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\n  \n 2021\n \n \n (21)\n \n \n
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\n \n\n \n \n \n \n \n \n Comprehensive identification of native medium-sized and short bioactive peptides in sea bass muscle.\n \n \n \n \n\n\n \n Cerrato, A.; Aita, S.; Cavaliere, C.; Laganà, A.; Montone, C.; Piovesana, S.; Zenezini Chiozzi, R.; and Capriotti, A.\n\n\n \n\n\n\n Food Chemistry, 343. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"ComprehensivePaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
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@ARTICLE{Cerrato2021,\nauthor={Cerrato, A. and Aita, S.E. and Cavaliere, C. and Laganà, A. and Montone, C.M. and Piovesana, S. and Zenezini Chiozzi, R. and Capriotti, A.L.},\ntitle={Comprehensive identification of native medium-sized and short bioactive peptides in sea bass muscle},\njournal={Food Chemistry},\nyear={2021},\nvolume={343},\ndoi={10.1016/j.foodchem.2020.128443},\nart_number={128443},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85094806393&doi=10.1016%2fj.foodchem.2020.128443&partnerID=40&md5=18e830d704b9bc6ea02a8c7dfbe6c423},\nabstract={Native peptides from sea bass muscle were analyzed by two different approaches: medium-sized peptides by peptidomics analysis, whereas short peptides by suspect screening analysis employing an inclusion list of exact m/z values of all possible amino acid combinations (from 2 up to 4). The method was also extended to common post-translational modifications potentially interesting in food analysis, as well as non-proteolytic aminoacyl derivatives, which are well-known taste-active building blocks in pseudo-peptides. The medium-sized peptides were identified by de novo and combination of de novo and spectra matching to a protein sequence database, with up to 4077 peptides (2725 modified) identified by database search and 2665 peptides (223 modified) identified by de novo only; 102 short peptide sequences were identified (with 12 modified ones), and most of them had multiple reported bioactivities. The method can be extended to any peptide mixture, either endogenous or by protein hydrolysis, from other food matrices. © 2020 Elsevier Ltd},\npublisher={Elsevier Ltd},\nissn={03088146},\ncoden={FOCHD},\npubmed_id={33129615},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Native peptides from sea bass muscle were analyzed by two different approaches: medium-sized peptides by peptidomics analysis, whereas short peptides by suspect screening analysis employing an inclusion list of exact m/z values of all possible amino acid combinations (from 2 up to 4). The method was also extended to common post-translational modifications potentially interesting in food analysis, as well as non-proteolytic aminoacyl derivatives, which are well-known taste-active building blocks in pseudo-peptides. The medium-sized peptides were identified by de novo and combination of de novo and spectra matching to a protein sequence database, with up to 4077 peptides (2725 modified) identified by database search and 2665 peptides (223 modified) identified by de novo only; 102 short peptide sequences were identified (with 12 modified ones), and most of them had multiple reported bioactivities. The method can be extended to any peptide mixture, either endogenous or by protein hydrolysis, from other food matrices. © 2020 Elsevier Ltd\n
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\n \n\n \n \n \n \n \n \n Combustion performance of a low NOx gas turbine combustor using urea addition into liquid fuel.\n \n \n \n \n\n\n \n Fontanarosa, D.; De Giorgi, M.; Ciccarella, G.; Pescini, E.; and Ficarella, A.\n\n\n \n\n\n\n Fuel, 288. 2021.\n cited By 1\n\n\n\n
\n\n\n\n \n \n \"CombustionPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Fontanarosa2021,\nauthor={Fontanarosa, D. and De Giorgi, M.G. and Ciccarella, G. and Pescini, E. and Ficarella, A.},\ntitle={Combustion performance of a low NOx gas turbine combustor using urea addition into liquid fuel},\njournal={Fuel},\nyear={2021},\nvolume={288},\ndoi={10.1016/j.fuel.2020.119701},\nart_number={119701},\nnote={cited By 1},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098678251&doi=10.1016%2fj.fuel.2020.119701&partnerID=40&md5=de4d72a22f3b3617dcef4924ba438663},\nabstract={The present work provides an experimental investigation on the effects of the urea addition in water emulsified fuels in terms of combustion performance and emissions. Experiments have been carried out using a test rig equipped with a 300-kW Jet-A1 fueled swirling burner operating under lean conditions. Different equivalence ratios and various urea in water percent concentrations have been tested. Measurements of temperature and emissions have been performed, in combination with high-speed flame imaging in visible and ultraviolet spectral ranges. Results have shown that the use of 2.5 wt% (percent concentration by weight) water-2 wt% urea solution into Jet-A1 fuel represents a promising combustion control strategy, since it leads to the same nitrogen oxides (NOx) reduction of a leaner neat fuel flame (about 30% less than the neat fuel case), but without significant penalty on the overall combustion performance, viz. combustion temperature, thermal and combustion efficiencies and pollutant emissions. The snapshot Proper Orthogonal Decomposition (POD) of the broadband flame emission images, methylidyne radical and hydroxyl radical chemiluminescence allowed to characterize of the flame dynamics and the flame stability. Differences between the flame regimes were also investigated by the POD mode 3 eigenstructure. The reduced flame stability for the leaner operating condition was confirmed by the energy increase of the first POD modes. The more unstable flame dynamics was confirmed by the frequency distribution of the phase points in the POD phase-space of modes 1 and 2 that highlighted a significant rise of the phase angles occurrence in the range [−π/6, π/6]. © 2020 Elsevier Ltd},\npublisher={Elsevier Ltd},\nissn={00162361},\ncoden={FUELA},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n The present work provides an experimental investigation on the effects of the urea addition in water emulsified fuels in terms of combustion performance and emissions. Experiments have been carried out using a test rig equipped with a 300-kW Jet-A1 fueled swirling burner operating under lean conditions. Different equivalence ratios and various urea in water percent concentrations have been tested. Measurements of temperature and emissions have been performed, in combination with high-speed flame imaging in visible and ultraviolet spectral ranges. Results have shown that the use of 2.5 wt% (percent concentration by weight) water-2 wt% urea solution into Jet-A1 fuel represents a promising combustion control strategy, since it leads to the same nitrogen oxides (NOx) reduction of a leaner neat fuel flame (about 30% less than the neat fuel case), but without significant penalty on the overall combustion performance, viz. combustion temperature, thermal and combustion efficiencies and pollutant emissions. The snapshot Proper Orthogonal Decomposition (POD) of the broadband flame emission images, methylidyne radical and hydroxyl radical chemiluminescence allowed to characterize of the flame dynamics and the flame stability. Differences between the flame regimes were also investigated by the POD mode 3 eigenstructure. The reduced flame stability for the leaner operating condition was confirmed by the energy increase of the first POD modes. The more unstable flame dynamics was confirmed by the frequency distribution of the phase points in the POD phase-space of modes 1 and 2 that highlighted a significant rise of the phase angles occurrence in the range [−π/6, π/6]. © 2020 Elsevier Ltd\n
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\n \n\n \n \n \n \n \n \n Insight into diffusive and convective processes affecting gold nanoparticles microclustering by multiphoton photoreduction.\n \n \n \n \n\n\n \n Ritacco, T.; Pagliusi, P.; and Giocondo, M.\n\n\n \n\n\n\n Colloids and Surfaces A: Physicochemical and Engineering Aspects, 610. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"InsightPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Ritacco2021,\nauthor={Ritacco, T. and Pagliusi, P. and Giocondo, M.},\ntitle={Insight into diffusive and convective processes affecting gold nanoparticles microclustering by multiphoton photoreduction},\njournal={Colloids and Surfaces A: Physicochemical and Engineering Aspects},\nyear={2021},\nvolume={610},\ndoi={10.1016/j.colsurfa.2020.125927},\nart_number={125927},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85097575169&doi=10.1016%2fj.colsurfa.2020.125927&partnerID=40&md5=025b8ef2e4ef23b5a3fbb9bbafa6018b},\nabstract={Multi-photon direct laser writing (MP-DLW) in polymeric matrices doped with a tetrachloroauric acid (HAuCl4) water solution allows creating clusters of gold nanoparticles (GNPs) inside the focus figure of a tightly focused ultrafast laser beam. The key physical phenomena involved in the process are analyzed, with the aim to assess the limits and potential of this promising technology. Multi Photon Absorption (MPA) triggers the photo-reduction of AuCl4– ions and the consequent creation of GNPs in the spotted volume. Thermal electronic decays lead to a local abrupt increase of the temperature, which influences the morphology of the created structures. At the same time, two different effects take place, related to the dehydration of the polymeric matrix, and the concentration gradient of the gold precursor upon localized photoreduction. Given their different timescales, these phenomena allow for controlling the GNPs density and size dispersity when a given energy dose is delivered in multiple exposures, tuning the delay between consecutive laser exposures. A simple yet effective experiment to estimate the temperature distribution at the micron-scale is also proposed. © 2020 Elsevier B.V.},\npublisher={Elsevier B.V.},\nissn={09277757},\ncoden={CPEAE},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
\n
\n\n\n
\n Multi-photon direct laser writing (MP-DLW) in polymeric matrices doped with a tetrachloroauric acid (HAuCl4) water solution allows creating clusters of gold nanoparticles (GNPs) inside the focus figure of a tightly focused ultrafast laser beam. The key physical phenomena involved in the process are analyzed, with the aim to assess the limits and potential of this promising technology. Multi Photon Absorption (MPA) triggers the photo-reduction of AuCl4– ions and the consequent creation of GNPs in the spotted volume. Thermal electronic decays lead to a local abrupt increase of the temperature, which influences the morphology of the created structures. At the same time, two different effects take place, related to the dehydration of the polymeric matrix, and the concentration gradient of the gold precursor upon localized photoreduction. Given their different timescales, these phenomena allow for controlling the GNPs density and size dispersity when a given energy dose is delivered in multiple exposures, tuning the delay between consecutive laser exposures. A simple yet effective experiment to estimate the temperature distribution at the micron-scale is also proposed. © 2020 Elsevier B.V.\n
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\n \n\n \n \n \n \n \n \n Algorithm-based spectrometer exploiting colloidal PbS quantum dots.\n \n \n \n \n\n\n \n Venettacci, C.; De Iacovo, A.; Giansante, C.; and Colace, L.\n\n\n \n\n\n\n Photonics and Nanostructures - Fundamentals and Applications, 43. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"Algorithm-basedPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Venettacci2021,\nauthor={Venettacci, C. and De Iacovo, A. and Giansante, C. and Colace, L.},\ntitle={Algorithm-based spectrometer exploiting colloidal PbS quantum dots},\njournal={Photonics and Nanostructures - Fundamentals and Applications},\nyear={2021},\nvolume={43},\ndoi={10.1016/j.photonics.2020.100861},\nart_number={100861},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85096189327&doi=10.1016%2fj.photonics.2020.100861&partnerID=40&md5=743681aeeec7c51fe52bc3179888f1fb},\nabstract={In this work we report on a light analysis system based on narrowband colloidal PbS quantum dot photodetectors. The proposed system is able to identify both the peak wavelength of a quasi-monochromatic radiation and the emission spectrum of an arbitrary light source, in the visible and near infrared spectral range, starting from photocurrent measurements of several photoconductive devices with different spectral responses. We demonstrate the feasibility of our approach, optimizing several system parameters and obtaining a mean error of 5 nm and a maximum resolution of 40 nm as regards the peak wavelength identification and the spectral reconstruction, respectively. © 2020 Elsevier B.V.},\npublisher={Elsevier B.V.},\nissn={15694410},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
\n
\n\n\n
\n In this work we report on a light analysis system based on narrowband colloidal PbS quantum dot photodetectors. The proposed system is able to identify both the peak wavelength of a quasi-monochromatic radiation and the emission spectrum of an arbitrary light source, in the visible and near infrared spectral range, starting from photocurrent measurements of several photoconductive devices with different spectral responses. We demonstrate the feasibility of our approach, optimizing several system parameters and obtaining a mean error of 5 nm and a maximum resolution of 40 nm as regards the peak wavelength identification and the spectral reconstruction, respectively. © 2020 Elsevier B.V.\n
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\n \n\n \n \n \n \n \n \n Hybrid perfluorocarbon/carboxylic acid thin films via plasma deposition of hexafluoropropene and acrylic acid mixtures.\n \n \n \n \n\n\n \n Bosso, P.; Milella, A.; Armenise, V.; Fanelli, F.; and Fracassi, F.\n\n\n \n\n\n\n Vacuum, 184. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"HybridPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Bosso2021,\nauthor={Bosso, P. and Milella, A. and Armenise, V. and Fanelli, F. and Fracassi, F.},\ntitle={Hybrid perfluorocarbon/carboxylic acid thin films via plasma deposition of hexafluoropropene and acrylic acid mixtures},\njournal={Vacuum},\nyear={2021},\nvolume={184},\ndoi={10.1016/j.vacuum.2020.109933},\nart_number={109933},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85096848808&doi=10.1016%2fj.vacuum.2020.109933&partnerID=40&md5=fe854991ca5aff1cf1b11c221a22b1c9},\nabstract={Polymeric films containing hydrophilic and hydrophobic functionalities are of interest for several applications, from biomaterials to fuel cells. In this study, we report on the plasma copolymerization of hexafluoropropene - acrylic acid mixtures. By finely tuning the monomers’ ratio and the plasma power, it is possible to adjust the relative amount of the hydrophilic and hydrophobic functionalities in the deposited films. Correspondingly, the wetting behavior can be tuned from fully hydrophilic to hydrophobic. Finally, depending on the process parameters, film proton conductivities in the range 20–70 mS cm−1 are obtained. © 2020 Elsevier Ltd},\npublisher={Elsevier Ltd},\nissn={0042207X},\ncoden={VACUA},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Polymeric films containing hydrophilic and hydrophobic functionalities are of interest for several applications, from biomaterials to fuel cells. In this study, we report on the plasma copolymerization of hexafluoropropene - acrylic acid mixtures. By finely tuning the monomers’ ratio and the plasma power, it is possible to adjust the relative amount of the hydrophilic and hydrophobic functionalities in the deposited films. Correspondingly, the wetting behavior can be tuned from fully hydrophilic to hydrophobic. Finally, depending on the process parameters, film proton conductivities in the range 20–70 mS cm−1 are obtained. © 2020 Elsevier Ltd\n
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\n \n\n \n \n \n \n \n \n Experimental data regarding the effects of urea addition into liquid fuel to combustion enhancement of a low NOx gas turbine combustor.\n \n \n \n \n\n\n \n De Giorgi, M.; Ciccarella, G.; Fontanarosa, D.; Pescini, E.; and Ficarella, A.\n\n\n \n\n\n\n Data in Brief, 34. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"ExperimentalPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{DeGiorgi2021,\nauthor={De Giorgi, M.G. and Ciccarella, G. and Fontanarosa, D. and Pescini, E. and Ficarella, A.},\ntitle={Experimental data regarding the effects of urea addition into liquid fuel to combustion enhancement of a low NOx gas turbine combustor},\njournal={Data in Brief},\nyear={2021},\nvolume={34},\ndoi={10.1016/j.dib.2020.106702},\nart_number={106702},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098709690&doi=10.1016%2fj.dib.2020.106702&partnerID=40&md5=c8ab54ecfe883b8608cd066610e89ccf},\nabstract={The article presents the data regarding the experimental characterization of combustion of liquid jet A1 with addition of urea-water emulsion. A liquid-fuel gas turbine derived burner operating in non-premixed mode under three different equivalence fuel/air ratios was used. The data were collected, with and without urea addition, with two high speed visualization systems which acquired the broadband and spatially and spectrally resolved chemiluminescence emissions. Chemiluminescence images of OH* were acquired using an intensified camera system with a narrow-band filter at approximately 310 nm CWL, while the chemiluminescence images of CH* were recorded with a 436 nm CWL. Measurements of exhaust temperature and NOx, CO and CO2 emissions have been also performed. The data presented here are related to the article entitled “COMBUSTION PERFORMANCE OF A LOW NOx GAS TURBINE COMBUSTOR USING UREA ADDITION INTO LIQUID FUEL” [1]. © 2020},\npublisher={Elsevier Inc.},\nissn={23523409},\ndocument_type={Data Paper},\nsource={Scopus},\n}\n\n
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\n The article presents the data regarding the experimental characterization of combustion of liquid jet A1 with addition of urea-water emulsion. A liquid-fuel gas turbine derived burner operating in non-premixed mode under three different equivalence fuel/air ratios was used. The data were collected, with and without urea addition, with two high speed visualization systems which acquired the broadband and spatially and spectrally resolved chemiluminescence emissions. Chemiluminescence images of OH* were acquired using an intensified camera system with a narrow-band filter at approximately 310 nm CWL, while the chemiluminescence images of CH* were recorded with a 436 nm CWL. Measurements of exhaust temperature and NOx, CO and CO2 emissions have been also performed. The data presented here are related to the article entitled “COMBUSTION PERFORMANCE OF A LOW NOx GAS TURBINE COMBUSTOR USING UREA ADDITION INTO LIQUID FUEL” [1]. © 2020\n
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\n \n\n \n \n \n \n \n \n The impact of charge carrier relaxation, electron trapping and oxygen p-doping on the photocurrent transients of a conjugated polymer probed by the Time of Flight method.\n \n \n \n \n\n\n \n Gambino, S.\n\n\n \n\n\n\n Thin Solid Films, 718. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"ThePaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Gambino2021,\nauthor={Gambino, S.},\ntitle={The impact of charge carrier relaxation, electron trapping and oxygen p-doping on the photocurrent transients of a conjugated polymer probed by the Time of Flight method},\njournal={Thin Solid Films},\nyear={2021},\nvolume={718},\ndoi={10.1016/j.tsf.2020.138485},\nart_number={138485},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098128255&doi=10.1016%2fj.tsf.2020.138485&partnerID=40&md5=ade7a9672f96f7442f641376a808a8cd},\nabstract={Most conjugated polymers have been considered so far to be primarily unipolar (hole or electron transporting) materials, even though there is no intrinsic reason why the mobility of holes and electrons should be different in organic semiconductors. We experimentally demonstrated by the Time of Flight method that a prototypical conjugated polymer, poly[2-methoxy-5-(2-ethylhexoxy)-1,4-p-phenylenevinylene], does not show any preference for the transport of electrons or holes, i.e. an ambipolar charge transport. Furthermore, the presence of traps and (unintentional) p-doping makes it difficult to address the intrinsic nature of the charge transport mechanism. However, by disentangling the dependence of the mobility from extrinsic factors, such as molecular oxygen, we were able to reveal a non-dispersive conduction for both holes and electrons. We also reveal a transition from trap-control to thermalization-control in the electrons’ charge transport mechanism. We used the Gaussian disorder model to analyze the experimental data, and we found that the positional disorder parameter is negligible for holes, and only the energetic disorder governs their charge transport, while the electrons’ conduction is governed by the interplay of both energetic and positional disorder. © 2020},\npublisher={Elsevier B.V.},\nissn={00406090},\ncoden={THSFA},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Most conjugated polymers have been considered so far to be primarily unipolar (hole or electron transporting) materials, even though there is no intrinsic reason why the mobility of holes and electrons should be different in organic semiconductors. We experimentally demonstrated by the Time of Flight method that a prototypical conjugated polymer, poly[2-methoxy-5-(2-ethylhexoxy)-1,4-p-phenylenevinylene], does not show any preference for the transport of electrons or holes, i.e. an ambipolar charge transport. Furthermore, the presence of traps and (unintentional) p-doping makes it difficult to address the intrinsic nature of the charge transport mechanism. However, by disentangling the dependence of the mobility from extrinsic factors, such as molecular oxygen, we were able to reveal a non-dispersive conduction for both holes and electrons. We also reveal a transition from trap-control to thermalization-control in the electrons’ charge transport mechanism. We used the Gaussian disorder model to analyze the experimental data, and we found that the positional disorder parameter is negligible for holes, and only the energetic disorder governs their charge transport, while the electrons’ conduction is governed by the interplay of both energetic and positional disorder. © 2020\n
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\n \n\n \n \n \n \n \n \n Pseudocapacitive behaviour in sol-gel derived electrochromic titania nanostructures.\n \n \n \n \n\n\n \n Giannuzzi, R.; Prontera, T.; Tobaldi, D.; Pugliese, M.; de Marco, L.; Carallo, S.; Gigli, G.; Pullar, R.; and Maiorano, V.\n\n\n \n\n\n\n Nanotechnology, 32(4). 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"PseudocapacitivePaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Giannuzzi2021,\nauthor={Giannuzzi, R. and Prontera, T. and Tobaldi, D.M. and Pugliese, M. and de Marco, L. and Carallo, S. and Gigli, G. and Pullar, R.C. and Maiorano, V.},\ntitle={Pseudocapacitive behaviour in sol-gel derived electrochromic titania nanostructures},\njournal={Nanotechnology},\nyear={2021},\nvolume={32},\nnumber={4},\ndoi={10.1088/1361-6528/abbceb},\nart_number={045703},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85095715631&doi=10.1088%2f1361-6528%2fabbceb&partnerID=40&md5=eb528eeae70354a298b05f432f82faa7},\nabstract={Nanostructured thin films are widely investigated for application in multifunctional devices thanks to their peculiar optoelectronic properties. In this work anatase TiO2 nanoparticles (average diameter 10 nm) synthesised by a green aqueous sol-gel route are exploited to fabricate optically active electrodes for pseudocapacitive-electrochromic devices. In our approach, highly transparent and homogeneous thin films having a good electronic coupling between nanoparticles are prepared. These electrodes present a spongy-like nanostructure in which the dimension of native nanoparticles is preserved, resulting in a huge surface area. Cyclic voltammetry studies reveal that there are significant contributions to the total stored charge from both intercalation capacitance and pseudocapacitance, with a remarkable 50% of the total charge deriving from this second effect. Fast and reversible colouration occurs, with an optical modulation of ∼60% in the range of 315–1660 nm, and a colouration efficiency of 25.1 cm2 C−1 at 550 nm. This combination of pseudocapacitance and electrochromism makes the sol-gel derived titania thin films promising candidates for multifunctional ‘smart windows’. © 2020 IOP Publishing Ltd Printed in the UK},\npublisher={IOP Publishing Ltd},\nissn={09574484},\ncoden={NNOTE},\npubmed_id={32998125},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Nanostructured thin films are widely investigated for application in multifunctional devices thanks to their peculiar optoelectronic properties. In this work anatase TiO2 nanoparticles (average diameter 10 nm) synthesised by a green aqueous sol-gel route are exploited to fabricate optically active electrodes for pseudocapacitive-electrochromic devices. In our approach, highly transparent and homogeneous thin films having a good electronic coupling between nanoparticles are prepared. These electrodes present a spongy-like nanostructure in which the dimension of native nanoparticles is preserved, resulting in a huge surface area. Cyclic voltammetry studies reveal that there are significant contributions to the total stored charge from both intercalation capacitance and pseudocapacitance, with a remarkable 50% of the total charge deriving from this second effect. Fast and reversible colouration occurs, with an optical modulation of ∼60% in the range of 315–1660 nm, and a colouration efficiency of 25.1 cm2 C−1 at 550 nm. This combination of pseudocapacitance and electrochromism makes the sol-gel derived titania thin films promising candidates for multifunctional ‘smart windows’. © 2020 IOP Publishing Ltd Printed in the UK\n
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\n \n\n \n \n \n \n \n \n Near-field enhancement in oxidized close gap aluminum dimers.\n \n \n \n \n\n\n \n Simeone, D.; Tasco, V.; Esposito, M.; Manoccio, M.; Lorenzo, D.; Scuderi, M.; Luca, A.; Cabrini, S.; Passaseo, A.; and Cuscunà, M.\n\n\n \n\n\n\n Nanotechnology, 32(2). 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"Near-fieldPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Simeone2021,\nauthor={Simeone, D. and Tasco, V. and Esposito, M. and Manoccio, M. and Lorenzo, D. and Scuderi, M. and Luca, A.D. and Cabrini, S. and Passaseo, A. and Cuscunà, M.},\ntitle={Near-field enhancement in oxidized close gap aluminum dimers},\njournal={Nanotechnology},\nyear={2021},\nvolume={32},\nnumber={2},\ndoi={10.1088/1361-6528/abba98},\nart_number={025305},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85094111707&doi=10.1088%2f1361-6528%2fabba98&partnerID=40&md5=5b51e7897c2ac002e1d799dc9b1cecf0},\nabstract={Aluminum bowtie nanoantennas represent a possibility to confine and enhance electromagnetic (EM) field at optical frequencies in subwavelength regions by using an abundant and inexpensive metal. The native oxidation process of this metal is often viewed as a limitation for its application in plasmonics. Here, we show that in close gap configurations, the high refractive index of the native aluminum oxide helps in squeezing the plasmonic mode in extremely reduced size volumes, providing a higher EM near-field confinement and enhancement in the bowtie antenna gaps than achieved in the pure aluminum counterpart. Hence, the study provides new perspectives in the use of such a plasmonic antenna geometry within this aluminum system, which can be useful for improving plasmonics-enabled effects such as surface-enhanced Raman scattering- and light-matter interaction in strong coupling regime. © 2020 IOP Publishing Ltd.},\npublisher={IOP Publishing Ltd},\nissn={09574484},\ncoden={NNOTE},\npubmed_id={33089826},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n\n\n
\n Aluminum bowtie nanoantennas represent a possibility to confine and enhance electromagnetic (EM) field at optical frequencies in subwavelength regions by using an abundant and inexpensive metal. The native oxidation process of this metal is often viewed as a limitation for its application in plasmonics. Here, we show that in close gap configurations, the high refractive index of the native aluminum oxide helps in squeezing the plasmonic mode in extremely reduced size volumes, providing a higher EM near-field confinement and enhancement in the bowtie antenna gaps than achieved in the pure aluminum counterpart. Hence, the study provides new perspectives in the use of such a plasmonic antenna geometry within this aluminum system, which can be useful for improving plasmonics-enabled effects such as surface-enhanced Raman scattering- and light-matter interaction in strong coupling regime. © 2020 IOP Publishing Ltd.\n
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\n \n\n \n \n \n \n \n \n Charge mobility in discotic liquid crystals.\n \n \n \n \n\n\n \n Termine, R.; and Golemme, A.\n\n\n \n\n\n\n International Journal of Molecular Sciences, 22(2): 1-51. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"ChargePaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Termine20211,\nauthor={Termine, R. and Golemme, A.},\ntitle={Charge mobility in discotic liquid crystals},\njournal={International Journal of Molecular Sciences},\nyear={2021},\nvolume={22},\nnumber={2},\npages={1-51},\ndoi={10.3390/ijms22020877},\nart_number={877},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099606174&doi=10.3390%2fijms22020877&partnerID=40&md5=57bc8fa68f59d1a261186616e54683be},\nabstract={Discotic (disk-shaped) molecules or molecular aggregates may form, within a certain temperature range, partially ordered phases, known as discotic liquid crystals, which have been extensively studied in the recent past. On the one hand, this interest was prompted by the fact that they represent models for testing energy and charge transport theories in organic materials. However, their long-range self-assembling properties, potential low cost, ease of processability with a variety of solvents and the relative ease of tailoring their properties via chemical synthesis, drove the attention of researchers also towards the exploitation of their semiconducting properties in organic electronic devices. This review covers recent research on the charge transport properties of discotic mesophases, starting with an introduction to their phase structure, followed by an overview of the models used to describe charge mobility in organic substances in general and in these systems in particular, and by the description of the techniques most commonly used to measure their charge mobility. The reader already familiar or not interested in such details can easily skip these sections and refer to the core section of this work, focusing on the most recent and significant results regarding charge mobility in discotic liquid crystals. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.},\npublisher={MDPI AG},\nissn={16616596},\ndocument_type={Review},\nsource={Scopus},\n}\n\n
\n
\n\n\n
\n Discotic (disk-shaped) molecules or molecular aggregates may form, within a certain temperature range, partially ordered phases, known as discotic liquid crystals, which have been extensively studied in the recent past. On the one hand, this interest was prompted by the fact that they represent models for testing energy and charge transport theories in organic materials. However, their long-range self-assembling properties, potential low cost, ease of processability with a variety of solvents and the relative ease of tailoring their properties via chemical synthesis, drove the attention of researchers also towards the exploitation of their semiconducting properties in organic electronic devices. This review covers recent research on the charge transport properties of discotic mesophases, starting with an introduction to their phase structure, followed by an overview of the models used to describe charge mobility in organic substances in general and in these systems in particular, and by the description of the techniques most commonly used to measure their charge mobility. The reader already familiar or not interested in such details can easily skip these sections and refer to the core section of this work, focusing on the most recent and significant results regarding charge mobility in discotic liquid crystals. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.\n
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\n \n\n \n \n \n \n \n \n Gallium chiral nanoshaping for circular polarization handling.\n \n \n \n \n\n\n \n Cuscuna, M.; Manoccio, M.; Esposito, M.; Scuderi, M.; Nicotra, G.; Tarantini, I.; Melcarne, A.; Tasco, V.; Losurdo, M.; and Passaseo, A.\n\n\n \n\n\n\n Materials Horizons, 8(1): 187-196. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"GalliumPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Cuscuna2021187,\nauthor={Cuscuna, M. and Manoccio, M. and Esposito, M. and Scuderi, M. and Nicotra, G. and Tarantini, I. and Melcarne, A. and Tasco, V. and Losurdo, M. and Passaseo, A.},\ntitle={Gallium chiral nanoshaping for circular polarization handling},\njournal={Materials Horizons},\nyear={2021},\nvolume={8},\nnumber={1},\npages={187-196},\ndoi={10.1039/d0mh01078b},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099560007&doi=10.1039%2fd0mh01078b&partnerID=40&md5=fe0c277ed511d7bca98e2d11dca612ac},\nabstract={In this work we report the local growth of ordered arrays of 3D core-shell chiral nanohelices based on plasmonic gallium metal. The structures can be engineered in a single step using focused ion beam induced deposition, where a Ga+ ion source is used to shape the metallic nanohelix core, while the dielectric precursor is dissociated to create dielectric shells. The solubility of gallium in the different investigated dielectric matrices controls the core-shell thickness ratio of the nanohelices. The chiral plasmonic behaviour of these gallium-based nanostructures is experimentally measured by circularly polarized light transmission through nanostructure arrays and compared with numerical simulations. Large chiroptical effects in the visible range are demonstrated due to the plasmonic effects arising from gallium nanoclusters in the core. © The Royal Society of Chemistry.},\npublisher={Royal Society of Chemistry},\nissn={20516347},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
\n
\n\n\n
\n In this work we report the local growth of ordered arrays of 3D core-shell chiral nanohelices based on plasmonic gallium metal. The structures can be engineered in a single step using focused ion beam induced deposition, where a Ga+ ion source is used to shape the metallic nanohelix core, while the dielectric precursor is dissociated to create dielectric shells. The solubility of gallium in the different investigated dielectric matrices controls the core-shell thickness ratio of the nanohelices. The chiral plasmonic behaviour of these gallium-based nanostructures is experimentally measured by circularly polarized light transmission through nanostructure arrays and compared with numerical simulations. Large chiroptical effects in the visible range are demonstrated due to the plasmonic effects arising from gallium nanoclusters in the core. © The Royal Society of Chemistry.\n
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\n \n\n \n \n \n \n \n \n Plasma-assisted deposition of iron oxide thin films for photoelectrochemical water splitting.\n \n \n \n \n\n\n \n Bosso, P.; Milella, A.; Barucca, G.; Mengucci, P.; Armenise, V.; Fanelli, F.; Giannuzzi, R.; Maiorano, V.; and Fracassi, F.\n\n\n \n\n\n\n Plasma Processes and Polymers, 18(1). 2021.\n cited By 1\n\n\n\n
\n\n\n\n \n \n \"Plasma-assistedPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Bosso2021,\nauthor={Bosso, P. and Milella, A. and Barucca, G. and Mengucci, P. and Armenise, V. and Fanelli, F. and Giannuzzi, R. and Maiorano, V. and Fracassi, F.},\ntitle={Plasma-assisted deposition of iron oxide thin films for photoelectrochemical water splitting},\njournal={Plasma Processes and Polymers},\nyear={2021},\nvolume={18},\nnumber={1},\ndoi={10.1002/ppap.202000121},\nart_number={2000121},\nnote={cited By 1},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85089312627&doi=10.1002%2fppap.202000121&partnerID=40&md5=8a4bc849b2917d7c416f052d3519aac1},\nabstract={Iron oxide thin films for photoelectrochemical (PEC) water splitting were deposited by radiofrequency sputtering of an iron target in argon/oxygen plasma mixtures, followed by thermal annealing. The chemical composition and structure of deposited film can be tuned by controlling the gas feed composition and the annealing temperature. The thermal treatment extensively improves the PEC water splitting performances of the films deposited at the lowest O2 percentages (0–1%), allowing to obtain photocurrent densities up to 1.20 mA/cm2 at 1.23 VRHE. Increasing the oxygen percentage in the plasma feed allows the direct growth of photoactive films; the best result is found for the hematite film produced at 50% O2, characterized by a photocurrent density of 0.21 at 1.23 VRHE. © 2020 Wiley-VCH GmbH},\npublisher={Wiley-VCH Verlag},\nissn={16128850},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Iron oxide thin films for photoelectrochemical (PEC) water splitting were deposited by radiofrequency sputtering of an iron target in argon/oxygen plasma mixtures, followed by thermal annealing. The chemical composition and structure of deposited film can be tuned by controlling the gas feed composition and the annealing temperature. The thermal treatment extensively improves the PEC water splitting performances of the films deposited at the lowest O2 percentages (0–1%), allowing to obtain photocurrent densities up to 1.20 mA/cm2 at 1.23 VRHE. Increasing the oxygen percentage in the plasma feed allows the direct growth of photoactive films; the best result is found for the hematite film produced at 50% O2, characterized by a photocurrent density of 0.21 at 1.23 VRHE. © 2020 Wiley-VCH GmbH\n
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\n \n\n \n \n \n \n \n \n Focused ion beam processing for 3d chiral photonics nanostructures.\n \n \n \n \n\n\n \n Manoccio, M.; Esposito, M.; Passaseo, A.; Cuscunà, M.; and Tasco, V.\n\n\n \n\n\n\n Micromachines, 12(1): 1-28. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"FocusedPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Manoccio20211,\nauthor={Manoccio, M. and Esposito, M. and Passaseo, A. and Cuscunà, M. and Tasco, V.},\ntitle={Focused ion beam processing for 3d chiral photonics nanostructures},\njournal={Micromachines},\nyear={2021},\nvolume={12},\nnumber={1},\npages={1-28},\ndoi={10.3390/mi12010006},\nart_number={6},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098736695&doi=10.3390%2fmi12010006&partnerID=40&md5=38d679bcc74f019127c1dad1d4f7a52c},\nabstract={The focused ion beam (FIB) is a powerful piece of technology which has enabled scientific and technological advances in the realization and study of micro-and nano-systems in many research areas, such as nanotechnology, material science, and the microelectronic industry. Recently, its applications have been extended to the photonics field, owing to the possibility of developing systems with complex shapes, including 3D chiral shapes. Indeed, micro-/nano-structured elements with precise geometrical features at the nanoscale can be realized by FIB processing, with sizes that can be tailored in order to tune optical responses over a broad spectral region. In this review, we give an overview of recent efforts in this field which have involved FIB processing as a nanofabrication tool for photonics applications. In particular, we focus on FIB-induced deposition and FIB milling, employed to build 3D nanostructures and metasurfaces exhibiting intrinsic chirality. We describe the fabrication strategies present in the literature and the chiro-optical behavior of the developed structures. The achieved results pave the way for the creation of novel and advanced nanophotonic devices for many fields of application, ranging from polarization control to integration in photonic circuits to subwavelength imaging. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.},\npublisher={MDPI AG},\nissn={2072666X},\ndocument_type={Review},\nsource={Scopus},\n}\n\n
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\n The focused ion beam (FIB) is a powerful piece of technology which has enabled scientific and technological advances in the realization and study of micro-and nano-systems in many research areas, such as nanotechnology, material science, and the microelectronic industry. Recently, its applications have been extended to the photonics field, owing to the possibility of developing systems with complex shapes, including 3D chiral shapes. Indeed, micro-/nano-structured elements with precise geometrical features at the nanoscale can be realized by FIB processing, with sizes that can be tailored in order to tune optical responses over a broad spectral region. In this review, we give an overview of recent efforts in this field which have involved FIB processing as a nanofabrication tool for photonics applications. In particular, we focus on FIB-induced deposition and FIB milling, employed to build 3D nanostructures and metasurfaces exhibiting intrinsic chirality. We describe the fabrication strategies present in the literature and the chiro-optical behavior of the developed structures. The achieved results pave the way for the creation of novel and advanced nanophotonic devices for many fields of application, ranging from polarization control to integration in photonic circuits to subwavelength imaging. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.\n
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\n \n\n \n \n \n \n \n \n Induced Chiral Chromonics Confined in Micrometric Droplets.\n \n \n \n \n\n\n \n Pellegrino, C.; De Santo, M.; Spina, L.; and Ciuchi, F.\n\n\n \n\n\n\n Advanced Functional Materials. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"InducedPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Pellegrino2021,\nauthor={Pellegrino, C. and De Santo, M.P. and Spina, L. and Ciuchi, F.},\ntitle={Induced Chiral Chromonics Confined in Micrometric Droplets},\njournal={Advanced Functional Materials},\nyear={2021},\ndoi={10.1002/adfm.202010394},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099045285&doi=10.1002%2fadfm.202010394&partnerID=40&md5=9b213051751aff97c354c71259785c21},\nabstract={Chirality emergence in biological systems is common but the chiral expression from the molecular to macroscopic level in water-based systems is poorly understood. Among water-based systems, chromonic liquid crystals have recently received a lot of attention due to the spontaneous chirality they show when confined in curved geometries. Confinement of chiral-induced chromonics is not trivial since they are three component systems whose time stability is a delicate thermodynamic balance. In this work, a well-defined periodic Frank–Pryce texture, typical of chiral thermotropic liquid crystals, is observed in microspheres of a chiral induced chromonic embedded in a poly(dimethylsiloxane) matrix. This texture slowly degrades in time and a possible mechanism behind the degradation process is suggested via X-ray diffraction and atomic force microscopy measurements on thin chromonic films. To stabilize this texture and to control the structure periodicity, cations are added to the three components system in an attempt to tune the non-covalent interactions between molecules and supramolecular stacks. The study of the effects of this addition allows for better insight into the molecular interactions that occur in the chiral induced mesophase. This is a crucial point in view of possible biocompatible technological applications. © 2020 Wiley-VCH GmbH},\npublisher={Wiley-VCH Verlag},\nissn={1616301X},\ncoden={AFMDC},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Chirality emergence in biological systems is common but the chiral expression from the molecular to macroscopic level in water-based systems is poorly understood. Among water-based systems, chromonic liquid crystals have recently received a lot of attention due to the spontaneous chirality they show when confined in curved geometries. Confinement of chiral-induced chromonics is not trivial since they are three component systems whose time stability is a delicate thermodynamic balance. In this work, a well-defined periodic Frank–Pryce texture, typical of chiral thermotropic liquid crystals, is observed in microspheres of a chiral induced chromonic embedded in a poly(dimethylsiloxane) matrix. This texture slowly degrades in time and a possible mechanism behind the degradation process is suggested via X-ray diffraction and atomic force microscopy measurements on thin chromonic films. To stabilize this texture and to control the structure periodicity, cations are added to the three components system in an attempt to tune the non-covalent interactions between molecules and supramolecular stacks. The study of the effects of this addition allows for better insight into the molecular interactions that occur in the chiral induced mesophase. This is a crucial point in view of possible biocompatible technological applications. © 2020 Wiley-VCH GmbH\n
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\n \n\n \n \n \n \n \n \n Novel therapeutic delivery of nanocurcumin in central nervous system related disorders.\n \n \n \n \n\n\n \n Panzarini, E.; Mariano, S.; Tacconi, S.; Carata, E.; Tata, A.; and Dini, L.\n\n\n \n\n\n\n Nanomaterials, 11(1): 1-30. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"NovelPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Panzarini20211,\nauthor={Panzarini, E. and Mariano, S. and Tacconi, S. and Carata, E. and Tata, A.M. and Dini, L.},\ntitle={Novel therapeutic delivery of nanocurcumin in central nervous system related disorders},\njournal={Nanomaterials},\nyear={2021},\nvolume={11},\nnumber={1},\npages={1-30},\ndoi={10.3390/nano11010002},\nart_number={2},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098529573&doi=10.3390%2fnano11010002&partnerID=40&md5=6471f94ca746bfdc22bbb2789245c7a0},\nabstract={Nutraceuticals represent complementary or alternative beneficial products to the expensive and high-tech therapeutic tools in modern medicine. Nowadays, their medical or health benefits in preventing or treating different types of diseases is widely accepted, due to fewer side effects than synthetic drugs, improved bioavailability and long half-life. Among herbal and natural compounds, curcumin is a very attractive herbal supplement considering its multipurpose propertiesThe potential effects of curcumin on glia cells and its therapeutic and protective properties in central nervous system (CNS)-related disorders is relevant. However, curcumin is unstable and easily degraded or metabolized into other forms posing limits to its clinical development. This is particularly important in brain pathologies determined blood brain barrier (BBB) obstacle. To enhance the stability and bioavailability of curcumin, many studies focused on the design and development of curcumin nanodelivery systems (nanoparticles, micelles, dendrimers, and diverse nanocarriers)These nanoconstructs can increase curcumin stability, solubility, in vivo uptake, bioactivity and safetyRecently, several studies have reported on a curcumin exosome-based delivery system, showing great therapeutical potential. The present work aims to review the current available data in improving bioactivity of curcumin in treatment or prevention of neurological disorders. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.},\npublisher={MDPI AG},\nissn={20794991},\ndocument_type={Review},\nsource={Scopus},\n}\n\n
\n
\n\n\n
\n Nutraceuticals represent complementary or alternative beneficial products to the expensive and high-tech therapeutic tools in modern medicine. Nowadays, their medical or health benefits in preventing or treating different types of diseases is widely accepted, due to fewer side effects than synthetic drugs, improved bioavailability and long half-life. Among herbal and natural compounds, curcumin is a very attractive herbal supplement considering its multipurpose propertiesThe potential effects of curcumin on glia cells and its therapeutic and protective properties in central nervous system (CNS)-related disorders is relevant. However, curcumin is unstable and easily degraded or metabolized into other forms posing limits to its clinical development. This is particularly important in brain pathologies determined blood brain barrier (BBB) obstacle. To enhance the stability and bioavailability of curcumin, many studies focused on the design and development of curcumin nanodelivery systems (nanoparticles, micelles, dendrimers, and diverse nanocarriers)These nanoconstructs can increase curcumin stability, solubility, in vivo uptake, bioactivity and safetyRecently, several studies have reported on a curcumin exosome-based delivery system, showing great therapeutical potential. The present work aims to review the current available data in improving bioactivity of curcumin in treatment or prevention of neurological disorders. © 2020 by the authors. Licensee MDPI, Basel, Switzerland.\n
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\n \n\n \n \n \n \n \n \n Anacardic Acid: A Promising Building Block for the Sustainable Preparation of Vesicular Nanosystems.\n \n \n \n \n\n\n \n Bloise, E.; Di Bello, M.; Carbone, L.; Mazzetto, S.; and Mele, G.\n\n\n \n\n\n\n Waste and Biomass Valorization. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"AnacardicPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
\n
@ARTICLE{Bloise2021,\nauthor={Bloise, E. and Di Bello, M.P. and Carbone, L. and Mazzetto, S.E. and Mele, G.},\ntitle={Anacardic Acid: A Promising Building Block for the Sustainable Preparation of Vesicular Nanosystems},\njournal={Waste and Biomass Valorization},\nyear={2021},\ndoi={10.1007/s12649-020-01320-x},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85098748956&doi=10.1007%2fs12649-020-01320-x&partnerID=40&md5=3ebf9dde4c34831e037ba994ead642ca},\nabstract={Abstract: Anacardic acid is a renewable product extracted, under mild conditions, from the cashew nuts. Its importance is growing with time thanks to various high-value biotechnological applications. In this research, anacardic acid has been used both in pristine form, and as the main component combined with cholesterol, to prepare three different nanoformulations through an environmentally friendly procedure. Physicochemical characterization shown stable and well-shaped spherical nanomorphologies with a mean diameter of about 220 nm. Stability studies in aqueous solution involving different anacardic acid-based formulations at different temperatures allowed to find the optimal combinations for obtaining vesicular nanosystems, the composition of which remains unchanged up to 28 days. These results are promising to refine the development of potential bioactive nanocarriers to be applied in the biomedical and pharmaceutical fields. Graphic Abstract: [Figure not available: see fulltext.]. © 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature.},\npublisher={Springer Science and Business Media B.V.},\nissn={18772641},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Abstract: Anacardic acid is a renewable product extracted, under mild conditions, from the cashew nuts. Its importance is growing with time thanks to various high-value biotechnological applications. In this research, anacardic acid has been used both in pristine form, and as the main component combined with cholesterol, to prepare three different nanoformulations through an environmentally friendly procedure. Physicochemical characterization shown stable and well-shaped spherical nanomorphologies with a mean diameter of about 220 nm. Stability studies in aqueous solution involving different anacardic acid-based formulations at different temperatures allowed to find the optimal combinations for obtaining vesicular nanosystems, the composition of which remains unchanged up to 28 days. These results are promising to refine the development of potential bioactive nanocarriers to be applied in the biomedical and pharmaceutical fields. Graphic Abstract: [Figure not available: see fulltext.]. © 2021, The Author(s), under exclusive licence to Springer Nature B.V. part of Springer Nature.\n
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\n \n\n \n \n \n \n \n \n Aging of Self-Assembled Lead Halide Perovskite Nanocrystal Superlattices: Effects on Photoluminescence and Energy Transfer.\n \n \n \n \n\n\n \n Baranov, D.; Fieramosca, A.; Yang, R.; Polimeno, L.; Lerario, G.; Toso, S.; Giansante, C.; Giorgi, M.; Tan, L.; Sanvitto, D.; and Manna, L.\n\n\n \n\n\n\n ACS Nano. 2021.\n cited By 1\n\n\n\n
\n\n\n\n \n \n \"AgingPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
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@ARTICLE{Baranov2021,\nauthor={Baranov, D. and Fieramosca, A. and Yang, R.X. and Polimeno, L. and Lerario, G. and Toso, S. and Giansante, C. and Giorgi, M.D. and Tan, L.Z. and Sanvitto, D. and Manna, L.},\ntitle={Aging of Self-Assembled Lead Halide Perovskite Nanocrystal Superlattices: Effects on Photoluminescence and Energy Transfer},\njournal={ACS Nano},\nyear={2021},\ndoi={10.1021/acsnano.0c06595},\nnote={cited By 1},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099041613&doi=10.1021%2facsnano.0c06595&partnerID=40&md5=aa95475860128cbce748ab208c803a32},\nabstract={Excitonic coupling, electronic coupling, and cooperative interactions in self-assembled lead halide perovskite nanocrystals were reported to give rise to a red-shifted collective emission peak with accelerated dynamics. Here we report that similar spectroscopic features could appear as a result of the nanocrystal reactivity within the self-assembled superlattices. This is demonstrated by studying CsPbBr3 nanocrystal superlattices over time with room-temperature and cryogenic micro-photoluminescence spectroscopy, X-ray diffraction, and electron microscopy. It is shown that a gradual contraction of the superlattices and subsequent coalescence of the nanocrystals occurs over several days of keeping such structures under vacuum. As a result, a narrow, low-energy emission peak is observed at 4 K with a concomitant shortening of the photoluminescence lifetime due to the energy transfer between nanocrystals. When exposed to air, self-assembled CsPbBr3 nanocrystals develop bulk-like CsPbBr3 particles on top of the superlattices. At 4 K, these particles produce a distribution of narrow, low-energy emission peaks with short lifetimes and excitation fluence-dependent, oscillatory decays. Overall, the aging of CsPbBr3 nanocrystal assemblies dramatically alters their emission properties and that should not be overlooked when studying collective optoelectronic phenomena nor confused with superfluorescence effects. © 2020 American Chemical Society. All rights reserved.},\npublisher={American Chemical Society},\nissn={19360851},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Excitonic coupling, electronic coupling, and cooperative interactions in self-assembled lead halide perovskite nanocrystals were reported to give rise to a red-shifted collective emission peak with accelerated dynamics. Here we report that similar spectroscopic features could appear as a result of the nanocrystal reactivity within the self-assembled superlattices. This is demonstrated by studying CsPbBr3 nanocrystal superlattices over time with room-temperature and cryogenic micro-photoluminescence spectroscopy, X-ray diffraction, and electron microscopy. It is shown that a gradual contraction of the superlattices and subsequent coalescence of the nanocrystals occurs over several days of keeping such structures under vacuum. As a result, a narrow, low-energy emission peak is observed at 4 K with a concomitant shortening of the photoluminescence lifetime due to the energy transfer between nanocrystals. When exposed to air, self-assembled CsPbBr3 nanocrystals develop bulk-like CsPbBr3 particles on top of the superlattices. At 4 K, these particles produce a distribution of narrow, low-energy emission peaks with short lifetimes and excitation fluence-dependent, oscillatory decays. Overall, the aging of CsPbBr3 nanocrystal assemblies dramatically alters their emission properties and that should not be overlooked when studying collective optoelectronic phenomena nor confused with superfluorescence effects. © 2020 American Chemical Society. All rights reserved.\n
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\n \n\n \n \n \n \n \n \n Sterilization of Semiconductive Nanomaterials: The Case of Water-Suspended Poly-3-Hexylthiophene Nanoparticles.\n \n \n \n \n\n\n \n Monti, F.; Manfredi, G.; Palamà, I.; Kovtun, A.; Zangoli, M.; D'Amone, S.; Ortolani, L.; Bondelli, G.; Szreder, T.; Bobrowski, K.; D'Angelantonio, M.; Lanzani, G.; and Di Maria, F.\n\n\n \n\n\n\n Advanced Healthcare Materials. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"SterilizationPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
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@ARTICLE{Monti2021,\nauthor={Monti, F. and Manfredi, G. and Palamà, I.E. and Kovtun, A. and Zangoli, M. and D'Amone, S. and Ortolani, L. and Bondelli, G. and Szreder, T. and Bobrowski, K. and D'Angelantonio, M. and Lanzani, G. and Di Maria, F.},\ntitle={Sterilization of Semiconductive Nanomaterials: The Case of Water-Suspended Poly-3-Hexylthiophene Nanoparticles},\njournal={Advanced Healthcare Materials},\nyear={2021},\ndoi={10.1002/adhm.202001306},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099388297&doi=10.1002%2fadhm.202001306&partnerID=40&md5=de2a8ba9b420fa8835f8c6bdcc9e1d4f},\nabstract={In this work, the feasibility of sterilizing a water suspension of poly-3-hexylthiophene nanoparticles (P3HT-NPs) is investigated using ionizing radiation, either γ-rays or high-energy electrons (e-beam). It is found that regardless of the irradiation source, the size, polydispersity, aggregation stability, and morphology of the NPs are not affected by the treatment. Furthermore, the impact of ionizing radiation on the physicochemical properties of NPs at different absorbed radiation doses (10–25 kGy) and dose rates (kGy time−1) is evaluated through different spectroscopic techniques. The results indicate that delivering a high dose of radiations (25 kGy) at a high dose rate, that is, kGy s−1, as achieved by e-beam irradiation, preserves the characteristics of the polymeric NPs. Differently, the same radiation dose but delivered at a lower dose rate, that is, kGy h−1, as attained by using a γ-source, can modify the physicochemical properties of the polymer. Sterility tests indicate that an absorbed dose of 10 kGy, delivered either with γ-rays or e-beam, is already sufficient for effective sterilization of the colloidal suspension and for reducing the endotoxin content. Finally, NPs irradiated at different doses, exhibit the same cytocompatibility and cell internalization characteristics in human neuroblastoma SH-SY5Y cells of NPs prepared under aseptic conditions. © 2021 Wiley-VCH GmbH},\npublisher={Wiley-VCH Verlag},\nissn={21922640},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n In this work, the feasibility of sterilizing a water suspension of poly-3-hexylthiophene nanoparticles (P3HT-NPs) is investigated using ionizing radiation, either γ-rays or high-energy electrons (e-beam). It is found that regardless of the irradiation source, the size, polydispersity, aggregation stability, and morphology of the NPs are not affected by the treatment. Furthermore, the impact of ionizing radiation on the physicochemical properties of NPs at different absorbed radiation doses (10–25 kGy) and dose rates (kGy time−1) is evaluated through different spectroscopic techniques. The results indicate that delivering a high dose of radiations (25 kGy) at a high dose rate, that is, kGy s−1, as achieved by e-beam irradiation, preserves the characteristics of the polymeric NPs. Differently, the same radiation dose but delivered at a lower dose rate, that is, kGy h−1, as attained by using a γ-source, can modify the physicochemical properties of the polymer. Sterility tests indicate that an absorbed dose of 10 kGy, delivered either with γ-rays or e-beam, is already sufficient for effective sterilization of the colloidal suspension and for reducing the endotoxin content. Finally, NPs irradiated at different doses, exhibit the same cytocompatibility and cell internalization characteristics in human neuroblastoma SH-SY5Y cells of NPs prepared under aseptic conditions. © 2021 Wiley-VCH GmbH\n
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\n \n\n \n \n \n \n \n \n Hplc-hrms global metabolomics approach for the diagnosis of “olive quick decline syndrome” markers in olive trees leaves.\n \n \n \n \n\n\n \n Asteggiano, A.; Franceschi, P.; Zorzi, M.; Aigotti, R.; Bello, F.; Baldassarre, F.; Lops, F.; Carlucci, A.; Medana, C.; and Ciccarella, G.\n\n\n \n\n\n\n Metabolites, 11(1): 1-15. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"Hplc-hrmsPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
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@ARTICLE{Asteggiano20211,\nauthor={Asteggiano, A. and Franceschi, P. and Zorzi, M. and Aigotti, R. and Bello, F.D. and Baldassarre, F. and Lops, F. and Carlucci, A. and Medana, C. and Ciccarella, G.},\ntitle={Hplc-hrms global metabolomics approach for the diagnosis of “olive quick decline syndrome” markers in olive trees leaves},\njournal={Metabolites},\nyear={2021},\nvolume={11},\nnumber={1},\npages={1-15},\ndoi={10.3390/metabo11010040},\nart_number={40},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099409881&doi=10.3390%2fmetabo11010040&partnerID=40&md5=50f64550c628a286836722a81835e27e},\nabstract={Olive quick decline syndrome (OQDS) is a multifactorial disease affecting olive plants. The onset of this economically devastating disease has been associated with a Gram-negative plant pathogen called Xylella fastidiosa (Xf). Liquid chromatography separation coupled to high-resolution mass spectrometry detection is one the most widely applied technologies in metabolomics, as it provides a blend of rapid, sensitive, and selective qualitative and quantitative analyses with the ability to identify metabolites. The purpose of this work is the development of a global metabolomics mass spectrometry assay able to identify OQDS molecular markers that could discriminate between healthy (HP) and infected (OP) olive tree leaves. Results obtained via multivariate analysis through an HPLC-ESI HRMS platform (LTQ-Orbitrap from Thermo Scientific) show a clear separation between HP and OP samples. Among the differentially expressed metabolites, 18 different organic compounds highly expressed in the OP group were annotated; results obtained by this metabolomic approach could be used as a fast and reliable method for the biochemical characterization of OQDS and to develop targeted MS approaches for OQDS detection by foliage analysis. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.},\npublisher={MDPI AG},\nissn={22181989},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Olive quick decline syndrome (OQDS) is a multifactorial disease affecting olive plants. The onset of this economically devastating disease has been associated with a Gram-negative plant pathogen called Xylella fastidiosa (Xf). Liquid chromatography separation coupled to high-resolution mass spectrometry detection is one the most widely applied technologies in metabolomics, as it provides a blend of rapid, sensitive, and selective qualitative and quantitative analyses with the ability to identify metabolites. The purpose of this work is the development of a global metabolomics mass spectrometry assay able to identify OQDS molecular markers that could discriminate between healthy (HP) and infected (OP) olive tree leaves. Results obtained via multivariate analysis through an HPLC-ESI HRMS platform (LTQ-Orbitrap from Thermo Scientific) show a clear separation between HP and OP samples. Among the differentially expressed metabolites, 18 different organic compounds highly expressed in the OP group were annotated; results obtained by this metabolomic approach could be used as a fast and reliable method for the biochemical characterization of OQDS and to develop targeted MS approaches for OQDS detection by foliage analysis. © 2021 by the authors. Licensee MDPI, Basel, Switzerland.\n
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\n \n\n \n \n \n \n \n \n Improved backscattering detection in photonic force microscopy near dielectric surfaces with cylindrical vector beams.\n \n \n \n \n\n\n \n Donato, M.; Patti, F.; Saija, R.; Iatì, M.; Gucciardi, P.; Pedaci, F.; Strangi, G.; and Maragò, O.\n\n\n \n\n\n\n Journal of Quantitative Spectroscopy and Radiative Transfer, 258. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"ImprovedPaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
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@ARTICLE{Donato2021,\nauthor={Donato, M.G. and Patti, F. and Saija, R. and Iatì, M.A. and Gucciardi, P.G. and Pedaci, F. and Strangi, G. and Maragò, O.M.},\ntitle={Improved backscattering detection in photonic force microscopy near dielectric surfaces with cylindrical vector beams},\njournal={Journal of Quantitative Spectroscopy and Radiative Transfer},\nyear={2021},\nvolume={258},\ndoi={10.1016/j.jqsrt.2020.107381},\nart_number={107381},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85092723499&doi=10.1016%2fj.jqsrt.2020.107381&partnerID=40&md5=d19a14f1686e47137334a5fb77335ab2},\nabstract={Cylindrical vector beams are used to improve back scattering detection in photonic force microscopy measurements near a dielectric surface. We compare back focal plane interferometry signals acquired on a quadrant photodiode when optical trapping a latex microparticle with gaussian, radial, and azimuthal beams. We find a consistent reduction of the interference pattern generated by the superposition of light backscattered by the trapped particle and backreflected by the dielectric surface. We contrast experimental findings with a model based on light scattering theory in the T - matrix formalism. © 2020 Elsevier Ltd},\npublisher={Elsevier Ltd},\nissn={00224073},\ndocument_type={Article},\nsource={Scopus},\n}\n\n
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\n Cylindrical vector beams are used to improve back scattering detection in photonic force microscopy measurements near a dielectric surface. We compare back focal plane interferometry signals acquired on a quadrant photodiode when optical trapping a latex microparticle with gaussian, radial, and azimuthal beams. We find a consistent reduction of the interference pattern generated by the superposition of light backscattered by the trapped particle and backreflected by the dielectric surface. We contrast experimental findings with a model based on light scattering theory in the T - matrix formalism. © 2020 Elsevier Ltd\n
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\n \n\n \n \n \n \n \n \n A reconstructive proposal of diocletian's baths for the 5g experimentation in Rome.\n \n \n \n \n\n\n \n Gabellone, F.\n\n\n \n\n\n\n Archeologia e Calcolatori,189-198. 2021.\n cited By 0\n\n\n\n
\n\n\n\n \n \n \"APaper\n  \n \n\n \n \n doi\n  \n \n\n \n link\n  \n \n\n bibtex\n \n\n \n  \n \n abstract \n \n\n \n\n \n \n \n \n \n \n \n\n  \n \n \n\n\n\n
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@ARTICLE{Gabellone2021189,\nauthor={Gabellone, F.},\ntitle={A reconstructive proposal of diocletian's baths for the 5g experimentation in Rome},\njournal={Archeologia e Calcolatori},\nyear={2021},\npages={189-198},\ndoi={10.19282/ac.31.2.2020.18},\nnote={cited By 0},\nurl={https://www.scopus.com/inward/record.uri?eid=2-s2.0-85099405132&doi=10.19282%2fac.31.2.2020.18&partnerID=40&md5=7078e26a0843d6b03e548ee1dc6a4cc1},\nabstract={The 5G is the fifth generation of networks. It will officially arrive from 2020 to connect millions of devices all over the world with high speed and low latency, to enable advanced projects based on smart technologies, Internet of Things, smart cities and a new generation of smart houses. The use of this new high-speed connection will positively involve, in the near future, the virtual enjoyment of cultural heritage, allowing to offer new and more powerful solutions, especially in the field of immersive VR/AR visualization. On these premises we have carried out a project that aims to virtualize some spaces within the Diocletian Baths through innovative, immersive, emotional and persuasive solutions. The results are based on simple panoramas and 360° VR videos. However, they are enhanced with the stereoscopic vision and, above all, the animation of the scene, thus increasing the “sense of presence” of the user. The immersive visit within ancient spaces is populated with life, human figures and elements that increase the spatiality of reconstruction (sense of scale, presence, verisimilitude). © 2020 Consiglio Nazionale delle Ricerche. All rights reserved.},\npublisher={Consiglio Nazionale delle Ricerche},\nissn={11206861},\ndocument_type={Review},\nsource={Scopus},\n}\n
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\n The 5G is the fifth generation of networks. It will officially arrive from 2020 to connect millions of devices all over the world with high speed and low latency, to enable advanced projects based on smart technologies, Internet of Things, smart cities and a new generation of smart houses. The use of this new high-speed connection will positively involve, in the near future, the virtual enjoyment of cultural heritage, allowing to offer new and more powerful solutions, especially in the field of immersive VR/AR visualization. On these premises we have carried out a project that aims to virtualize some spaces within the Diocletian Baths through innovative, immersive, emotional and persuasive solutions. The results are based on simple panoramas and 360° VR videos. However, they are enhanced with the stereoscopic vision and, above all, the animation of the scene, thus increasing the “sense of presence” of the user. The immersive visit within ancient spaces is populated with life, human figures and elements that increase the spatiality of reconstruction (sense of scale, presence, verisimilitude). © 2020 Consiglio Nazionale delle Ricerche. All rights reserved.\n
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