Quantitative Comparison of Photothermal Heat Generation between Gold Nanospheres and Nanorods. Qin, Z., Wang, Y., Randrianalisoa, J., Raeesi, V., Chan, W. C. W., Lipiński, W., & Bischof, J. C. Sci Rep, 6(1):29836, July, 2016. Bandiera_abtest: a Cc_license_type: cc_by Cg_type: Nature Research Journals Number: 1 Primary_atype: Research Publisher: Nature Publishing Group Subject_term: Mechanical engineering;Nanoscience and technology Subject_term_id: mechanical-engineering;nanoscience-and-technology![Quantitative Comparison of Photothermal Heat Generation between Gold Nanospheres and Nanorods [link]](https://bibbase.org/img/filetypes/link.svg "link")
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Paper doi abstract bibtex Gold nanoparticles (GNPs) are widely used for biomedical applications due to unique optical properties, established synthesis methods, and biological compatibility. Despite important applications of plasmonic heating in thermal therapy, imaging, and diagnostics, the lack of quantification in heat generation leads to difficulties in comparing the heating capability for new plasmonic nanostructures and predicting the therapeutic and diagnostic outcome. This study quantifies GNP heat generation by experimental measurements and theoretical predictions for gold nanospheres (GNS) and nanorods (GNR). Interestingly, the results show a GNP-type dependent agreement between experiment and theory. The measured heat generation of GNS matches well with theory, while the measured heat generation of GNR is only 30% of that predicted theoretically at peak absorption. This then leads to a surprising finding that the polydispersity, the deviation of nanoparticle size and shape from nominal value, significantly influences GNR heat generation (\textgreater70% reduction), while having a limited effect for GNS (\textless10% change). This work demonstrates that polydispersity is an important metric in quantitatively predicting plasmonic heat generation and provides a validated framework to quantitatively compare the heating capabilities between gold and other plasmonic nanostructures.
@article{qin_quantitative_2016,
title = {Quantitative {Comparison} of {Photothermal} {Heat} {Generation} between {Gold} {Nanospheres} and {Nanorods}},
volume = {6},
copyright = {2016 The Author(s)},
issn = {2045-2322},
url = {https://www.nature.com/articles/srep29836},
doi = {10.1038/srep29836},
abstract = {Gold nanoparticles (GNPs) are widely used for biomedical applications due to unique optical properties, established synthesis methods, and biological compatibility. Despite important applications of plasmonic heating in thermal therapy, imaging, and diagnostics, the lack of quantification in heat generation leads to difficulties in comparing the heating capability for new plasmonic nanostructures and predicting the therapeutic and diagnostic outcome. This study quantifies GNP heat generation by experimental measurements and theoretical predictions for gold nanospheres (GNS) and nanorods (GNR). Interestingly, the results show a GNP-type dependent agreement between experiment and theory. The measured heat generation of GNS matches well with theory, while the measured heat generation of GNR is only 30\% of that predicted theoretically at peak absorption. This then leads to a surprising finding that the polydispersity, the deviation of nanoparticle size and shape from nominal value, significantly influences GNR heat generation ({\textgreater}70\% reduction), while having a limited effect for GNS ({\textless}10\% change). This work demonstrates that polydispersity is an important metric in quantitatively predicting plasmonic heat generation and provides a validated framework to quantitatively compare the heating capabilities between gold and other plasmonic nanostructures.},
language = {en},
number = {1},
urldate = {2021-11-06},
journal = {Sci Rep},
author = {Qin, Zhenpeng and Wang, Yiru and Randrianalisoa, Jaona and Raeesi, Vahid and Chan, Warren C. W. and Lipiński, Wojciech and Bischof, John C.},
month = jul,
year = {2016},
note = {Bandiera\_abtest: a
Cc\_license\_type: cc\_by
Cg\_type: Nature Research Journals
Number: 1
Primary\_atype: Research
Publisher: Nature Publishing Group
Subject\_term: Mechanical engineering;Nanoscience and technology
Subject\_term\_id: mechanical-engineering;nanoscience-and-technology},
keywords = {Mechanical engineering, Nanoscience and technology},
pages = {29836},
file = {Full Text PDF:files/1962/Qin et al. - 2016 - Quantitative Comparison of Photothermal Heat Gener.pdf:application/pdf;Snapshot:files/1966/srep29836.html:text/html},
url_Paper = {https://inbs.med.utoronto.ca/wp-content/uploads/2020/08/srep29836-min.pdf}
}
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Despite important applications of plasmonic heating in thermal therapy, imaging, and diagnostics, the lack of quantification in heat generation leads to difficulties in comparing the heating capability for new plasmonic nanostructures and predicting the therapeutic and diagnostic outcome. This study quantifies GNP heat generation by experimental measurements and theoretical predictions for gold nanospheres (GNS) and nanorods (GNR). Interestingly, the results show a GNP-type dependent agreement between experiment and theory. The measured heat generation of GNS matches well with theory, while the measured heat generation of GNR is only 30% of that predicted theoretically at peak absorption. This then leads to a surprising finding that the polydispersity, the deviation of nanoparticle size and shape from nominal value, significantly influences GNR heat generation (\\textgreater70% reduction), while having a limited effect for GNS (\\textless10% change). 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