High affinity DNA base analogs as supramolecular, nanoscale promoters of macroscopic adhesion. Anderson, C. a, Jones, A. R, Briggs, E. M, Novitsky, E. J, Kuykendall, D. W, Sottos, N. R, & Zimmerman, S. C Journal of the American Chemical Society, April, 2013. ![High affinity DNA base analogs as supramolecular, nanoscale promoters of macroscopic adhesion. [link]](https://bibbase.org/img/filetypes/link.svg "link")
Paper doi abstract bibtex Adhesion phenomena are essential to many biological processes and to synthetic adhesives and manufactured coatings and composites. Supramolecular interactions are often implicated in various adhesion mechanisms. Recently, supramolecular building-blocks such as synthetic DNA base-pair mimics have drawn attention in the context of molecular recognition, self-assembly, and supramolecular polymers. These reversible, bioinspired interactions have been studied extensively for their adhesive capabilities at the nano- and microscale, however, much less is known about their utility for practical adhesion in macroscopic systems. Herein, we report the preparation and evaluation of supramolecular coupling agents based on high-affinity, high-fidelity quadruple hydrogen-bonding units (e.g., DAN·DeUG, Kassoc = 108 M-1 in chloroform). Macroscopic adhesion between polystyrene films and glass surfaces modified with DAN and DeUG units were evaluated by mechanical testing. Structure-property relationships indicate that the designed supramolecular interac-tion at the nanoscale plays a key role in the observed macroscopic adhesive response. Experiments probing reversible ad-hesion or self-healing properties of bulk samples indicate that significant recovery of initial strength can be realized after failure, but that the designed non-covalent interaction does not lead to healing during the process of adhesion loss.
@article{Anderson2013,
title = {High affinity {DNA} base analogs as supramolecular, nanoscale promoters of macroscopic adhesion.},
issn = {1520-5126},
url = {http://www.ncbi.nlm.nih.gov/pubmed/23590235},
doi = {10.1021/ja4005283},
abstract = {Adhesion phenomena are essential to many biological processes and to synthetic adhesives and manufactured coatings and composites. Supramolecular interactions are often implicated in various adhesion mechanisms. Recently, supramolecular building-blocks such as synthetic DNA base-pair mimics have drawn attention in the context of molecular recognition, self-assembly, and supramolecular polymers. These reversible, bioinspired interactions have been studied extensively for their adhesive capabilities at the nano- and microscale, however, much less is known about their utility for practical adhesion in macroscopic systems. Herein, we report the preparation and evaluation of supramolecular coupling agents based on high-affinity, high-fidelity quadruple hydrogen-bonding units (e.g., DAN·DeUG, Kassoc = 108 M-1 in chloroform). Macroscopic adhesion between polystyrene films and glass surfaces modified with DAN and DeUG units were evaluated by mechanical testing. Structure-property relationships indicate that the designed supramolecular interac-tion at the nanoscale plays a key role in the observed macroscopic adhesive response. Experiments probing reversible ad-hesion or self-healing properties of bulk samples indicate that significant recovery of initial strength can be realized after failure, but that the designed non-covalent interaction does not lead to healing during the process of adhesion loss.},
journal = {Journal of the American Chemical Society},
author = {Anderson, Cyrus a and Jones, Amanda R and Briggs, Ellen M and Novitsky, Eric J and Kuykendall, Darrell W and Sottos, Nancy R and Zimmerman, Steven C},
month = apr,
year = {2013},
pmid = {23590235},
keywords = {\#nosource},
}
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These reversible, bioinspired interactions have been studied extensively for their adhesive capabilities at the nano- and microscale, however, much less is known about their utility for practical adhesion in macroscopic systems. Herein, we report the preparation and evaluation of supramolecular coupling agents based on high-affinity, high-fidelity quadruple hydrogen-bonding units (e.g., DAN·DeUG, Kassoc = 108 M-1 in chloroform). Macroscopic adhesion between polystyrene films and glass surfaces modified with DAN and DeUG units were evaluated by mechanical testing. Structure-property relationships indicate that the designed supramolecular interac-tion at the nanoscale plays a key role in the observed macroscopic adhesive response. 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