Tandem Phosphorothioate Modifications for DNA Adsorption Strength and Polarity Control on Gold Nanoparticles
| dc.contributor.author | Zhou, Wenhu | |
| dc.contributor.author | Wang, Feng | |
| dc.contributor.author | Ding, Jinsong | |
| dc.contributor.author | Liu, Juewen | |
| dc.date.accessioned | 2017-02-27T20:42:01Z | |
| dc.date.available | 2017-02-27T20:42:01Z | |
| dc.date.issued | 2014-09-10 | |
| dc.description | This document is the Accepted Manuscript version of a Published Work that appeared in final form in Applied Materials & Interfaces, copyright © American Chemical Society after peer review and technical editing by publisher. To access the final edited and published work see Zhou, W., Wang, F., Ding, J., & Liu, J. (2014). Tandem Phosphorothioate Modifications for DNA Adsorption Strength and Polarity Control on Gold Nanoparticles. ACS Applied Materials & Interfaces, 6(17), 14795–14800. https://doi.org/10.1021/am504791b | en |
| dc.description.abstract | Unmodified DNA was recently used to functionalize gold nanoparticles via DNA base adsorption. Compared to thiolated DNA, however, the application of unmodified DNA is limited by the lack of sequence generality, adsorption polarity control and poor adsorption stability. We report that these problems can be solved using phosphorothioate (PS) DNA. PS DNA binds to gold mainly via the sulfur atom and is thus less sequence dependent. The adsorption affinity is ranked to be thiol > PS > adenine > thymine. Tandem PS improves adsorption strength, allows tunable DNA density, and the resulting conjugates are functional at a low cost. | en |
| dc.description.sponsorship | University of Waterloo || Natural Sciences and Engineering Research Council || Foundation for Shenghua Scholar of Central South University || National Natural Science Foundation of China || Grant No. 21301195 | en |
| dc.identifier.uri | http://dx.doi.org/10.1021/am504791b | |
| dc.identifier.uri | http://hdl.handle.net/10012/11370 | |
| dc.language.iso | en | en |
| dc.publisher | American Chemical Society | en |
| dc.subject | adsorption | en |
| dc.subject | DNA | en |
| dc.subject | gold nanoparticles | en |
| dc.subject | nanotechnology | en |
| dc.subject | phosphorothioate | en |
| dc.subject | self-assembly | en |
| dc.title | Tandem Phosphorothioate Modifications for DNA Adsorption Strength and Polarity Control on Gold Nanoparticles | en |
| dc.type | Article | en |
| dcterms.bibliographicCitation | Zhou, W., Wang, F., Ding, J., & Liu, J. (2014). Tandem Phosphorothioate Modifications for DNA Adsorption Strength and Polarity Control on Gold Nanoparticles. ACS Applied Materials & Interfaces, 6(17), 14795–14800. https://doi.org/10.1021/am504791b | en |
| uws.contributor.affiliation1 | Faculty of Science | en |
| uws.contributor.affiliation2 | Chemistry | en |
| uws.contributor.affiliation2 | Waterloo Institute for Nanotechnology (WIN) | en |
| uws.peerReviewStatus | Reviewed | en |
| uws.scholarLevel | Faculty | en |
| uws.typeOfResource | Text | en |