The DOI matches its Crossref record; 2 of the 2 references it cites were found in a registry or an index.
Freezing Directed Construction of Bio/Nano Interfaces: Reagentless Conjugation, Denser Spherical Nucleic Acids, and Better Nanoflares
Open accessAbstract
While nanoparticle solutions cannot freeze in general, they may remain stable in the presence of polymer stabilizers. We herein communicate that gold nanoparticles (AuNPs) are stable in the presence of thiolated DNA after a freeze-thaw cycle. The DNA is conjugated to AuNPs during freezing without additional reagents and the conjugation can be completed in a few minutes. More importantly, the DNA density is 20-30% higher than that prepared by the typical salt-aging method. By lowering temperature, DNA hybridization is also promoted, allowing the construction of better nanoflares with doubled probe density and signaling sensitivity. This freezing method works for AuNPs from 5 to 100 nm and all tested DNA sequences. The mechanism was studied by separating the effect of temperature, freezing and thawing, where the exclusion of salt and AuNPs by the growing ice crystals is deemed critical. In addition to developing a simple method, this study articulates unique physical processes during freezing with important fundamental surface science implications, and it could be extended to other systems.
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Cites
Nanostructures in Biodiagnostics
Rosi, N. L., & Mirkin, C. A. (2005) · Chemical Reviews · doi:10.1021/cr030067f · Cited by 4,603
Challenges and opportunities for structural DNA nanotechnology
Pinheiro, A. V., Han, D., Shih, W. M., & Yan, H. (2011) · Nature Nanotechnology · doi:10.1038/nnano.2011.187 · Cited by 1,292
Cited by
Hu, M., Yuan, C., Tian, T., Wang, X., Sun, J., Xiong, E., & Zhou, X. (2020) · Journal of the American Chemical Society · doi:10.1021/jacs.0c00217 · Cited by 267
Song, Y., Shi, Y., Huang, M., Wang, W., Wang, Y., Cheng, J., Lei, Z., Zhu, Z., & Yang, C. (2019) · Angewandte Chemie International Edition · doi:10.1002/anie.201809337 · Cited by 266
Yuan, C., Tian, T., Sun, J., Hu, M., Wang, X., Xiong, E., Cheng, M., Bao, Y., Lin, W., Jiang, J., et al. (2020) · Analytical Chemistry · doi:10.1021/acs.analchem.9b05597 · Cited by 257
Meng, Y., Liu, P., Zhou, W., Ding, J., & Liu, J. (2018) · ACS Nano · doi:10.1021/acsnano.8b03019 · Cited by 149
Self-citationSERS detection of mercury (II)/lead (II): A new class of DNA logic gates
Zou, Q., Li, X., Xue, T., Zheng, J., & Su, Q. (2019) · Talanta · doi:10.1016/j.talanta.2018.11.089 · Cited by 36
Li, J., Qi, Y., Yang, R., Chen, X., Chen, Z., & Zhu, J.-J. (2023) · Analytical Chemistry · doi:10.1021/acs.analchem.3c02851 · Cited by 11
Metadata
- Authors
- Liu, B., & Liu, J.
- Venue
- Journal of the American Chemical Society
- Publisher
- American Chemical Society (ACS)
- Published
- 2017-07-06
- Volume
- 139
- Issue
- 28
- Pages
- 9471-9474
- ISSN
- 0002-7863 (ISSN-L)
- 1520-5126
- OpenAlex
- W2724917816
- Cited by
- 535
- References
- 2
- FWCI
- 8.74
- Type
- journal article
- Language
- en
- Open access
- hybrid
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