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Phase behavior and critical activated dynamics of limited-valence DNA nanostars
Open accessAbstract
Significance: At atomic and molecular levels, particles interact via the immutable laws of quantum mechanics, whereas at nanoscopic and microscopic levels, interactions between colloidal particles can be determined by human design. We exploit DNA self-assembly to produce nanoscopic particles with a controlled number of interacting terminations, providing the particles with valence. Experimental investigation of the collective behavior of such colloids shows that reducing the number of interacting sites results in a significant shrinkage of the gas–liquid coexistence region, with critical parameters decreasing as the valence is reduced. We also observe an unconventional dynamic behavior in the proximity of the critical point. Such findings are relevant to answer fundamental physics issues and potentially to determine the stability region of new DNA-based materials.
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Cited by
DNA Functional Materials Assembled from Branched DNA: Design, Synthesis, and Applications
Dong, Y., Yao, C., Zhu, Y., Yang, L., Luo, D., & Yang, D. (2020) · Chemical Reviews · doi:10.1021/acs.chemrev.0c00294 · Cited by 533
The role of local structure in dynamical arrest
Royall, C. P., & Williams, S. R. (2015) · Physics Reports · doi:10.1016/j.physrep.2014.11.004 · Cited by 473
Synthetic Membrane Shaper for Controlled Liposome Deformation
De Franceschi, N., Pezeshkian, W., Fragasso, A., Bruininks, B. M. H., Tsai, S., Marrink, S. J., & Dekker, C. (2023) · ACS Nano · doi:10.1021/acsnano.2c06125 · Cited by 40
“We used DNA nanostars, 25 which are 96.5 kDa tetrameric cross-shape DNA assemblies (Figure 1c) that at two positions have a binding site to a short complementary oligonucleotide (chol-oligo) that is functionalized with a cholesterol moiety at its 3 ′ end.”
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Metadata
- Authors
- Biffi, S., Cerbino, R., Bomboi, F., Paraboschi, E. M., Asselta, R., Sciortino, F., & Bellini, T.
- Venue
- Proceedings of the National Academy of Sciences
- Published
- 2013-09-09
- Volume
- 110
- Issue
- 39
- Pages
- 15633-15637
- ISSN
- 0027-8424 (ISSN-L)
- 1091-6490
- OpenAlex
- W1980903147
- Cited by
- 233
- References
- 0
- FWCI
- 4.59
- Type
- journal article
- Language
- en
- Open access
- green
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- Biffi, S., Cerbino, R., Bomboi, F., Paraboschi, E. M., Asselta, R., Sciortino, F., & Bellini, T. (2013). Phase behavior and critical activated dynamics of limited-valence DNA nanostars. Proceedings of the National Academy of Sciences. https://doi.org/10.1073/pnas.1304632110
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