The DOI matches its Crossref record; 11 of the 11 references it cites were found in a registry or an index.
Trapping of DNA by Thermophoretic Depletion and Convection
Abstract
Thermophoresis depletes DNA from a heated spot. We quantify for the first time the thermal diffusion constant ${D}_{T}=0.4\ifmmode\times\else\texttimes\fi{}{10}^{\ensuremath{-}8}\text{ }{\mathrm{c}\mathrm{m}}^{2}/\mathrm{s}\text{ }\mathrm{K}$ for DNA, using fluorescent dyes and laser heating. For 5 kB DNA we extrapolate a 1000-fold depletion from a temperature difference of 50 K. Surprisingly, convection generated by the same heating can turn the depletion into trapping of DNA. Trapped DNA can form point geometries $20\text{ }\ensuremath{\mu}\mathrm{m}$ in diameter with more than 1000-fold enhanced concentrations. The accumulation is driven only by temperature gradients and offers a new approach to biological microfluidics and replicating systems in prebiotic evolution.
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Why molecules move along a temperature gradient
Duhr, S., & Braun, D. (2006) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0603873103 · Cited by 1,014
Self-citationThe Role of Metal Nanoparticles in Remote Release of Encapsulated Materials
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Thermophoresis in colloidal suspensions
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Extreme accumulation of nucleotides in simulated hydrothermal pore systems
Baaske, P., Weinert, F. M., Duhr, S., Lemke, K. H., Russell, M. J., & Braun, D. (2007) · Proceedings of the National Academy of Sciences · doi:10.1073/pnas.0609592104 · Cited by 367
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Metadata
- Authors
- Braun, D., & Libchaber, A.
- Venue
- Physical Review Letters
- Publisher
- American Physical Society (APS)
- Published
- 2002-10-14
- Volume
- 89
- Issue
- 18
- Pages
- 188103-188103
- ISSN
- 0031-9007 (ISSN-L)
- 1079-7114
- OpenAlex
- W2049657380
- Cited by
- 414
- References
- 11
- FWCI
- 15.31
- Type
- journal article
- Language
- en
- Open access
- closed
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