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Open AccessArticle

Conformation and Dynamics of Long-Chain End-Tethered Polymers in Microchannels

1
Institute for Nano- and Microfluidics, Technische Universität Darmstadt, 64287 Darmstadt, Germany
2
Institut für Computerphysik, Universität Stuttgart, 70569 Stuttgart, Germany
*
Author to whom correspondence should be addressed.
Polymers 2019, 11(3), 488; https://doi.org/10.3390/polym11030488
Received: 7 December 2018 / Revised: 25 February 2019 / Accepted: 27 February 2019 / Published: 13 March 2019
(This article belongs to the Special Issue Polymer in Confinement)
Polyelectrolytes constitute an important group of materials, used for such different purposes as the stabilization of emulsions and suspensions or oil recovery. They are also studied and utilized in the field of microfluidics. With respect to the latter, a part of the interest in polyelectrolytes inside microchannels stems from genetic analysis, considering that deoxyribonucleic acid (DNA) molecules are polyelectrolytes. This review summarizes the single-molecule experimental and molecular dynamics simulation-based studies of end-tethered polyelectrolytes, especially addressing their relaxation dynamics and deformation characteristics under various external forces in micro-confined environments. In most of these studies, DNA is considered as a model polyelectrolyte. Apart from summarizing the results obtained in that area, the most important experimental and simulation techniques are explained. View Full-Text
Keywords: polyelectrolyte; confinement; DNA; stretching; relaxation; Lattice Boltzmann; molecular dynamics polyelectrolyte; confinement; DNA; stretching; relaxation; Lattice Boltzmann; molecular dynamics
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MDPI and ACS Style

Roy, T.; Szuttor, K.; Smiatek, J.; Holm, C.; Hardt, S. Conformation and Dynamics of Long-Chain End-Tethered Polymers in Microchannels. Polymers 2019, 11, 488.

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