Ion-Induced Volume Transition in Gels and Its Role in Biology.
Ion-Induced Volume Transition in Gels and Its Role in Biology.
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凝胶中的离子诱导体积转变及其在生物学中的作用
DOI:
10.3390/gels7010020
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发表时间:
2021-02-18
期刊:
影响因子:
--
通讯作者:
Horkay F
中科院分区:
文献类型:
--
作者:
Mussel M;Basser PJ;Horkay F
Incremental changes in ionic composition, solvent quality, and temperature can lead to reversible and abrupt structural changes in many synthetic and biopolymer systems. In the biological milieu, this nonlinear response is believed to play an important functional role in various biological systems, including DNA condensation, cell secretion, water flow in xylem of plants, cell resting potential, and formation of membraneless organelles. While these systems are markedly different from one another, a physicochemical framework that treats them as polyelectrolytes, provides a means to interpret experimental results and make in silico predictions. This article summarizes experimental results made on ion-induced volume phase transition in a polyelectrolyte model gel (sodium polyacrylate) and observations on the above-mentioned biological systems indicating the existence of a steep response.
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DOI:
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DOI:
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发表时间:
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期刊:
JOURNAL DE PHYSIQUE II
影响因子:
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