Single Polymer Dynamics in A Random Flow

	Single Polymer Dynamics in A Random Flow
	Liu,Yonggang ; Steinberg,Victor
刊名	macromolecular symposia
	2014
卷号	334 期号:x 页码:34-43
关键词	COIL-STRETCH TRANSITION LONGEST RELAXATION-TIMES DNA-MOLECULES STRANDED-DNA SHEAR-FLOW DILUTE DEPENDENCE TURBULENCE SIMULATIONS DIFFUSION
通讯作者	liu,yg
英文摘要	the dynamics and conformations of a single fluorescently stained t4 dna molecule are studied in a random flow of elastic turbulence created by the same unlabeled molecules. the explored polymer concentration covers the dilute and semi-dilute unentangled regimes, according to the measurement of the longest relaxation time by extension relaxation of single polymer chains. the criterion of the coil-stretch transition was found to be close to the theoretically predicted value. using measured polymer stretching statistics and its known elastic properties, the elastic stress in elastic turbulence is obtained over a broad range of weissenberg number and polymer concentration. the existing theory of elastic turbulence is disproved by the measurements of the elastic stress and the degree of polymer stretching. the role of increasing shear rate on polymer extension and angular statistics in a random flow is also studied and compared with theory and numerical simulations.
收录类别	SCI
语种	英语
公开日期	2015-10-27
内容类型	期刊论文
源URL	[http://ir.ciac.jl.cn/handle/322003/57566]
专题	长春应用化学研究所_长春应用化学研究所知识产出_期刊论文
推荐引用方式 GB/T 7714	Liu,Yonggang,Steinberg,Victor. Single Polymer Dynamics in A Random Flow[J]. macromolecular symposia,2014,334(x):34-43.
APA	Liu,Yonggang,&Steinberg,Victor.(2014).Single Polymer Dynamics in A Random Flow.macromolecular symposia,334(x),34-43.
MLA	Liu,Yonggang,et al."Single Polymer Dynamics in A Random Flow".macromolecular symposia 334.x(2014):34-43.