Dynamical solutions for migration of chiral DNA-type objects in shear flows

NCU Institutional Repository > 理學院 > 物理學系 > 期刊論文 > Item 987654321/52888

請使用永久網址來引用或連結此文件: http://ir.lib.ncu.edu.tw/handle/987654321/52888

題名:	Dynamical solutions for migration of chiral DNA-type objects in shear flows
作者:	Chen,PL;Zhang,QY
貢獻者:	物理學系
關鍵詞:	CAPILLARY ELECTROCHROMATOGRAPHY;MOLECULAR CHIRALITY;LIQUID-CRYSTALS;SEPARATION;PARTICLES
日期:	2011
上傳時間:	2012-06-11 10:48:34 (UTC+8)
出版者:	國立中央大學
摘要:	We present a dynamical analysis of chiral object motions to explain physical mechanisms and give quantitative predictions on the shear-induced drift motions of chiral objects and the chiral separation of enantiomers using shear flows. For objects well represented by the uniaxial approximation, such as DNA and chiral disk hexamers, dynamical motions in low-Reynolds-number shear flows are solved analytically, in terms of steady-state object-flow interacting parameters, which can be calculated numerically by well-established methods. The shear-induced drifting speed of long helices are evaluated. Good agreements are found between our results and those obtained from dynamical simulations [Makino and Doi, Phys. Fluids 17, 103605 (2005)]. We also compare our results with those obtained experimentally [Marcos, Fu, Powers, and Stocker, Phys. Rev. Lett. 102, 158103 (2009)]. The analysis may also be extended to study other important chiral-flow interactions in nature environments and microfluidic devices, such as the particle-wall and interparticle interactions.
關聯:	PHYSICAL REVIEW E
顯示於類別:	[物理學系] 期刊論文

文件中的檔案:

檔案	描述	大小	格式	瀏覽次數
index.html		0Kb	HTML	392	檢視/開啟

在NCUIR中所有的資料項目都受到原著作權保護.

社群 sharing