A centrifugal microfluidic device for screening protein crystallization conditions by vapor diffusion
A centrifugal microfluidic device for screening protein crystallization conditions by vapor diffusion
复制标题
一种通过蒸汽扩散筛选蛋白质结晶条件的离心微流体装置
DOI:
10.1016/j.snb.2015.04.105
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发表时间:
2015-11
期刊:
影响因子:
--
通讯作者:
Zhao, Jianlong
中科院分区:
文献类型:
--
作者:
Hu, Xiaojian;Li, Gang;Jin, Qinghui;Zhao, Jianlong
This paper describes a centrifuge-based microfluidic device for performing nanoliter-scale protein crystallization trials by vapor diffusion. By combining the capillary effect and centrifugal force, this device spontaneously and parallelly meters and dispenses protein samples and precipitants into 24 reaction chambers for crystallization screening. Furthermore, the design of two-level capillary stop valves and vapor-diffusion chambers in this device allows vapor transport between the protein droplet and the stored precipitant, perfectly equivalent to that observed in conventional vapor diffusion techniques, which slowly brings the protein droplet into a supersaturation state to nucleate and grow protein crystals. We demonstrate the power of this device by testing it for rapid screening of protein crystallization conditions. Compared with the conventional hanging-drop technique, this device can identify more crystallization conditions and provide a wider range of supersaturation rates, while using two orders of magnitude less protein sample. This centrifuge-based microfluidic device provides a simple and low-cost tool for individual laboratories to rapidly screen initial protein crystallization conditions.
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影响因子:
48
作者:
Chayen, Naomi E.;Saridakis, Emmanuel
通讯作者:
Saridakis, Emmanuel
影响因子:
3.9
作者:
M. J. Adams
通讯作者:
M. J. Adams
DOI:
10.1107/s0907444993013320
发表时间:
1994-07
期刊:
Acta crystallographica. Section D, Biological crystallography
影响因子:
--
作者:
N. Chayen;P. D. Shaw Stewart;P. Baldock
通讯作者:
N. Chayen;P. D. Shaw Stewart;P. Baldock
影响因子:
2.8
作者:
Chen, Jerry M.;Huang, Po-Chun;Lin, Mou-Gee
通讯作者:
Lin, Mou-Gee
DOI:
--
发表时间:
1999
期刊:
--
影响因子:
--
作者:
A. Auroux;A. Gervasini
通讯作者:
A. Auroux;A. Gervasini