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题名:
Label-free multidimensional information acquisition from optogenetically engineered cells using a graphene transistor
作者: Li GX(李恭新); Yang J(杨佳); Yang WG(杨文广); Wang FF(王飞飞); Wang YC(王越超); Wang WX(王文学); Liu LQ(刘连庆)
作者部门: 机器人学研究室
通讯作者: Wang WX(王文学) ; Liu LQ(刘连庆)
刊名: Nanoscale
ISSN号: 2040-3364
出版日期: 2018
卷号: 10, 期号:5, 页码:2285-2290
收录类别: SCI ; EI
EI收录号: 20180604766020
WOS记录号: WOS:000424075400015
产权排序: 1
项目资助者: National Natural Science Foundation of China (Grant No. 61522312, 91748212 and 61673372)
摘要: The optogenetic technique, which allows the manipulation of cellular activity patterns in space and time by light, has transformed the field of neuroscience. However, acquiring multidimensional optogenetic information remains challenging despite the fact that several cellular information detection methods have been proposed. Herein, we present a new method to acquire label-free multidimensional information from optogenetically engineered cells using a graphene transistor. Using a graphene film to form a strong densely packed layer with cells, the cellular action potentials were characterized as light-activated transistor conductance signals, which quantified the multidimensional optogenetic information. Based on this approach, some important cellular optogenetic information, including electrophysiological state, cell concentration, expression levels of opsin and response to variable light intensity, were also precisely detected. Furthermore, the graphene transistor was also used to distinguish cells expressing different channelrhodopsin-2 variants. Our study offers a general detection method of multidimensional optogenetic information for extending the applications of the optogenetic technique and provides a novel sensor for the development of future biological prosthetic devices. © 2018 The Royal Society of Chemistry.
语种: 英语
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内容类型: 期刊论文
URI标识: http://ir.sia.cn/handle/173321/21527
Appears in Collections:机器人学研究室_期刊论文

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作者单位: 1.State Key Laboratory of Robotics, Shenyang Institute of Automation, Chinese Academy of Sciences, Shenyang 110016, China
2.Key Laboratory of Advanced Process Control for Light Industry, Ministry of Education, Institute of Automation, Jiangnan University, Wuxi 214122, China
3.University of Chinese Academy of Science, Beijing 100049, China

Recommended Citation:
Li GX,Yang J,Yang WG,et al. Label-free multidimensional information acquisition from optogenetically engineered cells using a graphene transistor[J]. Nanoscale,2018,10(5):2285-2290.
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