Robust scan synchronized force-fluorescence imaging.
Robust scan synchronized force-fluorescence imaging.
复制标题
鲁棒扫描同步力荧光成像。
DOI:
10.1016/j.ultramic.2020.113165
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发表时间:
2021-03
期刊:
影响因子:
2.2
通讯作者:
Sivasankar S
中科院分区:
文献类型:
--
作者:
Schmidt P;Lajoie J;Sivasankar S
Simultaneous atomic force microscope (AFM) and sample scanning confocal fluorescence microscope measurements are widely used to obtain mechanistic and structural insights into protein dynamics in live cells. However, the absence of a robust technique to synchronously scan both AFM and confocal microscope piezo stages makes it difficult to visualize force-induced changes in fluorescent protein distribution in cells. To address this challenge, we have built an integrated AFM-confocal fluorescence microscope platform that implements a synchronous scanning method which eliminates image artifacts from piezo motion ramping, produces accurate pixel binning and enables the collection of a scanned image of a sample while applying force to a single point on the sample. As proof of principle, we use this instrument to monitor the redistribution of fluorescent E-cadherin, an essential transmembrane protein, in live cells, upon application of mechanical force.
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影响因子:
4.6
作者:
Schmidt PD;Reichert BH;Lajoie JG;Sivasankar S
通讯作者:
Sivasankar S
影响因子:
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Mangum, Benjamin D.;Mu, Chun;Gerton, Jordan M.
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Sivasankar, Sanjeevi