期刊
BIOMEDICAL OPTICS EXPRESS
卷 1, 期 5, 页码 1408-1431出版社
OPTICAL SOC AMER
DOI: 10.1364/BOE.1.001408
关键词
-
资金
- NIH [R01-GM084327]
We present a novel approach to high-throughput Fluorescence Correlation Spectroscopy (FCS) which enables us to obtain one order of magnitude improvement in acquisition time. Our approach utilizes a liquid crystal on silicon spatial light modulator to generate dynamically adjustable focal spots, and uses an eight-pixel monolithic single-photon avalanche photodiode array. We demonstrate the capabilities of this system by showing FCS of Rhodamine 6G under various viscosities, and by showing that, with proper calibration of each detection channel, one order of magnitude improvement in acquisition speed is obtained. More generally, our approach will allow higher throughput single-molecule studies to be performed. (C) 2010 Optical Society of America
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