Whole column fluorescence imaging on a microchip by using a programmed organic light emitting diode array as a spatial-scanning light source and a single photomultiplier tube as detector.

Whole column fluorescence imaging on a microchip by using a programmed organic light emitting diode array as a spatial-scanning light source and a single photomultiplier tube as detector. Research Abstract Details 

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Whole column fluorescence imaging on a microchip by using a programmed organic light emitting diode array as a spatial-scanning light source and a single photomultiplier tube as detector. Abstract Text:

Kangning Ren,Qionglin Liang,Bo Yao,Guoan Luo,Liduo Wang,Yudi Gao,Yiming Wang,Yong Qiu,Kangning Ren,Qionglin Liang,Bo Yao,Guoan Luo,Liduo Wang,Yudi Gao,Yiming Wang,Yong Qiu,

A novel miniaturized, integrated whole-column imaging detection (WCID) system on a microchip is presented. In this system, a program controlled organic light emitting diode (OLED) array was used as a spatial-scanning light source, to achieve imaging by the time sequence of the excited fluorescence. By this mechanism, a photomultiplier tube (PMT) instead of a charge coupled detector (CCD) can be applied to the imaging. Unlike conventional systems, no lenses, fibers or any mechanical components are required either. The novel flat light source provides uniform excitation light without size limitations and outputs a stronger power by pulse driving. The scanning mode greatly reduced the power consumption of the light source, which is valuable for a portable system. Meanwhile, this novel simplified system has a broader linear range, higher sensitivity and higher efficiency in data collection. Isoelectric focusing of R-phycoerythrin (PE) and monitoring of the overall process with WCID were performed on this system. The limit of detection (LOD) was 38 ng mL(-1) or 3.2 pg at 85 nL per column injection of PE. The system provides a technique for WCID capillary isoelectric focusing (cIEF) on chip and can be used for throughput analysis.

Whole column fluorescence imaging on a microchip by using a programmed organic light emitting diode array as a spatial-scanning light source and a single photomultiplier tube as detector. Publishing Authors By Initials

K Ren,Q Liang,B Yao,G Luo,L Wang,Y Gao,Y Wang,Y Qiu,K Ren,Q Liang,B Yao,G Luo,L Wang,Y Gao,Y Wang,Y Qiu,

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Whole column fluorescence imaging on a microchip by using a programmed organic light emitting diode array as a spatial-scanning light source and a single photomultiplier tube as detector. Journal Published:

PUBLICATION TYPE: Research Support, Non-U.S. Gov

Journal: Lab on a chip

VOLUME: 7

Page Numbers: 1574-80

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ISSN: 1473-0197

DAY: 28

MONTH: 08

YEAR: 2007

Whole column fluorescence imaging on a microchip by using a programmed organic light emitting diode array as a spatial-scanning light source and a single photomultiplier tube as detector. Information

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LANGUAGE: eng

NlmUniqueID: 101128948

Whole column fluorescence imaging on a microchip by using a programmed organic light emitting diode array as a spatial-scanning light source and a single photomultiplier tube as detector. Keywords Mesh Terms:

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Grant and Affiliation Information for Whole column fluorescence imaging on a microchip by using a programmed organic light emitting diode array as a spatial-scanning light source and a single photomultiplier tube as detector.

AFFILIATION: Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Department of Chemistry, Tsinghua University, Beijing, 100084, China.

Country: England

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MEDLINETA: Lab Chip

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