High resolution detection system of capillary electrophoresis

Jie Wang; Li Qiang Wang; Yan Shi; Hua Zheng; Zu Kang Lu

doi:10.1117/12.782913

17 January 2008 High resolution detection system of capillary electrophoresis

Jie Wang, Li Qiang Wang, Yan Shi, Hua Zheng, Zu Kang Lu

Proceedings Volume 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment; 67230K (2008) https://doi.org/10.1117/12.782913
Event: 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Large Mirrors and Telescopes, 2007, Chengdu, China

Abstract

The capillary electrophoresis (CE) with laser induced fluorescence detection (LIFD) system was founded according to confocal theory. The 3-D adjustment of the exciting and collecting optical paths was realized. The photomultiplier tube (PMT) is used and the signals are processed by a software designed by ourselves. Under computer control, high voltage is applied to appropriate reservoirs and to inject and separate DNA samples respectively. Two fluorescent dyes Thiazole Orange (TO) and SYBR Green I were contrasted. With both of the dyes, high signals-to-noise images were obtained with the CE-LIFD system. The single-bases can be distinguished from the electrophoretogram and high resolution of DNA sample separation was obtained.

Citation Download Citation

Jie Wang, Li Qiang Wang, Yan Shi, Hua Zheng, and Zu Kang Lu "High resolution detection system of capillary electrophoresis", Proc. SPIE 6723, 3rd International Symposium on Advanced Optical Manufacturing and Testing Technologies: Optical Test and Measurement Technology and Equipment, 67230K (17 January 2008); https://doi.org/10.1117/12.782913

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