Incubation and activity determination of lactate dehydrogenase isoenzymes on microfluidic chip

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review

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Author(s)

  • Jing Liu
  • Gui-Sheng Zhuang
  • Chun-Ping Jia
  • Qing-Hui Jin
  • Hui-Min Wang
  • Jian-Long Zhao

Detail(s)

Original languageEnglish
Pages (from-to)1223-1226
Journal / PublicationGaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities
Volume27
Issue number7
Publication statusPublished - Jul 2006
Externally publishedYes

Abstract

A novel incubation and activity determination method of lactate dehydrogenase isoenzymes was established. Based on the on-chip electrophoretic separation theory the analyzer was integrated with a temperature-controlling system. The assay program of the enzymes including injection of samples, incubation and separation was highly performed in the microchannel. A system for high sensitivity fluorescence detection was developed. A 360 nm light source was adopted to excite the fluorescence and the 460 nm signature was finally selectively gathered. The efficient separation of different LDH fractions indicates the potential of microfluidic devices for isoenzymes assay and the detection limit reached 0.5 U/L.

Research Area(s)

  • Activity determination, Lactate dehydrogenase isoenzymes, Microfluidic chip, Temperature-controlling

Citation Format(s)

Incubation and activity determination of lactate dehydrogenase isoenzymes on microfluidic chip. / Liu, Jing; Zhuang, Gui-Sheng; Jia, Chun-Ping et al.

In: Gaodeng Xuexiao Huaxue Xuebao/Chemical Journal of Chinese Universities, Vol. 27, No. 7, 07.2006, p. 1223-1226.

Research output: Journal Publications and Reviews (RGC: 21, 22, 62)21_Publication in refereed journalpeer-review