title: Simultaneous light emitting diode-induced fluorescence and contactless conductivity detection for capillary electrophoresis.
abstract: A combined detection system of simultaneous contactless conductometric and fluorescent detection for capillary electrophoresis (CE) has been designed and evaluated. The two processes share a common detection cell. A blue light-emitting diode (LED) was used as the excitation source and an optical fiber was used to collect the emitting fluorescence for fluorescent detection (FD). Inorganic ions, fluorescein isothiocyanate (FITC)-labeled amino acids and small molecule peptides were separated and detected by the combined detector, and the detection limits (LODs) of sub-microM level were achieved.
authors.affiliation: Department of Micro-Instrument and Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian, 116023, China.
authors.forename: Feng
authors.initials: F
authors.lastname: Tan
authors.forename: Bingcheng
authors.initials: B
authors.lastname: Yang
authors.forename: Yafeng
authors.initials: Y
authors.lastname: Guan