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Excessive intake of kanamycin (KANA) can cause some serious drug-resistant diseases, so it is urgent to develop some accurate and rapid analytical methods for monitor KANA residues in foodstuffs with complex matrix. Recently, many ratiometric assays were reported to be capable of overcoming matrix interference. Herein, a ratiometric and homogeneous assay for KANA detection based on microchip electrophoresis...
A new method based on solid-support reaction is described to realize fluorescent derivatization of proteins at concentrations as low as 10 −8 M. A simple, low-cost homemade capillary C18 cartridge was fabricated as the solid-support reactor. Using bovine serum albumin (BSA) as a test protein, we demonstrated that the protein can be captured by this reactor and then labeled by fluorescein isothiocyanate...
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