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- 2025年07月20日
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文献和实验, benzoylecgonine-d3, ecgonine methyl ester-d3, and cocaethylene-d3 and buffered with phosphate buffer. The drugs in the sample are extracted by cation-exchange solid phase extraction. The drugs from the solid phase cartridge are eluted and the eluent is dried
Application of Dual Cyclodextrin Systems in Capillary Electrophoresis Enantioseparations
using dual CD systems made up of a negatively charged CD derivative, i.e., sulfobutyl-β-CD (SB-β-CD) or carboxymethyl-β-CD (CM-β-CD), in combination with a neutral one, namely, heptakis(2,3,6-tri-O -methyl)-β-CD (TM-β-CD). An acidic compound (carprofen
Integrative Food Grade Expression System for Lactic Acid Bacteria
into an intergenic chromosomal location downstream of lacZ (LBA1462), encoding a β-galactosidase. The transcriptional activity of integrated gusA3 was evaluated by GUS activity assays using 4-methyl-umbelliferyl-β-d -glucuronide (MUG) and was determined
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