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Voltammetric determination of ascorbic acid in the presence of acetaminophen and tryptophan using an improved carbon nanotube paste electrode（图）
Ascorbic acid Acetaminophen Tryptophan Carbon nanotube paste electrode Electrocatalysis
2013/9/26
A carbon paste electrode (CPE) modified with carbon nanotubes and 5-amino-3',4'-dimethyl- biphenyl-2-ol (5ADB) is prepared. Under the optimum pH of 7.0, the oxidation of ascorbic acid (AA) on the modi...
以酶法合成γ-D-glutamyl-L-tryptophan (γ-D-Glu-L-Trp)为研究体系，采用D-谷氨酰胺为γ-谷氨酰基供体，L-色氨酸为受体，测定得到了转肽反应的米氏常数（K m）为5.11 mmol·L-1，催化常数（Kcat）为3.92 mmol·min-1，γ-D-Glu-L-Trp的水解反应米氏常数（K′m）为2.31 mmol·L-1，催化常数（K′cat）为1...