We describe the process of certification for a gamma-glutamyltransferase reference material (CRM no. 319). Fifteen laboratories participated to this interlaboratory evaluation. All steps of the measurements were controlled in an effort to locate potential sources of variations. In particular, the
Herein, we reported for the first time one step procedure for the preparation of cytochrome c (cyt c)-poly (5-amino-2-napthalenesulfonic acid) (PANS) modified glassy carbon electrode by cyclic voltammetrically (CV). Hereafter, we called the above modified electrode as cyt c-PANS electrode.
Biochemical and biophysical research communications, 319(1), 185-188 (2004-05-26)
A tetrapeptide combinatorial library, considered as chromogenic substrates of bovine beta-trypsin, was synthesized by the solid phase method. The peptides contain an analog of p-nitroanilide, obtained by attaching 5-amino-2-nitrobenzoic acid (Anb(5,2)) to the C-termini. Deconvolution of the peptide library, performed
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