Definition of "nitrophenyl" [nitrophenyl]

• Any univalent radical derived from a nitrophenol (noun)

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• "Catalytic activity has been found and studied for the hydrolysis of/»-nitrophenyl acetate."
• "E. coli MC4100 or V. parahaemolyticus strains, each harboring a reporter plasmid were grown for 1 h at 37°C in LB broth containing 1.0 or 0. 5% NaCl. β-galactosidase activity was assayed in cell lysates by Miller's method using o-nitrophenyl-β-D-galactopyranoside (ONPG) as a substrate The promoter region of vtrB, containing a 284 bp upstream sequence of the start codon, was amplified by polymerase chain reaction (PCR)."
• "We also tested the activity of HD-PTP WT and S / A against p-nitrophenyl phosphate (pNPP), a synthetic substrate frequently used to evaluate PTP activity."