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What does DNPH stand for?

DNPH stands for 2,4-Dinitrophenylhydrazine

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Samples in periodicals archive:

The most widely used reagent is 2,4-dinitrophenylhydrazine (DNPH) which reacts with aldehydes to form hydrazones which are then determined by HPLC.
Sodium hydroxide, acetic acid, methanol, 2,4-dinitrophenylhydrazine (Brady's reagent, DNP), potassium iodide, ethyl acetate, hydrochloric acid, acetic anhydride, glacial acetic acid, perchloric acid, potassium hydrogen phthalate and Oracet blue indicator, Dragendorff's reagent and vanillin/sulphuric acid reagent were obtained from the Chemical Store of the Departments of Pharmaceutics and Pharmaceutical Chemistry, Faculty of Pharmacy and Pharmaceutical Sciences, KNUST, Ghana.
Following extraction, vitamin C concentration in the fermented products is quantified spectrophotometrically by the 2,4-dinitrophenylhydrazine method.
This method can be used to assess the concentrations of oxidative stress via the increase in the formation of protein-bound carbonyls, which are measured based on the covalent reaction of the carbonylated protein side chains with 2,4-dinitrophenylhydrazine followed by detection with a specific antidinitrophenyl antibody (21).
Formaldehyde was analyzed as follows (18): A cartridge containing 2,4-dinitrophenylhydrazine (DNPH), which forms a derivative with formaldehyde, was connected to chamber outlets to measure the concentration of formaldehyde within the chamber.