DNPH

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Acronym	Definition
DNPH	2,4-Dinitrophenylhydrazine

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Standard of formaldehyde (36% methanol stabilized solution) and 2,4-dinitrophenylhydrazine (99%) were purchased form Sigma Aldrich.

Determination of Formaldehyde by HPLC with Stable Precolumn Derivatization in Egyptian Dairy Products

Kunugita, "Derivatization of carbonyl compounds with 2,4-dinitrophenylhydrazine and their subsequent determination by high-performance liquid chromatography," Journal of Chromatography B, vol.

Synthesis and Characterization of Ti[O.sub.2]/Si[O.sub.2] Monoliths as Photocatalysts on Methanol Oxidation

These tests included 2,4-dinitrophenylhydrazine (carbonyl group), anthrone (carbohydrates), Baljet (sesquiterpene lactones), sodium bicarbonate (carboxyl group), ferric chloride (tannins), Dragendorff (alkaloids), Liebermann-Burchard (sterols and triterpenes), potassium permanganate (double bonds), Shinoda (flavonoids), sodium hydroxide (coumarins), Borntrager (quinones), and sodium bicarbonate (saponins).

In Vitro Study of Antiamoebic Activity of Methanol Extracts of Argemone mexicana on Trophozoites of Entamoeba histolytica HM1-IMSS

Vitamin C was extracted with 0.5% oxalic acid, under stirring, and after filtration the determination in the extract was carried out, using 2,4-dinitrophenylhydrazine and using ascorbic acid as the standard.

Effect of Marolo (Annona crassiflora Mart.) Pulp Flour Addition in Food Bars

2,4-Dinitrophenylhydrazine, the most popular derivatization reagent, has been used before determination of formaldehyde by HPLC [11, 15, 22].

A Robust Static Headspace GC-FID Method to Detect and Quantify Formaldehyde Impurity in Pharmaceutical Excipients

The supernatant was incubated for 15min with 500[micro]L of 2,4-dinitrophenylhydrazine (10 mM DNFH prepared in 2M HCl).

High-Fat Diet and Alcohol Intake Promotes Inflammation and Impairs Skin Wound Healing in Wistar Rats

Briefly, to detect LDH capacity, the extract was incubated with the substrate buffer and coenzyme I at 37[degrees]C for 15 min, and then was color-rendered using 2,4-dinitrophenylhydrazine [24].

Studies on meat color, myoglobin content, enzyme activities, and genes associated with oxidative potential of pigs slaughtered at different growth stages

Vitamin C analysis was performed though the colorimetric method with 2,4-dinitrophenylhydrazine (2,4-DNPH).

Hybrid cultivars of pear in subtropics regions: processing ability in the form of jelly/Cultivares de peras hibridas em regioes subtropicais: aptidao para processamento na forma de geleia

Briefly, the membranes were equilibrated in 20% methanol in TBS, washed for 5min with 10% trifluoroacetic acid (TFA), derivatized with 5 mM 2,4-dinitrophenylhydrazine (DNPH, Sigma-Aldrich) diluted in 10% TFA for 10min (protected from light), washed with 10% TFA to remove the excess of DNPH, and finally washed with 50% methanol.

Resveratrol Attenuates Copper-Induced Senescence by Improving Cellular Proteostasis

The pellet was resuspended in 100 [micro]L of 0.2 M NaOH and the samples were incubated for 1 hour at room temperature with 2 M HCl (1: 3) added to 10 mM 2,4-dinitrophenylhydrazine (DNPH).

Evaluation of Stability and In Vitro Security of Nanoemulsions Containing Eucalyptus globulus Oil

Protein carbonyl proteins were assayed by 2,4-dinitrophenylhydrazine reaction.

Protein carbonyl content: a novel biomarker for aging in HIV/AIDS patients

Janiak, "Synthesis and spectral characterization of hydrazone schiff bases derived from 2,4-dinitrophenylhydrazine. Crystal structure of salicylaldehyde-2,4-dinitrophenylhydrazone," Zeitschrift fur Naturforschung--Section B Journal of Chemical Sciences, vol.

Five-Coordinate Zinc(II) Complex: Synthesis, Characterization, Molecular Structure, and Antibacterial Activities of Bis-[(E)-2-hydroxy-N' -{1-(4-methoxyphenyl)ethylidene}benzohydrazido] dimethylsulfoxidezinc(II) Complex