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2,4-di·ni·tro·phe·nol (DNP, Dnp),

N2pH-OH; a toxic dye, chemically related to trinitrophenol (picric acid), used in biochemical studies of oxidative processes where it uncouples oxidative phosphorylation; it is also a metabolic stimulant.

2,4-dinitrophenol (DNP)

1 a dye used in biochemical research into oxidative processes.
2 a hapten commonly used to induce immune response.


C6H4N2O5; a toxic compound formerly used to make dyes.
References in periodicals archive ?
Different concentrations of energy inhibitor 2,4-dinitrophenol were then prepared.
5) The drug containing different concentrations of energy inhibitor 2,4-dinitrophenol was used for the perfusion experiment to study its influence upon drug absorption.
Samples were storedduring 20 days at a temperature of 18 [degrees] C to guaranteethe equilibrium conditions (storage time was determined by measuring phenol's concentrations in samples every five days, using a UV spectroscopy until getting constant values); then, the samples were filtered and concentrations of phenol and 2,4-dinitrophenol were measured by using an UV spectroscopy equipment Thermo Spectronic Genesys 5, at [[lambda].
excentricus blastulae were killed with 3 [micro]M 2,4-dinitrophenol, a metabolic inhibitor (Flickinger, 1972), this temperature effect was negated.
We have seen examples of a six-fold increase in response at low concentrations for compounds, such as 2,4-dinitrophenol and LSD (lysergic acid diethylamide)," says James Yano, GC/MS product manager at Agilent.
To detect the tyrosinase and IS PCR products we used 2,4-dinitrophenol (DNP)-labeled probes.
It is illegal to sell 2,4-dinitrophenol - known as DNP - as a slimming drug but the government has been struggling to clamp down on online sellers.
Application of 2,4-dinitrophenol to colonies of Podocoryne carnea results in a condition of "loose-coupling" of oxidative phosphorylation, a decrease in the energy available for generating gastrovascular flow, and a consequent diminishing of the rate of flow to peripheral stolons.
The 21-year-old fell sick after taking eight pills that contained 2,4-dinitrophenol - known as DNP, and died in hospital.
Release of respiratory control by 2,4-dinitrophenol in different stages of sea urchin development.

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