DMPO

[5,5-Dimethyl-1-pyrroline-N-oxide (high purity), 2,2-Dimethyl-3,4-dihydro-2H-pyrrole 1-oxide (high purity)]



ALX-430-090-M500	500 mg	115.00 USD

ALX-430-090-G001	1 g	190.00 USD

Cell permeable hydrophilic spin trap for both in vivo and in vitro studies of superoxide, O-, C-, S- and N- centered free radicals.

Product Specification

Formula:	C₆H₁₁NO

MW:	113.2

Purity:	≥99% (GLC)

Appearance:	White crystalline to colorless liquid.

CAS:	3317-61-1

MeltingPoint:	25-29°C

Solubility:	Soluble in water, 100% ethanol, methanol or DMSO.

Shipping:	SHIPPED ON BLUE ICE

Long Term Storage:	-20°C

Handling:	Hygroscopic. Keep under inert gas. Protect from light and moisture.

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Product Literature References

Nitric oxide, superoxide and peroxynitrite: putative mediators of NMDA-induced cell death in cerebellar granule cells: M. Lafon-Cazal, et al.; Neuropharmacology 32, 1259 (1993), Abstract;

The spin trapping of superoxide and hydroxyl free radicals with DMPO (5,5-dimethylpyrroline-N-oxide): more about iron: G.R. Buettner; Free Radic. Res. Comm. 19 Suppl 1, S79 (1993), Abstract;

Nitrone spin traps and a nitroxide antioxidant inhibit a common pathway of thymocyte apoptosis: A.F. Slater, et al.; Biochem. J. 306, 771 (1995), Abstract;

Oxygen-centered spin adducts of 5,5-dimethyl-1-pyrroline N-oxide (DMPO) and 2H-imidazole 1-oxides: A.G. Krainev, et al.; J. Magn. Reson. B. 111, 272 (1996), Abstract;

Electron spin resonance detection of extracellular superoxide anion released by cultured endothelial cells: J.P. Souchard, et al.; Free Radic. Res. 29, 441 (1998), Abstract;

Formation of reactive oxygen species by pentaerithrityltetranitrate and glyceryl trinitrate in vitro and development of nitrate tolerance: S. Dikalov, et al.; J. Pharmacol. Exp. Ther. 286, 938 (1998), Abstract; Full Text

Formation of spin trap adducts during the decomposition of peroxynitrite: R.M. Gatti, et al.; Arch. Biochem. Biophys. 349, 36 (1998), Abstract;

Generation of nitric oxide from spin-trapping agents under oxidative conditions: K. Saito, et al.; Biosci. Biotech. Biochem. 62, 275 (1998),

MDL 101,002, a free radical spin trap, is efficacious in permanent and transient focal ischemia models: M.P. Johnson, et al.; Life Sci. 63, 241 (1998), Abstract;

Superoxide generation from endothelial nitric-oxide synthase. A Ca2+/calmodulin-dependent and tetrahydrobiopterin regulatory process: Y. Xia, et al.; J. Biol. Chem. 273, 25804 (1998), Abstract; Full Text

ESR measurement of rapid penetration of DMPO and DEPMPO spin traps through lipid bilayer membranes: K. Anzai, et al.; Arch. Biochem. Biophys. 415, 251 (2003), Abstract;

A new kinetic approach to the evaluation of rate constants for the spin trapping of superoxide/hydroperoxyl radical by nitrones in aqueous media: R. Lauricella, et al.; Org. Biomol. Chem. 2, 1304 (2004), Abstract;

Hydroxyl radical generation caused by the reaction of singlet oxygen with a spin trap, DMPO, increases significantly in the presence of biological reductants: C. Nishizawa, et al.; Free Radic. Res. 38, 385 (2004), Abstract;

Assignment of the EPR spectrum of 5,5-dimethyl-1-pyrroline N-oxide (DMPO) superoxide spin adduct: J.L. Clement, et al.; J. Org. Chem. 70, 1198 (2005), Abstract;

Characterization of the high-resolution ESR spectra of superoxide radical adducts of 5-(diethoxyphosphoryl)-5-methyl-1-pyrroline N-oxide (DEPMPO) and 5,5-dimethyl-1-pyrroline N-oxide (DMPO). Analysis of conformational exchange: S. Dikalov, et al.; Free Radic. Res. 39, 825 (2005), Abstract;

Evaluation of spin trapping agents and trapping conditions for detection of cell-generated reactive oxygen species: H. Shi, et al.; Arch. Biochem. Biophys. 437, 59 (2005), Abstract;

Superoxide radical anion adduct of 5,5-dimethyl-1-pyrroline n-oxide (DMPO). 1. The thermodynamics of formation and its acidity: F.A. Villamena, et al.; J. Phys. Chem. A. Mol. Spectrosc. Kinet. Environ. Gen. Theory 109, 6083 (2005), Abstract;

Superoxide radical anion adduct of 5,5-dimethyl-1-pyrroline N-oxide (DMPO). 2. The thermodynamics of decay and EPR spectral properties: F.A. Villamena, et al.; J. Phys. Chem. A. Mol. Spectrosc. Kinet. Environ. Gen. Theory 109, 6089 (2005), Abstract;

Nitric oxide decreases the stability of DMPO spin adducts: K.J. Reszka, et al.; Nitric Oxide 15, 133 (2006), Abstract;

Immunolocalization of hypochlorite-induced, catalase-bound free radical formation in mouse hepatocytes: M.G. Bonini et al.; Free Rad. Biol. Med. 42, 530 (2007),

Immuno-spin trapping of a post-translational carboxypeptidase B1 radical formed by a dual role of xanthine oxidase and endothelial nitric oxide synthase in acute septic mice: S. Chatterjee, et al.; Free Radic. Biol. Med. 46, 454 (2009), Abstract;

Immuno-spin trapping of protein and DNA radicals: "tagging" free radicals to locate and understand the redox process: S.E. Gomez-Mejiba, et al.; Free Radic. Biol. Med. 46, 853 (2009), Abstract;