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ALDetect™ Lipid Peroxidation assay kit

BML-AK170-0001 100 tests 778.00 USD
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Lipid peroxidation is a well-established mechanism of cellular injury in both plants and animals, and is used as an indicator of oxidative stress in cells and tissues. Lipid peroxides are unstable and decompose to form a complex series of compounds including reactive aldehydes. Polyunsaturated fatty acid peroxides generate malondialdehyde (MDA) and 4-hydroxyalkenals (HAE) upon decomposition. Measurement of malondialdehyde and 4-hydroxyalkenals has been used as an indicator of lipid peroxidation.The BML-AK170 assay is designed to measure either MDA alone (in hydrochloric acid) or MDA in combination with 4-hydroxyalkenals (in methanesulfonic acid). The BML-AK170 assy is based on the reaction of a chromogenic reagent, N-methyl-2-phenylindole with MDA and 4-hydroxyalkenals to yield a stable chromophore with maximal absorbance at 586 nm.
ALDetect™ Lipid Peroxidation assay kit image

Fig:The AK-170 assay is based on the reaction of a chromogenic reagent, N-methyl-2-phenylindole (R1), with MDA and 4-hydroxyalkenals at 45°C. One molecule of either MDA or 4-hydroxyalkenal reacts with 2 molecules of reagent R1 to yield a stable chromophore with maximal absorbance at 586 nm. For simultaneous determination of MDA and 4-hydroxyalkenals, one must use the procedure utilizing methanesulfonic acid (MSA) as the acid solvent. The procedure in which HCl is used will only detect MDA, since the 4-hydroxyalkenals do not form a chromophore with reagent R1 under those conditions.MDA: R = OH, 4-hydroxyalkenal: R = hydroxyalkyl. λmax = 586max nm

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ALDetect™ Lipid Peroxidation assay kit image

Product Details

Applications:Colorimetric detection
Use/Stability:Do not allow the capped reagent bottles to sit at room temperature for long periods of time. When not in use, place the bottles at 4°C. Reagent R2, methanesulfonic acid (MSA), freezes at 19°C or colder. This reagent does not need to be refrigerated, but, if it is stored with the rest of the assay kit at 2-8°C, it may easily be thawed by leaving at room temperature for a few hours prior to use. If reagents are handled and stored properly as described above, they are stable until the indicated expiration date.
Handling:Do not freeze.
Shipping:Blue Ice Not Frozen - Dangerous Good
Long Term Storage:+4°C

Reagent R1 (Prod. No. BML-KI527)(3x18 ml; N-methyl-2-phenylindole, in acetonitrile) Storage: 4°C
Reagent R2 (Prod. No. BML-KI528)(16.5 ml; conc. methanesulfonic acid) Storage: 4°C
MDA Standard (Prod. No. BML-KI529)(1ml; 1,1,3,3-tetramethoxypropane (TMOP) in TRIS-hydrochloric acid) Storage: 4°C
Diluent (Prod. No. BML-KI533)(30ml; ferric iron in methanol) Storage: 4°C

Regulatory Status:RUO - Research Use Only

Product Literature References

Membrane Lipids in the Thyroid Comparing to Those in Non-Endocrine Tissues Are Less Sensitive to Pro-Oxidative Effects of Fenton Reaction Substrates: J. Stępniak, et al.; Front. Mol. Biosci. 9, 901062 (2022), Abstract;
Sorafenib versus Lenvatinib Causes Stronger Oxidative Damage to Membrane Lipids in Noncancerous Tissues of the Thyroid, Liver, and Kidney: Effective Protection by Melatonin and Indole-3-Propionic Acid: J. Stepniak, et al.; Biomedicines 10, 2890 (2022), Abstract;
Tachycardiomyopathy entails a dysfunctional pattern of interrelated mitochondrial functions: M.G. Paulus, et al.; Basic Res. Cardiol. 117, 45 (2022), Abstract;
Super-Resolution Microscopy Reveals an Altered Fibrin Network in Cirrhosis: The Key Role of Oxidative Stress in Fibrinogen Structural Modifications: M. Becatti, et al.; Antioxidants (Basel) 9, E737 (2020), Abstract; Full Text
Cholesterol-Targeted Anticancer and Apoptotic Effects of Anionic and Polycationic Amphiphilic Cyclodextrin Nanoparticles: G. Varan, et al.; J. Pharm. Sci. 105, 3172 (2016), Abstract;
Increased sensitivity of African American triple negative breast cancer cells to nitric oxide-induced mitochondria-mediated apoptosis: L. Martinez, et al.; BMC Cancer 16, 559 (2016), Application(s): Measurements of malondialdehyde and 4-hydroxy-alkenals, Abstract; Full Text
Protective effects of Iranian Achillea wilhelmsii essential oil on acetaminophen-induced oxidative stress in rat liver: A. Sadkhah, et al.; Pharm. Biol. 53, 220 (2015), Abstract;
Estrogen-provided cardiac protection following burn trauma is mediated through a reduction in mitochondria-derived DAMPs: X. Yao, et al.; Am. J. Physiol. Heart Circ. Physiol. 306, H882 (2014), Abstract;
Effect of L-cysteine on remote organ injury in rats with severe acute pancreatitis induced by bile-pancreatic duct obstruction: L.J. Yang, et al.; Hepatobiliary Pancreat. Dis. Int. 12, 428 (2013), Abstract;

General Literature References

Comparison of melatonin versus vitamin C on oxidative stress and antioxidant enzyme activity in Alzheimer’s disease induced by okadaic acid in neuroblastoma cells: P. Montilla-Lopez, et al.; Eur. J. Pharmacol. 451, 237 (2002), Abstract;
Lipid peroxidation in the skeletal muscle of hamsters with emphysema: J.P. Mattson, et al.; Pathophysiology 8, 215 (2002), Abstract;
Characterization of the protective effects of melatonin and related indoles against alpha-naphthylisothiocyanate-induced liver injury in rats: J.R. Calvo, et al.; J. Cell. Biochem. 80, 461 (2001), Abstract;
Fibrillar islet amyloid polypeptide differentially affects oxidative mechanisms and lipoprotein uptake in correlation with cytotoxicity in two insulin-producing cell lines: S. Janciauskiene & B. Ahren; Biochem. Biophys. Res. Commun. 267, 619 (2000), Abstract;
Assay of aldehydes from lipid peroxidation: gas chromatography-mass spectrometry compared to thiobarbituric acid: J. Liu, et al.; Anal. Biochem. 245, 161 (1997), Abstract;
N.A. Botsoglou ; J. Agric. Food Chem. 42, 1931 (1994),
Chemistry and biochemistry of 4-hydroxynonenal, malonaldehyde and related aldehydes: H. Esterbauer, et al.; Free Radic. Biol. Med. 11, 81 (1991), Abstract;
Free and bound malondialdehyde measured as thiobarbituric acid adduct by HPLC in serum and plasmaa: M.A. Carbonneau, et al.; Clin. Chem. 37, 1423 (1991), Abstract;
Determination of malondialdehyde by ion-pairing high-performance liquid chromatography: A.W. Bull, et al.; Anal. Biochem. 149, 284 (1985), Abstract;

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