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MAK094

Sigma-Aldrich

Protein Carbonyl Content Assay Kit

sufficient for 100 colorimetric tests

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About This Item

UNSPSC Code:
12161503
NACRES:
NA.84
Pricing and availability is not currently available.

usage

sufficient for 100 colorimetric tests

detection method

colorimetric

relevant disease(s)

cardiovascular diseases; neurological disorders; cancer; gastrointestinal diseases

storage temp.

2-8°C

General description

Oxidative stress results when the effectiveness of antioxidant defenses is insufficient to deal with the production of reactive oxygen species (ROS). ROS can induce damage to DNA, lipids, and proteins. The oxidation of proteins results in the production of stable carbonyl groups, which can be used as a measure of oxidative injury.

Application

Protein carbonyl content assay kit has been used to determine protein carbonyl concentration.[1][2][3][4][5]

Suitability

Suitable for quantifying carbonyls in protein samples

Principle

The Protein Carbonyl Content Assay Kit provides a simple and direct procedure for measuring carbonyl content in a variety of biological samples. Carbonyl content is determined by the derivatization of protein carbonyl groups with 2,4-dinitrophenylhydrazine (DNPH) leading to the formation of stable dinitrophenyl (DNP) hydrazone adducts, which can be detected spectrophotometrically at 375 nm, proportional to the carbonyls present.

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Description
Pricing

Signal Word

Danger

Hazard Classifications

Acute Tox. 4 Oral - Aquatic Acute 1 - Aquatic Chronic 1 - Carc. 2 - Eye Dam. 1 - Met. Corr. 1 - Muta. 2 - Skin Corr. 1 - STOT SE 3

Target Organs

Respiratory system

Storage Class Code

8A - Combustible corrosive hazardous materials


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Melissa M Miranda-Cruz et al.
Comparative biochemistry and physiology. Toxicology & pharmacology : CBP, 213, 19-26 (2018-07-25)
Hypoxia inducible factor-1 (HIF-1) is a transcriptional factor that induces genes involved in glucose metabolism. HIF-1 is formed by a regulatory α-subunit (HIF-1α) and a constitutive β-subunit (HIF-1β). The white spot syndrome virus (WSSV) induces a shift in glucose metabolism
Effects of chilled-then-frozen storage (up to 52 weeks) on an indicator of protein oxidation and indices of protein degradation in lamb M. longissimus lumborum.
Coombs CE, et al.
Meat Science, 135, 134-141 (2018)
Benjamin W B Holman et al.
Meat science, 139, 171-178 (2018-02-11)
Different chilled (~0.1 °C for up to 5 weeks) then frozen storage (up to 12 months) combinations and two frozen storage holding temperatures (-12 °C and -18 °C) effects on beef M. longissimus lumborum (LL) protein structure degradation and a marker of protein oxidation were
UV?B radiation interacts with temperature to determine animal performance.
Ghanizadeh-Kazerouni E, et al.
Functional Ecology, 30(4), 584-595 (2016)
Mohammad Arif et al.
Toxicology and industrial health, 34(4), 213-218 (2018-03-10)
Lead exposure can damage cells directly by effecting DNA or indirectly by modifying proteins and enzymes. In Bangladesh, many working children are exposed to a very high level of lead during their early life due to their involvement with lead-oriented

Questions

  1. Could you please provide information on the type of buffer to use for isolating proteins from insect tissue in a way that will preserve the carbonylation for the MAK094-1KT Protein Carbonyl Content Assay Kit? Additionally, do you anticipate any adverse effects from Decolor paint pens on the cuticle of the insect tissue sample?

    1 answer
    1. It is recommended to homogenize cells using mechanical cell disruption in water only, as common buffer components can interfere with the protein carbonyl content of the sample. If the protein is very dilute, it can be concentrated using a 10 kDa spin filter. For the assay, it is advised to use 100 µL of sample containing approximately 0.5-2 mg protein and include a reagent background control by using 100 µL of dH2O alone. Regarding the impact of xylenes on this assay, it would need to be confirmed empirically.

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