MAK187
Total Antioxidant Capacity Assay Kit
Sufficient for 100 Colorimetric tests
Sinónimos:
TAC Assay Kit
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About This Item
Código UNSPSC:
12161503
NACRES:
NA.84
Productos recomendados
uso
sufficient for 100 colorimetric tests
aplicaciones
cosmetics
environmental
food and beverages
método de detección
colorimetric
enfermedades relevantes
endocrinological disorders, diabetes; neurological disorders; cancer; cardiovascular diseases; rheumatological diseases
temp. de almacenamiento
2-8°C
Descripción general
Oxidants, such as reactive oxygen species (ROS) and reactive nitrogen species (RNS), can generate free radicals that can cause severe oxidative damage to cellular lipids, membranes, proteins, and DNA. Antioxidants can scavenge these free radicals and prevent cellular oxidative stress by enzymatic andnon-enzymatic mechanisms. Enzyme systems that function as antioxidants include catalase and peroxidase. Tocopherols, carotenes, vitamin A, and ubiquinols function as lipid-soluble antioxidants; whereas, glutathione and ascorbate are some of the water-soluble antioxidants. Measurement of the total non-enzymatic antioxidant capacity (TAC) of biological samples is indicative of their ability to counteract oxidative stress-induced damage in cells. TAC is used to provide insights into the development and treatment of oxidative-stress related disorders.
In the Total Antioxidant Capacity Assay Kit, either the concentration of the combination of both small molecule and protein antioxidants, or the concentration of only small molecule antioxidants can be determined. Cu2+ ion is converted to Cu+ by both small molecules and proteins. However, the use of the Protein Mask prevents Cu2+ reduction by protein, enabling the analysis of only the small molecule antioxidants. The reduced Cu+ ion chelates with a colorimetric probe, giving a broad absorbance peak at ~570 nm, which is proportional to the total antioxidant capacity. The kit gives antioxidant capacity in Trolox equivalents (ranging from 4-20 nmole/well). Trolox, a water-soluble vitamin E analog, serves as an antioxidant standard.
In the Total Antioxidant Capacity Assay Kit, either the concentration of the combination of both small molecule and protein antioxidants, or the concentration of only small molecule antioxidants can be determined. Cu2+ ion is converted to Cu+ by both small molecules and proteins. However, the use of the Protein Mask prevents Cu2+ reduction by protein, enabling the analysis of only the small molecule antioxidants. The reduced Cu+ ion chelates with a colorimetric probe, giving a broad absorbance peak at ~570 nm, which is proportional to the total antioxidant capacity. The kit gives antioxidant capacity in Trolox equivalents (ranging from 4-20 nmole/well). Trolox, a water-soluble vitamin E analog, serves as an antioxidant standard.
Aplicación
Total antioxidant capacity assay kit has been used to determine total antioxidant capacity of leaf tissue samples.
Idoneidad
This kit is suitable for the detection of small molecule and protein antioxidants in cell and tissue lysates, media, or in biological fluids such as urine, plasma, and serum.
Principio
In the Total Antioxidant Capacity Assay Kit, either the concentration of the combination of both small molecule and protein antioxidants, or the concentration of only small molecule antioxidants can be determined. Cu2+ ion is converted to Cu+ by both small molecules and proteins. However, the use of the Protein Mask prevents Cu2+ reduction by protein, enabling the analysis of only the small molecule antioxidants. The reduced Cu+ ion chelates with a colorimetric probe, giving a broad absorbance peak at ~570 nm, which is proportional to the total antioxidant capacity. The kit gives antioxidant capacity in Trolox equivalents (ranging from 4-20 nmole/well). Trolox, a water-soluble vitamin E analog, serves as an antioxidant standard.
Solo componentes del kit
Referencia del producto
Descripción
- Cu2+ Reagent
- Assay Diluent
- Protein Mask
- Trolox Standard, 1 μmole
sustituido por
Referencia del producto
Descripción
Precios
Palabra de señalización
Danger
Frases de peligro
Consejos de prudencia
Clasificaciones de peligro
Aquatic Acute 1 - Aquatic Chronic 1 - Eye Dam. 1
Código de clase de almacenamiento
10 - Combustible liquids
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