It is recommended to store the product at 2–8C. Studies have not been performed on aliquots and to determine if refrigerated storage will extend the shelf life of this product. We would recommend searching the general research literature or contacting researchers who routinely use this product to see if solution stability information is available. If a recommended storage is not given in the literature, it is usually best to make solutions fresh for use. If you decide to store the aliquots at -20°C, we would recommend validating activity of the supplemented buffer after freezing and avoid any thawing/freezing cycle. Please refer to this technical bulletin: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/350/775/r0278bul.pdf
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description
protease free
form
liquid
packaging
pkg of 50 mL
pkg of 500 mL
technique(s)
immunoprecipitation (IP): suitable
color
colorless
pH
7.8-8.2 (25 °C, 1 ×)
storage temp.
2-8°C
Quality Level
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Cet article | 20-188 | 11814389001 | T9285 |
|---|---|---|---|
| technique(s) immunoprecipitation (IP): suitable | technique(s) immunoprecipitation (IP): suitable, western blot: suitable | technique(s) - | technique(s) - |
| Quality Level 200 | Quality Level - | Quality Level - | Quality Level 200 |
| form liquid | form liquid | form solution | form liquid |
| pH 7.8-8.2 (25 °C, 1 ×) | pH - | pH - | pH 7.8-8.2 (1 × in water) |
| storage temp. 2-8°C | storage temp. - | storage temp. 2-8°C | storage temp. room temp |
| color colorless | color - | color - | color - |
Application
- Phénotypage profond du tissu périphérique au moyen des fibroblastes, facilitant la stratification des troubles mécaniques dans la maladie de Parkinson sporadique[1]
- Démonstration de l'inhibition de la phosphorylation oxydative (OXPHOS) qui peut activer la nécroptose dépendante de la protéine MLKL (Mixed Lineage Kinase domain-Like protein) dans les cellules épithéliales pulmonaires humaines[2]
Features and Benefits
General description
Other Notes
Legal Information
Related product
signalword
Warning
hcodes
Hazard Classifications
Aquatic Chronic 3 - Eye Irrit. 2
Classe de stockage
12 - Non Combustible Liquids
wgk
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
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Instructions
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we bought a bottle of RIPA buffer and want to make alliquots of this bottle. Can we store the alliquots of the buffer by -20? Or is it better to keep them between 2°C-8°C ?
1 réponse-
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Is this RIPA lysis buffer capable of extracting nuclear protein in mammalian cells?
1 réponse-
Yes, RIPA buffer typically lyses cell nuclei. RIPA (Radio-Immunoprecipitation Assay) Buffer enables rapid, efficient cell lysis and solubilization of proteins from both adherent and suspension cultured mammalian cells. For more information, please see the Technical Bulletin: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/350/775/r0278bul.pdf
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Can I use R0278 for human protein extract for lymphocytes?
1 réponse-
This product has not been tested for protein extract from human lymphocytes. References using RIPA buffer with human lymphocytes can be found here:
https://www.sciencedirect.com/science/article/pii/S0021925818639675
https://www.sciencedirect.com/science/article/pii/S000887491530037X?via%3DihubUtile ?
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Can I use the Ripa Buffer to extract yeast protein and make the Bradford assay on it?
1 réponse-
RIPA (Radio-Immunoprecipitation Assay) Buffer enables rapid, efficient cell lysis and solubilization of proteins from both adherent and suspension cultured mammalian cells. For more information, please see the Technical Bulletin: https://www.sigmaaldrich.com/deepweb/assets/sigmaaldrich/product/documents/350/775/r0278bul.pdf
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How long can the RIPA buffer be stored in 4C? I stored it for almost 6 years, can I still use it?
1 réponse-
Regarding stability in the recommended temperature of 2-8 °C, this product is not assigned an expiration date or recommended retest date. Products with no expiration date or recommended retest date should be routinely inspected by customers to ensure they perform as expected. These products are also subject to a one year warranty from the date of shipment. For more information you may access the "Product Dating Information" document under "ADDITIONAL USEFUL DOCUMENTS ABOUT OUR PRODUCTS" at the bottom of the Quality Services page with this link: https://www.sigmaaldrich.com/life-science/quality-and-regulatory-management/quality-services.
Utile ?
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Can this be used for Western blot experiments?
1 réponse-
Yes, this product would be suitable for western blotting.
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Can Product R0278, RIPA buffer, be used on tissue samples, or only on cultured cells?
1 réponse-
R0278 can be used on tissue, if it is well homogenized.
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How does Product R0278, RIPA buffer, compare to Product No. C2978 (CelLytic M)?
1 réponse-
RIPA buffer contains SDS, which is considered to be a harsh detergent; it can denature many proteins. C2978 is a buffered solution (pH 7.6) that contains a mild detergent; it is non-denaturing for most proteins. The exact formulation of C2978, however, is proprietary.
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I left the bottle of Product R0278, RIPA buffer, on my bench for about a week. Can I still use it?
1 réponse-
Yes, you should be able to use this product. Although we recommend storage in the refrigerator at 2-8°C for long-term storage, Product No. R0278 may be kept at ambient temperature (our normal shipping condition) for a short time (approximately 2 weeks).
Utile ?
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Does Product R0278, RIPA buffer, contain any protease inhibitors or phosphatase inhibitors?
1 réponse-
This buffer does not contain any protease or phosphatase inhibitors, however, they may be added to insure against possible proteolysis.
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