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  2. Radioimmunoprecipitation assay buffer - Wikipedia

    en.wikipedia.org/wiki/Radioimmunoprecipitation...

    Radioimmunoprecipitation assay buffer (RIPA buffer) is a lysis buffer used to lyse cells and tissue for the radio immunoprecipitation assay (RIPA). [1] [2] This buffer is more denaturing than NP-40 or Triton X-100 because it contains the ionic detergents SDS and sodium deoxycholate as active constituents and is particularly useful for disruption of nuclear membranes in the preparation of ...

  3. Lysis buffer - Wikipedia

    en.wikipedia.org/wiki/Lysis_buffer

    RIPA buffer is a commonly used lysis buffer for immunoprecipitation and general protein extraction from cells and tissues. The buffer can be stored without vanadate at 4 °C for up to 1 year. [10] RIPA buffer releases proteins from cells as well as disrupts most weak interactions between proteins. [9] Recipe: [10] 1% (w/w) Nonidet P-40 (NP-40)

  4. Buffer solution - Wikipedia

    en.wikipedia.org/wiki/Buffer_solution

    A buffer solution is a solution where the pH does not change significantly on dilution or if an acid or base is added at constant temperature. [1] Its pH changes very little when a small amount of strong acid or base is added to it. Buffer solutions are used as a means of keeping pH at a nearly constant value in a wide variety of chemical ...

  5. Ripa - Wikipedia

    en.wikipedia.org/wiki/RIPA

    Radioimmunoprecipitation assay buffer (RIPA buffer), a radioimmunoprecipitation assay buffer; Regulation of Investigatory Powers Act 2000, a UK law governing interception of communications (information technology) Ristocetin-induced platelet aggregation, an assay for von Willebrand disease

  6. Isohydric principle - Wikipedia

    en.wikipedia.org/wiki/Isohydric_principle

    Secondly, the pH (at equilibrium) can be calculated from an individual buffer system regardless of other buffers present. That is, in vivo, knowing the concentration of pCO 2 (weak acid) and bicarbonate (conjugate base) and the pKa of that buffer system, the pH can be calculated regardless of the presence of other contributing buffers.

  7. Intracellular pH - Wikipedia

    en.wikipedia.org/wiki/Intracellular_pH

    Intracellular pH (pH i) is the measure of the acidity or basicity (i.e., pH) of intracellular fluid. The pH i plays a critical role in membrane transport and other intracellular processes. In an environment with the improper pH i , biological cells may have compromised function.

  8. 'The one I keep going back to': Kelly Ripa's secret for ... - AOL

    www.aol.com/lifestyle/one-keep-going-back-kelly...

    There was once a time when Kelly Ripa, like most of us, had just one beauty secret: youth. But as she approached her 40th birthday, the actress and TV host decided a strict anti-aging skincare ...

  9. Phosphate-buffered saline - Wikipedia

    en.wikipedia.org/wiki/Phosphate-buffered_saline

    Phosphate-buffered saline (PBS) is a buffer solution (pH ~ 7.4) commonly used in biological research. It is a water-based salt solution containing disodium hydrogen phosphate, sodium chloride and, in some formulations, potassium chloride and potassium dihydrogen phosphate. The buffer helps to maintain a constant pH.

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