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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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28 sty 2019 · PBS or phosphate-buffered saline is a buffer solution that is particularly valuable because it mimic the ion concentration, osmolarity, and pH of human body fluids. In other words, it's isotonic to human solutions, so it's less likely to cause cell damage, toxicity, or unwanted precipitation in biological, medical, or biochemical research.
2 cze 2019 · Phosphate buffered saline (PBS) is a buffer solution that's commonly used for immunohistochemical (IHC) staining and it's often used in biological research. PBS is a water-based salt solution containing sodium hydrogen phosphate, sodium chloride and, in some cases, potassium chloride and potassium dihydrogen phosphate.
