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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 majority of biological samples that are used in research are kept in a buffer solution, often phosphate buffered saline (PBS) at pH 7.4. In industry, buffering agents are used in fermentation processes and in setting the correct conditions for dyes used in colouring fabrics. They are also used in chemical analysis [5] and calibration of pH ...
All buffering agents achieve their function because they contain an acidic group (acetate, phosphate, sulphonate ..) or a basic group (amino, pyridyl ..). A consequence of this is that they can form complexes with the biologically important ions Na +, K +, Mg 2+ and Ca 2+ and can compete for the metal ion contained in a metalloprotein. In fact ...
Dulbecco's phosphate-buffered saline, a buffer solution used in biological research DPBS (CONFIG.SYS directive) , a configuration directive in DOS Topics referred to by the same term
Phosphate Buffered Saline (PBS) or other appropriate diluent. Bacterial suspension or homogenate. Method. The inoculum / suspension is serially diluted by adding 1x of suspension to 9x of diluent. When the quantity of bacteria is unknown, dilutions should be made to at least 10 −8.
Vascular corrosion casting requires the use of a solidifying material such as a resin. The most common resin used for vascular corrosion casting is Batson's 17. [2] The process begins with the draining of blood from vessels to prevent blockage from clotting, this can be achieved by perfusing blood vessels with a physiological fluid such as phosphate buffered saline. [3]
A category for buffering agents and buffer solutions made with them. Wikimedia Commons has media related to Buffers (chemical) . Pages in category "Buffer solutions"
Hanks' salts is a collective group of salts rich in bicarbonate ions, formulated in 1940 by the microbiologist John H. Hanks. [1] Typically, they are used as a buffer system in cell culture media and aid in maintaining the optimum physiological pH (roughly 7.0–7.4) for cellular growth.