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cork insert
Aminoglycoside antibiotics are composed of amino groups attached to glycosides
including water loss or freezing temperatures
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HEPES free acid Unit:250g cork insertHEPES is a buffering agent used in biochemistry and molecular biology. It is a zwitterionic, piperazinic buffer that is useful for a pH range of 6. 8 8. 2. HEPES lacks the ability to form a significant complex with most metal ions and is recommended for use as a non coordinating buffer in solutions with metal ions. It is commonly used in cell culture media and as an ampholytic separator to create a pH gradient in isoelectric focusing. HEPES interferes
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