Physical & Chemical Indicators

Endotoxins are lipopolysaccharide molecules located in the cell wall of gram-negative bacteria. Endotoxins are not secreted by the bacteria, but

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Osmotic pressure is the minimum pressure which needs to be applied to a solution to prevent the inward flow of its pure solvent across a semipermeable membrane. It is

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A measure of acidity or alkalinity of water soluble substances (pH stands for ‘potential of Hydrogen’). A pH value is

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