Abstract
The enzyme α-amylase was immobilized on montmorillonite K-10 via adsorption and covalent bonding. These two modes of attachment play a vital role in the leaching of enzyme. Covalent bonding retains most of the enzyme even at high loadings. The significance of temperature has also been established. Higher temperatures lead to severe leaching in case of adsorbed enzyme. Covalent linkage, being of higher strength, does not yield to enzyme leaching even at high temperatures.
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