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Additional recommended knowledge
In 1916 Nelson and Griffin discovered that invertase “exhibited the same activity when absorbed on a solid (charcoal or aluminium hydroxide) at the bottom of the reaction vessel as when uniformly distributed throughout the solution”. This discovery was the first of various enzyme immobilization techniques currently available.
Besides absorption, different covalent methods of enzyme immobilization were developed in the 1950s and 1960s. Up to now, more than 5000 publications and patents have been published on enzyme immobilization techniques. Several hundred enzymes have been immobilized in different forms and approximately a dozen immobilized enzymes, for example penicillin G acylase, lipases, proteases, invertase, etc. have been used as catalysts in various large scale processes.
Immobilised enzymes are very important for commercial uses as they possess many benefits to the expenses and processes of the reaction of which include:
Immobilisation of an Enzyme
There are three different ways in which one can immobilise an enzyme which are the following, and are listed in order of effectiveness:
|This article is licensed under the GNU Free Documentation License. It uses material from the Wikipedia article "Immobilized_enzyme". A list of authors is available in Wikipedia.|