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Which of the following is not an example of adsorbent?

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in Enzyme Technology by (55.0k points)
Which of the following is not an example of adsorbent?

(a) Clay

(b) Sepharose

(c) Porous carbon

(d) Ion-exchange matrices

I had been asked this question during an internship interview.

The query is from Methods of Immobilization in portion Immobilized Enzymes Preparation and Kinetics of Enzyme Technology

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Best answer
The correct choice is (b) Sepharose

To elaborate: The method in which the enzyme is bound to suitable adsorbent material rendering it immobile is called adsorption and the matrix used is called adsorbents. Examples of suitable adsorbents are porous carbon, clays, hydrous metal oxides, glasses and polymeric aromatic resins, ion-exchange matrices etc. Sepharose is the matrix used in immobilization by covalent binding.

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