Selection of the immobilization support
Derivatives were prepared using high activated supports with the objective of achieving an intense multipoint covalent attachment or an intense adsorption [10,15]. Through titration of the remaining sodium periodate, an activation degree of 106 micromoles of glyoxyl groups mL−1 packed agarose beads was determined. Therefore, we can assume that each enzyme molecule has many reactive groups under its surface after immobilization. If the enzyme interacts with the supports through many points, enzyme stability by their three-dimensional structure “rigidification” may be obtained [10,31].