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Modification of Nanoscale Structure of
Fiber Surfaces
−Immobilization of Enzymes on the Surface of Fabrics−
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| Keisuke MORITA, Jun KAMITANI and Takashi YAMAMOTO |
A method for immobilization of enzymes on the surface of a polyester(PET)
fabric sample was investigated. The PET sample used in this study was
pre-treated in an ethylenediamine water solution, and then soaked in an
invertase water solution to immobilize the invertase on its surface. To
evaluate the durability of immobilized invertase, the survival rate of
active enzymes on the surface of the sample was examined under the following
conditions; (1)The invertase-immobilized PET sample was washed repeatedly,
(2)the sample was soaked continuously in a substrate solution that was
constantly replenished, (3)the sample was soaked in a substrate solution
to which a surfactant was added. The relation between the activity of
immobilized enzymes and the time of washing, reaction time, temperature
and concentration of surfactant was clarified.
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Keywords ■■■ |
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polyester, fiber, enzyme, immobilization |
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