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OCR A Biology

Enzymes Cheaper Immobalised Expensive Easily Advantages Disadvantages Reused

Immobilized enzymes are reusable, reduce downstream processing costs, and have greater temperature tolerance, but are less efficient and require more expensive bioreactors.

Enzimas imobilizadas são reutilizáveis, reduzem o custo de processamento downstream e têm maior tolerância à temperatura, mas são menos eficientes e requerem biorreatores mais caros.

Front advantages and disadvantages of immobalised enzymes
Back
advantages;
  • reused so cheaper (immobalised enzymes held stationary so recovered and reused)
  • less downstream processing (as easily seperated from reactants/products and doesnt contaminate product) so cheaper
  • greater temp tolerance (denatures less easily in heat and have wider range of optimum temps, so cheaper to run bioreactor)
disadvantages;
  • less efficient (rate of activity lower)
  • higher initial cost of raw materials (immobalised more expensive but enzymes dont need replacing frequently)
  • bioreactor expensive (immobalised need more expensive bioreactors rather than typical fermentors)

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