Bioprocessing with Immobilised Cells (Leaving Cert Biology): Flashcards
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Bioprocessing w/ immobilised cells
Bioprocessing w/ immobilised cells
Using immobilised cells for enzyme-controlled reactions
Immobilised enzyme definition
Immobilised enzyme definition
Enzyme attached to an inert material
First substance mixed with cells to immobilise
First substance mixed with cells to immobilise
Sodium alginate
Substance that forms beads around cells
Substance that forms beads around cells
Calcium chloride
What beads do to cells
What beads do to cells
Immobilise cells while allowing substrates/products through
What do pores allow to enter
What do pores allow to enter
Substrates
Why cells can't pass through pores
Why cells can't pass through pores
Pores are too small for cells
Use of immobilised E. coli
Use of immobilised E. coli
Water treatment to detoxify sewage
Stability advantage of immobilised cells
Stability advantage of immobilised cells
Cells remain very stable
Separation advantage of immobilised cells
Separation advantage of immobilised cells
Easily separated from products
Reusability of immobilised cells
Reusability of immobilised cells
Can be reused many times
Advantage of immobilised cells over enzymes
Advantage of immobilised cells over enzymes
Enzymes more difficult & expensive to prepare
Example products from immobilised cells
Example products from immobilised cells
Biogas, vitamins, drugs, amino acids, enzymes