Bioprocessing with Immobilised Cells

Question	Answer
Bioprocessing	use of enzyme controlled reactions to produce a product
Immobilising Cells	bonded to each other, bonded or attached to an insoluble support, or enclosed in a gel or membrane
More Recent Immobilising techniques	trapping the cells in a gel
Gel used in Alcohol production	yeast cells are mixed with sodium alginate
Immobilising the yeast cells using in production of alcohol	Beads of this mixture are soaked in calcium chloride, which causes the alginate to enclose and immobilise the yeast cells.
Molecules able to pass through the gel pores	Sucrose
Molecules able to leave the pores of the gel	Glucose
Molecule unable to leave the pores of the gel	Yeast the pores are too small
Advantage of Immobilisation	Gentle process - does not damage the cell
Advantage of immobilisation technique	Easy to recover the cells
Products from bioprocessing using immobilised cells	artificial antibiotics, fertilisers, steroids

Resource summary

	Created by jill.examtime over 10 years ago

	Copied by daniel.praecox over 10 years ago