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Highly Selective Separations in Biotechnology (Paperback, Softcover reprint of the original 1st ed. 1994)
Loot Price: R5,414
Discovery Miles 54 140
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Highly Selective Separations in Biotechnology (Paperback, Softcover reprint of the original 1st ed. 1994)
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Success in meeting the challenge to produce the commercial products
anticipated by the exploitation of biological processes depends
upon provid ing effective separation protocols. Effectiveness can
be measured in terms of selectivity, purity, resolution and
validatory success. The major processing problems are associated
with either the selective recovery of molecules which are present
in low concentrations from complex mixtures or the selective
removal of contaminants from the desired molecule. Central to the
evolution of processes satisfying this demand are the regulatory
requirements being imposed by governments on the purity of a
product, especially in the health care market. Synthetic organic
chemists are increasingly finding it advantageous to conduct one or
more steps using either enzymic biotransformations where molecules
with a single and consistent stereochemistry or chirality are
required. The underlying princi ples behind the methods, techniques
and processes currently being used and developed commercially rely
upon the biospecific nature and properties of the desired molecule.
When these factors are married to the more traditional techniques
of precipitation, chromatography, liquid-liquid extraction and
membrane processes, powerful tools emerge, allowing highly
selective separations to be designed. The logical extension of
these combinations is to apply genetic engineering techniques to
influence the separations at a more fundamental and structural
level by modifying the target protein at source, during its
synthesis, to facilitate its separation in a given, selective
manner, leading to the distinct possibility of producing 'designer'
separation programmes."
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