Microencapsulation of yeast cells and their use as a biocatalyst in organic solvents
Stable, semipermeable polyamide microcapsules were prepared by interfacial polymerization from a mixture of 1,6-hexanediamine and poly(allylamine) crosslinked with di-acid chlorides and were used to encapsulate baker's yeast. The size and distribution of cells within the capsules were investiga...
Ausführliche Beschreibung
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E-Artikel |
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Sprache: |
Englisch |
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1996 |
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Umfang: |
5 Ill. ; 2 Tab. 9 |
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Reproduktion: |
Wiley InterScience Backfile Collection 1832-2000 |
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Übergeordnetes Werk: |
in: Biotechnology and Bioengineering - New York, NY [u.a.] : Wiley, 49(1996) vom: Mai, Seite 535-543 |
Übergeordnetes Werk: |
volume:49 ; year:1996 ; month:05 ; pages:535-543 ; extent:9 |
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NLEJ159665329 |
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(DE-627)NLEJ159665329 DE-627 ger DE-627 rakwb eng Microencapsulation of yeast cells and their use as a biocatalyst in organic solvents 1996 5 Ill. 2 Tab. 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Stable, semipermeable polyamide microcapsules were prepared by interfacial polymerization from a mixture of 1,6-hexanediamine and poly(allylamine) crosslinked with di-acid chlorides and were used to encapsulate baker's yeast. The size and distribution of cells within the capsules were investigated by a combination of laser confocal, electron scanning, and transmission electron microscopy. The encapsulated cells were studied as a biocatalyst for the model reduction of 1-phenyl-1,2-propanedione to 2-hydroxy-1-phenyl-1-propanone in a number of organic solvents. The polymerization conditions were extensively investigated and were found to greatly influence the product yield. Microencapsulated yeast cells, prepared under optimized conditions, carried out the reduction more efficiently than free cells as well as those immobilized in alginate and κ-carrageenan beads. The developed methodology should be broadly applicable to other biotransformations of interest. © 1996 John Wiley & Sons, Inc. Wiley InterScience Backfile Collection 1832-2000 Green, K. D. oth Gill, I. S. oth Khan, J. A. oth Vulfson, E. N. oth in Biotechnology and Bioengineering New York, NY [u.a.] : Wiley 49(1996) vom: Mai, Seite 535-543 (DE-627)NLEJ159070678 (DE-600)1480809-2 0006-3592 nnns volume:49 year:1996 month:05 pages:535-543 extent:9 http://dx.doi.org/10.1002/(SICI)1097-0290(19960305)49:5<535::AID-BIT6>3.0.CO;2-K text/html Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-WIS GBV_NL_ARTICLE AR 49 1996 5 535-543 9 |
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(DE-627)NLEJ159665329 DE-627 ger DE-627 rakwb eng Microencapsulation of yeast cells and their use as a biocatalyst in organic solvents 1996 5 Ill. 2 Tab. 9 nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Stable, semipermeable polyamide microcapsules were prepared by interfacial polymerization from a mixture of 1,6-hexanediamine and poly(allylamine) crosslinked with di-acid chlorides and were used to encapsulate baker's yeast. The size and distribution of cells within the capsules were investigated by a combination of laser confocal, electron scanning, and transmission electron microscopy. The encapsulated cells were studied as a biocatalyst for the model reduction of 1-phenyl-1,2-propanedione to 2-hydroxy-1-phenyl-1-propanone in a number of organic solvents. The polymerization conditions were extensively investigated and were found to greatly influence the product yield. Microencapsulated yeast cells, prepared under optimized conditions, carried out the reduction more efficiently than free cells as well as those immobilized in alginate and κ-carrageenan beads. The developed methodology should be broadly applicable to other biotransformations of interest. © 1996 John Wiley & Sons, Inc. Wiley InterScience Backfile Collection 1832-2000 Green, K. D. oth Gill, I. S. oth Khan, J. A. oth Vulfson, E. N. oth in Biotechnology and Bioengineering New York, NY [u.a.] : Wiley 49(1996) vom: Mai, Seite 535-543 (DE-627)NLEJ159070678 (DE-600)1480809-2 0006-3592 nnns volume:49 year:1996 month:05 pages:535-543 extent:9 http://dx.doi.org/10.1002/(SICI)1097-0290(19960305)49:5<535::AID-BIT6>3.0.CO;2-K text/html Deutschlandweit zugänglich GBV_USEFLAG_U ZDB-1-WIS GBV_NL_ARTICLE AR 49 1996 5 535-543 9 |
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Microencapsulation of yeast cells and their use as a biocatalyst in organic solvents |
abstract |
Stable, semipermeable polyamide microcapsules were prepared by interfacial polymerization from a mixture of 1,6-hexanediamine and poly(allylamine) crosslinked with di-acid chlorides and were used to encapsulate baker's yeast. The size and distribution of cells within the capsules were investigated by a combination of laser confocal, electron scanning, and transmission electron microscopy. The encapsulated cells were studied as a biocatalyst for the model reduction of 1-phenyl-1,2-propanedione to 2-hydroxy-1-phenyl-1-propanone in a number of organic solvents. The polymerization conditions were extensively investigated and were found to greatly influence the product yield. Microencapsulated yeast cells, prepared under optimized conditions, carried out the reduction more efficiently than free cells as well as those immobilized in alginate and κ-carrageenan beads. The developed methodology should be broadly applicable to other biotransformations of interest. © 1996 John Wiley & Sons, Inc. |
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Stable, semipermeable polyamide microcapsules were prepared by interfacial polymerization from a mixture of 1,6-hexanediamine and poly(allylamine) crosslinked with di-acid chlorides and were used to encapsulate baker's yeast. The size and distribution of cells within the capsules were investigated by a combination of laser confocal, electron scanning, and transmission electron microscopy. The encapsulated cells were studied as a biocatalyst for the model reduction of 1-phenyl-1,2-propanedione to 2-hydroxy-1-phenyl-1-propanone in a number of organic solvents. The polymerization conditions were extensively investigated and were found to greatly influence the product yield. Microencapsulated yeast cells, prepared under optimized conditions, carried out the reduction more efficiently than free cells as well as those immobilized in alginate and κ-carrageenan beads. The developed methodology should be broadly applicable to other biotransformations of interest. © 1996 John Wiley & Sons, Inc. |
abstract_unstemmed |
Stable, semipermeable polyamide microcapsules were prepared by interfacial polymerization from a mixture of 1,6-hexanediamine and poly(allylamine) crosslinked with di-acid chlorides and were used to encapsulate baker's yeast. The size and distribution of cells within the capsules were investigated by a combination of laser confocal, electron scanning, and transmission electron microscopy. The encapsulated cells were studied as a biocatalyst for the model reduction of 1-phenyl-1,2-propanedione to 2-hydroxy-1-phenyl-1-propanone in a number of organic solvents. The polymerization conditions were extensively investigated and were found to greatly influence the product yield. Microencapsulated yeast cells, prepared under optimized conditions, carried out the reduction more efficiently than free cells as well as those immobilized in alginate and κ-carrageenan beads. The developed methodology should be broadly applicable to other biotransformations of interest. © 1996 John Wiley & Sons, Inc. |
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The size and distribution of cells within the capsules were investigated by a combination of laser confocal, electron scanning, and transmission electron microscopy. The encapsulated cells were studied as a biocatalyst for the model reduction of 1-phenyl-1,2-propanedione to 2-hydroxy-1-phenyl-1-propanone in a number of organic solvents. The polymerization conditions were extensively investigated and were found to greatly influence the product yield. Microencapsulated yeast cells, prepared under optimized conditions, carried out the reduction more efficiently than free cells as well as those immobilized in alginate and κ-carrageenan beads. The developed methodology should be broadly applicable to other biotransformations of interest. © 1996 John Wiley & Sons, Inc.</subfield></datafield><datafield tag="533" ind1=" " ind2=" "><subfield code="f">Wiley InterScience Backfile Collection 1832-2000</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Green, K. D.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Gill, I. S.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Khan, J. A.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="700" ind1="1" ind2=" "><subfield code="a">Vulfson, E. N.</subfield><subfield code="4">oth</subfield></datafield><datafield tag="773" ind1="0" ind2="8"><subfield code="i">in</subfield><subfield code="t">Biotechnology and Bioengineering</subfield><subfield code="d">New York, NY [u.a.] : Wiley</subfield><subfield code="g">49(1996) vom: Mai, Seite 535-543</subfield><subfield code="w">(DE-627)NLEJ159070678</subfield><subfield code="w">(DE-600)1480809-2</subfield><subfield code="x">0006-3592</subfield><subfield code="7">nnns</subfield></datafield><datafield tag="773" ind1="1" ind2="8"><subfield code="g">volume:49</subfield><subfield code="g">year:1996</subfield><subfield code="g">month:05</subfield><subfield code="g">pages:535-543</subfield><subfield code="g">extent:9</subfield></datafield><datafield tag="856" ind1="4" ind2="0"><subfield code="u">http://dx.doi.org/10.1002/(SICI)1097-0290(19960305)49:5<535::AID-BIT6>3.0.CO;2-K</subfield><subfield code="q">text/html</subfield><subfield code="z">Deutschlandweit zugänglich</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_USEFLAG_U</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">ZDB-1-WIS</subfield></datafield><datafield tag="912" ind1=" " ind2=" "><subfield code="a">GBV_NL_ARTICLE</subfield></datafield><datafield tag="951" ind1=" " ind2=" "><subfield code="a">AR</subfield></datafield><datafield tag="952" ind1=" " ind2=" "><subfield code="d">49</subfield><subfield code="j">1996</subfield><subfield code="c">5</subfield><subfield code="h">535-543</subfield><subfield code="g">9</subfield></datafield></record></collection>
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