protein encapsulation;
polyelectrolytes;
ultrathin organic films;
protein aggregates;
microcapsules;
colloid;
protein release;
D O I:
10.1002/bit.1184
中图分类号:
Q81 [生物工程学(生物技术)];
Q93 [微生物学];
学科分类号:
071005 ;
0836 ;
090102 ;
100705 ;
摘要:
A novel method of protein encapsulation is proposed. Preformed protein aggregates are covered with polyelectrolyte layers by means of layer-by-layer adsorption. The polyelectrolyte membrane prevents protein leakage out of the capsule. Using chymotrypsin as a model enzyme the capsule wall selective permeability was demonstrated for substrates and inhibitors of different molecular weight and solubility. (C) 2001 John Wiley & Sons, Inc.
机构:
Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USAMichigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
Mehrotra, Sumit
Lynam, Daniel
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Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USAMichigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
Lynam, Daniel
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Maloney, Ryan
Pawelec, Kendell M.
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机构:
Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USAMichigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
Pawelec, Kendell M.
Tuszynski, Mark H.
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机构:
Univ Calif San Diego, Dept Neurosci, La Jolla, CA 92093 USAMichigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
Tuszynski, Mark H.
Lee, Ilsoon
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Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USAMichigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
Lee, Ilsoon
Chan, Christina
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机构:
Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
Michigan State Univ, Dept Biochem & Mol Biol, E Lansing, MI 48824 USAMichigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
Chan, Christina
Sakamoto, Jeffrey
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Michigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USAMichigan State Univ, Dept Chem Engn & Mat Sci, E Lansing, MI 48824 USA
机构:
Yunnan Inst Prod Qual Supervis & Inspect, Kunming 650223, Peoples R China
Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Peoples R ChinaYunnan Inst Prod Qual Supervis & Inspect, Kunming 650223, Peoples R China
Wang, Shixing
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Zhou, Yang
Niu, Hua
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Yunnan Inst Prod Qual Supervis & Inspect, Kunming 650223, Peoples R ChinaYunnan Inst Prod Qual Supervis & Inspect, Kunming 650223, Peoples R China
Niu, Hua
Zhang, Xuezhong
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Kunming Univ Sci & Technol, Fac Met & Energy Engn, Kunming 650093, Peoples R ChinaYunnan Inst Prod Qual Supervis & Inspect, Kunming 650223, Peoples R China