Literature DB >> 6524935

Artificial cell-microencapsulated phenylalanine ammonia-lyase.

L Bourget, T M Chang.   

Abstract

Phenylalanine ammonia-lyase (PAL) is immobilized in collodion artificial cells. Once technical problems associated with the encapsulation of this enzyme were solved, the enzyme kinetics were compared to PAL in free solution. Microencapsulated PAL has an apparent enzyme activity that is 20% of the activity of enzyme in free solution. The Km for both free and immobilized PAL is 475 microM. The Vm for the microencapsulated PAL is 9 microM/min, whereas that of PAL in free solution is 55 microM/min.

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Year:  1984        PMID: 6524935     DOI: 10.1007/bf02783735

Source DB:  PubMed          Journal:  Appl Biochem Biotechnol        ISSN: 0273-2289            Impact factor:   2.926


  3 in total

1.  SEMIPERMEABLE MICROCAPSULES.

Authors:  T M CHANG
Journal:  Science       Date:  1964-10-23       Impact factor: 47.728

2.  Phenylketonuria: a new method for the simultaneous determination of plasma phenylalanine and tyrosine.

Authors:  R S Shen; C W Abell
Journal:  Science       Date:  1977-08-12       Impact factor: 47.728

3.  Semipermeable aqueous microcapsules. I. Preparation and properties.

Authors:  T M Chang; F C MacIntosh; S G Mason
Journal:  Can J Physiol Pharmacol       Date:  1966-01       Impact factor: 2.273

  3 in total
  2 in total

1.  Evaluation of orally administered PEGylated phenylalanine ammonia lyase in mice for the treatment of Phenylketonuria.

Authors:  Christineh N Sarkissian; Tse Siang Kang; Alejandra Gámez; Charles R Scriver; Raymond C Stevens
Journal:  Mol Genet Metab       Date:  2011-06-29       Impact factor: 4.797

2.  Converting an injectable protein therapeutic into an oral form: phenylalanine ammonia lyase for phenylketonuria.

Authors:  Tse Siang Kang; Lin Wang; Christineh N Sarkissian; Alejandra Gámez; Charles R Scriver; Raymond C Stevens
Journal:  Mol Genet Metab       Date:  2010-01       Impact factor: 4.797

  2 in total

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