D. D. Perlmutter

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In order to define the gastrointestinal manifestations and small intestinal structure and function in a group of infants with chronic nonspecific diarrhea and hypogammaglobulinemia, we retrospectively identified 55 such patients from a population of 518 children evaluated for chronic diarrhea over a 6-year span (10.6%). All patients had IgG levels 2.0sd or(More)
Glucose oxidase from Aspergillus niger was immobilized on nonporous glass beads by covalent bonding and its kinetics were studied in a packed-column recycle reactor. The optimum pH of the immobilized enzyme was the same as that of soluble enzyme; however, immobilized glucose oxidase showed a sharper pH-activity profile than that of the soluble enzyme. The(More)
Urease from Jack bean was immobilized on nonporous glass beads by covalent bonding and its kinetics were studied in a packed-column differential reactor. To facilitate comparison, the urease was immobilized by both diazo and glutaraldehyde coupling. The kinetic properties of immobilized urease were similar to those of the soluble enzyme and different(More)
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