Preparation of Magnetic Cross-Linked Amyloglucosidase Aggregates: Solving Some Activity Problems
نویسندگان
چکیده
منابع مشابه
Optimization of Enzymatic Synthesis of Ampicillin Using Cross-Linked Aggregates of Penicillin G Acylase
Penicillin G acylase from E. coli TA1 was immobilized by Cross-Linked Enzyme Aggregates (CLEA), a new method for immobilization. This biocatalyst and commercial immobilized penicillin G acylase (PGA-450) were used to study the effect of pH, temperature and substrate concentration on the synthesis of ampicillin from phenyl glycine methyl ester (PGME) and 6-aminopenicillanic acid (6-APA). Compare...
متن کاملOptimization of Enzymatic Synthesis of Ampicillin Using Cross-Linked Aggregates of Penicillin G Acylase
Penicillin G acylase from E. coli TA1 was immobilized by Cross-Linked Enzyme Aggregates (CLEA), a new method for immobilization. This biocatalyst and commercial immobilized penicillin G acylase (PGA-450) were used to study the effect of pH, temperature and substrate concentration on the synthesis of ampicillin from phenyl glycine methyl ester (PGME) and 6-aminopenicillanic acid (6-APA). Compare...
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In this paper glucoamylase from Aspergillus niger was immobilized by using a modified version of cross-linked enzyme aggregates (CLEA). The co-aggregates were cross-linked with glutaraldehyde; meanwhile dextrin and xanthan gum as protecting agents were added, which provides high affinity with the enzyme molecules. The immobilized glucoamylase was stable over a broad range of pH (3.0–8.0) and te...
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Novel hybrid magnetic cross-linked enzyme aggregates of phenylalanine ammonia lyase (HM-PAL-CLEAs) were developed by co-aggregation of enzyme aggregates with magnetite nanoparticles and subsequent crosslinking with glutaraldehyde. The HM-PAL-CLEAs can be easily separated from the reaction mixture by using an external magnetic field. Analysis by scanning electron microscopy (SEM) and confocal la...
متن کاملSolving some persistent presupposition problems
/S0aanes 1979/provides some counterexamples to the theory of natural language presuppositions that is presented in /Gazdar 1979/. /Soames 1982/ provides a theory which explains these eounterexamples. /Mercer 1987/ rejects the solution found in/Soames 1982/ leaving these eounterexamples unexplained. By reappraising these insightful counterexamples, the inferential theory for natural language pre...
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ژورنال
عنوان ژورنال: Catalysts
سال: 2018
ISSN: 2073-4344
DOI: 10.3390/catal8110496