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Preparation of Glutaraldehyde Cross-linked Complex from Support
Toshiro Matsui1, Tomoyuki Oki1, Kiyoshi Matsumoto1
1a Department of Food Science and Technology, Faculty of Agriculture , Kyushu University , 6-10-1 Hakozaki, Higashi-ku, Fukuoka 812-81 , Japan.
Bioscience, Biotechnology, and Biochemistry
|September 2, 2017
Summary
Glutaraldehyde (GA) was used as a heteropolymer for enzyme immobilization. This method involved cleaving a GA spacer complex and introducing Nα-9-fluorenylmethyl-oxycarbonylglycine, forming a glycine-GA-phenethylamine complex.
Area of Science:
- Biochemistry
- Chemical Engineering
- Spectroscopy
Background:
- Enzyme immobilization is crucial for biocatalysis and enzyme reusability.
- Glutaraldehyde (GA) is a common cross-linking agent used in enzyme immobilization.
- Understanding the structure and behavior of GA in immobilization complexes is essential for optimizing enzyme activity and stability.
Purpose of the Study:
- To investigate the role and structure of glutaraldehyde (GA) in enzyme immobilization.
- To characterize the complex formed after cleaving a GA spacer and introducing Nα-9-fluorenylmethyl-oxycarbonylglycine.
- To determine the molecular weight and polymeric nature of GA in the immobilization process.
Main Methods:
- Enzyme immobilization using a glutaraldehyde (GA) spacer complex.
- Cleavage of the GA spacer complex from the support.
- Introduction of Nα-9-fluorenylmethyl-oxycarbonylglycine.
- 1H-NMR spectroscopy for structural analysis of the resulting complex.
- Characterization of the glycine-GA-phenethylamine (GGP) complex.
Main Results:
- A glycine-GA-phenethylamine (GGP) complex was successfully synthesized and measured.
- 1H-NMR spectroscopic data indicated the involvement of GA in enzyme immobilization.
- GA was identified as a heteropolymer within the immobilization complex.
- The molecular weight of the GA heteropolymer was estimated to be in the range of 600 to 1300 Da.
Conclusions:
- Glutaraldehyde (GA) functions as a heteropolymer in enzyme immobilization.
- The characterized glycine-GA-phenethylamine (GGP) complex provides insights into GA's role.
- The findings contribute to a better understanding of GA-based enzyme immobilization strategies.
