optical glucose biosensor based on glucose oxidase immobilized on a swim bladder membrane
An optical glucose biosensor using a swim bladder membrane as an enzyme immobilization platform and an oxygen-sensitive membrane as an optical oxygen transducer has been developed. During the enzymatic reaction, glucose is oxidized by glucose oxidase with a concomitant consumption of dissolved oxyge...
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| Veröffentlicht in: | Analytical and bioanalytical chemistry 2005-10, Vol.383 (4), p.673-679 |
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| container_end_page | 679 |
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| container_issue | 4 |
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| container_title | Analytical and bioanalytical chemistry |
| container_volume | 383 |
| creator | Zhou, Zaide Qiao, Lina Zhang, Peng Xiao, Dan Choi, Martin M. F |
| description | An optical glucose biosensor using a swim bladder membrane as an enzyme immobilization platform and an oxygen-sensitive membrane as an optical oxygen transducer has been developed. During the enzymatic reaction, glucose is oxidized by glucose oxidase with a concomitant consumption of dissolved oxygen resulting in an increase in the fluorescence intensity of the optical oxygen transducer. The fluorescence intensity is directly related to the glucose concentration. The effects of pH, temperature, buffer concentration, and selectivity have been studied in detail. The immobilized enzyme retained 80% of its initial activity after being kept for more than 10 months at 4°C. The glucose biosensor has been successfully applied to the determination of glucose content in human blood serum and urine samples. |
| doi_str_mv | 10.1007/s00216-005-0023-8 |
| format | Article |
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| ispartof | Analytical and bioanalytical chemistry, 2005-10, Vol.383 (4), p.673-679 |
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| language | eng |
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| source | MEDLINE; SpringerNature Journals |
| subjects | Air Sacs - cytology Animals Biosensing Techniques - instrumentation Biosensing Techniques - methods Blood Glucose - analysis Carps Enzymes, Immobilized - metabolism Glucose - analysis Glucose biosensor Glucose Oxidase - metabolism Humans Hydrogen-Ion Concentration immobilized enzymes Membranes - metabolism Optics and Photonics Oxygen-sensitive membrane Swim bladder membrane Urine - chemistry |
| title | optical glucose biosensor based on glucose oxidase immobilized on a swim bladder membrane |
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