✦ LIBER ✦
USA—Internal enzyme fiber-optic biosensors : In ANAL. CHIM. ACTA (304/2 (147–156) 1995) X. Zhou and M.A. Arnold of the University of Iowa report on “Internal enzyme fiber-optic biosensors for hydrogen peroxide and glucose”
- Book ID
- 103976111
- Publisher
- Elsevier Science
- Year
- 1995
- Tongue
- English
- Weight
- 96 KB
- Volume
- 10
- Category
- Article
- ISSN
- 0956-5663
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✦ Synopsis
detection of herbicides in water. The antibodies against triazine derivatives were deposited onto a polystyrene-coated 9 MHz AT-cut quartz crystal resonator. A competitive immuno-reaction method with a protein-labelled antigen was utilized. The resulting frequency change due to the adsorption of protein-labelled atrazine was measured. The atrazine concentration was detectable in the range 0.001 to 1 ng/ml, and the linear correlation could be obtained from 0.01 to 1 ng/ml of atrazine. Several triazine derivatives were tested and found to be detectable owing to the cross-reactivity of the antibody.