β-Galactosidase detection using a long period grating fiber sensor

被引：0
|
作者：
Baschir, Laurentiu [1 ]
Savastru, Dan [1 ]
Miclos, Sorin [1 ]
机构：
[1] National Institute of R&D for Optoelectronics – INOE 2000, 409 Atomistilor Str., Magurele, Ilfov,RO-077125, Romania
来源：
UPB Scientific Bulletin, Series A: Applied Mathematics and Physics | 2021年 / 83卷 / 04期
关键词：
Bacteria concentrations - E. coli - Fiber Sensor - High sensitivity - Long period grating fiber sensor - Long Period Gratings - Measurements of - Refractive index detection - Refractive-index modification - β- Galactosidase;
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摘要：
Here we report a long period grating fiber sensor used to detect β-Galactosidase in water, an enzyme produced by E. coli that can be used to reveal the presence of the bacteria and their concentration. The advantage of this approach is that β-Galactosidase is produced by a vivid bacterium and its concentration is proportional to bacteria concentration. The purpose of this study is to determine the sensitivity of such sensor. The measurement of β-Galactosidase concentration bases on the long period grating fiber high sensitivity at refractive index modifications of the ambient. Tests proved a good concordance between calculations and measurements. © 2021, Politechnica University of Bucharest. All rights reserved.
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页码：243 / 252
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