내시경용 광섬유 pH측정 센서 개발을 위한 기초 연구
Feasibility Study on the Development of Fiber-Optic pH Sensor for Endoscope
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Abstract
The general method to find a H. pylori in the stomach is the rapid urease test but it is only used to decide the infectionwith H. pylori. In this study, it is tried to develope fiber-optic pH sensor which can be used with gastroscop to quantifyH. pylori. To measure the degree of infection with H. pylori, the color change of phenol red according to the degree ofpH is measured by optical fibers with different light sources and the optimum distance from a sample to the end of sensortip is decided by measuring the maximum reflectivity from a sample. Also the sensitivity study is carried out to decidethe optimum light source which has sensitive change of reflectivity to the change of pH. It is expected that the fiber-optic pH sensor which measures the degree of infection with H. pylori exactly can be developed.
참고문헌 (7)
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