논문KCI 등재
실리카 졸-겔막을 이용한 pH 광학센서
A pH Optosensor based on Fluoresence from Nile Blue Encapsulated within Silica Sol-Gel Film
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참고문헌
주제분류공학일반
초록
Abstract
A fiber optic pH sensor has been fabricated using nile blue entrapped in an ammonia catalyzed silica sol-gel film coatedon glass substrate by dip-coating. The sensor was fixed on the end of an optical fiber. The sensor showed pH sensitivitywhen dipped into liquids at different pHs. Linear and reproducible responses were obtained in standard bufer solutionsin the pH range 6.0~8.5, which encompasses the clinically-relevant range. The effects of interferences on the determinationof pH were also investigated. The sensors were successfully applied to the determination of pH in different commercialionic drinks.
참고문헌 (19)
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