CAJ | 학술논문

设计了可检测十二指肠胃返流的光纤传感器,该传感器由470 nm的信号光、595 nm参考光和光纤束构成,主要检测十二指肠返流物中的胆红素在470 nm与595 nm的吸光度,本文还对影响传感器检测的因素,诸如波长、pH、胃液中悬浮颗粒造成的散射作用以及其他的因素,做了详细评价.传感器可以达到10 mg/dl优良的动态响应范围,离体实验结果表明,该传感器可以作为临床动态检测手段.
설계료가검측십이지장위반류적광섬전감기,해전감기유470 nm적신호광、595 nm삼고광화광섬속구성,주요검측십이지장반류물중적담홍소재470 nm여595 nm적흡광도,본문환대영향전감기검측적인소,제여파장、pH、위액중현부과립조성적산사작용이급기타적인소,주료상세평개.전감기가이체도10 mg/dl우량적동태향응범위,리체실험결과표명,해전감기가이작위림상동태검측수단.
A fiber-optic sensor for monitoring of duodenogastric reflux is fabricated. The sensing system, based on the principle of double-beam compensation, includes two diodes for light sources, blue at 470 nm as signal light and yellow at the wavelength of 595 nm as reference one, and a Y model fiber optic bundle for transmitting light. The sensor performs on detection of spectrophotometric absorption of bilirubin always present in entero-gastric reflux at 470 nm and 595 nm. A general evaluation of the sensor about factors affecting its detection is discussed in detail: Wavelength choice, pH, scattering effect resulting from gastric precipitates and others. The sensor shows a good excellent performance with a dynamic linear range of up to 10 mg/dl. The in-vitro experiment shows it can be used in clinical analysis of DGR.