一种高精度的血液C-反应蛋白浓度荧光检测系统  

High-precision fluorescence detector for C-reactive protein in blood

作　　者：汪鲁才[1] 王桃[1] 林海军[1] 李四美[1,2] 

机构地区：[1]湖南师范大学工程与设计学院,长沙410081 [2]永州工商职业中等专业学校,永州425006

出　　处：《电子测量技术》2016年第6期117-121,共5页Electronic Measurement Technology

基　　金：国家自然科学基金资助项目(51205127);湖南省研究生科研创新项目(CX2015B181)资助项目

摘　　要：针对临床医学检测血液中C-反应蛋白(CRP)浓度的精确定量需求,设计一种基于STM32F429IGT6处理器的CRP浓度荧光检测系统。介绍了系统基于荧光检测的工作原理和非线性浓度定量模型,详细阐述系统的软硬件设计,并采用商用检测仪验证系统定量的准确性。实验表明:系统常规检测范围段误差小于5%重复性误差小于3%,符合临床医学检测需求。According to the precise quantitative requirements of clinical medicine field in CRP concentration of blood detection ,a design of high-precision CRP fluorescent detector based on STM 32F429IGT6 processor was introduced in this paper .Firstly ,the working principle based on fluorescence immune-chromatographic technology and the nonlinear regression quantitative model that can achieve accurate quantitative detection were presented .Secondly ,the hardware and software design of detector is described in detail .Finally ,many test that has been verified by commercial detector have been done to show that the quantitative error is less than 5% and the repetition error is less than 3% ,in line with the detection requirements of clinical medicine .

关 键 词：C-反应蛋白 STM32F429IGT6 荧光检测 定量模型 

分 类 号：TH789[机械工程—仪器科学与技术]