中文摘要：本文开发了一种基于交叉响应机制传感器阵列的新型、简单、快速、低成本的农药残留检测装置。采用该装置对四种农药（多菌灵、二嗪、氰戊菊酯、五氯硝基苯）残留进行检测，并采用无监督模式识别方法、层次聚类分析和主成分分析对检测数据进行分析。分析结果显示，该方法可以100%的对四种农药残留进行鉴别。根据农药荧光强度和浓度的标准回归曲线，可获取农药残留定量值，且该装置在浓度低于8 ppb即可响应，在0.01-1 ppm范围内线性关系良好。以上检测结果表明，该装置具有非常好的农药残留检测特异性和鉴别能力，在食品安全检测方面具有较大的应用潜力。
外文摘要：In this paper, a novel, simple, rapid, and low-cost detection device for pesticide residue was constructed. A sensor array based on a cross-responsive mechanism was designed. The data collection and processing system was used to detect fluorescent signal of the sensor arrays, and to extract unique patterns of the tested pesticide residue. Four selected pesticides, carbendazim, diazine, fenvalerate, and pentachloronitrobenzene, were detected by the proposed device. Unsupervised pattern recognition methods, hierarchical cluster analysis and principal component analysis, were used to analyze the data. The results showed that the methods could 100% discriminate the four pesticide residues. According to the standard regression linear curve of the fluorescence intensity and the concentration of pesticide, the quantitative value of the pesticide was detected, and the device obtained responses at concentrations below 8 ppb, and it has a good linear relationship in the range of 0.01-1 ppm. According to the results, the proposed detection device showed excellent selectivity and discrimination ability for the pesticide residues. However, our preliminary study demonstrated that the proposed detection device has excellent potential application for the safety inspection of food.
外文关键词：pesticide residue, cross-responsive sensor array, fluorescent, device
作者：Huang, Jing; Hou, Changjun; Lei, Jincan; Huo, Danqun; Luo, Xiaogang; Dong, Liang
作者单位：Chongqing Univ, Coll Bioengn, Minist Educ, Key Lab Biorheol Sci & Technol, Chongqing 400044, Peoples R China
期刊名称：MEASUREMENT SCIENCE AND TECHNOLOGY
期刊影响因子：1.492
出版年份：2016
出版刊次：11
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