A PET/paper chip platform for high resolution sulphur dioxide detection in foods

Lung-Ming Fu, Chan Chiung Liu, Chia En Yang, Yao Nan Wang, Chien Hsuan Ko

研究成果: Article

2 引文 (Scopus)

摘要

A convenient assay platform comprising a PET/paper chip (PP-chip) and a smart analytical device is developed for detection of sulphur dioxide (SO 2 ) concentration. In the presented approach, the distilled SO 2 solution is dropped onto the detection region of the PP-chip and undergoes a reaction with an acid-based reagent. The resulting color variation is analyzed through a high-resolution camera (CMOS) and the reacted image is processed by a RGB (red, green and blue) analytical app installed on a smartphone. Results show that the known SO 2 concentrations ranging from 10 to 300 ppm indicate that the high linear relationship (R 2 = 0.9981) between the (R (red) + G (green) − B (blue)) value and SO 2 concentration. Moreover, a high measurement resolution is equal to 1.45 ppm/a.u. The presented assay platform was proved to detect the SO 2 concentrations of twenty-five practical food samples. Compared with the developed assay platform and certified inspection technique, the deviation of SO 2 measurement does not exceed 3.82%. It was satisfactory to apply this developed assay platform to analyze the SO 2 concentration in the practical samples.

原文English
頁(從 - 到)316-321
頁數6
期刊Food Chemistry
286
DOIs
出版狀態Published - 2019 七月 15

指紋

Sulfur Dioxide
sulfur dioxide
Assays
Color
Food
Equipment and Supplies
Acids
assays
Smartphones
Application programs
cameras
foods
Inspection
Cameras
sampling
Smartphone
color
acids

All Science Journal Classification (ASJC) codes

  • Analytical Chemistry
  • Food Science

引用此文

Fu, Lung-Ming ; Liu, Chan Chiung ; Yang, Chia En ; Wang, Yao Nan ; Ko, Chien Hsuan. / A PET/paper chip platform for high resolution sulphur dioxide detection in foods. 於: Food Chemistry. 2019 ; 卷 286. 頁 316-321.
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abstract = "A convenient assay platform comprising a PET/paper chip (PP-chip) and a smart analytical device is developed for detection of sulphur dioxide (SO 2 ) concentration. In the presented approach, the distilled SO 2 solution is dropped onto the detection region of the PP-chip and undergoes a reaction with an acid-based reagent. The resulting color variation is analyzed through a high-resolution camera (CMOS) and the reacted image is processed by a RGB (red, green and blue) analytical app installed on a smartphone. Results show that the known SO 2 concentrations ranging from 10 to 300 ppm indicate that the high linear relationship (R 2 = 0.9981) between the (R (red) + G (green) − B (blue)) value and SO 2 concentration. Moreover, a high measurement resolution is equal to 1.45 ppm/a.u. The presented assay platform was proved to detect the SO 2 concentrations of twenty-five practical food samples. Compared with the developed assay platform and certified inspection technique, the deviation of SO 2 measurement does not exceed 3.82{\%}. It was satisfactory to apply this developed assay platform to analyze the SO 2 concentration in the practical samples.",
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A PET/paper chip platform for high resolution sulphur dioxide detection in foods. / Fu, Lung-Ming; Liu, Chan Chiung; Yang, Chia En; Wang, Yao Nan; Ko, Chien Hsuan.

於: Food Chemistry, 卷 286, 15.07.2019, p. 316-321.

研究成果: Article

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PY - 2019/7/15

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