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| Construction of Microfluidic Paper-based Analytical Device Base Paper and Optimization of Color Signal Uniformity |
| Received:February 02, 2023 |
| DOI：10.11980/j.issn.0254-508X.2023.05.018 |
| Key Words:microfluidic paper-based analytical devices paper colorimetric detection color uniformity |
| Author Name | Affiliation | Postcode | | LI Qiongyang | State Key Lab of Pulp and Paper Engineering, South China University of Technology,Guangzhou, Guangdong Province, 510640 | 510640 | | ZHANG Xue* | State Key Lab of Pulp and Paper Engineering, South China University of Technology,Guangzhou, Guangdong Province, 510640
China National Pulp and Paper Research Institute Co., Ltd., Beijing, 100102
Zhuangli Printing Company, Shantou, Guangdong Province, 515041 | 515041 | | CHEN Yiyu | State Key Lab of Pulp and Paper Engineering, South China University of Technology,Guangzhou, Guangdong Province, 510640 | 510640 | | WAN Xiaofang | State Key Lab of Pulp and Paper Engineering, South China University of Technology,Guangzhou, Guangdong Province, 510640 | 510640 | | TIAN Junfei* | State Key Lab of Pulp and Paper Engineering, South China University of Technology,Guangzhou, Guangdong Province, 510640 | 510640 |
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| Abstract:In order to improve the uniformity of paper-based colorimetric signals， bleached kraft pine wood pulp was subjected to PFI refining treatment to prepare lab handsheets. Compared with the filter paper commonly used to construct paper-based chips， the handsheets prepared in this study showed good color uniformity. In the colorimetric detection of Fe2+， the analytical response of the paper-based chip had a good linear correlation in the range of 1~75 mg/L， R2=0.9599， and the detection limit was 0.4 mg/L. It had been successfully applied to the （semi）quantitative detection of Fe2+ in actual water samples. |
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