1.北京信息科技大学 传感器实验室,北京 100101
2.北京信息科技大学 现代测控技术教育部重点实验室, 北京 100192
3.中国科学院上海微系统与信息技术研究所 传感技术联合国家重点实验室,上海 200050
李延生,博士研究生,副研究员,研究方向:便携式生化传感器,E - mail:lys2019@bistu.edu.cn
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刘旭,高国伟,胡敬芳等.写字机器人绘制纸基微流控芯片便携检测Ca2+[J].分析测试学报,2022,41(11):1607-1613.
LIU Xu,GAO Guo-wei,HU Jing-fang,et al.Portable Detection of Ca2+ Using Writing Robots Drawing Paper-based Microfluidic Chips[J].Journal of Instrumental Analysis,2022,41(11):1607-1613.
刘旭,高国伟,胡敬芳等.写字机器人绘制纸基微流控芯片便携检测Ca2+[J].分析测试学报,2022,41(11):1607-1613. DOI: 10.19969/j.fxcsxb.22060501.
LIU Xu,GAO Guo-wei,HU Jing-fang,et al.Portable Detection of Ca2+ Using Writing Robots Drawing Paper-based Microfluidic Chips[J].Journal of Instrumental Analysis,2022,41(11):1607-1613. DOI: 10.19969/j.fxcsxb.22060501.
纸基微流控芯片是一种纸质基底芯片,具有性能优良、价格低廉的优势,然而其制备技术多依赖专业昂贵的设备,限制了纸基微流控芯片的发展。该文采用成本低廉的家用写字机器人,将具有敏感特性的智能水凝胶绘制在纸质基底材料上,得到具有水凝胶阀门的纸基微流控芯片。以Ca,2+,为模型靶标,该纸基微流控芯片能实现不同浓度(0.1 ~ 50 mmol/L)Ca,2+,溶液的裸眼定量检测,并具有很好的易用性和重现性。同时采用ILX506 CCD传感器制作纸基微流控芯片的数字显示设备,以实现芯片测量结果的自动读取功能。该方法能快速便捷、低成本地制备多条纸基微流控芯片,为其普适化制备提供了新的研究思路,在发展中地区具有良好的推广前景。
The paper-based microfluidic chips are a kind of paper-based chips,which have the advantages of excellent performance,low price,safety and portability.However,the preparation technology for paper-based microfluidic chips mostly depends on the professional and expensive equipments,which limits their development to a certain extent.And it is not conducive to the commercialization process for paper-based microfluidic chips.In this paper,a paper-based microfluidic chip with hydrogel valve was developed by using a low-cost,simple home writing robot to draw a smart hydrogel with sensitive properties on a paper base.In order to verify the feasibility of the preparation method,Ca,2+, was used as a model target.Results showed that the paper-based microfluidic chip prepared by this method could achieve the quantitative detection of Ca,2+, solutions in the concentration range of 0.1-50 mmol/L with the naked eye,which has good usability and reproducibility.Meanwhile,a ILX506 CCD sensor was used to design and optimize the digital display device of the paper-based microfluidic chip so as to realize the automatic reading function for the measurement results of paper-based microfluidic chip.The experimental results showed that this method could be used for the rapid and convenient preparation of multiple paper-based microfluidic chips at low cost.The preparation method provides a new research idea for the ubiquitous preparation of paper-based microfluidic chips,which has a good promotion prospect in those developing regions.
纸基微流控芯片写字机器人水凝胶快速检测可视化定量检测
paper-based microfluidic chipwriting robothydrogelrapid detectionvisual quantitative detection
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