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Rotary micro-fluidic cloth/paper composite chip for detecting lead and mercury ions and preparation method thereof
Authors
李博伟
李金花
+3 more
王莉燕
陈令新
齐骥
Publication date
17 February 2023
Publisher
Abstract
本发明公开了一种检测铅汞离子的旋转微流控布/纸复合芯片及其制备方法,其中,该复合芯片由底部传感器层、中间层、顶部取样层、铅离子印迹荧光传感布和汞离子印迹荧光传感布组成,前三者均由印有疏水图样的滤纸制成且从下至上依次叠装,底部传感器层上具有检测区,中间层的亲水通道与检测区匹配,顶部取样层的亲水采样区整体呈“V”字形且与亲水通道匹配,相邻两个亲水采样区之间开有探测孔;后两者分别由接有汞离子印迹或接有铅离子印迹的布块制成,均贴于底部传感器层的检测区且间隔排布。本发明开发出的旋转微流控布/纸复合芯片,很好地结合了纸芯片与布的特点,并且使用方便、能够特异性的灵敏检测铅汞离子
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Last time updated on 14/02/2024