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试纸条做法求助已有1人参与
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Figure 7A shows the identical test paper under natural light, and no obvious change could be observed. However, the fluorescence of the Zn-BTEC test paper was immediately turned on in varying brightness levels upon addition of different concentrations of CTC, showing bright green spots against a dark-blue fluorescence background, which can be clearly seen under a 365 nm UV illumination (Figure 7B,C). Such fluorescence color changes on the test paper roughly indicate the concentration range for CTC visual detection. 请问科研朋友们，1.这种试纸条是用什么做的还是买的先成的？2. 这种是如何拍摄的？如何做到三行图片之间是黑色的，这是用了特殊的板子了嘛？ 麻烦诸位给点好的意见，谢谢  1626057110(1).jpg |
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这就是滤纸吧，文章的实验部分没写吗……正文没有SI总有写吧，就算都没写，肯定也是引用了哪篇文章来做的。就，总是有出处的。拍摄就正常排。黑色是因为本来就是黑色，只有圆形区域是白色 发自小木虫IOS客户端 |
2楼2021-07-14 07:03:34