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Stepwise Assembly Protocols for the Rational Design of Lanthanide Functionalized Carbon Dots-Hydrogel and its Sensing Evaluation
Journal of Fluorescence ( IF 2.7 ) Pub Date : 2021-02-13 , DOI: 10.1007/s10895-021-02694-4
Qin Wen , Yuhui Zheng , Wanqiang Liu , Qianming Wang

Inorganic-organic optical probe based on lanthanide emission will provide a new way for specific applications. In this work, sarcosine and urea are selected as raw materials to synthesize carbon dots with cyan-emissive color. In the next step, indicator components (Ethylene Diamine Tetraacetic Acid and lanthanide ions) are incorporated onto carbon quantum dots (CQDs) and the flexible alginate hydrogel is employed as the host to accommodate the emissive species. The soft material can exhibit typical red and green emissions. Its luminescence is responsive to calcium ions and the detection limit has been calculated to be 0.84 μM and 0.92 μM respectively. Such optical device can be employed as a portable probe in a variety of scientific fields due to its convenience and flexibility.



中文翻译:

镧系官能化碳点水凝胶的合理设计的逐步组装方案及其传感评价

基于镧系元素发射的无机-有机光学探针将为特定应用提供新途径。在这项工作中,肌氨酸和尿素被选为合成具有青绿色发光颜色的碳点的原料。在下一步中,将指示剂组分(乙二胺四乙酸和镧系元素离子)掺入碳量子点(CQDs)上,并将柔性藻酸盐水凝胶用作基质以容纳发射物质。柔软的材料会表现出典型的红色和绿色辐射。它的发光对钙离子有响应,计算出的检出限分别为0.84μM和0.92μM。由于这种光学装置的便利性和灵活性,因此可以在各种科学领域中用作便携式探针。

更新日期:2021-02-15
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