基于纸张的长寿命室温光探针的构建,用于使用和检测四环素
Yuting Xu1, Yuxin Zheng1, Kamile Arkin1
1School of Chemistry, Northeast Normal University, Changchun, 130024, China.
Mikrochimica acta
|January 20, 2026
概括
研究人员开发了一种新的基于纸张的探测器,使用来自生物废物的-联合化碳点 (NP-CDs). 这种探针提供了一种可视化,颜色变化的检测方法,用于低检测极限的氧基环素 (OTC).
科学领域:
- 材料科学 材料科学 材料科学
- 分析化学 分析化学
- 生物技术是生物技术.
背景情况:
- 开发敏感和有选择的检测方法,用于药品,如氧基环素 (OTC) 对于环境和食品安全至关重要.
- 碳点 (CD) 具有独特的光发光特性,但长时间的光和视觉检测能力仍在开发中.
- 利用生物废物作为纳米材料的前体,为化学传感提供了一种可持续的方法.
研究的目的:
- 从玉米胡须中合成-联合化碳点 (NP-CDs),用于新型光探测器.
- 构建一个基于纸张的探针 (NP-CDs@matrix@paper) 用长时间的室温光 (RTP) 后发光.
- 建立一个可视化,颜色变化的传感平台,用于检测氧基环素 (OTC).
主要方法:
- 使用三乙烯二胺,酸和玉米胡须的NP-CDs的一步热水合成.
- 在玻利酸和尿素的矩阵中固定NP-CD,制造纸质探头.
- 探测器和OTC之间的光学特性和相互作用机制的研究,使用光谱学.
- 通过样本分析与国家标准方法相比,验证探头的性能.
主要成果:
- 成功制备NP-CD,室温绿色光后发光持续长达8秒.
- 在OTC的存在下,NP-CDs@matrix@paper探针表现出增强的光强度.
- 在OTC检测中观察到明显的视觉颜色变化,从黄色变为绿色光.
- 在样本分析中,OTC的检测极限 (LOD) 达到1.17μM,精度高.
结论:
- 一个新的,长寿命的,基于纸张的,改变颜色的RTP探头是从生物废物中开发的,用于OTC检测.
- 该探测器展示了简单,可视和敏感的现场传感应用的潜力.
- 这项工作突出了从生物质中获得的NP-CDs在开发先进分析工具方面的实用性.
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