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制造可重复使用的探头浸聚合物单体传感器,用于在自然水和香烟样本中可视检测Cd2+

Sushmitha Pedugu Sivaraman¹, Sangeetha Krishna Kumar¹, Prabhakaran Srinivasan¹

¹Department of Chemistry, School of Advanced Sciences, Vellore Institute of Technology (VIT), Vellore 632014, Tamil Nadu, India.

Journal of hazardous materials

|August 18, 2023

概括

一个新的聚合物传感器通过简单的颜色变化选择性检测离子 (Cd2+). 这种低成本的固态传感器在现实世界样本中提供快速而准确的Cd2+检测.

科学领域:

材料科学材料科学材料科学
分析化学分析化学
环境科学环境科学

背景情况:

(Cd2+) 是一种有毒的重金属污染物.
开发对Cd2+具有选择性和敏感性的传感器对于环境监测至关重要.
现有的Cd2+检测方法可能是复杂和昂贵的.

研究的目的:

制造一个简单的,低成本的,裸眼彩度固态传感器,用于选择性Cd2+检测.
开发一个聚合物单立体架构,使用透过染色体探针的聚-n-合尿素-co-ethyleneglycol dimethacrylate (聚-ATU-co-EGD)) 透.
为了研究传感器在各种现实世界样本中检测Cd2+的性能.

主要方法:

使用poly ((ATU-co-EGD) 和QYQD探针制造一个聚合物单体传感器.
使用显微镜,光谱和衍射技术对传感器的多孔结构进行表征.
在真实样本中评估传感器的色度响应,选择性,灵敏度和准确性.

主要成果:

传感器在Cd2+结合时,呈现出明显的颜色转变,从黄色到深色.
在Cd2+度在2到150ppb之间观察到线性反应,检测极限 (LOD) 为0.31ppb.
传感器在真实水和香烟样本中显示出高精度和回收率 (≥99.72%).

结论:

开发的poly(ATU-co-EGD) QYQD传感器是选择性和敏感的裸眼检测Cd2+的有希望的工具.
传感器的简单,低成本和固态性质使其适合于实际的环境监测应用.
传感器在真实样本中的强大性能验证了其在现场Cd2+分析中的有效性.

关键词:

是的组成部分.半孔性半孔性一个单一的石头.光学传感器的光学传感器聚合物的聚合物.

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