开发一种光学传感器,用于环境样本中测定化合物
Gasser M Khairy1, Esraa I Ali1, Eman M Saad2
1Chemistry Department, Faculty of Science, Suez Canal University, Ismailia 41522, Egypt, +201022823954. gasser_mostafa@science.suez.edu.eg.
Analytical methods : advancing methods and applications
|November 16, 2023
概括
一种新的光学传感器利用发光欧欧III复合体,快速,灵敏,经济高效地检测水中的含量总量. 这种方法为环境监测提供了显著的进步.
科学领域:
- 分析化学 分析化学
- 环境科学 环境科学
- 材料科学 材料科学 材料科学
背景情况:
- 化合物是重要的环境污染物.
- 准确和快速检测总含量对于环境监测和工业废水管理至关重要.
- 现有的含量测定方法可能耗时或缺乏灵敏度.
研究的目的:
- 开发一种简单,具有成本效益和灵敏的光学传感器,以快速确定总含量.
- 为了提高检测能力,利用基于欧洲 (III) 复合物的新型发光探针.
- 验证拟议的方法在工业废水分析中的实际应用.
主要方法:
- 使用Eu(III) - ((NTA) 2- ((Phen) 复合物 (NTA = 1-(2-纳) -3,3,3-三酸,Phen = 1,10 类) 的发光探针的开发.
- 使用PIPES缓冲器在pH7.5下量化化合物的发光灭原理的应用.
- 在微型板中使用时间分辨的光,用于高通量样本分析 (2分钟内96个样本).
主要成果:
- 开发的传感器表现出高灵敏度,检测极限 (LOD) 为0.01μg mL-1.1.
- 校准曲线显示出极好的线性,相关系数超过0.99.
- 当该方法应用于工业废水样本时,该方法获得了高回收率,证明了其实际适用性.
- 火机制被认为是动态的,由疏水力驱动的内热和自发反应.
结论:
- 拟议的基于发光的方法,使用兰化物复合物作为探针,是确定水中全含量的开创性方法.
- 光学传感器为传统方法提供了快速,灵敏,选择性和成本效益的替代方案.
- 使用microtiter板的高通量能力显著提高了环境监测的分析效率.
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