一个光生物传感器用于有机农药检测,使用基于便携式光设备的智能手机
Pijika Mool-Am-Kha1, Samuch Phetduang2, Nopphakon Phongsanam2
1Department of Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen, 40002, Thailand; Construction Materials Group, Engineering Materials Division, Department of Science Service, Ministry of Higher Education, Science, Research and Innovation, Bangkok 10400, Thailand.
Spectrochimica acta. Part A, Molecular and biomolecular spectroscopy
|November 1, 2024
概括
一个新的基于智能手机的光生物传感器通过测量酶抑制来检测有机农药 (OPP). 这种便携式方法在食品样本中检测马拉时具有很高的灵敏度.
科学领域:
- 分析化学 分析化学
- 生物技术是生物技术.
- 环境科学 环境科学
背景情况:
- 有机农药 (OPs) 对人类健康和环境构成重大风险.
- 准确和快速的OP检测方法对于食品安全和环境监测至关重要.
- 现有的检测技术可能是繁的,昂贵的,或缺乏便携性.
研究的目的:
- 开发一个创新的,智能手机集成的光生物传感器,用于敏感和便携式检测有机农药 (OPs).
- 为了利用性酸酶 (ALP) 的酶活性和用于OP量化的特定光标记物.
- 建立一个具有成本效益和高度敏感的替代传统农药检测方法.
主要方法:
- 开发一个便携式光装置与智能手机应用程序集成.
- 酶定量涉及性酸酶 (ALP) 活性和AAP转化为AA.
- 通过AA与OPD的反应生成光标记物 (DFQ).
- 通过测量由于ALP抑制而导致的光强度下降来量化OP.
主要成果:
- 开发的生物传感器的校准灵敏度比传统的光谱化仪高出70倍以上.
- 在0.1-1 ppm的度范围内检测马拉 (代表性OP),检测极限为0.05 ppm.
- 在真实蔬菜样本中成功检测OPs的应用,结果与HPLC分析相当.
结论:
- 基于智能手机的光生物传感器提供了一种便携式,准确和高度敏感的检测有机农药的方法.
- 这种创新方法为在现场监测食品和环境样本中的农药残留物提供了一个有希望的工具.
- 该技术能够快速,可靠地评估OP污染,有助于提高食品安全和环境保护.
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