传感器在环境水体检测中的应用

The use of sensors in the monitoring of wastewater

简述了用于环境水体检测的传感器及其研究现状。对传感器中应用较广的光学、电学传感器的机理与最新研究进展进行了介绍。尤其对近几年发展迅速的生物传感器和纳米传感器的研究现状和今后的发展方向进行了总结和探讨。生物传感器具有高选择性、高灵敏度、测定快速和可连续测定等突出优点,可应用于水体污染物检测领域。纳米材料独特的化学和物理性能,显著提高了传感器检测的灵敏度,缩短了反应所需的时间,并且能提高检测的通量。纳米技术的应用是传感器发展的新方向。

The use of sensors in the monitoring water environment was summarized.Widely used optical sensors and electronic sensors were introduced.Especially discussed the biosensors and nano-sensors that were being developed rapidly.Because of the high selectivity and sensitivity,capable of continuously analysis and fast determination,biosensors will play a more important role in the determination of water body.The unique chemical and physical performance of nano-materials enhanced the sensor sensitivity remarkably,reducing the reaction time and improving the detection limit.As can be said,the application of nanotechnology is the direction for developing new sensors.