Affiliation:
1. Key Laboratory of Agricultural Information Acquisition Technology, Ministry of Agriculture, Beijing 100083, China
2. College of Mechanical and Electrical Engineering, Agricultural University of Hebei, Baoding 071001, China
3. Beijing Engineering and Technology Research Center for Internet of Things in Agriculture, Beijing 100083, China
Abstract
Chlorophyll fluorescence measurement is a sensitive and effective method to quantify and analyze freshwater and sea water phytoplanktonin situ. Major improvements in optical design, electronic technology, and calibration protocol have increased the accuracy and reliability of the fluorometer. This review briefly describes the improvement of probe design, excitation light sources, detectors, and calibrations ofin situfluorometers. Firstly, various optical designs for increasing the efficiency of fluorescence measurement are discussed. Next, the development of electronic technology to meet and improvein situmeasurement, including various light sources, detectors, and corresponding measurement protocols, is described. In addition, various calibration materials, procedures, and methods are recommended for different kinds of water. The conclusion discusses key trends and future perspectives forin situfluorescence sensors.
Funder
Key Program for International S&T Cooperation Projects of China
Subject
Electrical and Electronic Engineering,Instrumentation,Control and Systems Engineering
Cited by
40 articles.
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