analyte       
noun [ C ]  chemistry specialized uk/ˈæn.ə.laɪt/ us/ˈæn.ə.laɪt/
 分析物
a chemical substance that is being found and measured
  This is a system for monitoring the concentration of an analyte in the blood of a patient. 这是一个监测患者血液中某个分析物浓度的系统。 
 Liquid chromatography with electrochemical detection was used for the measurement of analytes.  以液相层析法进行电化学检测来测量分析物。 
 Methods for determining the presence of a target analyte using a portable device are provided. 提供以便携式设备检测目标分析物的办法。 
 - More examples
 - Lateral flow tests are a simple device intended to detect the presence (or absence) of a target analyte in a sample.
 - Subjects may need to be fasted for at least 12 hours, and analytes measured over at least 12 hours after feeding.
 - Regardless of which assay method for measuring an analyte is used, a thorough validation of each method is required.
 - A novel microchip-based detection system has been developed for measuring analytes such as acids, bases, electrolytes, and proteins in solution.