典型拉曼光谱技术及其在农业检测中应用研究进展  

Typical Raman Spectroscopy Ttechnology and Research Progress in Agriculture Detection

作　　者：高振 赵春江[1,2] 杨桂燕 董大明[2] GAO Zhen;ZHAO Chunjiang;YANG Guiyan;DONG Daming(College of Information and Electrical Engineering,China Agricultural University,Beijing 100083,China;National Engineering Research Center for Information Technology in Agriculture,Beijing Academy of Agriculture and Forestry Sciences,Beijing 100097,China)

机构地区：[1]中国农业大学信息与电气工程学院,北京100083 [2]北京市农林科学院国家农业智能装备工程技术研究中心,北京100097

出　　处：《智慧农业（中英文）》2022年第2期121-134,共14页Smart Agriculture

基　　金：国家自然科学基金(32101609);北京市自然科学基金(JQ19023)。

摘　　要：拉曼光谱是一种散射光谱,具有快速、不易受水分干扰、样品无需预处理和在体检测等特点,可作为分析、测试物质分子成分和结构强有力的表征手段。随着拉曼光谱技术的不断发展,其在农业检测领域中逐渐发挥出极其重要的作用。本文概述了拉曼光谱的检测原理,从共聚焦显微拉曼光谱、傅里叶变换拉曼光谱、表面增强拉曼光谱、针尖增强拉曼光谱、共振拉曼光谱、空间偏移拉曼光谱、移频激发拉曼差分光谱、基于非线性光学的拉曼光谱等8个方面介绍了拉曼光谱技术,重点总结了拉曼光谱技术在植物检测、土壤检测、水质检测、食品检测等方面的应用研究进展,并提出了其在农业检测领域中应用需要解决的难题和未来的发展方向,以期对未来农业生产和研究带来启发。Raman spectroscopy is a type of scattering spectroscopy with features such as rapid,less susceptible to moisture interference,no sample pre-treatment and in vivo detection.As a powerful characterization tool for analyzing and testing the molecular composition and structure of substances,Raman spectroscopy is also playing an extremely important role in the detection of plant and animal phenotypes,food safety,soil and water quality in the agricultural field with the continuous improvement of Raman spectroscopy technology.In this paper,the detection principles of Raman spectroscopy are introduced,and the new progresses of eight Raman spectroscopy technology are summarized,including confocal microscopy Raman spectroscopy,Fourier transform Raman spectroscopy,surface-enhanced Raman spectroscopy,tip-enhanced Raman spectroscopy,resonance Raman spectroscopy,spatially shifted Raman spectroscopy,frequency-shifted excitation Raman difference spectroscopy and Raman spectroscopy based on nonlinear optics,etc.And their advantages and disadvantages and application scenarios are prerented,respectively.The applications of Raman spectroscopy in plant detection,soil detection,water quality detection,food detection,etc.are summarized.It can be specifically subdivided into plant phenotype,plant stress,soil pesticide residue detection,soil colony detection,soil nutrient detection,food pesticide detection,food quality detection,food adulteration detection,and water quality detection.In future agricultural applications,the elimination of fluorescence background due to complex living organisms in Raman spectroscopy is the next research direction.The study of stable enhanced substrates is an important direction in the application of Surface Enhanced Raman Spectroscopy(SERS).In order to meet the measurement of different scenarios,portable and telemetric Raman spectrometers will also play an important role in the future.Raman spectroscopy needs to be further explored for a wide variety of research objects in agriculture,especially for applic

关 键 词：傅里叶变换拉曼光谱 表面增强拉曼光谱 共聚焦显微拉曼光谱 非线性光学 拉曼光谱技术 共振拉曼光谱 土壤检测 散射光谱 

分 类 号：O657.37[理学—分析化学] S-1[理学—化学]