碳纳米管材料在食品安全分析中的应用

Review on the application of carbon nanotubes in food safety analysis

食品中有害因子的快速高效检测一直是食品安全领域致力解决的重要问题。碳纳米管作为一种新型的纳米碳材料,以其比表面积大、导电性好、吸附性强、易于化学修饰等诸多优良性质在食品安全检测领域得到广泛关注和应用。本文简述了碳纳米管的类型、制备和表征方法,分析了食品中有害因子的种类及其来源,论述了碳纳米管在农药残留、兽药残留、重金属、微生物和毒素、食品添加剂等食品有害因子检测中的应用,并展望了碳纳米管在食品安全分析领域的发展方向。指出将碳纳米管用于食品安全分析极大地促进了食品安全检测方法和技术向高灵敏度、低成本、高效率、快速等方向发展。

Great efforts have been made to develop rapid and efficient analytical methods for the risk factors in the food samples.Carbon nanotubes,as novel carbon nanomaterials,have drawn extensive attention in recent years due to their unique properties such as high surface area,good electrical conductivity,strong adsorption capacity and easy chemical modification.These exciting advantages have motivated us to find more applications in food safety analysis.In this paper,the type,preparation and characterization methods of carbon nanotubes were introduced,and the category and source of risk factors in food were described.Furthermore,recent applications of carbon nanotubes in the detection of food safety risk factors,including pesticide residues,veterinary drug residues,heavy metals,microorganism and its toxin,and food additives were summarized.Finally,the development trends of carbon nanotubes in food safety analysis were prospected.With the application of carbon nanotubes,food safety detection techniques with the advantages of high sensitivity,low cost,high efficiency and speed,can be expected.