文献类型：期刊文献

英文题名：In situ surface-enhanced Raman spectroscopy for detecting microplastics and nanoplastics in aquatic environments

作者：Lv, Lulu[1,2];He, Lei[1];Jiang, Shiqi[1,2];Chen, Jinjun[3];Zhou, Chunxia[2,4,5];Qu, Junhao[5];Lu, Yuqin[1];Hong, Pengzhi[2,4,5];Sun, Shengli[1];Li, Chengyong[1,2,4]

机构：[1]Guangdong Ocean Univ, Sch Chem & Environm, Zhanjiang 524088, Peoples R China;[2]Guangdong Ocean Univ, Shenzhen Inst, Shenzhen 518108, Peoples R China;[3]Guangdong Ocean Univ, Coll Coastal Agr Sci, Zhanjiang 524088, Peoples R China;[4]Southern Marine Sci & Engn Guangdong Lab, Zhanjiang 524088, Peoples R China;[5]Guangdong Ocean Univ, Coll Food Sci & Technol, Zhanjiang 524088, Peoples R China

年份：2020

卷号：728

外文期刊名：SCIENCE OF THE TOTAL ENVIRONMENT

收录：SCI-EXPANDED(收录号：WOS:000541010200006)、、EI(收录号：20201708572019)、Scopus(收录号：2-s2.0-85083731506)、WOS

基金：This work is supported by Guangdong Yangfan Program (201635018), Guangdong Special Support Program (2017TQ04N706), Science and Technology Planning Project of Zhanjiang City (2018A02014), Guangdong MEPP Fund (No. GDOE2019A52, R&D on Degradation of DL-PCBs and Microplastics Exposure to Microbes in South China Sea (Zhanjiang)), Industrial Development Special Funds of DapengNewArea (KY20180202), Southern Marine Science and Engineering Guangdong Laboratory (Zhanjiang) (ZJW-2019-07, ZJW-201908), Innovation and Development Project aboutMarine Economy Demonstration of Zhanjiang City (2017C8B1), and Training Programs of Innovation and Entrepreneurship for Undergraduates (CXXL2018008, CXXL2019302).

语种：英文

外文关键词：Microplastics; Nanoplastics; Pollutant; Qualitative analysis

外文摘要：The detection of microplastics and nanoplastics in the environment, especially plastic particles in aquatic environments in situ, still faces challenges due to the limitations of current methods, instruments and size of plastic particles. This paper evaluates the potential of surface-enhanced Raman spectroscopy for the analysis of microplastics and nanoplastics. The condition of different tests including the volume ratio of sample to silver colloid, the concentrations of NaCl, and the concentrations of the samples, are assessed for the study of microplastics and nanoplastics (polystyrene (PS), polyethylene (PE) and polypropylene (PP)) in pure water and seawater. A method based on SERS, that uses silver colloid as the active substrate, is developed for the qualitative analysis of microplastics and nanoplastics in aquatic environments. The particle sizes of microplastics and nanoplastics include 100 nm, 500 nm and 10 mu m. The Raman signals of microplastics and nanoplastics in purewater and seawater both show good enhancement efficiency. The optimal enhancement factor is 4 x 10(4). The SERS-based detection method overcomes the limitations of microplastics and nanoplastics in liquids and can detect 100 nm plastics down to 40 mu g/mL. It provides more possibility for the rapid detection of microplastics and nanoplastics in aquatic environments in the future. (C) 2020 Published by Elsevier B.V.