Indirect determination of environmental polylactic acid microplastic residues using a single-atom nickel composite electrode
文献类型： 外文期刊
作者： Pei, Yuexin 1 ; Pei, Xinlong 1 ; Shang, Ruichao 1 ; Wang, Zehui 1 ; Liang, Gang 2 ; Li, Long 1 ; Yue, Ying 3 ; Zhu, Hong 1 ; Gong, Wenwen 2 ;
作者机构： 1.Beijing Univ Agr, Coll Biosci & Resource Environm, Beijing 102206, Peoples R China
2.Beijing Acad Agr & Forestry Sci, Inst Qual Stand & Testing Technol, Beijing 100097, Peoples R China
3.Beijing Computat Sci Res Ctr, Beijing 100193, Peoples R China
关键词： Environmental monitoring; Mulch contamination; Polylactic acid microplastics; Single-atom Ni; Electrochemical detection
期刊名称：ANALYTICAL AND BIOANALYTICAL CHEMISTRY （ 影响因子：3.8； 五年影响因子：3.8 ）
ISSN： 1618-2642
年卷期： 2025 年
页码：
收录情况： SCI
摘要：
The widely accepted application of polylactic acid (PLA) films as agricultural mulch films has led to the accumulation of microplastics (MPs) in soil ecosystems, causing severe white pollution. Developing a convenient method to detect PLA in the environment is essential for pollution control. In this study, single-atom nickel-doped nitrogen on carbon nanosheets (Ni-N-C) combined with gold-palladium nanoparticles (AuPdNPs) enabled highly sensitive lactic acid detection. Through oxidation catalyzed by the single-atom metal, the detection range for lactic acid was 50 mu mol
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