Maqola

Breaking the Size Barrier: SERS-Based Ultrasensitive Detection and Quantification of Polystyrene Plastics in Real Water Samples

Ao WangInternational Chinese-Belorussian Scientific Laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei Street, Nanjing 210094, ChinaQianqian DingInstitute of Micro-Nano Photonics and Quantum Manipulation, School of PhysicsJen MouInternational Chinese-Belorussian Scientific Laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei Street, Nanjing 210094, ChinaHongbin QiInternational Chinese-Belorussian Scientific Laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei Street, Nanjing 210094, ChinaJiazhi YangInternational Chinese-Belorussian Scientific Laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei Street, Nanjing 210094, ChinaUrol Kudratovich MakhmanovInstitute of Ion-Plasma and Laser Technologies Named After U A Arifov of the Academy of Sciences of the Republic of Uzbekistan TashkentA.V. RogachevFrancisk Skorina Gomel State University, 104, Sovetskaya Street, Gomel 246019, BelarusXiaohong JiangInternational Chinese-Belorussian Scientific Laboratory on Vacuum-Plasma Technology, Nanjing University of Science and Technology, 200, Xiaolingwei Street, Nanjing 210094, China

Analytical Chemistryjournal2025en

ABI

Annotatsiya

Plastic pollution has emerged as a critical global environmental challenge, posing substantial risks to ecosystems’ stability, biodiversity conservation, and public health protection. However, technique limitations persist in detecting and analyzing plastic particles within complex environmental matrices. This study introduces an ultrasensitive surface-enhanced Raman spectroscopy (SERS)-based method for detecting and precisely quantifying polystyrene (PS) plastic particles of various sizes in real-world aqueous samples. The developed SERS platform integrates urchin-like silver nanoparticles, generating high-density SERS hotspots, with a slippery polydimethylsiloxane (PDMS) brush surface for effective analyte enrichment. The synergistic combination achieves exceptional detection performance for dichloromethane (DCM)-dispersed polystyrene plastic particles across broad size ranges, demonstrating a remarkable detection limit of 2.57 × 10–5 mg/mL. The established quantitative relationship follows log I = 0.4501 log C + 4.1869 (R2 = 0.9899), confirming excellent analytical reliability. This advancement provides a robust analytical framework for environmental monitoring applications, particularly offering a novel approach for detecting microplastics (MPs) and nanoplastics (NPs) in real water samples.

Mavzular

Microplastics and Plastic Pollution Gold and Silver Nanoparticles Synthesis and Applications Nanopore and Nanochannel Transport Studies

Identifikatorlar

DOI: 10.1021/acs.analchem.5c03318

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