Advancements in Raman imaging for nanoplastic analysis: Challenges, algorithms and future Perspectives

C Fang, Y Luo, R Naidu - Analytica Chimica Acta, 2024 - Elsevier
Background While the concept of microplastic (< 5 mm) is well-established, emergence of
nanoplastics (< 1000 nm) as a new contaminant presents a recent and evolving challenge …

Pretreatment, identification and quantification of submicro/nano-plastics in complex environmental matrices

Q Zhou, S Ma, B Liu, J Zhang, J Chen, D Zhang… - TrAC Trends in …, 2023 - Elsevier
Submicro/nano-plastics (subμ-NPs,< 1 μm), as emerging environmental contaminants, are
gaining increasing attention worldwide since they are easier ingested by organisms and …

[HTML][HTML] Super-resolution imaging of micro-and nanoplastics using confocal Raman with Gaussian surface fitting and deconvolution

C Fang, Y Luo, R Naidu - Talanta, 2023 - Elsevier
Confocal Raman imaging can directly identify and visualise microplastics and even
nanoplastics. However, due to diffraction, the excitation laser spot has a size, which defines …

Integrating Metal–Phenolic Networks-Mediated Separation and Machine Learning-Aided Surface-Enhanced Raman Spectroscopy for Accurate Nanoplastics …

H Ye, S Jiang, Y Yan, B Zhao, ER Grant, DD Kitts… - ACS …, 2024 - ACS Publications
Increasing accumulation of nanoplastics across ecosystems poses a significant threat to
both terrestrial and aquatic life. Surface-enhanced Raman scattering (SERS) is an emerging …

Electrokinetically enhanced label-free plasmonic sensing for rapid detection of tumor-derived extracellular vesicles

TJ Kwak, T Son, JS Hong, UA Winter, MH Jeong… - Biosensors and …, 2023 - Elsevier
Abstract Analysis of rare circulating extracellular vesicles (EV) from early cancers or different
types of host cells requires extremely sensitive EV sensing technologies. Nanoplasmonic EV …

Challenges and Recent Analytical Advances in Micro/Nanoplastic Detection

S Choi, S Lee, MK Kim, ES Yu, YS Ryu - Analytical Chemistry, 2024 - ACS Publications
Despite growing ecological concerns, studies on microplastics and nanoplastics are still in
their initial stages owing to technical hurdles in analytical techniques, especially for …

Integrated passive sensing chip for highly sensitive and reusable detection of differential-charged nanoplastics concentration

YX Wang, SF Fu, MX Xu, P Tang, JG Liang… - ACS …, 2023 - ACS Publications
In this work, a new type, highly sensitive, and reusable nanoplastics (NPs) microwave
detection method is proposed, which can be used to rapidly analyze NPs with different …

Nanopore detection of sub-nanosized plastics in PE-coated paper cups and analysis of their inflammatory responses

G Cho, K Kim, W Chen, S Son, TJ Jeon… - Chemical Engineering …, 2024 - Elsevier
In recent years, there has been growing global concern about environmental pollution, and
the increasing use of plastic products has made microplastics a serious environmental …

Quantitative and rapid detection of nanoplastics labeled by luminescent metal phenolic networks using surface-enhanced Raman scattering

H Ye, EB Esfahani, I Chiu, M Mohseni, G Gao… - Journal of Hazardous …, 2024 - Elsevier
The escalating prevalence of nanoplastics contamination in environmental ecosystems has
emerged as a significant health hazard. Conventional analytical methods are suboptimal …

Investigating microplastics and nanoplastics released from food bag ziplock using SEM and Raman imaging

C Fang, J Yu, S Gopalan, R Naidu - Nano Express, 2024 - iopscience.iop.org
Microplastic contamination is a concern in our daily lives, such as being released from self-
sealing ziplock (sliderless zipper) plastic bags commonly used for food storage. That is …