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Raman Spectroscopy Based Approaches for Microplastics Investigations
Summary
Researchers reviewed Raman spectroscopy-based approaches — including confocal Raman microscopy, surface-enhanced Raman scattering, and automated imaging — for identifying and characterizing microplastics in environmental samples, highlighting their superior chemical specificity compared to FTIR for sub-10-μm particles. Accurate chemical identification of microplastics at the nanoscale is foundational for both environmental monitoring and toxicological research, as particle composition (polymer type and additives) strongly influences biological harm.
The presence of microplastics (MPs) is becoming a significant environmental concern, as reports highlight their widespread occurrence in both urbanized areas and remote ecosystems. Microplastics smaller than 5 mm, have accumulated globally in the environment,...