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Article Tier 2 Detection Methods Nanoplastics Sign in to save

Blue micro-/nanoplastics abundance in the environment: a double threat as a Trojan horse for a plastic-Cu-phthalocyanine pigment and an opportunity for nanoplastic detection via micro-Raman spectroscopy

Environmental Science Nano 2025 4 citations

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Researchers exploited the resonance Raman signal of copper-phthalocyanine blue pigment in abundant environmental blue microplastics to enable micro-Raman spectroscopic detection of nanoplastics below conventional size limits, simultaneously identifying pigmented microplastics as a dual environmental threat and detection opportunity.

Our approach lowers the size of nanosized plastics detectable via micro-Raman spectroscopy, exploiting the resonance Raman signal from blue-pigmented, highly abundant microplastics.

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