Critical Provenance Deficits in Pvc Nanoplastics Research: Implications for Environmental Fate and Plant Uptake Studies

Jared D. Mimbs¹, Greg Hunlen² and Bipul K. Biswas^1,

¹MS Biotechnology Program, CAFST, Fort Valley State University, Fort Valley, GA 31030, USA

²Agilent Technologies Inc. USA

Cite this paper:
Jared D. Mimbs, Greg Hunlen and Bipul K. Biswas. Critical Provenance Deficits in Pvc Nanoplastics Research: Implications for Environmental Fate and Plant Uptake Studies. Applied Ecology and Environmental Sciences. 2025; 13(3):94-103. doi: 10.12691/aees-13-3-5

Abstract

Poly(vinyl chloride) (PVC) nanoplastics (< 1,000 nm) are widely used in exposure and fate studies, yet the original sourcing and pre-treatment of starting materials, which govern additive profiles, particle properties, and leachates are inconsistently reported. Our primary objective was to evaluate how PVC-nanoplastics studies report feed-stock provenance and the implications for reproducibility and environmental relevance. We conducted a systematized narrative review (PubMed, database inception to 20 July 2025) of primary studies that purchased or produced PVC particles with at least one dimension < 1000 nm and used them in exposure, characterization, fate, or calibration experiments. Data extraction captured six provenance descriptors (supplier, catalogue/lot, molecular-weight/inherent-viscosity, additive profile, cleaning/aging, pre-processing), synthesis routes, morphology, and a six-item characterization completeness score. Thirty-four studies met the inclusion criteria. Across these studies, starting materials comprised virgin scientific-grade resin (41.2%), commercially purchased PVC nanoparticles (20.6%), post-consumer waste (14.7%), virgin commercial powder (11.8%), and external reference materials (11.8%). Only 1 of 34 studies (2.9%) reported a catalogue number, while 13 of 34 (38.2%) described any additive information. The median characterization score was 2 of 6 (range 0–5). Nanoprecipitation and top-down milling were the most common synthesis methods, but reporting of yields and leachate controls was inconsistent. Provenance reporting for PVC nanoplastics is frequently incomplete, particularly for catalogue/lot numbers and additive profiles that critically influence solubility, morphology, surface chemistry, and leachate composition. We propose a PVC-specific reporting extension emphasizing supplier/batch identifiers, additive quantification, weathering/cleaning verification, and leachate controls to enable reproducible, decision-useful research.

Keywords:
Polyvinyl Chloride Nanoplastics Provenance Reporting Additive Profiles Particle Characterization Environmental Fate Reproducibility Reporting Standards Methodology

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