Migration pattern and biochemical response characteristics of polylactic acid nanoparticles in pakchoi (<i>Brassica chinensis</i> L. cv. SuZhou) seedlings.

ABSTRACT: Nanoplastics represent an emerging class of pollutants that infiltrate aquatic and terrestrial environments through diverse pathways, posing significant threats to ecosystems. However, research on the accumulation and translocation mechanisms of biodegradable nanoplastics in plants remains limited. In this investigation, pakchoi (Brassica chinensis L. cv. SuZhou) was exposed to fluorescently labeled polylactic acid nanoplastics (PLA-NPs) in hydroponic solutions with varying concentrations (20 mg/L, 50 mg/L) and particle sizes (170 nm, 330 nm) to investigate the migration, distribution patterns, and associated toxicological responses of PLA-NPs in pakchoi. Both microscopic imaging and fluorescence semi-quantitative analysis confirmed that PLA-NPs of both tested particle sizes can ent

SUBMITTER: Zhao X 

PROVIDER: S-EPMC12900762 | biostudies-literature | 2026

REPOSITORIES: biostudies-literature