Issue 12, 2023

Nano–eco interactions: a crucial principle for nanotoxicity evaluation

Abstract

Engineered nanomaterials (ENMs) have excellent physical and chemical properties and are widely synthesized and utilized in industry and daily life, but this results in the introduction of large quantities of ENMs into the ecosystem. The adsorption of a variety of biomolecules within the eco-system onto the surface of ENMs forms the eco-corona, or bio-corona. The formation of environmental coronas dramatically alters the physical, chemical, and biological characteristics of ENMs and thus influences their behavior and fate. Moreover, the physicochemical properties of ENMs affect their interaction with biological fluids directly or indirectly after entering the biosystem and determine the biotransformation, biodistribution, and bioavailability of ENMs, especially with protein corona (PC) formation in plasma. Many recent studies have focused on ENM–protein interactions to avoid challenges regarding technical feasibility and sample availability; fewer studies have focused on nano–eco interactions. This review summarizes interactions between ENMs and environmental biomolecules, and characterization methods, with in-depth discussions of nano–eco interactions that dictate ENM fate and the rational design of better-adapted and less toxic ENMs, thereby offering a new perspective on biosafety evaluation for ENMs.

Graphical abstract: Nano–eco interactions: a crucial principle for nanotoxicity evaluation

Article information

Article type
Critical Review
Submitted
06 Sept. 2023
Accepted
14 Okt. 2023
First published
03 Nov. 2023

Environ. Sci.: Nano, 2023,10, 3253-3270

Nano–eco interactions: a crucial principle for nanotoxicity evaluation

J. Ren, Q. Bao, Y. Yang, Y. Tang, N. Zhang, G. Liu, S. Zhang, H. Gao and S. Liu, Environ. Sci.: Nano, 2023, 10, 3253 DOI: 10.1039/D3EN00617D

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