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UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media

UV-Vis Spectroscopic Characterization of Nanomaterials in Aqueous Media

Published on: October 25, 2021

Minimum physicochemical characterisation requirements for nanomaterial regulation.

Michala E Pettitt¹, Jamie R Lead

¹School of Geography, Earth and Environmental Sciences, University of Birmingham, Edgbaston, Birmingham, West Midlands, UK.

Environment International

|January 3, 2013

Summary

Characterizing manufactured nanomaterials (NM) is crucial for safety and regulation. This review proposes essential physicochemical parameters for regulatory compliance, focusing on the EU

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Capillary Electrophoresis Mass Spectrometry Approaches for Characterization of the Protein and Metabolite Corona Acquired by Nanomaterials

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Published on: October 27, 2020

Area of Science:

Materials Science
Environmental Science
Regulatory Science

Background:

Manufactured nanomaterials (NM) are increasingly prevalent, necessitating robust characterization for safety assessments.
Growing production volumes of NMs heighten concerns regarding their environmental and toxicological impacts.
Standardized characterization methods are essential for reliable NM risk evaluation.

Purpose of the Study:

To review characterization requirements within current and future regulatory frameworks for NMs.
To propose minimum physicochemical parameters for regulatory compliance, particularly under the EU's REACH framework.
To examine guiding principles for NM characterization during hazard testing.

Main Methods:

Literature review of regulatory frameworks and scientific publications on NM characterization.
Analysis of characterization needs for synthesis, formulation, toxicology, and regulation.
Assessment of techniques and methodologies for describing NM physicochemical properties.

Main Results:

Regulatory frameworks, especially the EU REACH, demand prescriptive characterization of NMs.
A core set of minimum physicochemical parameters is identified as essential for regulatory purposes.
The review discusses optimal data acquisition mechanisms and particle characterization principles for hazard testing.

Conclusions:

Standardized and rigorous characterization of NMs is vital for regulatory compliance and risk assessment.
Specific physicochemical parameters are proposed to meet the demands of frameworks like EU REACH.
Clear guidelines for NM characterization in hazard testing are crucial for ensuring safety.