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Related Concept Videos

Microbial Growth Measurement: Indirect Methods01:27

Microbial Growth Measurement: Indirect Methods

Estimating microbial growth is essential for understanding population dynamics and environmental adaptations. Indirect methods provide valuable insights by measuring parameters such as turbidity, metabolic activity, and biomass, enabling efficient and reproducible assessments.During exponential growth, microbial cells scatter light proportionally to their biomass, a principle used in turbidity measurements. About one million cells per milliliter produce detectable scattering, which a...
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Updated: Jun 13, 2026

Sampling and Identification of Microplastics in Groundwater
08:27

Sampling and Identification of Microplastics in Groundwater

Published on: November 7, 2025

Thermal analysis techniques for microplastic mass quantification: Methodological challenges and standardization

Yuzhu Zhang1, Yuhui Liu1, Gang Li2

  • 1National Institute of Metrology, Beijing, 100029, China.

Talanta
|June 11, 2026
PubMed
Summary
This summary is machine-generated.

Standardizing methods for detecting microplastics (MPs) and nanoplastics (NPs) is crucial. This review highlights thermal analysis techniques and proposes solutions for consistent, comparable data across environmental samples.

Keywords:
Environmental matrixMass concentrationMicroplasticsPyrolysis-gas chromatography/mass spectrometryThermal analysis

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Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
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Published on: December 16, 2016

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Last Updated: Jun 13, 2026

Sampling and Identification of Microplastics in Groundwater
08:27

Sampling and Identification of Microplastics in Groundwater

Published on: November 7, 2025

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis
10:16

Protocol for Microplastics Sampling on the Sea Surface and Sample Analysis

Published on: December 16, 2016

Area of Science:

  • Environmental Science
  • Analytical Chemistry
  • Materials Science

Background:

  • Microplastics (MPs) and nanoplastics (NPs) are pervasive environmental contaminants.
  • Standardized methods for their quantification are urgently needed.
  • Thermal analysis techniques are promising for mass-based detection.

Purpose of the Study:

  • To systematically review thermal analysis techniques for MP and NP quantification.
  • To identify critical standardization gaps in current methodologies.
  • To propose a roadmap for harmonizing thermal analysis in MP research.

Main Methods:

  • Systematic literature review following PRISMA guidelines.
  • Searched Web of Science database (inception to December 1, 2025).
  • Evaluated techniques: Py-GC-MS, TGA-MS, TED-GC-MS, DSC across seven environmental matrices.

Main Results:

  • Identified standardization gaps: inconsistent marker ion selection, unvalidated TRWP factors, lack of certified reference materials.
  • Py-GC-MS has lipid interference issues; TED-GC-MS offers higher sensitivity but lacks real-time monitoring.
  • Data comparability is hindered by methodological inconsistencies.

Conclusions:

  • Harmonized ion selection and matrix-specific protocols are needed for TRWP quantification.
  • Inter-laboratory validation using reference materials is essential.
  • Standardized thermal analysis will improve MP and NP research data comparability.