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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 7, 2026

Measurement of Particle Size Distribution in Turbid Solutions by Dynamic Light Scattering Microscopy
09:16

Measurement of Particle Size Distribution in Turbid Solutions by Dynamic Light Scattering Microscopy

Published on: January 9, 2017

Microparticle sizing and counting using light scattering methods.

Don A Gabriel1, Karen Giordano

  • 1Division of Hem/Onc, University of North Carolina School of Medicine, Chapel Hill, North Carolina 27599, USA. dgabriel@invitrox.com

Seminars in Thrombosis and Hemostasis
|November 5, 2010
PubMed
Summary
This summary is machine-generated.

New light scattering methods provide fast, accurate particle size distribution analysis. These techniques also reveal surface characteristics and binding kinetics without chemical modification, aiding product development and diagnostics.

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Area of Science:

  • Analytical Chemistry
  • Materials Science
  • Biophysics

Background:

  • Particle size distribution is crucial for material properties and biological interactions.
  • Traditional methods can be time-consuming or require sample modification.
  • Accurate characterization is essential for product development and diagnostics.

Purpose of the Study:

  • To highlight the advantages of novel light scattering methods for particle analysis.
  • To demonstrate the capability of these methods for real-time surface reaction monitoring.
  • To showcase their utility in determining binding constants and kinetics without chemical modification.

Main Methods:

  • Utilizing advanced light scattering techniques for particle characterization.
  • Applying extensions of these methods for in-situ surface reaction assessment.
  • Employing label-free approaches to study molecular interactions.

Main Results:

  • Obtained accurate particle size distribution, surface characteristics, and hydrodynamic volume.
  • Successfully monitored surface reactions in real-time without reporter groups.
  • Determined binding constants and kinetics of ligand-surface interactions without chemical modification.

Conclusions:

  • Light scattering methods offer significant advantages in speed, accuracy, and operational ease.
  • These techniques enable label-free, real-time analysis of surface interactions.
  • The methods provide valuable tools for product development, clinical diagnostics, and therapeutic monitoring.