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The small size of nanoparticles is of utmost importance in order for them to maintain their unique optical, electronic, thermal and chemical properties. Measuring their size is therefore critical to understanding these nano-scale materials.

Zeta potential is another important parameter that is related to nanoparticle stability or aggregation in a dispersion, and can have significant implications on product performance.

Light scattering, especially dynamic light scattering, and electrophoretic light scattering are now the standard techniques for measuring the size and zeta potential of dispersed nanoparticles. Two new techniques, Nanoparticle Tracking Analysis (NTA), and also Resonant Mass Measurement (RMM) can also be used for sizing nanoparticles as well as counting the number of particles present in a sample, and both are especially suited to polydisperse samples. NTA is provided via the Malvern NanoSight range of instruments, and RMM is available via Archimedes.

Malvern offers a range of fast, reliable and simple to use systems that incorporate light scattering technology, resonant mass measurement or nanoparticle tracking analysis, which are used to:

  • Determine nanoparticle size.
  • Detect the formation of aggregates in a sample containing nanoparticles.
  • Measure zeta potential for an indication of nanoparticle stability.
  • Count the number of nanoparticles present in a sample.

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Nanobubbles - separating the fact from fiction Webinar - Live (English)

Ultra-Fine (nano) bubbles have garnered increasing interest over the last few years as they open up the potential for improvements in a variety of applications from cleaning to agriculture. However they are still somewhat a mystery with respect to th...

Archimedes,NanoSight LM10,NanoSight NS300,NanoSight NS500,Zetasizer Nano ZSP
October 30 2014
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Keywords: Nanoparticles English Particle concentration Particle size Dynamic Light Scattering Abrasives Cement Ceramics Metals Minerals Mining waste Coal and fly ash Carbon Webinar - Live Eastern Time Resonant mass measurement Zetasizer Nano ZSP Archimedes NanoSight NS500 NanoSight NS300 NanoSight LM10 Nanobubbles Nanoparticle Tracking Analysis 

How can Nanoparticle Tracking Analysis assist in the production of nanoparticles Whitepaper (English)

This white paper highlights the growth in the use of the technique of Nanoparticle Tracking Analysis (NTA) as applied to nanoparticles and nanomaterials production and analysis, from the very first reports on nanoscale silver and gold (Lundahl et al....

Keywords: Nanoparticles English Whitepaper Particle concentration Particle size NanoSight range Nano regulations Carbon nanotubes Nanoparticle Tracking Analysis 

Zeta potential measurements of high conductivity colloidal samples Application Note (English)

The diffusion barrier technique can be used for any colloidal sample with high conductivity. This application note discusses the application of the diffusion barrier technique to high conductivity samples through the measurement of various liposome s...

Keywords: Nanoparticles English Application Note Zeta potential Electrophoretic Light Scattering Specialty chemicals Colloids Liposomes and micelles Zetasizer Nano Z Zetasizer Nano ZS Zetasizer Nano ZS90 Zetasizer Nano ZSP 

Assessing Drug Encapsulation Efficiency using Nanoparticle Tracking Analysis Application Note (English)

In this application note we describe the use of Nanoparticle Tracking Analysis (NTA) for size and concentration measurements of drug delivery nanoparticles. In addition, by using a fluorescently tagged drug molecule, it was possible to determine how ...

Keywords: Nanoparticles English Application Note Particle concentration Particle size Liposomes and micelles Viruses and vaccines Biological drug characterization and development Biopharmaceutical manufacturing NanoSight range Nanoparticle Tracking Analysis 

The roles of nanoparticles in therapeutic protein aggregation pathways Webinar - Recorded (English)

Recent work by our guest presenter, Dr. John Carpenter (University of Colorado Anschutz Medical Center), discovered that nanoparticles present in solutions of intravenous immunoglobulin (IVIG) serve as precursors for microparticles during pharmaceuti...

NanoSight range
Date recorded:
September 25 2014

Keywords: Nanoparticles English Particle concentration Particle size Viruses and vaccines Webinar - Recorded Eastern Time Protein aggregation Proteins Biopharmaceutical development NanoSight range Nanoparticle Tracking Analysis 
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