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

Presenters: John F. Carpenter, Ph.D., Center for Pharmaceutical Biotechnology, Department of Pharmaceutical Sciences, University of Colorado Anschutz Medical Center Pauline Carnell, Product Manager ...

NanoSight range
September 25 2014

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

Extending the options for particle characterisation Article (English)

Particle size is a core performance defining characteristic throughout the metal powders and ceramics industries. As new materials and production methods are developed, an increasing range of techniques is needed to understand the materia...

Keywords: Nanoparticles English Article Particle concentration Particle size NanoSight range Nanoparticle Tracking Analysis 

Meeting global energy needs - How nanomaterials can change the world Webinar - Recorded (English)

There is increasing interest and investment in the energy sector and in particular alternative energy production and storage devices. Nanomaterials and nanoparticles are playing an increasingly important role in this arena from the use of...

Date recorded:
June 4 2014

Keywords: Nanoparticles English Energy and environment Fuel cells Webinar - Recorded Eastern Time 

Hit the Target Article (English)

Liposomes are fast becoming a preferred vehicle for delivering therapeutic drug molecules to target sites. This article discusses two techniques for the measurement of their size, concentration and zeta potential.

Keywords: Nanoparticles English Article Particle concentration Particle size Zeta potential Dynamic Light Scattering Electrophoretic Light Scattering Liposomes and micelles Zetasizer Nano range NanoSight range Nanoparticle Tracking Analysis 

Nuevos puntos de vista en la caracterización de nano partículas Webinar - Recorded (Spanish)

La incorporación de la gama de instrumentos NanoSight para la caracterización de nano partículas añade otra técnica ortogonal a la suite de herramientas disponibles de Malvern. El análisis de rastreo de nano partículas es una nueva tecnología de alta...

NanoSight range,Zetasizer range
Date recorded:
May 28 2014

Keywords: Nanoparticles Zetasizer range Webinar - Recorded Mexico Time Spanish NanoSight range Nanoparticle Tracking Analysis 
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The roles of nanoparticles in therapeutic protein aggregation pathways
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