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Nanoparticles

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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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
Language:
English

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...

Product:
NanoSight range,Zetasizer range
Date recorded:
May 28 2014
Language:
Spanish

Keywords: Nanoparticles Zetasizer range Webinar - Recorded Mexico Time Spanish NanoSight range Nanoparticle Tracking Analysis 

Accuracy and reproducibility in automated dynamic light scattering measurements Application Note (English)

In this application note, polystyrene latex standards are used to demonstrate the accuracy, reliability and reproducibility of the NanoSampler accessory for the Zetasizer Nano series of instruments.


Keywords: Emulsions and creams Nanoparticles English Application Note Molecular size Particle size Dynamic Light Scattering Pigments and toners Paints, inks and coatings Colloids Zetasizer Nano ZSP 

Characterizing liposomes for drug delivery Article (English)

Researchers examine the application and usefulness of nanoparticle tracking analysis and dynamic light scattering techniques in the characterization of liposomes used as drug delivery vehicles.


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 
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