zeta potential – TechConnect Briefs

Determining the Quality of Asphalt Emulsions by Size and Zeta Potential

Ragheb R., Park K., Nobbmann U., Casola J., Malvern Panalytical, US

Asphalt binder emulsions have proven to be an environmentally friendly, energy efficient, and cost-effective alternative to hot asphalt binder mixtures [1]. They are typically used for roadway resurfacing where they are employed as an adhesive [...]

Thorough Characterization of Liposomes by Complementary Light and X-Ray Scattering Techniques

Ragheb R., Bolze J., Taylor G., Tamaddoni N., Griffiths D., Nobbmann U., Malvern Panalytical, US

Liposomes are spherical vesicles with an aqueous core enclosed by one or more phospholipid bilayers or lamellae and are frequently classified based on their size and number of bilayers [1]. They are often used in [...]

Preparation and Characterization of Highly Dispersive Acrylic Acid/Styrene Submicrocapsules by using Miniemulsion Copolymerization

Ghim H-D, Hwang Y., Kim M.K., Kyungpook National University, KR

This study reports the preparation and characterization of acrylic acid/styrene (AA/St) submicrocapsule having high value of zeta potential by using phytoncide oil as a model material. AA/St submicrocapsules were prepared by miniemulsion copolymerization with 1,3-diphenyl-2-propanone, [...]

Membrane-Particle Interactions in Asymmetric Flow Field Flow Fractionation (A4F) – The Influence of the ζ-Potential

Losert S., Hungerbühler K., Bendixen N., Ulrich A., EMPA, CH

Asymmetric flow field flow fractionation is a powerful and promising technique for the separation of nanoparticles. In combination with UV/Vis detection, multi-angle light scattering and coupled to ICP-MS it is a fast and quantitative analytical [...]

Extending the Lifetime of Zeta Potential Electrodes

Bodycomb J., Bruno D., Treviranus I., Bumiller M., Horiba Scientific, US

Nanoparticle development and manufacturing require appropriate particle characterization techniques to determine if design or quality goals are being met. One important aspect of many nanoparticle systems is the zeta potential, a measure of surface charge. [...]

Experimentally-validated theory for the effective zeta potential in microchannel with gate electrodes

Bonotto F., Lenzi A., Viola F., Napoli M., Frey J., Pennathur S., university of california, santa barbara, US

In this work we develop an approach to solve for the effective zeta potential in a channel with nonuniform zeta potentials, such as metal gate electrodes in the channel network for flow control applications. Specifically, [...]

Using Zeta Potential to Optimize the Water Clarification Process in a Full-Scale Water Production Facility

Nobbmann U., Gertig K.R., Billica J.A., Morfesis A., Malvern Instruments, Inc., US

Zeta potential provides a measurable value to monitor optimal water clarification capabilities. The magnitude of the zeta potential value indicates the repulsive interaction between particles; a zero zeta potential means that the conditions for the [...]

Using Zeta Potential to Optimize the Water Clarification Process in a Full-Scale Water Production Facility

Nobbmann U., Gertig K.R., Billica J.A., Morfesis A., Malvern Instruments, Inc., US

Zeta potential provides a measurable value to monitor optimal water clarification capabilities. The magnitude of the zeta potential value indicates the repulsive interaction between particles; a zero zeta potential means that the conditions for the [...]

The real-time, simultaneous analysis of nanoparticle size, zeta potential, count, asymmetry and fluorescence

Carr R., Hole P., Malloy A., Smith J., Weld A., Warren J., NanoSight Ltd, UK

A new nanoparticle sizing and characterisation technique is described which allows nanoparticles in a suspension to be individually but simultaneously detected and analysed in real time using a low cost instrument. Nanoparticles of all types [...]

Nanoparticle characterization using light scattering technologies

Xu R., Beckman Coulter, Inc., US

To size smaller particles, dynamic light scattering (DLS) that utilizes time variation of scattered light from suspended particles to obtain their hydrodynamic size distribution is the most popular technology. For measuring turbid samples with particle [...]