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The Langmuir trough module for tensiometers of the DCAT-series by DataPhysics Instruments can be used to study monolayers of surface-active molecules. Applications include the fundamental research of surfactants and surface-active nanoparticles, the modelling of cell membranes and biomolecular interactions, as well as applied research on dispersing agents and stabilisers for food, cosmetics, petroleum, and pharmaceuticals. Learn more on our website: https://www.dataphysics-instruments.com/products/dcat/

In the detergent industry, but also in the development of paints and coatings, measuring surface and interface tension as well as dynamic contact angles is very important. With the tensiometers of the DCAT-series from DataPhysics Instruments and its standardised sample bodies you can conduct those and more measurements precisely and efficiently. On top of standard measurements, the expandable, modular DCAT-systems offer a variety of additional possibilities. Learn more on our website: https://www.dataphysics-instruments.com/products/dcat/

The purity of solid surfaces plays a critical role during the manufacturing process of many products, such as wafers. Particle contaminations on wafer surfaces lead to a drastic decrease in device yield. A powerful technique to evaluate charged surface functionalities is the measurement of the zeta potential, that is, the electric potential of solid surfaces in contact with an electrolyte solution. The new ZPA 20 zeta potential analyzer from DataPhysics Instruments measures the zeta potential of fibres, powders, and plate-shaped surfaces. In this application note, we study the functionalities ...

The zeta potential characterises the charge situation at a solid surface in solution. Click to read more...

Surface treatments like the atomic layer deposition can be utilised to encapsulate medical implants with a nanometre-thin metal-oxide-coating, protecting implants from the harsh environment of the body. However, atomic layer deposition also encapsulates active surface areas of the implant, such as electrodes made from platinum, which negatively affects the conductivity of those electrodes. Thus, it is necessary to exclude active surface areas like electrodes from the surface coating process. Self-assembled monolayers (SAMs) can be used to passivate surface areas which should not be coated. SAM...