TECHNOLOGIES

Quartz crystal microbalance with dissipation monitoring, QCM-D
The QCM-D technology can be used to characterize the formation of thin films (nm) by collecting both the dissipation and the resonance frequency changes of a quartz crystal sensor. QCM-D information about mass change and structural properties is provided label-free and in real-time. This is QCM-D, Q-Sense's proprietary sensing technology.  
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Tensiometers
Optical tensiometers (also known as contact angle meters or goniometers)
Suitable for measurement of Contact angle, Dynamic contact angle, Surface free energy, Surface tension, Interfacial tension, Interfacial rheology.
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Force tensiometers
Suitable for measurement of surface tension, interfacial tension, dynamic contact angle, surface free energy, critical micelle concentration, powder wettability, sedimentation, density, oil-water interfacial tension & density according to ASTM-D971 standard.
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Bubble tensiometers
Suitable for measurement of dynamic surface tension, bubble lifetime, bubble deadtime, hydrostatic pressure, effective adsorption time.
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Volumetric tensiometers
Suitable for measurement of at-line (or on-line) surface tension for water-based solutions.
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Langmuir-Blodgett, LB
The Langmuir technique enables the fabrication of monolayers at the gas-liquid or liquid-liquid interface with precision control over the lateral packing density of molecules. The Langmuir-Blodgett deposition technique enable homogenious deposition of these monolayers over large areas and gives the possibility to make multilayer structures with varying layer composition.
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Interfacial Shear Rheometry, ISR
Rheology is a branch of science studying the flow of materials. Interfacial rheology concerns the unique two dimensional systems formed between two immiscible phases like liquid and gas or liquid and liquid. The stability of interface depends a lot on the viscoelastic properties of the interface, which makes it a crucial aspect for many industries where foams, emulsions and dispersions are used such as pharmaceuticals, foods, beverages, cosmetics and coatings.
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PM-IRRAS (FTIR Reflection Spectroscopy)
Polarization Modulation Infrared Reflection Adsorption Spectroscopy (PM-IRRAS) is a powerful surface specific spectroscopic method for thin films and floating monolayers. Similarly to more conventional IRRAS, the method utilizes the differences in reflectivity of interfaces for p-polarized (perpendicular to surface) and s-polarized (planar to surface) light.
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Brewster Angle Microscopy
Brewster Angle Microscopy provides a perfect solution for noninvasive imaging of monolayers at the air-water interface. Real-time observation and recording of film structure enables dynamic activity to be captured.
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Dip Coating
Dip coating is the precision controlled immersion and withdrawal of any substrate into a reservoir of liquid for the purpose of depositing a layer of material. Many chemical and nanomaterials engineering research projects in academia and industry make use of the dip coating technique.
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Patch clamp
The patch clamp technique is considered the gold standard in ion channel research. The technique was developed by Erwin Neher and Bert Sakmann in the 1970's, who received the Nobel Prize in Physiology and Medicine (1991) for their work.
In a traditional patch clamp experiment, the cell membrane is manually ruptured by a tiny glass pipette. Via an electrode in the glass pipette, the tiny current through the ion channels can be measured. The typical throughput is three to ten successful patch clamp experiments per day and requires patience and high level insight in electrophysiology.
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