Membrane wettability is a key property to ensure success of membrane distillation process
Read the guidelines on how to decide which QCM instrument will be the most suitable for your needs
The same measurement modes used in bulk rheology are also meaningful in interfacial rheology.
Learn about how QSense analysis can be used to assess adsorption of biologics and excipients and reduce the risk of late discoveries of incompatibilities
Surface inspection is done to guarantee optimum surface properties for coating and bonding
Read about how protein adsorption at various surface and solution conditions quickly can be measured
Regular inspection of the transformer oil quality is important to ensure the operation of the transformer. Several methods are available, but the newly released IEC 62691 standard is based on the interfacial tension measurement between water and the transformer oil.
Read about what single-harmonic and multi-harmonic QCM-D means and what the difference is between these instruments.
Soap molecules decrease the adhesion force between the dirt and the substrate leading to less external work e.g. rubbing required to remove the dirt.
Read about how QSense QCM-D analysis is used as a powerful tool to investigate protein-lipid nanoparticles binding affinity
Surface tension plays an important role in Li-ion battery slurry optimization.
Learn about the difference between the theoretical QCM sensitivity and the sensitivity which is relevant in a measurement situation.
The wetting characteristics of the electrode material play a pivotal role in both the manufacturing and performance of batteries.
Read about the working principles of electrochemistry and where it is typically used.
Surface tension plays an important role in the electroplating solution.
Read about the piezoelectric effect and how piezoelectricity arises
QCM-D is utilized to understand the compatibility and to identify solution and excipient conditions that minimize the adsorption of therapeutic proteins
Hydrophobic surface properties are needed in contact with the food product while hydrophilicity is needed when printing on food packaging.
Cleaning product performance assessments can be time-consuming, but with the right approach, evaluation and ranking can take less than one hour.
Wettability is pivotal in pharmaceutical dosage form manufacturing as well as in drug efficacy.
Learn more about QSense 4th generation QCM-D platform which provides a sharper tool in the scientist toolbox and simplifies data interpretation.
Micellar water is a clear, water-like liquid that contain one or several different types of surfactants.
Learn about how biointerfaces and biomolecular interactions can be studied using QSense® QCM-D and what information these measurements offer.
One of the major factors limiting the analysis of contact angles is the accurate assignment of the baseline.
Read about Prof. Jackman's experience using QCM-D to study surfactant-interaction with model membranes
Understanding the wettability of membranes is essential for optimizing these processes and achieving desired separation outcomes.
Sign upp for the webinar to learn more about how QCM-D is used to study biomaterial-induced activation of the immune system
The concept of wettability, its importance in biomaterials, and how it can be manipulated to improve biocompatibility and overall performance are reviewed.
Learn about what aspects to consider after you have run a QCM measurement
The L and LB techniques offer a unique tool to investigate phenomena at the air-water interface as well as the possibility to mimic biological phenomena.
QSense Omni is designed to offer cutting-edge QCM-D performance in modular setup-configurations based on user needs
Nanoparticle thin films are gaining recognition and use in various products and applications including displays, sensors, and energy storage.
To quantify the QCM mass you can use either the Sauerbrey equation or viscoelastic modelling. Learn what happens if you use the wrong approach.
Pickering emulsions utilize solid particles to stabilize the interface between the two immiscible liquids
Read about Prof. Jackman's experience using QCM-D in the field of membrane biophysics.
International Congress on Interfacial Rheology was held in Athens from the 29th of July to the 4th of August 2023.
Read about how QSense QCM-D analysis is used to investigate the effect of airborne Palladium nanoparticles on human lung cells, endothelium and blood.
We introduce the four different techniques that have been identified to study the wettability of the milk powder.
Get a checklist that will help you optimize the reproducibility of your QCM-D data by minimizing unintentional changes of the QCM-D parameters.
A spreading coefficient is a measure of the wetting behavior of a liquid on a solid surface.
Read about how QSense QCM-D analysis is used in the quest to tackle inflammation and bacterial infections on implant surfaces.
When measuring contact angles or making surface tension measurements with a pendant drop, selecting the correct tip or needle for your liquid is crucial.
Learn more about the different QCM:s and when to use which one.
The surface tension of water is about 72 mN/m at room temperature which is one of the highest surface tension for liquid.
Learn about what aspects to consider when running your QCM measurement
Surfactants are utilized in numerous products from cleaning formulations to paints and pesticides.
QSense Omni is designed to minimize the user knowledge required to produce high-quality QCM-D data.
Wettability is important in various pharmaceutical process steps from the manufacturing of solid dosage forms to their disintegration and dissolution
The quality of the data produced by an analytical instrument is crucial and noise and drift play a significant role in determining the outcome.
Surface tension is a quantitative measure that can be correlated with a solution’s ability to remove dirt.
Learn the guidelines on how to assess which method to use to quantify QCM mass.
The earliest known reference to contact angle measurement was made by Thomas Young in 1805.
Learn more about mathematical modelling in science, examples of models, what to keep in mind when modelling, challenges and pitfalls to avoid.
LB films offer various opportunities for the creation of biosensors.
Learn about what aspects to consider when setting up your QCM measurement
Chemical etching of fluoropolymers is a process used to selectively remove material from the surface using chemical solutions to improve wettability.
Learn more about QSense 4th generation QCM-D platform
Wetting and adhesion analysis has been added to our all-inclusive OneAttension software and is available for download for all OneAttension customers.
Temperature stability is critical for reliable QCM data. Here are the top four factors that will help you eliminate temperature induced artifacts.
Surfactants reduce the surface tension of solutions but can also change the wettability of solids.
Sensitivity vs Limit of detection (LOD) - read about how they compare and why one is more imoprtant than the other.
Foam stability refers to the ability of a foam to maintain its structure and resist collapse over time.
Learn about lipid nanoparticle designs for drug delivery purposes and related research
Surface tension and wettability are important physical properties that play a significant role in the effectiveness of agrochemicals.
Read about the key signatures in the QCM data that reveal if viscoelastic modelling should be used to extract the mass.
Explains three different methods to measure surface tension.
Viscoelasticity is a quality involving both viscous and elastic properties at the same time.
Biosurfactants have similar functionality as their chemical counterparts, but they are biological in nature.
Read about what the different QCM parameters mean and which ones you should keep an eye on
QCM-sensor regeneration can be a resource efficient way of running experiments. Learn about aspects to consider if you plan to resuse ypur sensors.
Read about how QSense QCM-D analysis was used to better understand why and what affects an increased transmissibility of SARS-CoV-2
The blog post describes what is surface tension and why is surface tension important in many industrial processes
Learn more about QCM - Quartz Crystal Microbalance
Watch the webinar to learn more about how to combine QCM-D and Neutron reflectrometry to examine membrane biochemistry at the solid-liquid Interface
Learn about what aspects to consider when preparing your QCM samples and solvents
Read about how QSense QCM-D was used in the development of a new thermoresponsive polymer brush with antifouling properties for biomedical applications.
This difference in wettability is key in determining how each membrane is used.
Learn more about recent efforts on implementing QCM-D and EQCM-D for reliable biosensing
Drop volume can have an effect on contact angles on certain surfaces.
Read about how EQCM and EQCM-D are used in battery development and help researchers take battery performance to the next level.
Surface pressure—area isotherm can be defined as a measurement at a constant temperature of surface pressure, as a function of the available area for each molecule in Langmuir film.
The Sauerbrey equation is straightforward to use, but it should only be applied when it is valid. Learn about when it can be used with confidence.
A Langmuir-Blodgett film can be defined as one or more monolayers of material deposited from a liquid surface onto a solid substrate.
Learn about some common data analysis methods used in science, such as qualitative-, quantitative-, exploratory-, descriptive-, and predictive analyses.
Temperature stability is key to achieve reliable and reproducible QCM measurements. Read about what temperature related artifacts that can arise.
Receding contact angle is the lowest possible contact angle on a given surface. Receding angle is measured on previously wetted surface.
Learn about what aspects to consider when preparing your QCM-sensors
Advancing contact angle is the highest possible contact angle measured on a previously unwetted solid surface.
Read about how QSense EQCM-D analysis was used to explore the build-up, evolution, and mechanical properties of the solid electrolyte interphase (SEI).
Roughness corrected contact angle, is an angle where the effect of surface roughness is taken away.
In QCM measurements, access to multiple harmonics is often needed. Here we explain when and why.
Instead, one can measure static contact angles, advancing and receding contact angles, and roughness corrected contact angles.
Read about how QSense EQCM-D, Electrochemical Quartz Crystal microbalance with Dissipation monitoring, was used to analyse new battery electrode materials.
In this blog post, the most common interfacial shear rheology methods are reviewed.
Read about how QCM-D and QCM-I compare, their working principles and suitable applications.
The method to calculate the surface tension component is defined in ISO 19403-5:2017 standard.
Learn more about what questions QSense analysis can help answer in the context of container-closure interaction
Interfacial rheology studies the response of the interfacial layer to the external stimuli at air-liquid or liquid-liquid interfaces.
Learn about design of experiments, an efficient approach to experimental planning, execution and analysis.
Interfacial shear rheology at the gas-liquid or liquid-liquid interface is relevant in a wide range of applications where foams and emulsions are used.
Learn about three simple ways that can help you get the most out of your QCM-D data collection.
Contact angle measurements offer a fast and sensitive way to evaluate the effectiveness of different cleaning processes.
Find out more about how to use QCM-D for polymer characterization and to analyze polymer interactions at surfaces.
With all the approaches successful CO2 storage is mainly related to fluid-fluid and fluid-rock interfacial interactions.
Read about how you can tell a QCM-D bulk shift from a response due to molecular adsorption.
The knowledge of surface tension, contact angle, and viscoelastic properties of emulsions, solutions, and foams have great importance in food science.
Learn more about Quartz Crystal Microbalance with Dissipation monitoring technology, QCM-D, from a user perspective.
Calendering, a common compaction process for Li-ion batteries, will significantly impact the pore structure and thus also the wettability of the electrode.
Read about why QCM-D bulk shifts arise and how you could plan your experiments to avoid, or account for them.
Single-cell trapping can be done with the help of superhydrophobic and superhydrophilic patterns.
QSense EQCM-D is used in battery research. We have compiled a list of recent publications.
Interfacial rheology is a special branch of rheology that involves studying the unique two-dimensional systems formed at interfaces.
Read about the complexity of the microbiome, and resent research on how to make a better probiotic.
The wettability of different parts of Li-ion batteries is a key issue in terms of manufacturing, performance, and safety of the batteries.
Read about two cases where QSense QCM-D technology was used to explore viral membrane disruption and an antiviral strategy towards pandemic preparedness.
A prerequisite for successful data analysis is good input data. Learn about the key characteristics of a quality baseline and how to get there.
Read about the QCM mass sensitivity distribution, what it looks like and how it affects the quantification of the data.
The range of technologies that could be used in a biointerfaces lab is vast. We talked to Dr. Jenny Malmstrom, University of Auckland to learn more.
For the mechanical performance of the composite, the adhesion between fiber and the matrix is of utmost importance.
Read this case example where QSense QCM-D was used to analyze the interaction between a ceramic surface and different slurry additives.
Hydrophobic coatings are used in many consumers products. Contact angle measurements can be used to study them.
Read about how to setup the data capture of a combined QCM-D and ellipsometry measurement.
Contact angle hysteresis can tell you about the homogeneity of your surface coating.
Compared to QCM, QCM-D measures an additional parameter, and provides more information about the system under study.
To characterize model membrane platforms, such as vesicles, monolayers, and bilayers, it is often necessary to use more than one analysis method.
Anti-fogging coatings can be studied with contact angle measurements.
Read about how QSense technology can be used in virus research and how the QCM-D data helps analyze the competition for membrane receptors
Depending on the strength of these forces, the adhesion failure can be either adhesive, cohesive, or substrate failure.
Read about the differences and similarities in information output between QSense QCM-D and standard SPR.
Picoliter dispenser can be used to facilitate contact angle measurements on small areas.
Learn about how QSense QCM-D is used to monitor vesicle interaction with solid substrates and to characterize surface-adsorbed vesicle layers.
Hydrophilic surface properties are needed in many different applications ranging from biomedical devices to marine engineering.
Light interaction with matter is an important part of our everyday lives. We talked to Prof. Magnus Jonsson at Linköping University, to learn more.
One of the main challenges in PCB manufacturing is the adhesion of the conformal coating. Contact angle measurements can be used to predict adhesion.
Learn more about what information QCM-D, Quartz Crystal Microbalance with Dissipation monitoring technology, offers
HMDS is used to render the surface of silicon more hydrophobic and thus to match better with the chemistry of the photoresist.
In the context of QCM-based instrumentation, 'dissipation' or ‘damping’ are often mentioned. Read about what these concepts mean, and why are they relevant.
One should always measure the advancing and the receding contact angle to get the true picture of the surface wettability.
QCM-D and QCM-R both collect information about the energy loss. Read about how these thow methods compare.
Contact angle measurements can be used in electronic manufacturing to check the surface properties of the substrate prior to the next process step.
Learn about the difference between primary and secondary batteries, and about battery performance indicators.
Adhesion problems are one of the main reasons for the failure of the product. Read to find out how contact angle measurements can help solve the problem.
Read about how QSense QCM-D was used to analyze virus interaction with different materials found in indoor built environments
Due to a wide range of applications, the measurement of wettability, i.e., the contact angle measurement can be done with several different methods.
Recent research results could help designing formulations better stabilized against protein aggregation, one of the main challenges in pharmaceutical development. QSense QCM-D analysis helped piecing the puzzle together
Water contact angle measurements can offer several advantages, such as better user independence and traceability, over the water break test.
Read about how and why the QCM fundamental frequency matters in measurements
The word sessile comes from the Latin word sessilis which could be translated as sitting. Sessile droplets can thus be considered as sitting droplet
Read about the benefits of Li-ion batteries and why the invention was awarded the Nobel prize
Quality control is needed to detect any possible problems early on and contract angle measurement provides an excellent tool for that.
Read about how QSense technology is used to analyze contaminant adsorption and desorption, and to compare the efficiency of post CMP-cleaners.
Theta Flow is the new Attension premium optical tensiometer.
This is what we learned about the fascinating area of nanomedicines when we talked to Dr. Gustav Emilsson, who is working with nanomedicine development
A wetting agent is a surface-active molecule used to reduce the surface tension of water.
Learn how to assess a QCM-specification and how to compare performance and data quality between different instruments
The effect of Surface roughness and wettability on biocompatibility of biomaterials and Medical devices.
Read about how polyelectrolyte multilayer build-up, and the resulting multilayer, can be characterized with QSense QCM-D technology.
Thomas Young was a physician and his most remarkable discoveries are related to vision and light rather than the behavior of liquids on surfaces
The fundamental resonance frequency of QCM-sensors is often 5MHz. Learn about the theory behind the number.
Laser texturing has gained a lot of interest s due to its superior texturing accuracy, good controllability, and suitability for various materials.
Learn about how QSense® technology can be used to analyze CMP-related processes, such as additive - surface interaction, residue removal, and etching.
Surface free energy can be considered as the surface tension of a solid. Surface free energy is calculated through the contact angle measurements. By knowing the surface free energy of the solid, one can predict the behavior of any liquid on the surface.
To prepare for the next pandemic, we need to think outside the box. One approach could be broad-spectrum antiviral targeting.
Wilhelmy plate method can be used to measure contact angle.
Read about why it is possible to gain valuable information from a viscoelastic sample by monitoring multiple overtones in QCM measurements.
OWRK is one of the most used surface free energy theories. It divides the interfacial interactions into two parts; polar and dispersive.
Read this interview with a writing coach to get some tips and tricks on how to get published in high-impact scientific journals.
Demulsification is a process where emulsions are broken down, most typically by the addition of chemicals.
The D-factor provides information that is complementary to the frequency response. Read about how it can be understood and what information it reveals.
Emulsions are dispersed systems of two immiscible liquids such as oil and water. Interfacial rheology measurements predict emulsion stability.
Learn more about the Sauerbrey equation and when it should be used.
Interfacial rheology studies the flow properties of the interfacial layer that is formed between two immiscible fluids, such as oil and water.
Read about the different components in cleaning products and how they work on a molecular level.
The good lubricity is needed as the poorly lubricated catheters can cause trauma as a result of high frictional forces between the biomaterial and tissue.
Learn about QCM-D, Quartz Crystal Microbalance with Dissipation monitoring - an analytical tool for surface interaction studies at the nano-scale.
Plasma treatment is able to increase the wettability of most polymers. Hydrophobic recovery is often encountered which causes wettability to decrease.
Learn about the past and future development of biomaterials in regenerative medicine.
To better describe the real surfaces, different wetting states have been proposed. The most discussed are Wenzel state and Cassie-Baxter state.
Learn more about how the dissipation can be measured and the pros and cons of the different methods.
Surface chemistry plays a significant part in terms of interactions with the human tissue.
Read about how Dr. Gustaf Rydell, researcher at Sahlgrenska University Hospital, uses QCM-D to understand how the Norovirus initiates infection.
Surface tension can be measured with force tensiometer using Du Noüy ring or Wilhelmy plate. Or with optical tensiometer using the pendant drop method.
Get a better understanding of the QCM-D working principles with musical instrument analogies.
Du Noüy method utilizes the interaction of a platinum ring with the surface of the liquid.
Learn how to structure your work to get in control of ypur calendar
Read about the area of Nanotechnology and how it developed
Langmuir film can be defined as an insoluble monolayer of atoms, molecules, or even nanoparticles floating at the liquid-gas interface (or liquid-liquid).
Learn the key steps of how to analyze QCM-D data with QSense Dfind
Powder wettability can be measured with Washburn method or sessile drop.
Work of adhesion is defined as a work required to separate two phases from each other.
Read the interview with Dr Deborah Rupert to learn about how work-related stress can be reduced and how burnout can be avoided.
Wenzel equation states that adding surface roughness will enhance the wettability caused by the chemistry of the surface.
Here we present a list of scientific publications in virus-related research where QCM-D technology has been used
Interactions at the material surface is influenced by the wettability of the material. Wettability measurements are done to evaluate biocompatibility.
Adhesion plays an important role in daily and industrial processes. Adhesion can be either wanted or unwanted.
Surface tension of blood is an important characteristic when protective materials are being evaluated.
Learn about the distinction between the two concepts biomaterials and tissue engineering and how they relate to each other.
Brewster angle microscopy is a powerful tool for thin film visualization at air-water interface.
