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Rheometers Articles

Protein stability is important in numerous disciplines, ranging from basic and medical biochemistry to pharmaceutical sciences. However, it is rare that researchers from all of the relevant areas can join together to discuss the critical issues in...

Image: A Basic Introduction to Rheology and Rheometry PART 1 – Viscosity

Rheology is defined as the science of deformation and flow and in particular refers to materials that show viscoelastic or non-Newtonian behaviour when stressed. Such materials include suspensions, emulsions, polymer solutions and foams to name but...

Image: How Malvern Panalytical helped Rutgers University optimize their polymer scaffold fabrication processes for tissue engineering

Sanjeeva Murthy from the New Jersey center for Biomaterials explains why a capillary rheometer is a key piece of equipment for a polymer processing laboratory. Find out why New Jersey Center for Biomaterials at Rutgers University chose a Rosand...

Image: Establishing an analytical toolkit for the optimization of Li-ion battery electrode manufacturing

The electrodes used in Li-ion batteries have a defining influence on their electrochemical performance and are typically manufactured by coating a metal foil substrate with a multicomponent slurry made up of active electrode particles and conductive...

Image: Measuring the rheology of thermoplastic polymer melts

Malvern uses rotational and capillary rheometry to characterize polymer melts   Rheology is the science of studying the flow and deformation of materials rooted in the laws of elasticity and viscosity proposed by Hooke and Newton in the...

Image: Powder Testing Solutions - Visit Freeman Technology at CPhI 2017

Freeman Technology will be exhibiting at CPhI China (20 – 22 June 2017), at Shanghai New International Expo Center (SNIEC), Shanghai, China on Booth No. N1A17. Freeman Technology has been providing powder testing solutions for over 17 years,...

Image: Freeman Technology opens office in Japan

Powder characterisation specialists, Freeman Technology, continues to expand their global presence with the establishment of an operation in Japan and the appointment of Takashi Nishimura as Product Manager.  Based in Kobe City, Mr Nishimura...

Image: Freeman Technology appoints a new distributor for India

Freeman Technology, a global leader in the development and application of powder characterisation techniques, has appointed Apex Chromatography Pvt. Ltd. as its new distributor for India.   “The addition of Apex further strengthens...

Image: Using Rheology to Optimize the Performance of EOR Fluids

Although the price of crude oil has dropped significantly in the past couple of years, the longer term predictions suggest that it may settle in the region of US$50 – 70/bbl, a figure that still encourages the exploitation of existing...

Image: A Basic Introduction to Rheology

Rheometry refers to the experimental technique used to determine the rheological properties of materials; rheology being defined as the study of the flow and deformation of matter which describes the interrelation between force, deformation and time...

Image: Chewing the fat

Dr Steve Carrington of Malvern Instruments and Prof. D. J. McClements of the University of Massachusetts describe the use of rheology to measure how food changes during mastication and to compare the rheological behaviour of low fat sauces with...

Image: Overcoming and quantifying ‘Wall Slip’ in measurements made on a rotational rheometer

When making shear rheological measurements on structured liquids, in particular suspensions, emulsions or foams there is a high probability that the measurement may be affected by a phenomenon known as 'wall slip'. Wall slip generally...

Image: Time to spec up? Top five reasons to replace a viscometer with a rheometer

Is your viscometer approaching the end of its life? Are you starting to feel that your trial and error, ‘rheology-light’ approach to formulation is becoming dated? Or are there longstanding product performance issues that...

Image: Evaluating product texture using oscillatory  testing on a rotational rheometer

Formulating products to have both the correct functional and sensory attributes can be a difficult task. The latter in particular relies heavily on user feedback which can take considerable time and effort to attain. In addition it is not always...

Image: Malvern Webinars - June 2016

Adeno-Associated Viral Titer in minutes, using Nanoparticle Tracking Analysis (NTA) Measurement type: Particle concentration   Date: June 7 2016   Time: 10:30 - 11:30 (GMT-05:00) Eastern [US &...

Image: New research highlights efficient in vitro strategies for demonstrating bioequivalence in generic nasal sprays

Experts from Nanopharm, supported by Malvern instruments and with funding from the Food and Drug Administration (FDA), have carried out experimental studies to identify analytical strategies that can help bring generic nasal sprays to market faster....

Image: Comparing the rheology and particle size of  smoothies made with different blenders

Smoothies have been around for the best part of a century although it was not until the development, commercialization and evolution of the blender between 1920 and 1950 that home-made smoothies (in the modern sense) became possible. Their...

Image: Evaluating product spreading characteristics  on a rotational rheometer using the power law  model

The rheological properties of a product can influence how it is visually and texturally perceived by a consumer and how it is likely to behave during product use. For example very shear thinning materials will be highly responsive to changes in...

Image: An Introduction to DLS Microrheology

Microrheology techniques involve tracking the motion of dispersed probe (or tracer) particles in a complex fluid, to extract local and bulk rheological properties of the matrix. Analogous to mechanical rheometry techniques, a stress is applied...

Image: New data underlines the value of the FT4 Powder Rheometer for roller compaction process optimisation

Data measured with the FT4 Powder Rheometer® supports efficient powder roller compaction process optimisation...

Image: New research will improve powder processing equipment selection

New collaborative research carried out by Freeman Technology (Tewkesbury, UK) and Gericke AG (Zurich, Switzerland) demonstrates how to achieve faster, more reliable equipment selection in the powder processing industries....

Image: Malvern puts the spotlight on cutting edge analytical strategies at ISFRS 2015

At the 7th International Symposium on Food Rheology and Structure (7 – 10th June, Zurich, Switzerland), experts from Malvern Instruments will be presenting new research showing how innovative measurement and analytical strategies enabled by...

Image: New ASTM Standard for Freeman Technology

A new ASTM International standard will help users undertake shear testing using the Freeman Technology FT4 Powder Rheometer®. Entitled, ‘Standard Test Method for Shear Testing of Powders  using the Freeman Technology FT4 Powder...

Image: New additions to Malvern Instruments’ ‘10 ways to…’ series guide rheological optimization of dispersion products

Two new additions to Malvern Instruments’ popular ‘10 ways to…’ whitepaper series provide practical guidance on using rheological testing to develop stable, high performance dispersions. Both whitepapers offer cross-industry...

Image: Characterizing inkjet inks: Malvern Instruments presents new rheological research

Dr. John Duffy, Rheology Technical Specialist, Malvern Instruments, will present new experimental data that shows how the recently launched m-VROCi  microfluidic rheometer can be used alongside the Kinexus rotational rheometer and Zetasizer...

Image: Brookfield Introduces New Family of RST Touch Screen Rheometers!

Brookfield welcomes three new instruments into its touch screen family of rheometers: the RST-CPS Cone Plate Rheometer, the RST-CC Coaxial Cylinder Rheometer and the RST-SST Soft Solids Tester Rheometer. The new RST Series offers the quickest and...

Image: New partnership between Malvern Instruments and RheoSense brings m-VROCi to industrial markets

Malvern Instruments Ltd (Malvern, UK) has announced an exclusive global distribution agreement with RheoSense, Inc. (San Ramon, CA, USA) to promote, market, sell and support the VROC product range into industrial applications. The agreement enables...

Image: Malvern Instruments launches new models of the Kinexus rotational rheometer

Malvern Instruments has introduced two new models to its Kinexus line of rotational rheometers. The new Kinexus pro+ and Kinexus ultra+ incorporate enhancements to Malvern’s unique proprietary air bearing technology, the performance defining...

Image: Get Total Control of Your Instrument, Test Parameters and Data Collection with New RheocalcT Software!

Brookfield Engineering announces the release of RheocalcT Software delivering total control of both instrument and test parameters. RheocalcT gives the operator the ability to fully automated viscosity testing from a dedicated PC when using the new...

Image: Totally New User Experience with Top-of-the-Line DV3T Rheometer!

Brookfield Engineering Laboratories has launched the new DV3T Rheometer with full color touch-screen technology.  This major redesign enhances ease of use while adding popular features. The new DV3T offers customers the most advanced user...