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Measure Molecular Size of Proteins & Polymers with RheoSense.

RheoSense Inc.
22 Jul 2013

Product news

RheoSense, Inc. announces another measurement capability to its flagship viscometer, m-VROC. The m-VROC is now equipped with the highest resolution to detect and measure Intrinsic Viscosity, a capability indispensable for all bio/pharma and polymer applications.

Intrinsic Viscosity is a parameter used to determine the molecular size, weight, structure, and interactions among proteins, polymers, or macromolecules. Applications related to polymerization, degradation, interaction, and the stability of molecules all benefit by utilizing Intrinsic Viscosity. Measuring intrinsic viscosity is considered to be a more reliable method than light scattering to study and understand these phenomena.


RheoSense m-VROC features high-precision, less time for thermal equilibrium and low sample volume requirement.

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RheometryRheometers are used to measure the rheology of fluids, which is the flow of fluids in response to an applied force. The most common types of rheometer include shear rheometers (capillary, cone and plate and rotational cylinder) and extensional rheometers. Viscometers are similar to rheometers however viscometers only measure the viscosity of a fluid.ViscometersViscometers are used to measure the viscosity of a fluid. Types of viscometer include rotational, vibrational and falling piston viscometers. Options for viscometers include modular, portable, benchtop and temperature compensation and density measurement features.PolymersPolymers are large molecules made up of many repeat units. Natural polymers such as DNA and proteins are essential to life, whereas synthetic polymers such as polystyrene and polyethylene are used widely due to their functionality. Typical techniques for analysis include GPC, SEC, DSC, FT-IR and NMR.Protein BiologyThe analysis of protein expression, identity and function is vital for many areas of life science research and drug discovery. Some of the most commonly used techniques in protein analysis include Western blotting, electrophoresis and mass spectrometry.
Measure Molecular Size of Proteins & Polymers with RheoSense.