Corresponds to a shear rate of 1,000,000 Hz!
■Non-contact, non-destructive measurement ・Instant detection of changes in the sample ・Elimination of undesirable heating of the sample ・Significant reduction in measurement time through patented technology "Echo Technique"
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basic information
■Rheological Analysis Using Light LS Instruments, a Swiss company, has developed the DWS RheoLab, a non-contact rheometer that utilizes the Diffusing Wave Spectroscopy (DWS) method. The DWS RheoLab enables rheological analysis using light (laser), allowing for non-contact and non-destructive measurement of viscosity and viscoelasticity. ■Measurement Principle DWS Method: Diffusing Wave Spectroscopy The DWS RheoLab employs a spectroscopic technique based on multiple scattering of light, which can be used for micro-rheological analysis and particle size distribution measurement. In micro-rheology, unlike traditional viscosity and viscoelasticity measurements and rheological analysis, the analysis is conducted without applying stress to the sample, focusing on the light scattering caused by particles within the sample. The DWS RheoLab calculates the self-correlation function and mean square displacement from transmitted light or backscattered light that has undergone multiple scattering, and performs rheological analysis using the general Stokes-Einstein equation and mean particle size analysis using the Stokes-Einstein equation.
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Applications/Examples of results
Application examples of DWS RheoLab: - Shampoo, cream, toothpaste - Gelatin, milk, yogurt, flour - Polymers, lamellae, micelles, emulsions, ceramic dispersion solutions, amorphous materials, clay - Sol-gel materials, film materials - Proteins, cells, plasma, gastric mucus, artificial tissue materials, etc.
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Company information
Our company was established as the Japanese subsidiary of a foreign-affiliated manufacturer with a global network spanning over 40 countries. We are steadily expanding our business primarily through the sale of SQUID magnetic property measurement devices and physical property measurement devices, which boast a world-class share in the field of new material research and development. Additionally, we also operate as a trading company for high-tech scientific instruments, importing and selling cutting-edge research equipment from around the world in various fields such as material science, biotechnology, and nanotechnology. The wave of technological innovation is significantly transforming not only industrial sectors but also our daily lives. Among these, the fields of material science, biotechnology, and nanotechnology, which are the pillars of our business, can be described as "core technologies" that provide humanity with infinite possibilities for the future as they lead the way in cutting-edge technology (high-tech). The discovery of high-temperature superconducting materials, applications of laser microfabrication and optical communication, and surface analysis at the nanoscale are already playing important roles in various fields such as new materials, semiconductors, information and communication, medical care, clinical diagnostics, and drug discovery, while also enabling further advancements in technology.
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