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What Can System Suitability Do For You?

We frequently get the question, "how do I know that my equipment is working, or that these tests are accurate?" The best way to determine this and be sure of your results is to run a system suitability test.

In Viscosity Measurements, technical information, FYI, VROC Technology, Viscometer, Rheometer, General Information, Small Sample Viscometer, RheoSense, Inc., Standards

Latest Release & Upcoming Events

In the upcoming weeks, we are proud to announce the release of our latest application note regarding concentration dependence in protein viscosity. In this app note, Dr. Stacey Elliott gathered viscosity data for Bovine Gamma Globulin (BgG) formulations over the full concentration range, including therapeutic levels ≥ 100 mg/mL, using the VROC®Initium. The solution buffer included sucrose which is a common additive to enhance stabilization during freeze-drying and storage. Relative viscosity versus concentration curves were fit with the Ross-Minton equation which is a frequently used analysis tool for protein formulations.

To view application note, click below!

DOWNLOAD APPLICATION NOTE

In Viscosity Measurements, Protein Solutions, bovine gamma globulin, shear rate sweep, Announcement, viscosity, Fun with Viscosity, VROC Technology, RheoSense News, Small Sample Viscometer, Viscometer, General Information, Rheometer, Proteins

Different Ways to Measure Viscosity

Measuring viscosity dates back to as early as the 19th century. French physicist Jean Poiseuille discovered the concept of measuring viscosity by formulating the "mathematical expression for the flow rate for the laminar flow of fluids in circular tubes." Later on, this formulation was discovered by a German hydraulic engineer Gotthilf Hagen, which came to be known as the Hagen-Poiseuille equation (Britannica). Early measurements of viscosity focused primarily on the flow of blood. Measurements were conducted using the hemodynamometer that incorporated narrow tubes & glass capillaries in effort to measure the pressures in the arteries of horses and dogs (Sutera). 

In viscosity, Viscosity Measurements, Rheometer, General Information, Viscometer, Small Sample Viscometer, VROC Technology, High throughput Viscometer, Automatic Viscometer, Biotechnology, m-VROC, FYI

In the Blink of an Eye - Viscosity of Eye Drops

Wow, it's already more than halfway through January within the new year. Time really does fly, huh? We hope that 2018 has been good and already have been a learning experience so far.

Formulate your eye drops properly

In Application Focus, m-VROC, General Information, Proteins, Viscometer, Small Sample Viscometer

2016 BioProcessing Summit

RheoSense is will be exhibiting at the 2016 BioProcessing Summit from August 15 to August 19. Visit us at Booth #101 to meet our specialists and see the newautomatic, high throughput viscometer, VROC® initium! 


In microVISC, m-VROC, General Information, Viscometer, Small Sample Viscometer, RheoSense, Inc., Conference/Event, Automatic Viscometer, VROC initium, High throughput Viscometer

2016 Pittcon Conference

RheoSense is will be exhibiting at the 2016 Pittcon Conference from March 6th to March 10, 2016. Visit us at Booth #1522 to meet our specialists and see the new automatic, high throughput viscometer, VROC® initium! 

In microVISC, m-VROC, General Information, Viscometer, Small Sample Viscometer, RheoSense, Inc., Conference/Event, Automatic Viscometer, Plasma Viscosity, Blood Viscosity, VROC initium, High throughput Viscometer, Serum Viscosity
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