<img height="1" width="1" style="display:none;" alt="" src="https://dc.ads.linkedin.com/collect/?pid=510762&amp;fmt=gif">

Application_Library_Square_-_CTA.png

Sign Up for Updates

RheoSense Blog: In Viscosity News...

Facebook
Twitter
LinkedIn
Youtube
RheoSense Blog

Different Ways to Measure Viscosity

Posted by Joseph Chun

Mar 13, 2018 8:20:07 PM

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). 

Read More

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

June 2017 Science Town Demonstration

Posted by Grace

Jun 20, 2017 10:44:29 AM

This month, one of our partners in Korea, Insung Chromatech, hosted a seminar in Korea's Science Town. Science Town is a well known area in South Korea for the research & development hub of leading institutes and companies.

Read More

Topics: Biotechnology, Applications, Announcement, RheoSense International Partners, RheoSense News

Visualizing Viscosity

Posted by Dave Fox

May 16, 2017 10:18:32 AM

One of the challenges of creating monoclonal antibody (mAb) injectable drugs is optimizing formulation. A good formulation has to have a high concentration of stable mAb’s for high efficacy. There are a variety of factors that can affect stability of these mAb’s, temperature, shear forces, pH, and even concentration. When proteins become, unstable and denature they can increase the viscosity of your formulation. Using a simple modified parallel plate demonstration, we can visualize why denatured proteins increase viscosity.

Read More

Topics: Fun with Viscosity, Applications, Biotechnology, Proteins

Not too little, not too much, just the right amount of force

Posted by Grace

Jan 24, 2017 12:41:31 PM

Do you subconsciously dread the first drop of ketchup out of its bottle? Have you noticed the inconsistent flow in the substance as you try to coax the ketchup out, only to have a huge gush of flow when you realize you have coaxed it a little too well? 

Read More

Topics: Proteins, m-VROC, Viscometer, Applications, VROC initium, Biotechnology, Inks Viscosity, Blood Viscosity, Viscosity Measurements

Press Release: VROC® initium (Blog)

Posted by Grace

May 17, 2016 8:00:00 AM

 

Introducing VROC® initium, the Next Generation Automatic, High Throughput Viscometer

SAN RAMON, CA – May 14, 2016 – RheoSense, Inc. is proud to introduce VROC® initium, the first automatic viscometer that revolutionizes viscosity characterization. Equipped with automatic sample loading and sample cleaning, VROC® initium measures absolute viscosity as a function of shear rate across a wide temperature range. This allows unique viscosity fingerprinting of your samples. Samples in 96 well plate as well as 40 vial racks can be tested automatically with our intuitive software. 

Read More

Topics: Biotechnology, Viscometer, RheoSense, Inc., RheoSense News, Announcement, VROC initium

Viscosity vs. Concentration: L-Arginine Dilute Solutions in Water & PBS

Posted by David Nieto

Mar 15, 2016 4:09:04 PM

 The exact mechanism by which Arginine molecules affect protein molecules in solution is unclear. Nonetheless, its benefits increasing solubility and controlling viscosity have spread out its application in biopharma formulations, specially for high concentration antibody solutions. 

In our application note, we examine the effect of concentration on the viscosity of dilute solutions of L-Arginine in water and PBS. Additionally, we study the Intrinsic Viscosity of this solutions to better understand molecular size and solubility in dilution. 

Download L-Arginine  Application Note

Read More

Topics: Viscosity Measurements, Applications, Biotechnology, Rheometer, m-VROC, Proteins, Viscometer, RheoSense, Inc., Automatic Viscometer, VROC initium, High throughput Viscometer

Studying the Effect of Temperature on Viscosity

Posted by LuLu

Apr 8, 2015 7:26:15 PM

Cost Effective Developments of Biologics: Early Stages of Development & Precise Viscosity Measurements with m-VROC®

Read More

Topics: Viscosity Measurements, Applications, Pharmaceuticals, Biotechnology, m-VROC, Viscometer, Small Sample Viscometer

Arecor Granted Key US Patent

Posted by RheoSense

Jul 19, 2013 7:34:45 PM

Read More

Topics: Pharmaceuticals, Biotechnology, Viscometer, Small Sample Viscometer, RheoSense, Inc., RheoSense News

Seminar: The Importance of Viscosity Measurements in Protein Therapeutics: Challenges & Solutions

Posted by RheoSense

Jul 12, 2013 12:33:33 PM

South San Francisco Conference Center South San Francisco Conference Center

Read More

Topics: Pharmaceuticals, Biotechnology, m-VROC, Proteins, Viscometer, RheoSense, Inc., Conference/Event

Google+