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RheoSense Blog: In Viscosity News...

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RheoSense Blog

Initium Update

Posted by Nathaniel Grates

Sep 26, 2018 1:00:00 PM

Hello! We are pleased to announce that we are releasing a major software update for the VROC® Initium, software version 1.4.1. This software update includes a new user interface (UI) and the ability to export databases.

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Topics: VROC Technology, Promotion, Viscosity Measurements, Viscometer, General Information, RheoSense News, RheoSense, Inc., Product Release, Announcement, VROC initium, Automatic Viscometer, High throughput Viscometer, FYI, Sample Retrieval, software

FDA Guidelines & Drug Development

Posted by Joseph Chun

Jul 17, 2018 1:00:00 PM

For any medication sold over the counter of your local drugstore to the medication you are prescribed, you can bet that all of those drugs are approved by the U.S. federal food and drugs administration (FDA). "The FDA is responsible for protecting the public health by assuring the safety, efficacy, and the security of human and veterinary drugs, biological products, medical devices, the nation's food supply, cosmetics and products that emit radiation" (FDA). Providing federal guidelines for almost everything consumed, medication is but one spectrum of what the FDA regulates.

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Topics: FDA regulations, General Information, Pharmaceuticals, Biopharmaceuticals, Guidelines, RheoSense, Inc.

Back To Basics

Posted by Gordon Stack

May 22, 2018 1:00:00 PM

We are all familiar with maintaining our lab instruments, but how often do we perform maintenance on our lab methods or SOPs?

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Topics: Fun with Viscosity, RheoSense, Inc., General Information, Rheometer, Viscometer, microVISC, Applications, Viscosity Measurements, viscosity, Standards, FYI

Latest Release & Upcoming Events

Posted by Joseph Chun

May 15, 2018 1:00:00 PM

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

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Topics: 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

Coffee And Cannabis: Same System, Different Reaction

Posted by Joseph Chun

Mar 20, 2018 11:00:00 AM

According to a GEN – genetic engineering & biotechnology article, researchers found that the consumption of coffee stimulates the complex network of neurotransmitters, also known as the endocannabinoid system (ECS), much like that of cannabis. ECS consists of a biological structure composed of endocannabinoids, which are essentially the "small molecules that activate the cannabinoid receptors" (Jikomes). ECS is a system that is necessary in maintaining homeostasis on a cellular level. Furthermore, ECS is also responsible as it acts as a regulator for stress response, appetite, addiction, energy, and much more (GEN).

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Topics: General Information, Clinical Diagnosis

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). 

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Topics: 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

Posted by Joseph Chun

Jan 23, 2018 10:32:36 AM

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

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

First Order from Saudi Arabia

Posted by Eric Ng

Oct 10, 2017 7:48:25 PM

Recently we received our first order from Saudi Arabia. The order is from the leading university in Saudi Arabia and they order an m-VROC® with multiple chips.

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Topics: viscosity, General Information, RheoSense Clients, RheoSense News, RheoSense, Inc.

Lu's Corner: Let's Talk About Viscosity

Posted by LuLu

Jul 11, 2017 10:13:00 AM

*Lu's Corner is a new concept hosted by our Technical Specialist, Lu Lu. Lu has been a Technical Specialist with RheoSense for over 2 years. Through meticulous customer relationship development and continuous exploration of new applications, Lu has been able to provide a level of outstanding customer service and support.

 What do we talk about when we talk about viscosity? A series stories of viscosity in life.

Story One - Cosmos and Cosmetics

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Topics: Applications, Fun with Viscosity, General Information, RheoSense, Inc., Viscosity Measurements, viscosity, Injectability, Application Focus

Calibration/General Maintenance for your viscometer

Posted by Dave Fox

Jun 27, 2017 7:00:00 AM

Did you know that even a deadweight machine that is capable of applying 4,448,222 Newtons or 1 million pounds of force? 

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Topics: Application Focus, Fun with Viscosity, General Information, FYI

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