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VROC® it!

Webinar Recording: Characterizing viscosity of Bio-inks for 3D Bioprinting 


Bioprinting is an emerging technology due to its promise in regenerative medicine and tissue engineering. A bio-ink with desirable rheological properties is required to achieve high printing resolution, shape fidelity and cell viability. Characterizing viscosity over a wide range of shear rates relevant to the printing process is crucial for successful design and development of bio-inks. A printable bio-ink is expected to exhibit shear thinning behavior, which enables the bio-ink to be extruded through a small needle. After deposition, the bio-ink should be able to regain shape fidelity and integrity. Sodium alginate is a non-toxic, biocompatible polymer that has been extensively used as the base material in bioprinting. However, to obtain more desirable biological and rheological properties, various materials such as hyaluronic acid can be blended with sodium alginate to develop new bio-inks that improve the environment for the cells.

In this webinar we show how we use the RheoSense VROC technology to measure the viscosity of bio-inks at different concentrations and over a wide range of shear rates. We also aim to demonstrate the effect of temperature and pH on the viscosity and shear thinning behavior of bio-inks.


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Handled with the utmost confidentiality. We do not sell data or provide it to third parties with exception of international RheoSense distributors