[Iefac.list] IISE M&D Webinar on Feb 28 - Printability of Hybrid Hydrogels: An Assessment for Bio-ink

[Rohan Shirwaiker]

Dear colleagues,

This is a reminder about IISE Manufacturing & Design division's upcoming
webinar:

"Printability of Hybrid Hydrogels: An Assessment for Bio-ink" by Dr. Bashir
Khoda at 2 PM eastern time on Thursday, February 28.
Registration link: https://www.iise.org/Details.aspx?id=643
Abstract: 3D bio-printing or direct writing technique uses a
computer-controlled process to reproduce 3D tissue scaffold for tissue
engineering applications. Among multiple bio-printing modal,
extrusion-based printing is capable of depositing diverse range of
materials and compositions including heterogeneous bio-ink. Both acellular
bio-ink and cell-laden bio-ink can be extruded by controlling the writing
parameters to achieve high (>80%) cell survivability and density along with
spatial precision and accuracy. To further improve the cell viability and
to achieve better mechanical properties in 3D structure, heterogeneous
(multi-material) bio-ink are being investigated. This research is focused
on developing a bio-ink testing protocols suitable for extrusion-based
bio-printing process. Multiple hydrogel materials and nano-particles are
shortlisted and mixed together to construct the bio-ink. A set of
systematic quantitative characterization tests are conducted on the
materials to validate its printability, shape fidelity and cell viability.
The outcome from rheological and swelling test, filament collapse and
fusion test are used to optimize the material composition to ensure
printability and shape fidelity. Cell viability for those materials are
also measured with multiple cell lines after incubation at various length.

Best,
Rohan Shirwaiker
Associate Professor, Edward P. Fitts Department of Industrial & Systems
Engineering
President, IISE Manufacturing & Design Division
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