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Showing posts with label Bio Inks. Show all posts
Showing posts with label Bio Inks. Show all posts

Wednesday, August 31, 2022

3D Printable Bioelectronic Inks

Researchers Design Inks for 3D-Printable Wearable Bioelectronics, By Texas A&M University Engineering,   August 25, 2022

A new class of biomaterial inks developed by researchers at Texas A&M University exhibit the same characteristics as highly conductive human tissue like skin, making them useful for three-dimensionally (3D) printed wearable bioelectronics.

The ink uses molybdenum disulfide (MoS2), a two-dimensional (2D) nanomaterial that can be combined with modified gelatin to create a flexible hydrogel.

The researchers developed a customizable, multi-head 3D bioprinter to 3D-print the ink. The 3D-printed hydrogel ink is electrically conductive and can be used to make complex 3D circuits.

The researchers said it will allow for bioelectronics that can be customized for an individual patient's needs.

Said Texas A&M's Kaivalya Deo, "These 3D-printed devices are extremely elastomeric and can be compressed, bent, or twisted without breaking. In addition, these devices are electronically active, enabling them to monitor dynamic human motion and paving the way for continuous motion monitoring."

From Texas A&M University Engineering

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Saturday, July 11, 2020

Bio-Ink for 3D Printing Inside the Body

Quite a remarkable possibility when linked to medical robotics.

Bio-Ink for 3D Printing Inside the Body
IEEE Spectrum
Charles Q. Choi
July 1, 2020

Researchers at The Ohio State University (OSU) have developed a bio-ink that can be three-dimensionally (3D) printed at human body temperature, and solidified using visible light. Bio-inks are composed of living cells suspended in a gel and are safe for use inside people, potentially paving the way for 3D printing inside the body. Using a 3D printing nozzle affixed to robotic machinery to dispense bio-ink in a controlled manner, the researchers were able to bio-print onto soft materials, with interlocking knobs left beneath the surface anchoring the printed structure to the body like surgical staples. OSU's David Hoelzle said the goal is not to bio-print an entire organ, but to "augment a standard surgery by delivering a biomaterial with a tethered growth factor to jumpstart healing, or a tethered drug to prevent infection. ... We envision a biomaterial bio-ink printing tool as another tool in the surgeon's toolset."  ... '