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Gut-on-a-chip devices can bridge lab models and human biology

The gut is one of the most complex organs in the body. Inside, it teems with a diverse microbial population that interacts and cooperates with intestinal cells to digest food and drugs. ....

United States , Amin Valiei , Emily Henderson , University Of California , Lawrence Berkeley National Lab , Industry Focus , Ut Ona Chip , Inflammatory Bowel Disease ,

Improved gut-on-chip devices spur research into how the microbiome affects human health

Organ-on-a-chip devices have the potential to bridge the gap between lab models and human biology but the unique environmental conditions found in the gut have held back their deployment. ....

United States , Amin Valiei , University Of California , Lawrence Berkeley National Lab ,

Surface Wettability Influential in Nanopillar's Antibacterial Ability

Researchers developed silicon (Si) nanopillars of different hydrophobicities from superhydrophilic to superhydrophobic, and investigated their mechano-bactericidal efficacy against Pseudomonas aeruginosa. ....

Christopher Moraes , Dao Nguyen , Nicholas Lin , Kateryna Kon Shutterstock , Nathalie Tufenkji , Geoffrey Mckay , Reghanj Hill , Amin Valiei , Research Findings , Applied Materials , Wettability Found Influential , Key Feature , Mechano Bactericidal Activity , Image Credit , Bactericidal Activity ,

Surgical sutures inspired by human tendons


Surgical sutures inspired by human tendons
News
Published: 7Apr2021
Image by Zhenwei Ma, McGill University.
Sutures are used to close wounds and speed up the natural healing process, but they can also complicate matters by causing damage to soft tissues with their stiff fibers. To remedy the problem, researchers from Montreal have developed innovative tough gel sheathed (TGS) sutures inspired by the human tendon.
These next-generation sutures contain a slippery, yet tough gel envelop, imitating the structure of soft connective tissues. In putting the TGS sutures to the test, the researchers found that the nearly frictionless gel surface mitigated the damage typically caused by traditional sutures. ....

Chen Wang , Jianyu Li , Guangyu Bao , Qiman Gao , Fan Yang , Zhenwei Ma , Hua Gao , Amin Valiei , Dongling Ma , Zhen Yang , Professor Jianyu Li At Mcgill University , Department Of Mechanical Engineering , Canada Research , Mcgill University , Research Centre , Mcgill University Is Canada , Musculoskeletal Health , Canada Research Chair , Ran Huo , Guolong Song , Zu Hua Gao , சென் வாங் , விசிறி யாங் , ஹுவா கொ , ஜென் யாங் , துறை ஆஃப் இயந்திர பொறியியல் ,