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Founded Year

1821

About McGill University

McGill University is an institution of higher learning and university.

McGill University Headquarter Location

James Administration Building 845 Sherbrooke Street West

Montreal, Quebec,

Canada

514-398-4455

Latest McGill University News

McGill scientists develop a biomaterial to repair the heart, muscles, and vocal cords

Dec 1, 2021

Combining knowledge of chemistry, physics, biology, and engineering, scientists from McGill University develop a biomaterial tough enough to repair the heart, muscles, and vocal cords, representing a major advance in regenerative medicine. People recovering from heart damage often face a long and tricky journey. Healing is challenging because of the constant movement tissues must withstand as the heart beats. The same is true for vocal cords. Until now there was no injectable material strong enough for the job." Guangyu Bao, PhD Candidate, Department of Mechanical Engineering, McGill University Related Stories The team, led by Professor Luc Mongeau and Assistant Professor Jianyu Li, developed a new injectable hydrogel for wound repair. The hydrogel is a type of biomaterial that provides room for cells to live and grow. Once injected into the body, the biomaterial forms a stable, porous structure allowing live cells to grow or pass through to repair the injured organs. "The results are promising, and we hope that one day the new hydrogel will be used as an implant to restore the voice of people with damaged vocal cords, for example laryngeal cancer survivors," says Guangyu Bao. Putting it to the test The scientists tested the durability of their hydrogel in a machine they developed to simulate the extreme biomechanics of human vocal cords. Vibrating at 120 times a second for over 6 million cycles, the new biomaterial remained intact while other standard hydrogels fractured into pieces, unable to deal with the stress of the load. "We were incredibly excited to see it worked perfectly in our test. Before our work, no injectable hydrogels possessed both high porosity and toughness at the same time. To solve this issue, we introduced a pore-forming polymer to our formula," says Guangyu Bao. The innovation also opens new avenues for other applications like drug delivery, tissue engineering, and the creation of model tissues for drug screening, the scientists say. The team is even looking to use the hydrogel technology to create lungs to test COVID-19 drugs. "Our work highlights the synergy of materials science, mechanical engineering and bioengineering in creating novel biomaterials with unprecedented performance. We are looking forward to translating them into the clinic", said Professor Jianyu Li, who holds the Canada Research Chair in Biomaterials and Musculoskeletal Health. Source:

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McGill University Patents

McGill University has filed 4 patents.

The 3 most popular patent topics include:

  • Molecular biology
  • Carbohydrate chemistry
  • Diseases of the eye and adnexa
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7/22/2016

10/19/2021

Medical imaging, Image processing, Neuroimaging, Magnetic resonance imaging, Psychiatric diagnosis

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Medical imaging, Image processing, Neuroimaging, Magnetic resonance imaging, Psychiatric diagnosis

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