bandages, glues (Colles (plural collis) is a word of Latin origin referring to a small hill or…) And adhesive tapes are commonly used bio-adhesives, such as Homepage (The house is a medium-sized building intended for the accommodation of a family, …) As in the clinic. The problem is that these products usually don’t stick well to damp skin. In addition, it is difficult to accurately determine the place of application as well as the strength and durationmembership (In physics, adhesion is the set of physical and chemical phenomena that occur…)’,” explains Jianyu Li, ProfessorMcGill University (McGill University, located in Montreal, Quebec, is one of…) who led the team Research (Scientific research identifies in the first place all actions taken with a view to …)It consists of engineers, physicists, chemists and doctors.
“We noticed with astonishment that by changing the intensity of theplank (A wave is the propagation of a disturbance that results in a reverse change in its path…) Ultrasound , everything (All is understood as all that exists most often as the world or …) Simply put, we can precisely adjust the degree of viscosity of a bandage (A bandage is a device for covering a wound with skin.) to many tissues,” emphasizes the article’s lead author and former student of Professor Li, Zhenwei Ma, who is currently a Killam Postdoctoral Fellow inUniversity (The university is an institution of higher education whose goal is…) British Columbia.
Ultrasound-induced microbubbles mediate biological docking.
Credit: Zhenwei Ma
Ultrasound-produced bubbles to modify adhesion
In collaboration with physicists Outi Supponen and Claire Bourquard, professors atinstitute (An institute is a permanent organization created for a specific purpose. It is…) From fluid dynamics (Fluid dynamics is the study of the motions of fluids, whether liquid or gaseous….) From ETH Zurich, the team wanted to see if the adhesion of the bandage could be increased by microbubbles formed under the influence of ultrasound. Professor Soponin explains that “ultrasound produces many micro-bubbles that, for a moment, push the adhesive into the skin, resulting in a stronger bio-cohesion. From theoretical models, we can even predict precisely where the organoid will produce.”
An adhesive hydrogel is applied to the skin under an ultrasound probe.
Credit: Ran Huo and Jianyu Li
Published in the magazineScienceThe study demonstrated the compatibility of the adhesives with living tissues in mice. It can be used, in particular, to administer percutaneous medications. “this is technology (The word technology has de facto two meanings:) Will come to change the game in many areas medicine (Medicine (from the Latin medicine, “that heals”) is science and …)‘ says Zu-hua Gao, a professor at the University of British Columbia. See clinical applications in tissue repair, treatment cancer (Cancer is a disease characterized by abnormal cell proliferation…) and precision medicine,” he adds enthusiastically.
“Thanks to the genius Materials (A substance is a substance of natural or synthetic origin that is made by man …) As well as genius Mechanical (In everyday parlance, mechanics is the field of machines, engines, vehicles, organs, etc.) And in biomedicine, our bioadhesion technology can find multiple applications in wearables, wound care and regenerative medicine,” concludes Professor Lee, who is also a holder of the Canada Research Chair in Biomaterials and health (Health is a state of complete physical, mental and social well-being, and is not…) musculoskeletal system;
the study:
The article “Ultrasound-controlled biocompatibility,” by Jianyu Li et al., was published. , in the magazine Science.
DOI: https://doi.org/10.1126/science.abn8699
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