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Engineers design sutures that can deliver drugs or sense inflammation（图）
输送药物 感知炎症 缝合线 生物衍生
2023/6/5
Inspired by sutures developed thousands of years ago, MIT engineers have designed “smart” sutures that can not only hold tissue in place, but also detect inflammation and release drugs.
Bacteria navigate on surfaces using a 'sense of touch'
pseudomonas aeruginosa cell inhibitors microbial
2021/8/6
Researchers have characterized a mechanism that allows bacteria to direct their movement in response to the mechanical properties of the surfaces the microbes move on -- a finding that could help figh...
Insights into a receptor that lets insects sense scents（图）
odor receptors olfactory system Mh OR5 Orco
2021/8/9
In insects, odorant receptor proteins form membrane ion channels that open on binding to an odorant molecule. The structures of an inactive and an active channel lend insights into how insects detect ...
A new, NSF-supported study published in the Journal of Comparative Neurology provides insight into how the small brains of mantis shrimp -- fierce predators with keen vision -- may process and integr...
Understanding how the brain makes sense of sound（图）
Understanding how brain makes sense sound
2019/11/22
For neuroscientists, human hearing is a process full of unanswered questions. How does the brain translate sounds -- vibrations that travel through the air -- into the patterns of neural activity that...
IU Biologists Discover Bacteria's “Sense Of Touch,” Which May Aid Water Treatment,Human Health（图）
IU Biologists Bacteria Sense Of Touch Aid Water Treatment Human Health
2017/11/23
A study led by scientists at Indiana University reports a new method to determine how bacteria sense contact with surfaces, an action that triggers the formation of biofilms -- multicellular structure...
How do T cells, the beat cops of the immune system, detect signs of disease without the benefit of eyes? Like most cells, they explore their surroundings through direct physical contact, but how T cel...
Molecules form gels to help cells sense and respond to stress（图）
Molecules form gels cells sense respond to stress
2017/3/30
A specific protein inside cells senses threatening changes in its environment, such as heat or starvation, and triggers an adaptive response to help the cell continue to function and grow under stress...
Lightly brush your fingertips across your keyboard. What do you feel? The smoothness of plastic? Ridges, gaps, maybe a sticky key? Bumps on the F and J keys? The human fingertip is a finely tuned sens...
A variety of animals are able to sense and react to electric fields, and living human cells will move along an electric field, for example in wound healing. Now a team lead by Min Zhao at the UC Davis...
Seeking the primary sense: A biochemical and biophysical study of the signaling mechanism of bacterial chemotaxis
Genetics biochemistry biophysics membrane cytoplasmic proteins bacteria and chemical serine receptors e. coli
2014/12/11
Genetic, biochemical, and biophysical methods have been adopted to characterize the interactions between ligand and transmembrane receptor, between receptor and cytoplasmic proteins, and between cytop...
Sharks sense prey in surprising ways during pioneering study
Sharks sense prey in surprising ways during pioneering study
2014/4/16
A team of scientists have unmasked the intricacies of how sharks hunt prey — from the first whiff to the final chomp —in a new study about shark senses that was supported by the National Science Found...