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Tag: "adhesive" at biology news

Protein offers way to stop microscopic parasites in their tracks

...s moving belt with traction by putting spots of an adhesive protein on it. The adhesive protein allows the host to attach to the exterior of the host cell. The resulting contact points giv...

Hirsute Or Hairless? Two Proteins May Spell The Difference

...on of E-cadherin—a membrane protein that forms the adhesive junctions between epidermal cells—is essential for allowing the cell remodeling required for bud formation. Here, the authors analyze the timing of external signals against the response of targeted cells to determine how targeted cells translate sign...

Nature provides inspiration for important new adhesive

...nking about it, I didn't know of any other type of adhesive that could work this well in water and withstand s...no acid with phenolic hydroxyl groups that provide adhesive properties. Li's research group was able to add these amino acids to soy protein, and make it work l...

Innovative coating could give medical implants a longer life

By mimicking an adhesive protein secreted by mussels and a polymer that rep...ylalanine (DOPA) molecule that gives mussels their adhesive or anchoring strength and a longer peptoid polymer resembling the structure of polyethylene glycol (...

Ants win a waxy race

...ialist ant Crematogaster contains two claws and an adhesive pad. Bruening performed experiments with ants runn...glass rods, the ants do not use claws, but without adhesive pads, they have no grip and fall off the surface. A second specialist ant (Camponotus schmitzi) liv...

Beetle-inspired switch uses water for bonding

...ny, fast switch that uses water droplets to create adhesive bonds almost as strong as aluminum by borrowing a ...ed in arrays for larger applications like powerful adhesive bonding. Like the transistor, whose varied uses became apparent only following its invention, the us...

Fundamental discovery -- Bone fracture

...e ever published, which reveal the location of the adhesive or "glue" that holds together mineralized collagen fibrils (protein fibers) of bone. The glue appears to contain "springs" that uncoil when the bone is stressed, helping the bone to absorb shock. When the stress is relaxed, they coil back to their o...

Prescription pain patch abuse blamed for increase in deaths

...over the course of a few days, UF experts say. The adhesive patch is typically prescribed to treat postoperative pain or chronic pain conditions, but in some cases is being misused, often with deadly consequences. "Because the patch is a sustained release form of the drug, if one withdraws the 72 hours' wort...

Tiny shock absorbers help bacteria stick around inside the body

...ed how the protrusions, known as fimbriae, have an adhesive protein called FimH at their tip that binds in an ...le bond with the surface. Thus, the mechanical and adhesive features of the system evolved together to help the bacteria persist in tough environments inside a ...

Study reveals details of mussels' tenacious bonds

...rn University research team sheds new light on the adhesive strategies of mussels, information that could be u...ty of oxidized DOPA to form covalent bonds between adhesive DOPA-containing polymers and human tissue surfaces." ...

Like a snail through the intestinal canal

...o have a similar layer to use. To achieve this, an adhesive layer is added to the mucus-like properties, which allows the device to be stuck to the layer of mucus. The ability to be attached to a surface covered with lubricant is a great technological challenge, because most adhesives normally only work on 'c...

Archerfish tune their shots to universal properties of prey adhesion

...ong animals such as flies and lizards, an animal's adhesive force--its natural tendency to stick to a surface-...t prey are hit with about ten times the force that adhesive organs of animals of that size could sustain. The new work also revealed that the archerfish's h...

New molecular pathway could reveal how cells stick together

...ve found a new pathway by which cells change their adhesive properties. With a $1.4 million grant from the Nat... to adjacent cells and signals them to alter their adhesive state. Page-McCaw published these findings earlier this year and was recently awarded an individual ...

New sucker-footed bat discovered in Madagascar

...iscovered a new species of bat that has large flat adhesive organs, or suckers, attached to its thumbs and hind feet. This is a remarkable find because the new bat belongs to a Family of bats endemic to Madagascar--and one that was previously considered to include only one rare species. The new species, Myz...

Cancer-killing invention also harvests stem cells

...es discovered that bone marrow stem cells stick to adhesive proteins called selectins more strongly than other...loodstream. He also realized that selectin is the adhesive mechanism by which bone marrow stem cells leave the bloodstream and find their way back into bone ma...

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