Sentences with phrase «into hydrogels»

This direct assembly of stimuli - responsive proteins into hydrogels represents a versatile solution for designing «smart» materials and opens up enormous opportunities for future material biology.
Other researchers have created such gels by engineering proteins that self - assemble into hydrogels, but this approach requires complex biochemical processes.
If they're desperately hungry at the surface, they start exploring the rest of the vivarium, even though descending into the hydrogel means a lack of oxygen.
By integrating the nanosponges into a hydrogel, we can retain them at the site of infection.»
To make the nanosponge - hydrogel, the team mixed nanosponges, which are nanoparticles that absorb dangerous toxins produced by MRSA, E. coli and other antibiotic - resistant bacteria, into a hydrogel, which is a gel made of water and polymers.
A component in that protein, DOPA (for 3,4 - dihydroxyphenylalanine), has unusual properties shared by its chemical cousin, dopamine, and it was dopamine that Lee incorporated into their hydrogel.
Using a method that they published earlier this year, the team arranged metal - oxide nanosheets into a single plane within a material by using a magnetic field and then fixed them in place using a procedure called light - triggered in - situ vinyl polymerization, which essentially uses light to congeal a substance into a hydrogel.

Not exact matches

There's things you can put into your bra that can reduce the friction of your nipples on your bra: so hydrogel pads, sew dies, these are both really great products that just put a barrier between your nipples and your bra with the pads that you are wearing.
The study most often used to argue that hydrogel is dangerous found it was toxic only when injected directly into a rat's vein or body cavity.
«Injectable hydrogels are promising materials for achieving hemostasis in case of internal injuries and bleeding, as these biomaterials can be introduced into a wound site using minimally invasive approaches,» said Gaharwar.
Researchers currently have to hook the devices up to an external power source that drives the hydrogels» charged particles back to their starting positions, kind of like plugging a battery into a charging dock.
Weaver studied the animal models for as long as 100 days, and found that the islet clusters transplanted with the hydrogel and VEGF developed many blood vessels and engrafted into their new locations.
Mechanical constraints such as soft wire, or glass substrate which chemically binds with the gel, can also be used to manipulate the self - assembly and formation of hydrogels into complex structures.
«Greater control of the growth and self - assembly of hydrogels into complex structures offers a range of possibilities in medical and robotics fields.
Her team developed an earlier bacterial hydrogel made with the algae - produced polymer alginate, but did not cast it into functional products.
Combining a new hydrogel material with a protein that boosts blood vessel growth could improve the success rate for transplanting insulin - producing islet cells into persons with type 1 diabetes.
Jessica Weaver, a postdoctoral researcher in Georgia Tech's Woodruff School of Mechanical Engineering, places hydrogel samples into multiwall plate for testing.
The researchers reported the natural inflammatory response when a foreign substance like a hydrogel is introduced into a system and draws cells that secrete proteins involved in cellular infiltration, scaffold degradation, vascularization and innervation.
The chitosan and polyvinyl alcohol composite hydrogel containing hTGFβ - 1 gene modified BMSCs was injected into rabbits with defective articular cartilage.
Under working conditions the hydrogel - modified fuel cell is able to convert chemical energy from hydrogen into electrical energy over several weeks, while in absence of the hydrogel, the hydrogenase is deactivated within seconds.
CMA retains the triple helical nature of type - I collagen and the ability to self - assemble into fibers and a fibrillar hydrogel.
Nikolce Gjorevski, the first author of the study, and his colleagues used the hydrogel to grow stem cells of the gut into a miniature intestine.
However, when temperature is then decreased, type - I collagen remains a fibrillar hydrogel, whereas CMA will disassemble into triple helices or short oligomers and return to a suspension.
Hartgerink and lead author Vivek Kumar, a postdoctoral researcher at Rice, viewed clotting as a good avenue of investigation for practical application of KOD, a synthetic protein made of 36 amino acids that self - assemble into triple - helix nanofibers and hydrogels.
Some experimental heart attack treatments require surgery to open up the chest, but the two hydrogel materials already in clinical trials are injected into the damaged tissue through a long catheter inserted through the skin — eliminating the need for open - chest surgery.
In experiments carried out in the lab, BWH bioengineers have developed a hydrogel — a soft, flexible material that can be loaded with arthritis drugs and injected locally into an inflamed joint.
Compared to other types of hydrogels being developed (left), a new hydrogel (right) can form crosslinks after injection into the heart, making the material stiffer and longer - lasting.
«We have shown that the hydrogel matrix helps the human intestinal organoids (HIOs) engraft into the intestinal tissue, that they differentiate and accelerate the healing of the wound,» said Andrés J. García, Regents» Professor in Georgia Tech's Woodruff School of Mechanical Engineering.
In addition to allowing growth of organoids within the engineered hydrogel in a tissue culture incubator, the research team demonstrated that the hydrogel could act like glue, allowing organoids to stick in place and contribute to wound healing when transplanted into an injured mouse intestine.
Using a tiny colonoscope, Quirós and Cruz - Acuña delivered the hydrogel, along with the organoids, into wounds that had been made in the intestines of immune - compromised mice.
Scientists worldwide have tried to inject chemical hydrogels into living cells to study them, but usually the cells become sick, likely due to toxicity from the chemicals.
Eduardo Mendizábal Mijares, professor at the Department of Chemistry, in the University of Guadalajara, said «we used nano - hydrogels loaded with drugs and injected them into the patient.
The scientists are now modifying the iPOLYMER system so that the hydrogels integrate RNA molecules into their structures, making them better mimics of the stress granules seen in human cells.
After the filaments are injected into the body, the resulting hydrogel network functions as a drug depot that slowly degrades by breaking down into spherical nanomaterials called micelles, which are programmed to travel to specific targets.
The flexible patch is covered with tiny needles coated with a hydrogel that expands once it embeds into soft tissue, just like its parasitic inspiration.
You can also remove the ions and reintroduce them in a different pattern, so that the same hydrogel can be reprogrammed to transform into a different shape.
To investigate this hypothesis, the authors injected a collagen hydrogel into the kidneys of mice with ischemia / reperfusion damage and assessed the consequences at four weeks.
The hydrating mask is made of a hydrogel matrix that releases its ingredients by melting — or «cocooning» — into the skin.
It's loaded with minerals, amino acids and proteins in a concentrated essence that is delivered into the skin thanks to the hydrogel material.
There is a lot of excess fluid packed into this envelope, but the cellulose fiber of the mask (the material that composes most hydrogel options) allows it to hold on tight.
Step 2 is a hydrogel mask that effectively delivers a soothing and ultra hydrating serum right into your lips.
a b c d e f g h i j k l m n o p q r s t u v w x y z