hydrogel


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hydrogel

[′hī·drə‚jel]
(chemistry)
The formation of a colloid in which the disperse phase (colloid) has combined with the continuous phase (water) to produce a viscous jellylike product; for example, coagulated silicic acid.
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The next step would be to modify the hydrogel make it possible to inject it into damaged brain regions.
Part of what makes hydrogel so attractive to researchers is the way the material interacts with water.
The composition of the resulting hydrogel resembles that of human tissues and thus can be used to deliver live cells into human bodies while potentially minimizing allergies and body rejection.
The polymer hydrogel then absorbs water, expands upto 400 times its original size and retains water at root level.
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.
The effect of hydrogel particle encapsulation on the physical location, chemical stability and lipase digestibility of emulsified polyunsaturated lipids-fish oil-was investigated.
The polyacrylamide hydrogel segment is anticipated to grow rapidly during the forecast period on account of the increased adoption of disposable sanitary products in the market.
Hydrogel system showed less swelling at lower pH while at higher pH, it showed higher swelling, releasing drug in the same fashion.
Placed through a small needle, the hydrogel is administered as a liquid, but quickly solidifies into a soft gel that expands the space between the prostate and rectum.
Hydrogels are hydrophilic polymeric networks which can absorb and retain large amounts of water.
After photopolymerisation the hydrogel samples were dried under vacuum at 200mmHg for 24 hours at 80[degrees]C to a consistent weight and their apparent dry weights ([W.