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Tag: "gel" at biology news

Topical treatment shown to inhibit HIV and herpes simplex virus infection

...School of Medicine researchers demonstrated that a gel applied in the vagina provides protection from bot...ortunistic Infections, is the first to show that a gel can retain anti-viral activity within the human vagina. The study, which was funded by the National...

Genome-wide mouse study yields link to human leukemia

...hree groups of mice ?a method of using enzymes and gel electrophoresis to map tiny bits of DNA on a grid. The stretches of DNA, referred to as fragments, show up as smudgy blobs on a test film. If a fragment is dark and definite, it is not methylated. If, on the other hand, it loses at least 30 percent o...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...ture cutting and vacuuming device that removes the gel in the middle of the eye and replaces it with saline. They then make a pinpoint opening in the retina through which they inject fluid to lift up a portion of the retina from the back of the eye, creating a small pocket in the "subretinal space" just ...

Ophthalmologists implant five patients with artificial silicon retina microchip

...ture cutting and vacuuming device that removes the gel in the middle of the eye and replaces it with saline. They then make a pinpoint opening in the retina through which they inject fluid to lift up a portion of the retina from the back of the eye, creating a small pocket in the "subretinal space" just ...

Nonlinear Dynamics announces more details of its global partnership with PerkinElmer

..." She continued, "PerkinElmer is re-launching its gel imaging strategy this year with ProXPRESS, our new... is to reaffirm PerkinElmer as the first choice in gel imaging, whether it be for 1D or 2D gels, blots or any other applications." John Spreadbury, Group ...

New method shows it is possible to grow bone for grafts within a patient's body

...ext, they removed the water and replaced it with a gel that is commercially available and approved by the FDA for delivery of cells within the human body. They chose the material because it contained calcium, a known trigger for bone growth. Their major concern was that the bioreactor would fill with sca...

Researchers develop new method for facile identification of proteins in bacterial cells

... preparation. A protein mixture is spread across a gel and separated into individual proteins, which are scooped out of the gel and cut with protein scissors into predictable, small pieces called peptides. The samples are then a...

Aloe vera coating may prolong freshness, safety of fruits and vegetables

Aloe vera gel is best known for its therapeutic effect on burned...ed skin, but in the future you could be eating the gel as a healthful additive to your fruits and veggies. Researchers in Spain say they have developed a g...

New gene scanning technology marks a major advance in disease research

...amp electrophoresis with microplate array diagonal gel electrophoresis (MADGE), enables significantly higher levels of scanning at a fraction of the cost. Using the Southampton technique a network of British medical researchers from the Universities of Southampton, Bristol and University College London,...

Vaginal gel may provide a new approach to HIV prevention

...hat three different anti-viral agents in a vaginal gel protect the animals against an HIV-like virus. The...en result from heterosexual intercourse. A vaginal gel containing microbicides could be applied topically to reduce the transmission of HIV and other sexua...

Hand sanitizer gel works

...n in day careUsing an alcohol-based hand sanitizer gel significantly reduces the spread of gastrointestin...h were given hand sanitizer -- those that used the gel had a 59 percent reduction in the spread of GI illnesses. "This is the first randomized trial to s...

Polymer gel can block toxic leakage problem in gene therapy

...hanges from a liquid at 39 degrees Fahrenheit to a gel at body temperatures to block most gene-bearing vi...ry phase change as its stiffens from a liquid to a gel state when warmed to body temperature, that study reported. This 1,000-fold viscosity change only l...

Young scientists turn to gel to ease side-effects of cancer treatment

...of York's Department of Chemistry have developed a gel that could spare cancer patients some of the unple...al research fellow Mark Godber, have developed the gel which will help doctors to target cancer tumours more efficiently. Now, the group has secured £30,0...

New male contraceptive clears hurdle

...raceptives." In the RISUG study, doctors inject a gel into the tube that sperm travel through after they are produced (known as the vas deferens). The gel then disables the sperm as they swim by. In study animals, male fertility returns if the RISUG is fl...

Chemotherapy gel may fight breast cancer and reduce breast deformity

...breast cancer tumors were treated by inserting the gel under the skin next to the mammary gland. The rese...control group of mice that were implanted with the gel insert without chemotherapy. "Through further research and testing, our goal is to develop this int...

Anti-HIV drug has potential to prevent transmission in women

... studies that will ultimately evaluate whether the gel protects women from HIV infection," says co-author...cide to contain an antiretroviral agent, tenofovir gel can prevent HIV from replicating, unlike other microbicides which have been designed to block HIV en...

New antimicrobial compound adheres to skin to promote healing

...id, adding that they're also looking at a non-oily gel formulation for use as a combination cleanser and ointment for killing acne-causing bacteria. ...

New 'self-exploding' microcapsules could take sting out of drug delivery

...of the new microparticles features a biodegradable gel core that is surrounded by a lipid membrane. As the gel biodegrades, pressure builds up in the membrane. Eventually the microcapsule ruptures, releasing the...

Manchester scientists create new bio-gel for 3D cell culture

... the journal Advanced Materials (March 2006). The gel is the first pH neutral material made from combina...red under physiological conditions. Uniquely, the gel mimics the properties of cell scaffolds which naturally occur in the body and has potential applicat...

Adult stem cells are touchy-feely, need environmental clues

...ipulate stem cells by changing the firmness of the gel on which they were grown. The researchers believe that their findings, which appear in the Aug. 25 issue of the journal Cell, could change the way in which people work with stem cells. "Basically, mesenchymal stem cells feel where they're at an...

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