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Polymers show promise for gene delivery, tissue scaffolds, other biomedical applications
03-27-2007 · EurekAlert!Virginia Tech polymer scientists have developed a new family of gene vectors - novel polymers that can ferry genetic material across the cell membrane so that it can be incorporated into the machinery of the cell.
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Keywords: polymers, show, promise, gene, delivery, tissue, scaffolds, biomedical, applications, polymer, scaffold, application
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- Polymers hold promise for safer gene delivery
09-07-2007 · Massachusetts Institute of Technology (MIT)
In work that could lead to safe and effective techniques for gene therapy, MIT scientists have found a way to fine-tune the ability of biodegradable polymers to deliver genes, which could be a safer technique than using viruses to carry genes.
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- Shape-memory polymers designed for biomedical applications
01-03-2008 · EurekAlert!
Researchers at the Georgia Institute of Technology are developing unique shape-memory polymers, which change shape upon heating, to open blocked arteries, probe neurons in the brain and engineer a tougher spine.
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- Chemists make tiny molecular rings with big potential
11-02-2006 · EurekAlert!
Ohio State University chemists have devised a new way to create tiny molecular rings that could one day function as drug delivery devices or antibiotics. The rings are made from polymers -- large molecules that are made up of many smaller molecules -- and the chemical reaction that creates them is similar to others that create polymer chains. But this new reaction solely makes rings, ones tailored to perform specific functions.
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- Tiny Tubes and Rods Show Promise as Catalysts, Sunscreen
09-10-2007 · Brookhaven National Laboratory
Brookhaven scientists have developed new ways to make or modify nanorods and nanotubes of titanium oxide, a material used in a variety of industrial and medical applications. The methods and new titanium oxide materials may lead to improved catalysts for hydrogen production, more efficient solar cells, and more protective sunscreens.
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- New metal crystals, formed on a cotton assembly line
03-26-2007 · EurekAlert!
Appropriating cellulose fibers from cotton and crystallizing them, scientists at Pacific Northwest National Laboratory in Richland, Wash., have grown never-before-seen configurations of metal crystals that show promise as components in biosensors, biological imaging, drug delivery and catalytic converters.
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- Adult pig stem cells show promise in repairing animals' heart attack damage
11-13-2006 · EurekAlert!
Johns Hopkins scientists have successfully grown large numbers of stem cells taken from adult pigs' healthy heart tissue and used the cells to repair some of the tissue damage done to those organs by lab-induced heart attacks. Pigs' hearts closely resemble those in humans, making them a useful model in such research.
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- Stem cells show promise for treating Huntington's disease
09-25-2007 · EurekAlert!
Paying close attention to how a canary learns a new song has helped scientists open a new avenue of research against Huntington's disease -- a fatal disorder for which there is currently no cure or even a treatment to slow the disease. Scientists used gene therapy to guide the development of endogenous stem cells in the brains of mice affected by a form of Huntington’s, generating new medium spiny neurons -- the cell lost in Huntington's disease.
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- UD scientists discover new class of polymers
01-02-2007 · EurekAlert!
For years, polymer chemistry textbooks have stated that a whole class of little molecules called 1,2-disubstituted ethylenes could not be transformed into polymers -- the stuff of which plastics and other materials are made.However, UD scientists Chris Snively and Jochen Lauterbach were determined to prove the textbooks wrong. As a result of their persistence, the researchers have discovered a new class of ultra-thin polymer films with potential applications ranging from coating tiny microelectronic devices to plastic solar cells.
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- 'Retrospective rubber' remembers its old identities
12-12-2007 · EurekAlert!
Researchers at the University of Rochester have developed a shape-memory rubber that may enable applications as diverse as biomedical implants, conformal face-masks, self-sealing sutures, and "smart" labels. The material, described in the journal Advanced Materials, forms a new class of shape-memory polymers, which are materials that can be stretched to a new shape and will stay in that form until heated, at which time they revert to their initial shape.
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- 454 Sequencing uncovers a genetic basis for different social behaviors in wasp
09-27-2007 · EurekAlert!
The presence of workers that forgo reproduction and care for their siblings is a defining feature of eusociality and a major challenge for evolutionary theory. It has been proposed that worker behavior evolved from maternal care behavior. The researchers explored this idea by studying gene expression in wasps. Gene expression in workers was more similar to foundresses, which show maternal care, than to queens and gynes.
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