Chemistry
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Chemistry
Gene dispensers
A new gene therapy technique releases genetic material from successive nanoscale layers of DNA as sheets of polyester that hold them in place slowly degrade.
By Janet Raloff -
Chemistry
Enzymes release caged chemicals
A new controlled-release technology relies on enzymes to unshackle a chemical only when and where it's needed.
By Janet Raloff -
Chemistry
That’s a Wrap: Polymer coatings fortify pancreas cells
A technique that encapsulates cells in polymer might one day benefit people who receive pancreas-cell transplants for diabetes.
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Chemistry
Waistline Worry: Common chemicals might boost obesity
A family of chemicals implicated in testosterone declines may also be contributing to recent spikes in obesity and diabetes.
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Chemistry
Scrubbing troubles
Triclosan, an antibacterial agent found in many soaps, may increase a person's exposure to a potentially toxic chemical.
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Chemistry
Lighting up for uranium
A portable sensor could make it possible to rapidly detect environmental uranium contamination.
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Chemistry
Magnet makeover
A new family of magnets may be a first step toward organic versions of the familiar metal objects.
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Chemistry
Fish Killer Caught? Ephemeral Pfiesteria compound surfaces
Scientists claim to have found an elusive algal toxin implicated in massive fish kills along the Mid-Atlantic coast in the 1990s.
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Chemistry
Switch Hitters: Antibacterial compounds target new mechanism to kill microbes
Recently discovered ribonucleic acid segments, called riboswitches, may become prime targets for new antibacterial drugs.
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Chemistry
For sweat’s sake
Soldiers and emergency crews may one day find comfort as well as safety in their chemical-protection gear, now that researchers have created a breathable, chemical-blocking composite material.
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Chemistry
Happy fish?
Researchers have detected antidepressant drugs in the brains of fish captured downstream of sewage-treatment plants.
By Janet Raloff -
Chemistry
Together and apart
Chemists report the first chemical reaction that can split apart and recombine the two atoms in molecular hydrogen without using an expensive metal catalyst.