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Tag: "nontoxic" at biology news

Discovery of an HIV inhibitor in human blood points to new drug class

...de are highly stable in human blood plasma and are nontoxic even at exceedingly high concentrations. According to the latest World Health Organization estimates, nearly 40 million people worldwide are living with HIV/AIDS, including more than 2 million children. Close to 4 million people became infected wi...

MIT material stops bleeding in seconds

...und and halts bleeding. Once the injury heals, the nontoxic gel is broken down into molecules that cells can use as building blocks for tissue repair. "We have found a way to stop bleeding, in less than 15 seconds, that could revolutionize bleeding control," said Rutledge Ellis-Behnke, research scientist in...

Researchers attack tumor cells by exploiting dependency on sugar metabolism

...ition of LDH-A activity may represent a relatively nontoxic approach to interfere with tumor growth," explains Dr. Fantin. ...

University of Delaware researchers develop cancer 'nanobomb'

...ecause they are powerful, selective, non-invasive, nontoxic and can incorporate current technology, including microsurgery. An advantage over other carbon nanotube treatments being considered by scientists is that with nanobombs, the carbon nanotubes are destroyed along with the cancer cells. Once the nano...

Modifications render carbon nanotubes nontoxic

...s that nanotubes, like buckyballs, can be rendered nontoxic with minor chemical modifications. The findings come from the first toxicological studies of water-soluble carbon nanotubes. The study, which is available online, will be published in an upcoming issue of the journal Toxicology Letters. The researc...

'Cookbook recipes' would cure disease with nontoxic DNA delivery systems

...molecules have created a "cookbook" for a class of nontoxic DNA delivery systems that will assist doctors and clinicians in the safe and effective delivery of genetic medicine. As reported in the Aug. 9 issue of the Proceedings of the National Academy of Sciences, researchers have now performed a careful, co...

Critical step traced in anthrax infection

...e of Science. An anthrax bacterium secretes three nontoxic proteins that assemble into a toxic complex on the surface of the host cell to set off a chain of events leading to cell toxicity and death. Protective antigen (PA) is one of these proteins, and after binding to the cell, seven copies of it assemble ...

Brain-mapping technique aids understanding of sleep, wakefulness

... in a certain population of neurons. The tracer, a nontoxic fragment of the tetanus toxin, transfers itself from one neuron in retrograde fashion to neurons "upstream" -- those from which the tracer-producing neuron receives signals. Researchers then track the tracer to map the upstream neurons. Dr. Yanagisa...

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(Date:8/29/2014)... recently, little has been known about what genetic changes ... of scientists, one of whom is a University of ... that genes controlling the development of the brain and ... The study was published Aug. 28 in Science ... is online at http://www.sciencemag.org/ ., The domestication of ...
(Date:8/29/2014)... German . ... cycle on Earth and in biological wastewater treatment plants. ... on nitrite as their source of energy. An international ... at the University of Vienna, has now shown that ... of energy. The oxidation of hydrogen with oxygen enables ...
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Breaking Biology News(10 mins):New research reveals how wild rabbits were genetically transformed into tame rabbits 2New research reveals how wild rabbits were genetically transformed into tame rabbits 3Hydrogen powers important nitrogen-transforming bacteria 2Hydrogen powers important nitrogen-transforming bacteria 3Copper shines as flexible conductor 2
(Date:8/29/2014)... (HealthDay News) -- Astronauts may be at heightened ... human immune systems, a new study suggests. That ... to asteroids, the moon and Mars undertaken in the ... space can be dangerous, NASA researchers say. They ... blood of International Space Station crew members remains relatively ...
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(Date:8/29/2014)... FRIDAY, Aug. 29, 2014 (HealthDay News) -- Prostate cancer ... good treatment decisions. This can lead to worse quality ... The study included 70 men, with a median age ... cancer. Poor understanding of the disease was associated ... less confidence that the treatment would be effective, the ...
Breaking Medicine News(10 mins):Health News:Spaceflight Might Weaken Astronauts' Immune Systems 2Health News:Take Steps to Control Bunions 2Health News:Etymotic’s Safe Listening Earphones and Earplugs Headed For The 2014 NSC Safety Expo 2Health News:LiveOps Supports Muscular Dystrophy Association Show of Strength Telethon 2Health News:LiveOps Supports Muscular Dystrophy Association Show of Strength Telethon 3Health News:LiveOps Supports Muscular Dystrophy Association Show of Strength Telethon 4Health News:Faced With Prostate Cancer, It Helps to Know the Enemy 2
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