High Levels of Vitamin C Prove Toxic to HIV
...ected, immune cell lines. They found that compared with the healthy cells, the HIV-infected cells: have...bic acid. We noticed that shortly after infection with HIV, the cells put out more glucose-transport molecules on their surfaces, which allow more vitamin ...Eating After Exertion May Be A Key To Speeding Body's Recovery
...eans. Healthy adults consumed nothing or a cereal with oat, wheat or corn meal90 minutes before a 90-minu...ats did exhausting running exercises, leaving them with low rates of muscle-proteinsynthesis and low glycogen levels. A follow-up meal of amino acids (froma...Duke University Students Devise Devices For The Disabled
...lsliding seat that he could push from side to side with his hands and arms.As he pushed, he deftly maneuve...t. "Dr. Bohs went to graduate school at Dartmouth with a colleaguewho ended up marrying the president of Concept II," Feldman recalled."She set me up with ...Fund Aims To Repay Developing Nations For Valuable Genes
...their domesticated cousins. In more recent years, with the growth of biotechnology, scientists alsohave b...ntly found herself wrestling at the personal level with the ethics ofgenetic property rights. In 1995, using plants native to West Africa, Ronald isolated ......environmental conditions,"he added. Collaborating with Carey and Müller on the study were Jane-LingWang and William Capra, both of UC Davis, and Pablo Liedo of the Centrode Investigaciones Ecologicas del Sureste in Tapachula, Mexico. Fundingfor this study was provided by the National Science Foundat...A Drug Pump On A Computer Chip
... of insulin accordingly," said Huff, who has begun with a pump and a flow sensor to ensure a constant pump...rototype consists of a rectangular silicon chamber with one of the outer walls made of two thin layers of a titanium-nickel alloy sandwiched around a layer ...New Study Shows Steps Leading To Colon Cancer
... and then often into tumors. "Our work, together with that of our colleagues, reveals for the first time... share many features: a mysterious event, suspects with motives and opportunity and a collection of evidence," Peifer wrote. "The best cases end with a smok...Pets Provide Physiological Benefits For Women Living Alone
...motional, well-being, studies have shown. Contact with family and friends can help prevent the age-relate... companionship. It's possible pets provide humans with some quantity we don't understand. What is clear, however, is that our attempts to understand biolo......s the most federal R&D funds among the six states, with a $3.3 billion dollar inflow to the state economy ...ixth in the nation, followed by Connecticut (22nd) with $737 million. Rhode Island is 25th, receiving $434 million, followed by New Hampshire (34th) with $......llion. The report is being released in conjunction with the Association's 163rd Annual Meeting which has b...on is the world's largest federation of scientists with more than 143,000 members and nearly 300 affiliated scientific and engineering societies. It conduct...President's Budget Proposal Cuts R&D By 14 Percent By 2002
...on is the world's largest federation of scientists with more than 144,000 individual members and nearly 300 scientific and engineering societies. It conducts a variety of programs in science policy, science education and career development, and international scientific cooperation. The Association publi...Chemists Compute Answers To The Origin Of Gout
...esearch chemists they can combine their experience with modern information technology to cut costs and dev...w materials and processes faster. In collaboration with synthetic chemists, computer modelling can help identify the most favourable areas for study by prov...Erodible plastic microspheres could be effective oral drug delivery system
... enhanced absorption of three therapeuticcompounds with widely different properties encapsulated in micros... bioadhesive or "sticky" plasticsstayed in contact with the intestines longer than spheres made of othermaterials. The microspheres moved through the intest...Overweight Cats Risk Disease And Premature Death, Cornell Study Finds
... problem, too." Scarlett was a collaborator, along with veterinary nutritionist Susan Donoghue, in the lan...ies of six standard silhouettes. Unlike the case with humans, there is no body-mass index for obesity in cats, Scarlett noted. Most cats refuse to sit sti...Scientists Urge Further Study Of Alarming Coral Reef Decline
...nside the clear tissue of the polyps, coloringthem with various pigments. The algae collect sunlight, prov... thousands ofspecies of fishes that are associated with coral reefs, and theyfeed off of the corals," Ostrander said. "If they all startdisappearing, what's...Prostate Cancer's Aggressiveness May Be Predicted Early By The Ratio Of Free To Total PSA
...tion and surgery may be associated, in some cases, with complications including impotence and incontinence. Watchful waiting means living with cancer and possibly missing an opportunity for cure. "This preliminary study suggests that the free...Cell-Membrane Proteins Appear To Play Key Role In Squid's Swiftness
...nd the faster impulses can be transmitted, much as with a high-speedmodem. That sodium channels in motor ...r Gillette, a U. of I. physiology professor,worked with Gilly and Stanford doctoral student Matthew McFarlane to usenew technology to re-examine the fast-sl...Herpes-Based Gene Therapy Is Key To Promising Liver Tumor Vaccine
...hlaboratory rats, the majority of animals injected with thevaccine were cancer-free, while similar animals...a foreignsubstance. Doctors also injected the rats with gamma-interferon,another cytokine now used clinically to help the body fightcancer. Then they measur...Corn Byproduct Shows Promise As Biodegradable Packaging Material
... gluten meal. Theprocess involves melting the zein with fatty acids to produce moldable resins.When dispos...the zein into thin plastic-like sheets by mixingit with palmitic or stearic acids at varying weight ratios. While the structureof the sheets changed accordi......ernal tissues by using magnetic fields to interact with the protons in hydrogen atoms in the patient's bod...ternal magnetism of the protons partially lines up with the powerful static magnetic field that is always present inside the imager. A radio frequency magne...