Science Announces Top Ten Research Advances Of 1998
...s firms have nowentered the biochip business after taking notice of this technology's potential. Quantum Leaps: "Teleportation"-mysteriously moving people or things to adifferent place-is hot stuff in science fiction, but this year researchers inthe U.S. and Europe teleported information about the quantum ......g companies committed the equivalent of plunder by taking plants, developing them into medicines with high commercial values and leaving almost nothing behind for the host countries that supplied the natural products material. Under the new grant, the development of local economies through h...Master Switch May Help Cancer Cells Hide From Immune System
... becomecancerous, for example. The system works by taking fragments of materials produced inside the cell and displaying those fragments on the outside of the cell. This work is done by major histocompatibilitycomplex type I (MHC-I) molecules. MHC-I molecules are produced deep inside the cell and, are then ...Bacteria Becoming Increasingly Resistant To Antibiotics, But New Vaccines Are On The Horizon
...inical presentation, hospital course and outcome, taking intoconsideration the antibiotic resistance patterns of the pneumococci causing theinfection. Researchers then determined whether there was a difference inoutcome if the infecting organism was an antibiotic-resistant strain ofpneumococcus. "If y...Growing Up On Their Own: Smart Plastics Organize Themselves Into Useful Optical Devices
...omaterials used in Styrofoam cups and in paint. By taking advantage of thechemical properties of the material, Chen and Jenekhe made the particlesassemble into specified shapes and sizes. Once the polymers are prepared usingstandard chemical techniques, it takes them just minutes or hours to organizeinto ph...UF Researcher Finds Way To Slow The Aging Process
...that anti-oxidant intervention,which can come from taking vitamin supplements or from a steady routine ofexercise, slows parts of the aging process. "Our most significant finding was that anti-oxidant intervention slowsdown basal skeletal muscle oxidation, which causes the body to age," saidLeeuwenb......ob of iron export." This is fitting, he explained, taking the opportunity to invoke Ares andAphrodite. Copper in Greek mythology, he said, is linked to Aphrodite (goddessof love and desire) because she arose from the island of Cyprus, the ancientsource of the metal copper. And Ares, god of war was linked t......omcomplete, a large component of the population is taking antioxidant vitaminpills, according to Tribble. Foods high in vitamins C, E, and/or beta-carotene have also been shownto be lower in saturated fat and cholesterol and higher in fiber,characteristics that according to Tribble, may contribute t......em fracture,according to Miclau. A graft involves taking bone from elsewhere in the body,usually the pelvis, and carries an overall complication rate of about 25percent. Ten years from now, Miclau foresees targeted therapy replacing themajority of bone graft procedures. The UCSF study team represents a c...Researchers Prove Chemoprevention Can Work
...archers willalso be looking at what the effects of taking oltipraz are on the body since thedrug is traditionally used for short-term treatment not long-term forprevention. Eventually, they hope to move toward the development of a non-drug-basedstrategy that provides the same protection. Dr. Groopm...Reinventing Humans Is Focus Of Virginia Tech Program
...ed the general public tothe rapid pace of work now taking place in human genetic and reproductivetechnologies. New genetic-engineering procedures now permit human genes to beidentified and transferred. Researchers are developing these procedures to curedisorders and correct serious childhood health problems...Brief Exposure To High Temperature Has Lasting Effect On Nervous System
...do this, we had to create a wholenew procedure for taking slices of the insect's brain, something that no one haddone before," says Ramirez. Cells in the slices were kept alive in a petri dish and Ramirezmonitored the neurons using tools thinner than a human hair. What theresearchers found surpr...Dietary Vitamin A Supplements Improve Maternal Survival In South Asia
...thfrom pregnancy lowered by about 40 percent after taking dietary supplements ofvitamin A or beta-carotene, ... and 49 percentreductions in mortality among women taking vitamin A or beta-carotenesupplements, respectively. The overall average reduction was 44 percent. S...Fungal Disease Threatens Global Banana Production
...ducingnations. Fortunately, plant pathologists are taking the lead with otherscientists to breed bananas that are resistant to the disease. "The black Sigatoka pathogen thrives under the warm, wet conditions that arefound in the tropics," says Randy Ploetz, plant pathologist with the Universityof Florida an......ry to fight thesediseases. In the meantime, she is taking Tamoxifen, which blocks the effects ofthe estrogen that might speed tumor development, and has launched into a newnutrition and exercise regimen. "I've cut my fat intake by 50 percent and learned a whole new way of eating,"she reported. Another patie...All Mixed Up: How Do Hybrids Fit Into The Picture?
... According to some studies reviewed by Moulia, "By taking advantage of hybridsusceptibility, parasites could enhance their range and therefore abundancewithin an ecosystem." Her paper, titled "Parasitism of Plant and Animal Hybrids: Are Facts and Fatesthe Same?" demonstrates how hybrids impact the populati...Popular Diet Supplement May Be A Cancer Risk
...or longer?" "I would definitely be concerned about taking this nutritional supplement basedon what we've found," concludes Vincent. "Careful investigation into theeffectsof long-term diet supplementation with chromium picolinate are needed toevaluate its mutagenic and carcinogenic potentials. In addition,...Risks For Heart Disease Associated With Size Of LDL Particles
... for heart disease. Therelationship remained after taking into account smoking, diabetes, hypertensionand LD...esterol level, but was reduced substantially after taking intoaccount triglycerides (another form of fat carried in the bloodstream) orhigh-density lipoprotei...Genetic Research Boosts Understanding Of Iron's Path Through Body, Diseases Of Iron Metabolism
...resembles the situation in humanswith the disease, taking up about three times the normal amount of dietary iron.Interestingly, the mutation--which probably arose in a seventh century Celt andhas spread to wherever Celtic people have migrated since then--may have survivedbecause its phenotype of increased i...Researcher Awarded Patent For System To Fight Multiple Diseases
... anti-streptococcal immunity in anindividual after taking an oral vaccine. In 1981, when Curtiss filed the patent application, introducing genesfrom one pathogen into another was not possible because such gene cloning wasprohibited by the National Institutes of Health (NIH) Guidelines for Recombinan...