Cellular Engineers Design Custom Cell Surfaces Able To Adhere To Synthetic Materials
... sialic acid, a sugar which in its natural form is often found in thecell-surface oligosaccharides of human cells. "We planned to use an unnaturalsugar related to sialic acid, one that carries an unnatural functional group. Wehoped that if the cells ate the unnatural sugar -- without noticing, so to speak-...... be scavenged ordestroyed by the elements. It has often been presumed that immense sandstormswere the culprit, their wind-blown clouds of grit burying the dinosaurs alive. However the true nature of these disasters remained a mystery. The geological detective work conducted by the authors of the new pape...Study Reviews Medication Use In Elderly Cardiac Patients After Discharge
... variety of recovery patterns. "There are often unmet needs when it comes to medications. The dosage ortype of medication often needs to be modified and pain control is frequently anissue," says Cheryl Dellasega, Ph.D., associat......ptic nerve deterioration. Wolframsyndrome patients often exhibit depression, violent and assaultive behavior,chronic anxiety and/or panic attacks, and hallucinations, or have attempted suicide. Identification of genes that predispose to psychiatric illness willultimately enable mental health practit...DNA Enzyme Works In Crystal Form; Yields New Insights Into Gene Copying
... greater basic understanding of the cancer process often leads toinsights about how to affect it." The biochemists also will perform experiments to sort out the chemicalsteps by which polymerase copies DNA, Beese said. "The structural details of howthe process proceeds are unclear," she said. "We ...Termites' Attraction To Small Amounts Of Carbon Dioxide Lures Pests To Their Deaths
...'t always do the job.As a result, pest controllers often resort to other toxic chemicals to eradicatetermites. Chemical companies have expressed interest in the finding, Bjostad said,in part because of the high costs to register new insecticides and chemicals.In-depth efficacy and public health st...Genetic Risk Factors For Anorexia Nervosa Sought
... are found to share aparticular region of DNA more often than half the time, it raises thepossibility that ... higher than men, and the disorder alsooccurs most often among women of middle and upper socio-economic standing. Abuseof laxatives and excessive exercise to...'Rolling Circles' Provide New Way to Amplify and Detect DNA
...r every strand copied. Even though scientists often use PCR to amplify a strand of DNA into an amount that they can study, it's not a feasible means of reproducing even a thimbleful of DNA. The sameis true of cloning, where scientists insert a piece of DNA intoa bacterium so the organism's own repli...Experimental Trial Combines DNA Vaccine With Triple-Drug Therapy To Stop HIV
...he most sensitive assays.Immune system function is often restored in individuals receiving this therapy,returning them to health. They cannot be considered cured, however, because thevirus lingers quiescently in certain subpopulations of T cells. The experimental vaccine incorporates elements from...Transgenic Mice Created By Researchers May Shed Light On Human Heart Disease
... Although people with hypertrophic cardiomyopathy often have largerhearts than normal people, the hearts of most athletes enlarge normally dueto rigorous exercise, making the condition more difficult to detect, shesaid. The research project is funded primarily by the National Institutesof Health. ...Gene For Inherited Syndrome Is Possible New Tumor Suppressor
...cer," said de la Chapelle. "This is the way things often go when you're looking for genes. You begin with acondition, and you have no idea what sort of a gene causes it. So you map the gene's location on a chromosome and clone it, and then you find out what it does. Quite often,the function of the gene is...SFSU Biologist Deciphers Desert Animals' Whistles And Drumbeats
...shed that adult gerbils whistle and stomp far more often and more intensely when young pups are still living at home -- strong evidence that they are trying to communicate an urgent sense of danger to their vulnerable young. In addition, pups and other family members head for cover when they hear the faste...Good Ergonomics Is Good Economics
...ed and spatially grouped. This functional grouping often separated common sequences of keys by a large distance on the keyboard. In contrast, the proposed workstation was ergonomically designed with sequential as well as functional considerations; it incorporated a graphic, high-resolution, 1200-baud displ...Low Cholesterol? Reduced Sodium? What Do These Terms Really Mean?
..., 1986; Kessler,1991). Even those who do read them often do not have the expertise to comprehendmany aspects of the labels. Simple nutritional claims such as "low fat" on thefront of the food label are more likely to be read and can significantly affectconsumer purchasing decisions. In acknowledgment of ...Microsurgery Made More Accurate With Virtual Measuring Tool
...eliably. Moreover, certain critical structures are often too small or fragile to be measured directly with such physical measuring instruments as calibrated probes or rulers since they may rupture or otherwise be damaged when touched. Although placing a simple two dimensional scale in the frontal- parall...Trees, Grass Foster Children's Play And Encourage Adults To Supervise
...Unemployment is 93 percent. "I think the public often has a sense that the conditions of theinner city are at least partially due to the behaviors of individuals wholive there," Kuo said. "It's important to remember how many childrenare growing up in these conditions. We want kids to stay in school an...USGS Cautions Proper Use Of Pepper Spray To Avoid Bear Attacks
...uncommon bear behavior. The spray is often carried as a bear protection method by hikers,campers, biologists, rangers, hunters, and other outdoor enthusiasts. Thecarrying of red pepper spray has been encouraged in some national parks wherebears are common and firearms are prohibited. Some ...High Testosterone Level May Lead Male Junco To Stray From Mate
...l that clandestine matings aretaking place, but we often know little about the conditions under whichthey t...osterone plays an important role in determininghow often males wander from their home nests to fertilize other females,”Ketterson said. The results sho...At Life's Most Sensitive Stage, Embryos Cope With Stress
...theirenvironments, but in embryos these mechanisms often are different than inadults, Epel said. "One reaso...s washed off the land by streams. "Adult organisms often defendagainst toxins by taking the substance into their cells and transforming it,"Epel said. During...... In the 1950s, research found that sleepers could often recall a dream ifthey were awakened when their eyes appeared to be darting around beneath theireyelids. From these findings evolved the popular theory that during this REMsleep the brain is processing information gathered while awake, "rather like a...