PEBBLEs Help U-M Scientists Open A Window On Cell Chemistry
...cells and agrees that PEBBLEs can be inserted with far less trauma to the cell than is produced by free dyes or fiberoptic probes. Philbert and Marion Hoyer, a U-M research fellow, will present results from these toxicology tests this week at the Society of Toxicology annual meeting in Seattle, Wash. ...Study Of Microbes May Hone Predictions Of Mining Impact
... microorganisms, Leptospirillum ferrooxidans, is a far more important contributor to mine pollution. That...etectable." On the other hand, Leptospirillum is a far more active player inside the mine, making up as much as 50 percent of all microbe species found in ......Sullivan said. "We are now trying to determine how far back in the cycle you can push this process and still capture a maturing follicle." Also participating in the study were Ann Stewart-Akers, Joel S. Krasnow, Sarah L. Berga and ...Simplified Therapy To Prevent TB Proven Effective In Developing Countries
People with HIV in developing countries are far more likely to contracttuberculosis than those without HIV. Although drugs to help prevent TB areavailable, the normal course of treatment is 12 months, making itdifficult for people to comply with treatment especially in countries whereaccess to c...UPMC Researchers Report On Gene Therapy Advances
...expression has occurred in all patients testedthus far in the clinical trial, which provides a foundation for similartreatments of RA and related joint disorders. "We are very encouraged by these results and are eager to begin the next phaseof the study," commented principal investigator Chris Evans, ...Lights, Camera ... Reaction: Charting The Biological Effects Of Light InBillionths Of A Second
...tering their swimming behavior. This bacterium, so far found only in a few high arid lake beds in Oregon andsalt depressions in the Egyptian desert, is "rather obscure," says Moffat, butthis simple organism appears to be quickly moving towards center stage as asubject of scientific inquiry. "The protein ...Heart and Soul: The Blood Vessels And Brain Use Common Guide
... Many other questions remain, such as how far the two systems overlap. Incollaboration with Johnathan Raper of the University of Pennsylvania, whocodiscovered the collapsin/semaphorins, Klagsbrun is now testing whether VEGFacts on neurons or whether semaphorin acts on endothelial cells, which ca......ood vessels that trigger heartattack. "So far our study appears to provide the strongest evidence that highertriglyceride levels are related to increased risk of ischemic heart disease inmen independent of other major risk factors such as total cholesterol and HDL(high-density lipoprotein) chole...Yale Announces New Biotech Firm
...ree or four new companies each year and is already far along withplanning for the next group. "Yale is taking a more active role in forming start-up companiesin an effort to make sure the New Haven area reaps economic benefits fromthe University's research," said Gardiner, whose office is respons...Excavations In Prehistoric Chinese Cave Uncover Unusual Collections Of Large Mammals
...tion of complexbehaviors, and the cave findings so far provide evidence thatearly humans in southern China had the ability to thinksymbolically and solve problems. The rhinoceros and Stegodonfindings, however, raised even more questions for Schepartz andher collaborators. "Are they just being eaten? Are ...Butterfly Wings, Beetle Horns Teach Biologists Basic Lesson In Development's Laws
...ing adult animal, making the resultsof competition far more clear-cut. "Such competition would ...olutionarily, butterflies and beetles are about as far apart as people andalligators," he said. Particularly intriguing, Nijhout said, was that ...Rapid Progress Reported On New Class Of Anti-Cancer Drugs
...dies had revealed that FTase inhibitors worked ona far broader range of human cancer cells -- about 40 percent of those tested --than was expected. Such broad action implies not only that Ras is central tomany cancers, but probably that a broad range of cancer-triggering proteins areactivated by the FTas...Smog Spreading To South Pacific
...e major contributors of ozone likely coming fromas far away as Africa. Yet, by the time it reached the south seas, Rowlandsaid, "its ozone concentration was high enough that you would say this is aviolation of the EPAregulations," if it occurred in the continental U.S. He noted that harmfulozone levels...Extra Choline During Pregnancy Enhances Memory In Offspring
...e brain circuits were "wired" to learn andremember far more efficiently than offspring without the supplement, accordingto a study at Duke University Medical Center. Conversely, analysis of brain slices of the offspring of rats deprivedof choline indicated a decrease in memory capability. ...Among Wrens, Moms Teach Daughters To Call, Dads Teach Sons, Study Reveals
... "Almost all songbirds that have been studied so far learn their songsfrom unrelated neighbors," Price said. "This new system of the stripe-backedwrens makes you wonder. Why aren't the daughters learning from their fathers,and why aren't sons learning from their mothers? What's important for them tolea...Spinal Cord Injury Treatment May Improve With New Findings On Nervous System Damage
...ional outcome in spinal cord patients, at least as far as the ability to walk and retain bowel andbladder control is concerned."...ASU Scientists Make Major Breakthrough With Photosynthetic Energy
...that photosynthesis does. We are trying to see how far we can go in mimicking the way photosynthetic bacteria convert light energy into ATP chemical potential. Living organisms have been doing this for billions of years, but this is the first time humans have been able to get it to work." Jonathan Fink...Smokings Effects On Pregnancy Not Mitigated By Prenatal Vitamins, UB Study Finds
...y with doctoral student Tiejian Wu, M.D. "As far as we can tell, this is the first paper to show this. The message is, 'Do not smoke during pregnancy, because vitamins won't help to negate smoking's effects.'" Multivitamins are a common part of prenatal care in the U.S. The 1980 National Na...From The Home Front To The River Front, USGS Updates Water-Quality Information
...easurable concentrations of mercury in sediment as far as 170 miles downstream on the Shenandoah River near Harpers Ferry, W. Va., even though the use of mercury at the Waynesboro site ended in 1950." The studies of the Lower Susquehanna and Potomac River Basins, two of the largest watersheds that drain ......e bulk of the transmitting. Because light travels far fasterthan this biological conduction, signals will move more quickly through theman-made device than through an optic nerve. "The scheme will also allowprocessing of data away from the focal plane, which has several advantages," hesaid, including f...