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Tag: "comes" at biology news

Rice scientists make first nanoscale pH meter

...e and cells. "Almost every biologist I speak with comes up with one or two things they'd like to measure with this," said lead researcher Naomi Halas, the Stanley C. Moore Professor of Electrical and Computer Engineering, professor of chemistry and director of Rice's Laboratory for Nanophotonics (LANP). ...

ANU scientists crack DNA replication mystery

...me in this directional manner. "When the replisome comes along from one direction, separation of the two DN...ly knocks the TUS off as you'd expect. But when it comes from the other direction, the strand separation near TUS leads to one of the DNA bases flipping over...

Tetracycline plus teeth equal gray smile

...ty from the whitening solutions. Then, the patient comes in for a one-hour tooth whitening session, where t...eased with the results," says Dr. Capehart. He now comes back every six months for a regular cleaning and then uses the whitening trays once a year to mainta...

Science finds new fix for UV-damaged skin in arthritis treatment

...he interest in glucosamine as a possible treatment comes in part from what scientists already know happens ...help it stand apart from other ingredients when it comes to improving tone and treating hyperpigmentation." ...

Even fish don't swim well when they're young!

...s. Actually, fish larvae are pretty feeble when it comes to an efficient mode of swimming called 'burst-and-coast'. Dr Ulrike Müller from Wageningen University studies how fish swim: "Fish larvae are the most critical life history stage. In marine fish more than 99% of the mortality occurs in the larval st...

Anti-inflammatory drug's potentially deadly side effect found to be rare

...mmune system attacks on nervous system tissues. It comes in various forms and affects an estimated 400,000 Americans, with 200 new diagnoses of MS every week. Researchers have tried with limited success to treat MS with immune suppression drugs before, Clifford notes, without ever previously unleashing the...

MIT researchers build tiny batteries with viruses

... they belong. A new means of inducing this order comes from self-assembly, a tool that is commonly used now in Hammond's lab. "By harnessing the electrostatic nature of the assembly process with the functional properties of the virus, we can create highly ordered composite thin films combining the functi...

p53, tumor suppression and aging

...ding whether or not p53-mediated tumor suppression comes at the cost of accelerated aging. To analyze the effects of reduced Mdm2 levels on tumorigenesis ?as well as the potential for unwanted side effects ?Dr. Perry's team used mdm2-hypomorphic mice (that express less Mdm2 protein than normal mice) which...

Secrets of the sea yield stronger artificial bone

... used to cast an exquisitely layered material that comes close to mimicking nacre's toughness and lightness. They created a watery suspension of hydroxyapatite, which is the mineral component of bone. Then, they froze it. Just like the impurities in sea ice, the hydroxyapatite concentrates in the space bet...

Genome changes tracked during multiple myeloma initiation, progression and treatment

...we are dealing with the tip of the iceberg when it comes to the universe of cancer genes," says Dr. DePinho. ...

Blood flow in brain takes a twist, affecting views of Alzheimer's

...g techniques and could open a new frontier when it comes to understanding Alzheimer's disease. In a paper to appear in the February issue of Nature Neuroscience and now available on-line, scientists at the University of Rochester Medical Center demonstrate that star-shaped brain cells known as astrocytes ...

The diversity of marine life in the Gulf of Maine region is much greater than previously thought

...the international Census of Marine Life. The count comes from the new Gulf of Maine Register of Marine Species, the first register of its kind for the region. According to Evan Richert, project director for the Gulf of Maine Census, "The register serves as a baseline for understanding the biodiversity of ...

Research updates 65-year-old genetic discovery

...ne notes. The DNA is provided by veterinarians and comes from either blood samples or cheek swabs. She uses these samples to help zoos, sanctuaries and primate centers identify subspecies of chimpanzees. "My goal is to better understand chimpanzees in their own right and to ultimately help with their pres...

Insects and mammals share common fat-building pathway, study suggests

When it comes to gaining fat, insects and mammals may have something in common, researchers report in the Jan. 11, 2006, Cell Metabolism. The study finds that the so-called hedgehog (Hh) signaling pathway--an ancient suite of genes involved in determining the fate...

African amphibians make extreme parental sacrifice: The skin off their backs

...ritious fat. Amphibians are a diverse lot when it comes to parental care, which may include hiding, guarding, carrying and feeding offspring. Among caecilians---the order of amphibians to which B. taitanus and S. annulatus belong---some lay yolky eggs and tend them until they hatch but invest no energy in...

Polymer aids in blood clotting, pointing way to new treatment

... labs with Morrissey in the lead. The PNAS report comes about a year after former Illinois scientist Roberto Docampo, now a professor of cellular biology at Georgia's Center for Tropical and Emerging Global Diseases, documented in the Journal of Biological Chemistry (Oct. 22, 2004) that dense granules in ...

Researchers now able to look deep into heart to view triggers of a heart's beat

... percent of the material in cell biology textbooks comes from research on nine or ten organisms," Sullivan said. "Every time I look at a honeybee now, I think about these amazing structures they have, and it implies that among the millions of other species there must be cellular mechanisms we haven't even ...

Insects that produce males from unfertilized eggs reveal a surprising cellular feat

... percent of the material in cell biology textbooks comes from research on nine or ten organisms," Sullivan said. "Every time I look at a honeybee now, I think about these amazing structures they have, and it implies that among the millions of other species there must be cellular mechanisms we haven't even ...

Stanford/Packard scientist's data-mining technique strikes genetic gold

...online issue of Nature Biotechnology. The advance comes with a caveat, however: clinically useful nuggets will be buried under the avalanche of data inundating international repositories each year unless scientists come up with a way to better classify their experiments and results. "Libraries figured ou...

U-M scientists identify major psoriasis susceptibility gene

... time, strep-induced psoriasis goes away and never comes back. But for the other 50 percent of young people who get it, psoriasis progresses to become a chronic life-long disease." The PSORS1 gene is actually one of over 20 different varieties (scientists call them alleles) of a gene called HLA-C. "In ter...

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