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Tag: "journal" at biology news

DNA Molecules Used To Assemble Nanoparticles

...f synthesis. For a paper published Jan. 21 in the journal Chemistry and Biology, U-M Biomedical Engineering graduate student Youngseon Choi built nanoparticle clusters of two different functional dendrimers, one designed for imaging and the other for targeting cancer cells. Each of the dendrimers also carri...

Wisconsin scientists grow critical nerve cells

...ings, reported online today (Jan. 30, 2005) in the journal Nature Biotechnology by scientists from the University of Wisconsin-Madison, are important because they provide critical guideposts for scientists trying to repair damaged or diseased nervous systems. Motor neurons transmit messages from the brain ...

Molecular biology fills gaps in knowledge of bat evolution

... has published a paper in the Jan. 28 issue of the journal Science that uses molecular biology and the fossil data to fill in many of the gaps. Springer coauthors the paper, titled A Molecular Phylogeny for Bats Illuminates Biogeography and the Fossil Record, with William Murphy, Stephen J. O'Brien and Emma...

Spleen may be source of versatile stem cells

...on the science of aging from the publishers of the journal Science. "Theremay be a previously undiscovered pocket of primitive stem cells in thespleen that are important for healing several types of damage orinjury," says Denise Faustman, MD, PhD, director of the MGHImmunobiology Laboratory and senior autho...

Source of molecular triggers in cutaneous T cell lymphoma identified

In a study published in the journal Blood, Yale scientists identify the molecular triggers that stimulate Cutaneous T Cell Lymphoma (CTCL) cells to clonally expand into large populations of malignant lymphocytes. CTCL is the most common adult malignancy of T lymphocytes, the white blo...

Growth in the sea comes down to a struggle for iron

...to the 1930s. However, it wasn't until 1989 in the journal Nature that oceanographer John Martin reported the first series of iron experiments that indicated iron was indeed the missing ingredient. And he went further than that. Since growing plants absorb carbon dioxide, a powerful greenhouse gas, he sugges...

Neuronal 'traffic jam' marks early Alzheimer's disease

...ir findings in the February 25, 2005, issue of the journal Science. Goldstein and his colleagues at UCSD collaborated on the studies with a researcher at the Albert Einstein College of Medicine. According to Goldstein, there has been evidence that late-stage Alzheimer's disease involves a failure of the mac...

Current human embryonic stem cell lines contaminated UCSD/Salk team finds

...n a study published online January 23, 2005 in the journal NatureMedicine, the researchers found that human embryonic stem cells,including those currently approved for study under federal funding inthe U.S., contain a non-human, cell-surface sialic acid calledN-glycolylneuraminic acid (Neu5Gc), even though h...

UCLA Study Shows One-Third of Drug Ads in Medical Journals Do Not Contain References Supporting Medical Claims

...also reviewed a random sample of 400 references in journal articles from the same publications for comparison...most commonly cited references in the ads included journal articles (55 percent) and data-on-file (19 percent), which is a reference to an unpublished company ...

Elusive HIV shape change revealed; Key clue to how virus infects cells

...ir findings, published in the Feb. 24 issue of the journal Nature, offer clues that will help guide vaccine and treatment approaches. Researchers led by Howard Hughes Medical Institute Investigator Stephen Harrison, PhD, and Bing Chen, PhD, focused on the gp120 protein, part of HIV's outer membrane, or enve...

Antarctic ice shelf retreats happened before

...ng to research published this week (24 Feb) in the journal Geology by scientists from Universities of Durham, Edinburgh and British Antarctic Survey (BAS). A study of George VI Ice Shelf on the Antarctic Peninsula is the first to show that this currently 'healthy' ice shelf experienced an extensive retreat ...

Anti-bacterial additive widespread in U.S. waterways

...ronmental Science &Technology, a peer-reviewed journal of the American Chemical Society. "We'vebeen using triclocarban for almost half a century at rates approaching1 million pounds per year, but we have essentially no idea of whatexactly happens to the compound after we flush it down the drain," saidth...

Tiny particles could solve billion-dollar problem

...itute of Technology, will appear next month in the journal Environmental Science and Technology, a publication of the American Chemical Society. "The advantages of palladium-based TCE remediation are well-documented, but so is the cost," said lead researcher Michael Wong, assistant professor of chemical eng...

Plants, animals share molecular growth mechanisms

...e study are published in the February issue of the journal The Plant Cell. "Perhaps by learning about this pathway for actin filament formation, we can engineer plant cells to grow in different ways or alter how cells respond to external stimuli so they can defend themselves against insect or fungal attacks...

Recent breakthroughs in common adult leukemia highlighted in New England Journal of Medicine

...heories that dated back to the 1960s. As such, the journal recently invited three of the world's foremost experts on chronic lymphocytic leukemia (CLL) to write an authoritative update covering the transformation in the scientific community's knowledge of CLL that has occurred over the past decade. The revie...

Novel antiviral technology inhibits RSV infection in mice

...study was reported in the January 2005 issue ofthe journal Nature Medicine.RSV infects lung cells and can be life-threatening in very youngchildren, the elderly and those with compromised immune systems. Novaccine or widespread antiviral treatment is available for theinfection. Researchersat USF's Joy McCan...

The secret to longevity in tubeworms

...r just published in the premier open-access online journal PLoS Biology, Erik Cordes and colleagues now provide a solution: by releasing its waste sulfate not up into the ocean but down into the sediments, L. luymesi stimulates the growth of sulfide-producing microbes, and ensures its own long-term survival....

A much-needed shot in the arm for HIV vaccine development

... in the freely available,open-access global health journal PLoS Medicine.The Global HIV/AIDS Vaccine Enterprise is an international alliance ofindependent agencies and organizations conducting or supporting HIVvaccine research. In June 2004, the G8 countries endorsed its goals,and will consider the new plan ...

Inexpensive, mass-produced genes core of synthetic biology advances at UH

... the current issue of Nature, the weeklyscientific journal for biological and physical sciences research. “Synthetic genes are like a box ofLego building blocks,?Gao said. “Their organization is very complex,even in simple organisms. By making programmed synthesis of geneseconomical, we can provide more eff...

Study Links Ebola Outbreaks To Animal Carcasses

...partners. Appearing in the February edition of the journal Emerging Infectious Diseases, the study found that many animal carcasses tested for Ebola between 2001 and 2003 produced positive results, and found direct links between the deadly disease in animal populations and humans. "This research proves that...

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