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Tag: "present" at biology news

Scientists create dual-modality microbeads to improve identification of disease biomarkers

...ological diseases by identifying certain molecules present in human blood or urine that indicate specific diseases, according to Nie, who is also professor of biomedical engineering, chemistry, materials science & engineering, and hematology and oncology at Emory University and the Georgia Institute of T...

New cigarette designs don't offer lower predicted cancer risks

...s new cigarette brand seems to promise a lot. "May present less risk of cancer associated with smoking," the company boasts on its Web site, making it a natural choice "for smokers who have decided not to quit, but who are interested in a cigarette that responds to concerns about certain smoking-related illn...

Napoleon's mysterious death unmasked, UT Southwestern researcher says

...dicate that the cancer was large, lymph nodes were present around the stomach and there were no tumors in other organs. Only 20 percent of patients with Stage IIIA gastric cancer survive five years if treated with modern surgery and chemotherapy. But what might have caused Napoleon's cancer? Risk facto...

Study uncovers a lethal secret of 1918 influenza virus

...ns of H5N1 avian influenza, the strain of bird flu present in Asia and which has claimed nearly 150 human lives but has not yet shown a capacity to spread easily among people. "What we see with the 1918 virus in infected monkeys is also what we see with H5N1 viruses," Kawaoka says, suggesting that the abi...

Gene chips forecast ecological impacts of climate change

... the University of California, Santa Barbara, will present a talk about the use of technologies in molecular biology to assess climate-change related impacts on marine invertebrates at the annual meeting of the American Association for the Advancement of Science in San Francisco on Sunday, Feb. 18. Her re...

Triplex assay used to assay duplex genomic DNA

...s, online journal, PLoS ONE. In the article they present a wealth of data relating to the assay of pathogen... human genomic duplex DNA and to the assay of SNPs present in human genomic samples. The assays are carried out homogeneously and in solution at room temperatu...

Will the plague pathogen become resistant to antibiotics?

...ase in Madagascar. But because the same ability is present in other kinds of bacteria from a broad range of l...s found in the Y. pestis from Madagascar were also present in bacteria such as Salmonella and Escherichia coli found in retail samples of beef, pork, chicken, ...

Scientists identify a gene that may suppress colorectal cancer

...ed the death of tumor cells, primarily when it was present on the same chromosome as the mutant Apc gene. ...

Living with water scarcity -- world must act now

...production practices, water use could stabilize at present levels." In developed countries, people eat more than what is healthy and 30% to 40% of food is lost between farmers fields to our forks. In developed countries, much of this loss is between the shop and our plates, and could be avoided if we are m...

Using dental X-rays to detect osteoporosis

...f Manchester, Athens, Leuven, and Malmö. They will present their findings today during the 85th General Session of the International Association for Dental Research. Osteoporosis affects almost 15% of Western women in their fifties, 22% in their sixties, and 38.5% in their seventies. As many as 70% of women...

The connector rotation hypothesis? Phage do not pack their DNA by rotation

...chaelis, Craig Hetherington, and Carlos Bustamante present their detailed investigation into how the Bacillus subtilis bacteriophage ö29 crams its DNA into the capsid following replication. Using their innovative system, Hugel and colleagues were able to observe capsids as they pack their DNA to directly ...

Experimental vaccine given during pregnancy reduces stillbirths from common virus

...the placenta, leading to pregnancy loss. CMV is present in bodily secretions and is spread through close personal contact, such as kissing or sharing eating utensils. For example, an infant in daycare could give the virus to her pregnant mother by kissing her on the lips, said Dr. Schleiss. The virus ca...

Inhibiting blood to save the brain

...es where blood leakage and microglia activation is present such as spinal cord injury, Alzheimer's disease or stroke. ...

Do you hear what i see?

... for the processing of communication signals. "The present study clearly shows where in the auditory system researchers have to focus." ...

Walking molecule now carries packages

...e, cleaned so that only the desired molecules were present on it. An individual anthraquinone molecule appears in Bartels' microscope as an almost rectangular feature with slightly rounded edges. ...

Boosting brain power -- with chocolate

...chocolate with a high cocoa content ?they are also present in other substances such as red wine, green tea and blueberries. He presented his research at the annual meeting of the American Association for the Advancement of Science (AAAS), one of the biggest annual gatherings of scientists from all over th...

Birds found to plan for the future

...sses as they have a sophisticated concept of past, present and future and factor this into their planning.? Previous research by Clayton’s team has shown that scrub-jays have a concept of the past. They remember what they have cached where and how long ago, and they also keep track of which particular bird...

Targeting tumors the natural way

...only when clusters of many alpha-Gal molecules are present for anti-Gal to bind with. Armed with this knowledge, Kiessling's group modified an agent known to bind tightly to integrin and tethered it to alpha-Gal. When they mixed this molecule with cells displaying high levels of integrin, the agent, by at...

Scientists identify specific enzymes that make meningitis hard to fight

...scovered that this novel combination of enzymes is present in a wide variety of bacteria and that it has a direct impact on the infectivity of human pathogens." Dr Geoff Baldwin from Imperial's Division of Molecular Biosciences added: "The wide importance of DNA repair to the viability of all organisms is...

Army research mission focused on autism

...orders and the GI (gastrointestinal) symptoms that present in the majority of these children. We cannot just give these kids pharmaceutical interventions for their entire lives. We need effective treatments that address the root cause of the problems. With sleep and GI function operating optimally, many of t...

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