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Tag: "assisted" at biology news

Study shows dramatic increase in Caesarean sections

...ad dropped by 5 per cent, while forceps and vacuum assisted deliveries were down by 15 per cent. ...

Whiteflies and plant viruses can help each other to speed up biological invasion

...egion, and its recent widespread invasion has been assisted by the worldwide flower trade. The question remains how this pest can increase so rapidly and displace native biotypes of whitefly after it has been transported to new localities. The research compared development, survival, fecundity and populat...

Study identifies risk factors for spread of respiratory infections in hospitals

...ronmental and administrative factors that may have assisted in the transmission of the infection from one patient to another. This new study suggests that hospital beds placed too closely together, hospital staff working while having symptoms of SARS, and the use of oxygen therapy were the most significant ri...

Underweight women at greater risk of miscarriage

...e associated with 41% increased odds. All types of assisted reproduction were associated with increased odds, but the ratios were highest among pregnancies resulting from intrauterine insemination or artificial insemination. Women who described their pregnancy as 'planned' had 40% reduced odds of miscarria...

Global changes alter the timing of plant growth, scientists say

...asper Ridge Biological Preserve; Scott Loarie, who assisted with this research while a Stanford undergraduate; Christopher B. Field, director of the Carnegie Institution's Department of Global Ecology (located on the Stanford campus) and faculty director of Jasper Ridge Biological Preserve, and Harold A. Moon...

Twenty Years of Malaria Research: Outcomes and Perspectives

... to hide in the jungle. Now, Professor Nosten is assisted in his work by Thai nationals from the region, including a number of local Karen and Burmese who received training by the SMRU team. In addition to studying malaria drug treatments for pregnant women, the unit has carried out crucial research into ar...

Cigarette smoking impedes tendon-to-bone healing

...d vessels that bring in new cells. That process is assisted by increases in blood supply that may not happen as efficiently in smokers." ...

Lack of key enzyme associated with development of rare tumor

...entists from Sapio Sciences in York, Pennsylvania, assisted in the analysis of the data. In conducting the study, the researchers used gene arrays to analyze the DNA of patients with a rare tumor of the adrenal glands, known as micronodular adrenocortical hyperplasia, explained the study's senior author, Con...

New egg freezing technique offers hope to hundreds of women

...od has been used successfully for human embryos in assisted reproduction for two decades, but has been far les...his technology opens up new horizons for medically assisted reproduction in women, enabling them to have the option of having children at a later date by freezi...

Study finds that a woman's chances of having twins can be modified by diet

...increased significantly since 1975, about the time assisted reproductive technologies (ART) were introduced. The intentional delay of childbearing has also contributed to the increase of multiple-birth pregnancies, since older women are more likely to have twins even without ART. "The continuing increase in...

New GI technologies improve internal organ visualization

... and deliver sedation during surgery with computer assisted personalized sedation (CAPS), which uses computer software to facilitate precise control of drug delivery. Anesthesiologists and physician/nurse care teams in the study first injected 24 patients (12 colonoscopy and 12 endoscopy) with a single dos...

How IVF could be causing genetic errors in embryos

... and behavioural abnormalities are associated with assisted reproductive techniques. Cases of Angelman and Beckwith Wiedeman syndromes in humans, which are due to aberrant genomic imprinting, and other abnormalities in growth and development in mice have been described after culture in vitro," said Professor ...

Device effective in zapping the pain out of migraines

...is new understanding of the migraine mechanism has assisted with the development of the TMS device. ...

World Trade Center identifications pushed forensic DNA technology

...ersonnel came and went, and companies and agencies assisted on projects and then dropped out of the program. In the end, hundreds of people cooperated in the identifications. Not all individuals who died on Sept. 11 were identified, but the best possible effort given the circumstances and the level of techn...

Robot assisted surgery more accurate than conventional surgery

...tudy from Imperial College London shows that robot assisted knee surgery is significantly more accurate than c...ntional surgery, and the remaining 13 having robot assisted surgery. Although the operations took a few minutes longer using the robotic assistant, the replac...

A surprising pair of proteins help make healthy eggs

...na Voronina, a Brown postdoctoral research fellow, assisted with the research. The Berkeley team included lead author Kenneth Geles, Wei-Li Liu and Shuang Zheng. Berkeley Professor Robert Tijan, an investigator with the Howard Hughes Medical Institute, oversaw the work. ...

'Bad' enzymes may wear white hats after stroke

...ssel remodeling that occurs after stroke. She also assisted with behavioral studies of rats that had received MMPs to see how well they recovered after a stroke. HHMI medical student fellows are medical students who are interested in biomedical research. The fellowships support a year of research, usually be...

Liquid ventilation

... problems of pressure associated with conventional assisted respiration are avoided because the lungs of the premature baby suffer less stress and respire more easily. However, this story does not have a happy ending. The respirator, for the moment, is no more than a prototype. In the experiments carried o...

Open Source Biotechnology alliance for international agriculture

...nation), new plant breeding methods such as marker assisted selection, or even true breeding hybrids of crop species that would allow farmers in developing countries to use hybrid seed year after year. Adds Jefferson, "Scientists and farmers need better options for problem solving, that meet their priorities,...

UCR environmental scientists propose chemical solution to cleaning California's Salton Sea

...Goodson, M. R. Matsumoto and M. A. Anderson of UCR assisted with the study, which was conducted in 2003-2005. The California State Water Resources Control Board and the Salton Sea Authority provided financial support. Details of the study: Phosphorus is contributed to the Salton Sea in both colloidal and d...

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