Tag: "weeks" at biology news
Air travel and flu: Post-9/11 restrictions delayed start of season
... attacks in 2001, the flu season started about two weeks
later than usual. In both the northern and southern hemispheres, influenza epidemics occur annually during the winter flu season. Given the concerns about global epidemics of serious strains of flu, such as occurred in 1918, as well as the more rece...
Plant-derived molecules, genetic manipulation point to future chemoprevention methods
...hetic forms of CDDO, also reduced tumors. After 15 weeks
on a diet of the CDDO-ME triterpenoid, tumors numb...for leukemia and solid tumors. Beginning at 10 weeks
of age, mice that were genetically altered to become susceptible to breast cancer were fed either a ...
Successful lung cancer surgery not enough to break nicotine dependence in many smokers
...out half of the patients studied smoked within two weeks
of their operation," Walker says. "We are not certain what to make of the finding about education, because no other study about smoking cessation has reached that conclusion." How long patients quit before surgery may have been influenced by their...
New engineered drug may offer prolonged arthritis relief
...ctly into arthritic joints, could last for several weeks
rather than just the few hours the unmodified drug...said. In contrast, the sticky ELP took about two weeks
to fall to the 10 percent level in the animals' joints -- a "really substantial increase," she said....
Chemical tests of cell growth enter third dimension
...in the middle well, so tests can run for up to two weeks
without researchers having to replenish the growth medium. "If you replenish the medium, you could essentially grow cells indefinitely," Yang said. The second new technology to come from Yang's lab is a microfluidics platform that allows for testin...
Friendly bacteria in alcoholic milkshake could fight food allergies
...tilize them in medicine," he said. Also in this weeks
Chemistry & Industry, UK firm Rigest are looking for backers to develop an air sanitizing system using an enzyme found naturally in human tears. Lactoperoxidase can attack and kill microbes such as 'flu viruses and the bacteria responsible for MR...
Extraordinary life found around deep-sea gas seeps
...ty of Hawaii at Manoa (UH) ?has spent the last two weeks
exploring cold water seeps and other 'chemosynthetic' ecosystems around New Zealand's east coast onboard NIWA's deepwater research vessel Tangaroa. Cold seeps are areas of the seafloor where methane gas or hydrogen sulphide escapes from large stor...
Brains can recover from alcoholic damage but patients should stop drinking as soon as possible
...olume, form and function changed over six to seven weeks
of abstinence from alcohol in 15 alcohol dependent patients (ten men, five women). The researchers from Germany, the UK, Switzerland and Italy measured the patients?brain volume at the beginning of the study and again after about 38 days of sobriety...
Cigarette smoking impedes tendon-to-bone healing
...that rotator cuff repairs can fail in the days and weeks
after surgery. Some studies have reported short- t...other factors. "Especially during the first six weeks
after surgery, tissue may be vulnerable to re-injury," says Leesa M. Galatz, M.D., first author of t...
Changing length of days reverses how estrogen affects aggressiveness in mice
...s, behavioral effects can take hours, days or even weeks
to occur. But neuroscientists believe that when hormones send messages to cells outside of this gene-controlled network, behavior can change in minutes. So in another study, the researchers injected short-day and long-day mice with estradiol, a ty...
Very low birth weight linked to reduced quality of life in pre-school children
...ess lively. Premature babies delivered before 28 weeks
were much more likely to have a lower quality of life when it came to cognitive functions such as communication. Longer stays in neonatal intensive care units were also linked to reduced social function. The researchers suggest that this could be r...
Batfish to the rescue!
... days they had halved the amount of weed. In eight weeks
it was completely gone and the coral was free to grow unhindered," Prof. Bellwood explains. The turnaround was due mainly to one species of batfish, Platax pinnatus, which is comparatively rare on the GBR and was thought to feed only on invertebra...
Wheat gene may boost foods' nutrient content
...om the genetically modified plants matured several weeks
later than the control plants and showed 30 percent less grain protein, zinc and iron, without differences in grain size. This experiment confirmed that this single gene was responsible for all these changes." Dubcovsky said the research team was s...
Computer-based 'games' enhance mental function in patients with Alzheimer's
...k for 24 weeks. At baseline and after 12 and 24 weeks
of treatment, participants were assessed using sta...the Mini-Mental State Examination (MMSE). After 12 weeks
of treatment, the group that received both IPP and IMIS had improved outcome scores on both tests as...
Researchers use multiphoton microscopy to watch chromosomes in action
...he detail. The results were stunning. "Within two weeks
we had spectacular pictures," said Lis. The images included pictures of the genes (hsp70 genes) that protect flies from the effects of extreme heat. By cranking up the heat, the researchers could activate these genes, and by using fruit flies specifi...
New biologic treatment for tennis elbow may replace surgery for chronic sufferers
... a 2-week standardized stretching program and at 4 weeks
patients were allowed to return to normal sporting...ties. Follow-up visits were planned at 4 weeks, 8 weeks
and 6 months post-treatment, with a final overall evaluation. Using the visual analog scale, at 4 w...
A giant among minnows: Giant danio can keep growing
...it to keep growing. Study: Phase I - First four weeks
of life In the first phase of the study, the re... from the time they hatched through the first four weeks
of their larval stage. They found that the two species were the same size at hatch. By the end of we...
Smoking changes brain chemistry
..., age 21 to 59, in a smoking cessation program two weeks
after quitting and again six months later. Patient...ged to use nicotine patches during the initial six weeks
of smoking cessation; however, only 36 of the patients complied. Proton MRS is able to measure b...
Three-in-one virus killer prevents common, often fatal infections
...ients, who recovered completely within two to four weeks
of being treated without any side effects or toxicity. Preexisting therapies for adenovirus have had little success ?there is an 80 percent chance of death following the development of adenovirus. "Not only were patients prevented from getting the...
Study of gene transfer for erectile dysfunction shows promise
...study, improvements were maintained through the 24 weeks
of study. The study was conducted from May 2004 to May 2006 at Mount Sinai School of Medicine and New York University School of Medicine. Men ranged from 42 to 80 years old with a mean age of 59. Six subjects were white, four were black and one wa...
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