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Tag: "daily" at biology news

Controversial drug shown to act on brain protein to cut alcohol use

...mption. They inducedthe rats to consume alcohol in daily drinking sessions and thendemonstrated that their ...alcohol to rats until theyhad become "experienced" daily drinkers. They then withheld alcohol fortwo weeks, which normally leads to greatly increased drinkin...

Scientists rid stem cell culture of key animal cells

...to grow and sustain stem cells through the tedious daily task of generating mouse feeder cells from mouse e...ells," says Xu. "It also significantly reduces the daily labor of preparing the feeder cell-conditioned medium." "It is important that the culture of human ...

Ophthalmologists Use Artificial Silicon Retina Microchip To Treat Vision Loss

...ents have experienced improvement in activities of daily living such as improved ambulation-not bumping into objects around the house, and reading the time on a clock." Still in Phase II clinical trials, Pollack cautions it is still too early to determine what percentage of patients might experience impro...

Unprecedented water level rise in Somalia

...ility of the population around the city, affecting daily activities such as commuting to work, school and accessing hospitals and markets. The floods affected at least 170 households. ...

Ophthalmologists implant five patients with artificial silicon retina microchip

...ents have experienced improvement in activities of daily living such as improved ambulation-not bumping into objects around the house, and reading the time on a clock." Still in Phase II clinical trials, Pollack cautions it is still too early to determine what percentage of patients might experience impro...

Artifical cornea lets woman blind 20 years see

...which is why every patient must adhere to a strict daily regimen of antibiotic eye drops. With regular maintenance ?including visits to the ophthalmologist at least every three months (more frequently immediately after surgery) ?complications can be kept to a minimum, she said. Because of the intensiveness...

Discovery clarifies role of peptide in biological clock

...eded by the brain's biological clock to coordinate daily rhythms in behavior and physiology. Neurons in the...d later and later on subsequent days so that their daily activity patterns were splitting apart." Herzog and Aton recorded neuron activity from the SCN usin...

Innovative collaboration brings Arctic science into the classroom

...uring their expedition, Holmes and Clapp will have daily communications with students and the public, using a satellite phone hooked to a laptop computer for internet communications. According to Holmes, "Getting kids excited about science is the most important thing. If they realize that science is an exc...

Characterizing Skin Cancer by Microarrays

...ademy of Sciences. Founded in 1914, PNAS publishes daily online and weekly in print. The preceding highlights are not intended to substitute for articles as sources of information. The articles in PNAS report original research by independent authors and do not necessarily represent the views of the Nationa...

Newly discovered protein an important tool for sleeping sickness research

... 36 countries of sub-Saharan Africa are threatened daily by a deadly parasitic disease known as African sleeping sickness. The disease is caused by organisms called trypanosomes, which are spread by the tsetse fly. African sleeping sickness affects approximately 500,000 people in sub-Saharan Africa, a quar...

Breakthrough System for Understanding Ocean Plant Life Announced

... 36 countries of sub-Saharan Africa are threatened daily by a deadly parasitic disease known as African sleeping sickness. The disease is caused by organisms called trypanosomes, which are spread by the tsetse fly. African sleeping sickness affects approximately 500,000 people in sub-Saharan Africa, a quar...

Researchers Identify Cause of Early Bird Sleep Disorder

...othered by living out of sync with everyone else's daily schedule. "Some of them would never come to a doctor" to find out what's going on with their sleep pattern, Ptacek said, "because they aren't troubled by it. Often, they have adjusted and accommodated their jobs to match their ability. But others ar...

Searching the depths of the straits of Florida for disease cures

... as deep as 3,000 feet. The team will also conduct daily scuba dives in search of shallow-water organisms for biomedical testing. Though Harbor Branch has used its submersibles to explore the Bahamas extensively since the 1970s, this will be the institution's first trip to Cay Sal. Almost no information i...

Best research work in the area of wine growing

...deficit in each plant was assessed by means of the daily measurement of the hydric potential before dawn and, when a plant reached the stress interval, it was irrigated immediately. After two or four days after the recovery irrigation, the gaseous interchange was measured, comparing it with plants that had...

Does vitamin C help prevent or treat the common cold? Maybe not, after all.

...the last 65 years. All of these studies compared a daily dose of 200mg of vitamin C or more against a dummy pill (placebo). Did vitamin C given for prevention reduce the risk of picking up a cold? The authors looked at 23 studies done in the general population, using doses of up to 2g daily, and found tha...

Late peak may have prevented severe flu season from becoming worse

...rrent of their kind. In the 2004-2005 flu season, daily CAP discharges peaked at an average of about 7,000 and 8,000, respectively, in January/February 2005 compared to the previous flu season's December 2003/January 2004 peak. Both these seasons had approximately 31 percent more hospital discharges than ...

New protein vital for immune response is found in surprise location

... was best known for generating energy required for daily life. "This is the first mitochondrial protein known to be involved in immune defense against any microbial infection," said Dr. Zhijian "James" Chen, associate professor of molecular biology at UT Southwestern and the study's senior author. "This d...

New type of rejection blocker protects kidneys after transplant

...ith a collection of medications that must be taken daily to prevent rejection by suppressing the immune system's hostile response to a transplanted organ, Vincenti said he expects his patients to receive an injected immune tolerance treatment a few times a year -- and perhaps to be able to stop taking anti...

Female volunteers prepare for a second 'bedrest'

...es in regular exercise sessions. In another group, daily meals were accompanied by a dietary supplement (certain amino acids which form the basis of proteins). Volunteers needed for phase 2 For phase 2 of the study, which is due to begin in September, ESA, the French space agency CNES and the MEDES Insti...

UNC computer, marine scientists collaborate to predict flow of toxic waters from Katrina

...nd other weather factors. Their goal is to provide daily forecasts of coastal circulation and pollutant concentrations in the Katrina-affected region, information that will be vital as cleanup efforts and recovery continue. The two also have extended their work with RENCI, Reed and colleagues to analyze v...

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