Tag: "extract" at biology news

UI Laboratory Develops Procedure To Study DNA Replication

...s of hislaboratory let DNA replication start in an extract from human cells. Theresearchers attach magnetic beads to the DNA molecules and use a magnet toisolate the molecules and associated replication proteins. The researchers canthen manipulate the extracted DNA and add specific replication proteins in ac...

Jumpin' Jordan! Athletic Gene Yields Biological Clues

...ordanmutation in the gene where it lands, and then extract that gene's pre-existingDNA and study it. Having Jordan in a gene gives us a handle to pull out the DNAof interest. That's how we found these two genes, and their discovery has led toa far deeper understanding of Volvox than we've ever had before." ...

New Biochemical Technology Ready To Retrieve, Purify Heaviest Crude Oil

...ng a strongstrategic incentive to find new ways to extract and use it. Conventional technology for extracting petroleum typically leaves behind morethan 60 percent of the original oil. Also, today's technology is notcost-effective for the lowest-grade crudes. So, Brookhaven scientists haveworked for sever...

Trash From Crop-Processing Plant Harvested For Disease-Fighting Agents

...tured mammalian and human cells indicate anethanol extract of soybean molassesrepresses the ability of at least one dietary carcinogen to damage the DNA ofnormal cells, the researchers report. A report is being published in the May issue of Agricultural Research Magazine.More details will appear later in the...

Walker named a Fellow of the British Royal Society

...nd conducting laboratoryanalyses of the fossils to extract as much environmental and behavioralinformation from them as possible. He pioneered the study of living primates asa basis for the analysis of fossils and was one of the first to use scanningelectron microscope studies of enamel microwear on teeth t...

Researchers at UNC-CH succeed in synthesizing ginkgo molecule

...l veins unlike any other plant. "Ginkgo extract has been used to treat coughs, allergic inflammati...torantagonist, is the most active component of the extract in terms of helpingtreat asthma and other allergic responses, he said. Five or more ginkgolide-typem...

Ginkgo herbal supplements vary widely in content

... involves boiling the leaves of thetree, or Ginkgo extract products, to separate the ginkgolides and bilobalide andthen using a common analytical instrument called a gas chromatograph to measurethe compounds. "Compared to other reported methods for ginkgolide separation, this method cansignificantly reduce t...

Green tea can help prevent rheumatoid arthritis

...uce your risk of this disease," said Mukhtar. "The extract given to the micewas the equivalent of a human drinking four cups of green tea a day." In three independent experiments, six mice received water with green teapolyphenols, while six others received plain drinking water. All of the micethen...

Home owners may sleep better because student overcame her fear of insects

...at food has tobe in liquid form or a form they can extract as liquid, such as a gel." Another important facet in understanding the process is how food isdistributed among nest members. Low level radioactivity was used to trace fooddistribution in the nest. The researchers began to incorpora...

International biotech firm to locate in Southwest Virginia

...c cows will be at a farm inCraig County. The milk extract will be reprocessed at the Virginia TechCorporate ...lood-bornediseases and amount of blood required to extract the proteins, the currentprocess is very costly. Therefore, researchers are looking toward a new so...

Blueberries: New thrills for those over the hill

.... In anew research study, animals fed a blueberry extract diet, rich innaturally-derived antioxidants, showed fewer age-related motor changes andoutperformed their study counterparts on memory tests. Indeed, blueberries andother foods containing antioxidants may act to protect the body against damagefrom o...

Wake Forest researchers ask: Can ginkgo prevent memory loss?

...University School of Medicine will test whether an extract from the leaves of the ginkgo tree can slow memory loss in older adults. They will ask participants in a large continuing national study -- the Cardiovascular Health Study (CHS) -- to sign up for the clinical trial of ginkgo. CHS is an observational ...

Two studies add to the growing evidence that green tea is beneficial for health, according to the

...Journal of Clinical Nutrition, foundthat green tea extract -- which contains high concentrations of antioxidants such ascatechin-polyphenols and many other compounds including caffeine -- can increase the utilization ofenergy beyond the effects of caffeine alone. Consumption of green tea produced thermogenes...

X-rays may show way to better Alzheimer's drugs

...ciculin - a snake venom toxin, and huperzine A an extract from a Chinese herb used for centuries to treat memory disorders. All of these substances, as well as the newly examined galanthamine, are joined by a common denominator. Although they differ in their mode of association, they inhibit AChE ...

Rate of sound impulses markedly affects ability to perceive volume

...ow a person with hearing impairments to accurately extract and localize sounds in the environment....

INEEL microbiologist joins Japanese on expedition to tap marine-methane deposits

...e hydrates? As in previous work, researchers will extract methanogens from sediment samples and culture them in the lab. Delwiche, who has been designing high-pressure systems since 1994, has created a small two-liter bioreactor with a temperature gradient that simulates on a small scale the natural condit...

Adding acetone to compost remediates chunk TNT contaminated soil

... that showed acetone could be used as a solvent to extract the TNT from the dirt. Unfortunately -- or fortunately -- they couldn't find a way to safely recover the acetone containing dissolved TNT from the soil. They decided to try composting the contaminated soil without first removing the acetone. The chun...

Researchers find key to spurring methane conversion

...reservoirs to methane because methane is easier to extract than oil. Adds Lovley, "When we better understand the conditions under which microorganisms convert oil to methane, we should be able to better predict where explosive deposits of methane will be located. This should make oil exploration a bit sa...

Integrative approach to studying penguins, cockroaches and little hairy noses makes comparative biomechanics group at UC Berkeley the nation's best

...engineers. But you don't want to copy, you want to extract principles. Nature has all kinds of screw-ups. Evolution is based on the principle of just good enough, it's not perfect at all. I think we can build robots today better than any one organism. We can do that now."...

Gene tug-of-war leads to distinct species

...e their best interests are served if their progeny extract as many maternal resources as possible in order to ensure survival. Mothers, on the other hand, then silence their copy of growth-promoting genes in retaliation because they value all of their progeny equally. In a research article published in the ...

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