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Tag: "analyze" at biology news

Georgia Tech accelerates drug discovery with new IBM supercomputing cluster

... and faculty the ability to quickly and accurately analyze complex DNA and proteins to determine the biologic... reliable computing power they need to efficiently analyze massive amounts of data," said Marc Randall, president and CEO at Force10 Networks. "IBM has taken ...

New analysis shows three human migrations out of Africa

...d time. Three years later, he had 25 regions to analyze and the data provided molecular evidence of a third migration, this one the oldest, back to 1.9 million years ago. "This time frame corresponds extremely well with the fossil record, which shows Homo erectus expanding out of Africa then," Templeton...

Novel method reveals how menthol discovery could point towards new or improved pain therapies

...igh-throughput screening methodology allowed us to analyze 14,000 mutants out of which we isolated five that ...it could prove to be useful as a general method to analyze the mechanism by which drugs can activate or inhibit ion channels or other receptors. Specifically, ...

Study: Paramedics save more lives when they don't follow the rules

...defibrillator, they did not wait for the device to analyze the patient's heart rhythm, but started fast, forceful chest compressions. "Intubating the patient and waiting for the defibrillator to do its analysis takes time ?time a cardiac arrest victim doesn't have," said Gordon A. Ewy, MD, director of the S...

Liquid crystals show promise in controlling embryonic stem cells

...data and cells often have to be killed in order to analyze the markers. "This newly devised cell culture system enables a new paradigm in stem cell research," says chemical and biological engineer and MRSEC Director Juan de Pablo. "Ultimately, we hope to use liquid crystalline materials to transmit desired ...

Scientists discover new genetic subtypes of common blood cancer

...n array CGH (comparative genomic hybridization) to analyze samples from 67 newly diagnosed patients provided by Shaughnessy in Arkansas. The CGH technique compared the genomes of a normal blood cell with various myeloma cells in search of differences. The goal was to identify recurrent copy number alterati...

Research tracks whales by listening to sounds

...a series of long-duration NOAA moorings. They will analyze possible connections between the appearance of the whales and ocean conditions. "We'll look at water temperature, salinity and even chlorophyll growth," Mellinger said. "Ultimately, what we hope is to be able to identify a certain water mass and know...

Inside rocks, implications for finding life on Mars

...pf is the first scientist to use this technique to analyze ancient microscopic fossils. He discovered that the composition of the fossils changed; nitrogen, oxygen and sulfur were removed, leaving carbon and hydrogen. Confocal microscopy uses a focused laser beam to make the organic walls of the fossils flu...

p53, tumor suppression and aging

...ession comes at the cost of accelerated aging. To analyze the effects of reduced Mdm2 levels on tumorigenesis ?as well as the potential for unwanted side effects ?Dr. Perry's team used mdm2-hypomorphic mice (that express less Mdm2 protein than normal mice) which have elevated levels of wild-type p53 activit...

Computer scientist sorts out confusable drug names

...t the FDA has been using for the past two years to analyze proposed drug names and rank them in terms of confusability, both phonetically and orthographically, with existing drugs. "The FDA used to have dozens of people scouring the lists of names to check if the proposed ones were too similar to any of the...

Markers of gene, protein, or micro-RNA activity predict outcome in prostate and colorectal cancers

...es that specifically bind to the proteins, and can analyze the actual concentration of these proteins. MicroRNA Signature for the Human Colonic Crypt Base Region is Predictive of Colon Cancer: Abstract No. LB-6 Most researchers use gene or protein "chips" to define cancer processes, but researchers at Th...

AIDS-related cognitive impairment exists in two separate forms

...es that specifically bind to the proteins, and can analyze the actual concentration of these proteins. MicroRNA Signature for the Human Colonic Crypt Base Region is Predictive of Colon Cancer: Abstract No. LB-6 Most researchers use gene or protein "chips" to define cancer processes, but researchers at Th...

New human retrovirus originated in mice

...ording to DeRisi, the Virochip made it possible to analyze these samples without preconceived biases about what viruses might be present. "Since the chip represents every known virus in one assay, it is agnostic as to what might be found," he said. "We would never have looked for this class of virus if it wa...

Scientist-astronaut sends T-cells into space

...n her VA lab in San Francisco, Hughes-Fulford will analyze the results. "Our expectation is that the T-cells in the centrifuge ?basically, under artificial gravity ?will be activated normally, and the T-cells in microgravity will not be activated," she predicts. "We will compare them side by side and disco...

Polymers show promise for lab-on-a-chip technology

...?a tiny system that could be used, for example, to analyze blood samples and biopsies much faster, cheaper and more comprehensively than current methods. In the past, most microscale research and development funds have targeted silicon, the fundamental material in the semiconductor industry. But LCPs are le...

Purdue creates new low-cost system to detect bacteria

...nike polynomials. These descriptors can be used to analyze how light-wave patterns are distorted after passing through lenses having complex flaws or aberrations. Individual bacterial colonies growing in a petri dish also distort light passing through them, just as a lens changes light-wave patterns. "Th...

Johns hopkins researchers find link between cell's energy use and genome health

...e-celled organisms, they grow quickly, are easy to analyze in the lab, and contain many genes and biological processes present in other animals, including humans. For example, like all animal cells, yeast use sugar as an energy source. To harvest the energy contained in sugar, the yeast must convert the s...

UCLA scientists strengthen case for life more than 3.8 billion years ago

...ions at specific microscopic areas of a sample and analyze them. While critics noted there are ways to make light carbon in the absence of life, Harrison considers those possibilities to be "extremely unlikely," especially in light of another discovery of rocks in Western Greenland, not far away, of the sa...

Magnetism and mimicry of nature hold hope for better medicine, environmental safety

... "We knew we had the perfect surface on which to analyze drops of blood and other biological fluids because... better," said research associate Lindsay. "We can analyze things using small droplets that normally would require much larger amounts of fluid for testing. Th...

Speeding the search for elusive chromosomal errors

...igonucleotides, which allow researchers to rapidly analyze a person's whole genome -- the entire complement o...laboratory has subsequently used the microarray to analyze DNA samples from more than 60 patients, and have detected novel microdeletions and microduplications...

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