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Tag: "techniques" at biology news

Penn Surgeons Use Completely Robotic Surgery to Successfully Treat Prostate Cancer

...pplying the most precise, most beneficial surgical techniques to put patients on a quicker road to recovery with better outcomes,?said Dr. Lee. ...

Scientists learn to predict protein-stabilizing ability of small molecules

...pplying the most precise, most beneficial surgical techniques to put patients on a quicker road to recovery with better outcomes,?said Dr. Lee. ...

Team led by Carnegie Mellon University scientist finds first evidence of a living memory trace

... over time. Galán then used advanced mathematical techniques to process the images and create a matrix of the extent (or amplitude) of neuronal excitation and inhibition within glomeruli. He retrieved a spatial pattern of synchronized, correlated activity ?the memory trace ?from what appeared to be random fluc...

Cells from amniotic fluid used to tissue-engineer a new trachea

...ou want." Last year, Fauza reported using similar techniques in newborn lambs to repair congenital diaphragmatic hernia (CDH), or a hole in the diaphragm that separates the lungs from the visceral organs. If the hole is large enough, the stomach and other visceral organs can end up in the chest cavity, crowdi...

Free-energy theory borne out in large-scale protein folding

...ding on a computer, Clementi and Das relied on the techniques of statistical mechanics, building up an overall picture of MLAc folding based upon statistical approximations of molecular events. On the experimental side, Wittung-Stafshede, Matthews and Wilson prepared samples of MLAc and added urea to cause the...

Synthetic Protein Eases Arthritis Symptoms in Mice

... its usual task. The scientists used a variety of techniques (including injection of TNF-alpha) to induce arthritis symptoms in mice. Researchers also injected some of the animals with lab-made PLAD (P60 PLAD). “We found that P60 PLAD protein powerfully inhibited the symptoms of TNF-alpha-induced arthritis,?sa...

PET imaging reveals the immune system at work

...ing possibility, according to Witte, is that these techniques could be turned to the study of autoimmune disease...s or tissues as foreign and mounts an attack. The techniques they've developed should now enable scientists -- and one day clinicians -- to observe the ebb and f...

Jefferson biologist coaxing human embryonic stem cells to make dopamine with simpler, faster method

...ing possibility, according to Witte, is that these techniques could be turned to the study of autoimmune disease...s or tissues as foreign and mounts an attack. The techniques they've developed should now enable scientists -- and one day clinicians -- to observe the ebb and f...

Marathon of nano-sprinters

...ew theory can be investigated in experiments using techniques which have been developed for single motors. In fact, preliminary ex-periments at the Max Planck Institute in Potsdam agree with the theoretical predictions. Likewise, the quantitative theory should also be useful in order to design biomimetic transp...

Microarray technology for tailoring breast cancer therapy

...ndividual patients indicates a need to develop new techniques for better prediction of how patients will respond to adjuvant treatments. The researchers suggest that the technique of DNA microarray analysis could be developed to help breast cancer patients who do not benefit from adjuvant therapy, and avoid pai...

Harnessing genomic research

...netics Ltd are miniaturising established molecular techniques and combining them with novel assays to develop a hand-held 'chip' that will allow doctors to identify specific bacteria in patient samples. In the future this chip could be used to for rapid diagnosis of dangerous diseases such as MRSA infection and...

Olfactory system detects pheromones that control reproduction

...s designed to tease out the routes of neurons used techniques that depended heavily on dyes that could not label...ues on LHRH release. But because classical tracing techniques could not specifically identify the connection of neuronal subsets, they ended up tracing the routes...

What can change in the brain? Electrical synapses, research shows

...reated neurons with two different drugs. All three techniques either activated or blocked metabotropic glutamate receptors or mGluRs, a type of neural trigger that responds to the amino acid glutamate, a trans-mitter molecule in the brain. The result: a long-lasting, 20 to 30 percent reduction in electrical syn...

New U. of Colorado at Boulder flu chip may help combat future epidemics, pandemics

...logy," Kuchta said. Standard laboratory culturing techniques by the CDC and WHO currently take four days to five days to determine flu strains afflicting patients, said Kuchta. While commercial tests like rapid antigen testing can detect influenza in less than an hour, none provide genetic information about v...

Technique offers new view of dynamic biological landscape

...searchers at the University of Toronto. Previous techniques for analyzing epistatic interactions -- how the activity of one gene affects that of another -- involved altering single genes and analyzing their impact on growth in combination with all other genes in the yeast genome. "The one-to-one method has be...

'Computer-chemistry' yields new insight into a puzzle of cell division

...dies, but also from using sophisticated simulation techniques to perform "chemistry in the computer." In a pape...ert Edelsbrunner. Edelsbrunner, who has developed techniques and computational programs for modeling and analyzing complex molecular shapes, used a large cluster...

Researchers develop new method to help find deadly malaria parasite's Achilles heel

...led laboratory conditions have been slowed because techniques designed for other organisms work poorly with Plasmodium because 80 percent of its genome is comprised of only two of the four building blocks of DNA. Stanly Fields, a professor of genomic sciences at the University of Washington who invented an ing...

New technique puts brain-imaging research on its head

...tant professor of radiology, on other advanced MRI techniques with the hope of finding noninvasive ways to detect and characterize brain injuries. ...

Alleged 40,000-year-old human footprints in Mexico much, much older than thought

...xposed near a reservoir outside Puebla. Its dating techniques returned a date of 40,000 years ago, in contrast to the oldest accepted human fossil from the Americas, an 11,500-year-old skull. This makes the rock "one of the most important areas in the study of early human occupation in the Americas and would su...

Portable cocaine sensor developed at UC Santa Barbara

...d representative target for testing new analytical techniques due to pressing needs for its rapid detection in law enforcement and clinical settings." The sensor can be housed in supporting electronics that are the size of a small hand-held device. Co-author and Nobel laureate Alan Heeger said, "We have develo...

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