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Tag: "method" at biology news

University of Manchester makes made-to-measure skin and bones a reality using inkjet printers

...s thick (1,000layers equals 1cm in thickness).This method allows larger tissues to be grown than previously possible.The reason for this is the way in which the cells are inserted into thestructures.Before being fed into the printer, the cells are suspended in anutrient rich liquid not dissimilar to ink, wh...

Novel technology detects human DNA mutations

...wo-step process calledClearReadTM technology. This method sandwiches a target DNA SNP segment between two oligonucleotide sequences to greatly increase detection specificity and sensitivity. One segment identifies any mutations in the DNA and the probe, a highly sensitive gold nanoparticle, creates a strong...

Termites feed through good vibrations

...lant. But our work shows that this is not the only method of assessment. There are many accounts of termites not consuming a piece of palatable wood." ### Listen to termites walking and chewing pine http://www.csiro.au/audio/termite_Feb05.mp3 Termite pictures: http://www.scienceimage.csiro.au/index.cfm?e...

“Nano-scissors?laser shows precise surgical capability

... fromthe University of Texas at Austin developed a method of laser-assistedsurgery to work on these little beasts, being able to section a singleaxon (the "arms" of a neuron) with great precision : Anultra-short pulse laser that can perform extremely precise surgery ontiny roundworms may be the key to unde...

Genome-wide mouse study yields link to human leukemia

...ylation patterns among the three groups of mice ?a method of using enzymes and gel electrophoresis to map tiny bits of DNA on a grid. The stretches of DNA, referred to as fragments, show up as smudgy blobs on a test film. If a fragment is dark and definite, it is not methylated. If, on the other hand, it lo...

Breakthrough Microarray-based Technology for the Study of Cancer

...echnologies. The company has reported aninnovative method that enables the rapid advance of microarray-basedcomparative genomic studies in cancer. According to the reportpublished in the December 24, 2004 issue of the Proceedings of theNational Academy of Science (PNAS) in collaboration with the NationalHum...

The transparent organism: EMBLEM and Carl Zeiss give labs a unique look at life

...rl Zeiss includes a common cooperation project for method optimization and product development. ...

Study finds more than one-third of human genome regulated by RNA

...life'sfunctions.The team developed a computational method to define the relationshipbetween microRNAs and their target genes. In December 2003, the samegroup identified 400 genes in the human genome targeted by microRNAs.(Prior to this study, there were no known microRNA targets in anyvertebrate.)In their l...

NYU researchers simulate molecular biological clock

...life'sfunctions.The team developed a computational method to define the relationshipbetween microRNAs and their target genes. In December 2003, the samegroup identified 400 genes in the human genome targeted by microRNAs.(Prior to this study, there were no known microRNA targets in anyvertebrate.)In their l...

Gene therapy converts dead bone graft to new, living tissue

...d a harmless virus to carry these genes, devised a method of freeze-drying a paste containing the virus so i...r off in just hours. By contrast, the gene therapy method triggers the tissue surrounding the graft to produce the proteins continuously for up to three weeks...

Color-blind method opens new doors in DNA sequencing

A "color-blind" method of fluorescence detection developed by researchers...at can cause nucleotides to be miscalled. The new method developed at BCM and Rice, called pulsed multiline excitation, uses four lasers, each matched to a p...

Automatic extraction of gene/protein biological functions from biomedical text

...has been increasing. Results: We have developed a method for automatically extracting the biological proces...es. A preliminary experiment demonstrated that our method has an estimated recall of 54?4% with a precision of 91?4% for actually described functions in abstr...

New Clues Add 40,000 Years to Age of Human Species

...ons to moister climates long ago, yielding another method to understand climate history in that part of the world. “The correlation between the Kibish deposits and the Mediterranean sapropels not only helps us resolve an anthropological mystery, but it provides a whole new perspective on the history of th...

Gene variations explain drug dose required to control seizures

...igorous clinical study is required before any such method could be put into practice, the researchers emphasized. In the March 28, 2005, early edition of Proceedings of the National Academy of Sciences, the investigators report the first clear evidence linking variation in genes involved in the action or m...

Muscle-targeted gene therapy reverses rare muscular dystrophy in mice

..., the researchers reported that the liver-targeted method also corrected symptoms of Pompe disease in mice. "The muscle-targeted gene therapy method could circumvent the complications of neutralizing antibodies against introduced enzyme, which curre...

Weill Cornell Research Reveals Secrets Of Trafficking Within Cells

..." he said. Instead, they came up with a whole new method of inquiry. It combined two pre-existing technologies -- RNA interference (RNAi), where scientists cut down on protein expression by jamming the responsible gene with bits of RNA; and microscopy, which looks at the activity of individual living cells...

Scientists develop new color-coded test for protein folding

... provide biomedical researchers a fast, affordable method for detecting antibodies and other disease-related proteins. Acid and base In their experiment, Zare, postdoctoral fellow Soonwoo Chah and graduate student Matthew R. Hammond created a liquid solution containing nano-sized particles of gold saturate...

Open microfluidic and nanofluidic systems

...he contact angle in a controlled fashion. One such method is provided by electrowetting; alternative methods, which have recently been developed, are substrate surfaces covered by molecular monolayers that can be switched by light, temperature, or electric potential. The experiments described in the PNAS s...

Nanogen Issued Patent for Electronic Microarray With Memory

...and Trademark Office. The '048 patent relates to a method of addressing one or more electrodes (or "test sit... columns of a microarray. The patent also covers a method for storing the value of the voltage associated with each electrode in a local memory. This "smart c...

Scientists reveal molecular secrets of the malaria parasite

...entists in Leiden identified evidence ofan unusual method of gene regulation (called post transcriptionalregulation) at the transition between the vertebrate host and themosquito. That motif regulates proteins that are switched on as theparasite enters the mosquito.Hall's group identified the gene regulatio...

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