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Tag: "designs" at biology news

Breakthrough developments in rheumatoid arthritis reported

...roximately 6,000 normal volunteers. A company that designs new genetic testing technology, Illumina, Inc. will maintain the database and make it available to scientists. The data will not include personal identifiers but scientists will have information on age and ethnicity to best match their groups to stu...

pHLIP, a novel technology to locate and treat tumors

...umors, treatment of breast cancer, and alternative designs using the principles they have already established. ...

Study of protein folds offers insight into metabolic evolution

...tein architecture has preserved ancient structural designs as fossils of ancient biochemistries," the authors wrote. The team used data from two international compilations of genetic and proteomic information: the metabolic pathways database of the Kyoto Encyclopedia of Genes and Genomes, and the Structur...

Using nanomagnets to enhance medical imaging

...st variation in a larger region but have irregular designs and magnetic properties that are difficult to control. By comparison, molecular nanomagnets can be designed to have consistent properties and high contrast. In addition, they might be modified to act as "smart" materials whose contrast could be turne...

NASA predicts nongreen plants on other planets

... be in the infrared. "This work will help guide designs for future space telescopes that will study extrasolar planets, to see if they are habitable, and could have alien plants," said Victoria Meadows, an astronomer who heads the VPL. The VPL team is using a suite of computer models to simulate Earth-siz...

Ultrathin films deliver DNA as possible gene therapy tool

...ll the ingredients simultaneously. More recent designs erode like a bar of soap, with the effect that outer layers are released before inner layers. By placing one gene in the outer layers and another in the inner layers, they can deliver different products sequentially. "This kind of control is extr...

Mayo researchers discover HIV dependence on a human protein

...es will want to factor such potential potency into designs of screens for additional key cellular proteins that HIV either appropriates as partners, as in the case of p75, or schemes to evade. Quite a few more likely exist. The challenge is to use the right methods to find them." How HIV Infects Humans -- ...

Artificial cornea offers better results for infants, some blind patients

...at them. Among the efforts has been a series of designs for artificial corneas, which in adults are primarily for patients whose previous transplants using traditional tissue have failed, oftentimes because of rejection by the immune system. Dohlman's latest implant, the Boston Keratoprosthesis used in...

Squid-inspired design could mean better handling of underwater vehicles

...recise locations. Underwater craft with boxier designs are easier to dock and maneuver, but speed is sacrificed in the process. The vortex thrusters designed by CU-Boulder researchers offer speed with versatility and may enable researchers to explore previously inaccessible places. Currently, many desi...

Mayo Clinic: Gene expression profiling not quite perfected in predicting lung cancer prognosis

...teristics. Lay out and compare alternative study designs Carefully select samples in terms of size, quality and unambiguous clinical outcomes Understand the limitations of DNA microarray Provide clinically relevant interpretation from the study results and address the value added in practice ...

Origen publishes in Nature a robust and versatile method for creating transgenic chickens

...ken genome. As a result, we can now take transgene designs that work well in model systems and breed flocks of birds depositing therapeutic proteins in their eggs. The use of primordial germ cells, the ease of producing small or large flocks of chickens, and the existing infrastructure for rearing chickens a...

Researchers offer clues to how leaves patterns are formed

...pher the rules and regulations behind those varied designs and now new research published in part at the University of Alberta offers a big clue to how those patterns are formed. "For years people have been trying to understand this beautiful formation," said Dr. Enrico Scarpella, from the U of A's Departm...

Implantable pumps extend lives of patients too sick for transplant

...bly in small women. Rogers said that numerous pump designs are being tested that are smaller and lighter. Durability will also be an issue, he said, since replacing an LVAD entails just as substantial and involved a surgical procedure as the initial placement. Duke is currently participating in a number of ...

DNA self-assembly used to mass-produce patterned nanostructures

...its would have, Dwyer and colleagues have drawn up designs for computer chips. The researchers also may explore how their method of assembling tiles can be used create biological structures that could act as tiny sensors. ...

Virginia Tech football player uses prototype cast

...ents who may have developed even higher performing designs for the longer term than the commercial "off the shelf" solution. ...

Pollution-eating bacteria produce electricity

...s could prove useful in future microbial fuel cell designs where the device need not always be operational but must survive long periods of hazardous conditions before being used. "The generation of electricity is one of those things that we tend not to think about during our daily routines. When we do, tho...

Life detection instrument passes key test on road to Mars

... novel micro-valve systems and portable instrument designs pioneered in Mathies' lab to look for homochirality in amino acids. These microarrays with microfluidic channels are 100 to 1,000 times more sensitive for amino acid detection than the original life detection instrument flown on the Viking Landers in...

Disease diagnosis, biodefense among UH chemical research projects

...o several other authors, will focus on "Microarray designs for rapid microbial identification." This research is important because infectious diseases cause 26 percent of global mortality and are the third leading cause of death in the United States. Microbial identification also is important in food safety ...

Flocking together: Study shows how animal groups find their way

... has collaborated with roboticists at Princeton on designs for fleets of underwater vehicles. "Say you had a group of robots exploring a planet or the ocean, and each individual robot was moving around collecting information locally," he said. "By returning to the group and following the type of algorithm w...

Great White shark evolution debate involves WSU Lake Campus geology professor

...an electron microscope to view different serration designs of shark teeth. "Our analysis of their teeth shows that Great White and mako sharks have very similar tooth growth trajectories, while those of the great white and megladon are not similar. Analysis of both the root and entire tooth also shows a rem...

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