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Tag: "created" at biology news

Buckyballs used as 'passkey' into cancer cells

...ontain a molecule called Bucky amino acid that was created in Barron's lab. Bucky amino acid, or Baa, is based on pheylalanine, one of the 20 essential amino acids that are strung together like beads on a necklace to build all proteins. Barron's graduate student, Jianzhong Yang, developed several differen...

Mosquito genes explain response to climate change

... to birds and mammals." The chromosomal map was created using mosquitoes that had developed in precisely c...rom the tropics to the polar regions. The newly created map contains 900 million DNA base pairs. There are three billion base pairs in humans. As various ge...

Using dental X-rays to detect osteoporosis

...n the Academic Center for Dentistry Amsterdam have created a unique way of identifying patients at risk of osteoporosis by using ordinary dental x-rays. Professor Paul F. van der Stelt and his team developed the largely automated approach to detecting the disease during a three-year, EU-funded collaboration ...

Speeding 'fingertip' discovery -- 20 years of protein info in 1 place

...phorylation events to lists compiled by others and created a publicly available database on the Web - PhosphoMotif Finder [ http://www.hprd.org/PhosphoMotif_finder ] - to help speed the work of researchers around the world. “Finding so many at one time is a huge advance,?says Akhilesh Pandey, M.D., Ph....

Making mice with enhanced color vision

...tors. At some point in the past, random mutations created a variant of one receptor gene, located on the X chromosome, producing two different receptor types. Present-day New World (South American) monkeys still use this system, which means that in these monkeys only certain females can acquire trichromati...

Natural polyester makes new sutures stronger, safer

...tendons and ligaments. Developed using a method created at MIT, the absorbable sutures are the first made from material produced by genetically modified bacteria. About 20 years ago, researchers in the laboratory of MIT biology professor Anthony Sinskey started swapping genes between different bacteria...

Ultrasound upgrade produces images that work like 3-D movies

...iewed with the special glasses. The researchers created an updated version of the image-viewing software found on clinical ultrasound scanners, making it possible to achieve a stereo display with no additional hardware. "To our knowledge, this is the first time it's been made possible to display real-t...

MicroRNA helps prevent tumors

...ld result in tumor formation. To find out, Mayr created a series of Hmga2 in which various numbers of let-7 sites were destroyed. She found clear evidence that when exposed to let-7, the fewer sites that were intact, the more protein was produced. Next, she tested whether disrupting let-7's ability to...

Ultrathin films deliver DNA as possible gene therapy tool

...is problem. David M. Lynn and his colleagues have created ultrathin, nanoscale films composed of DNA and water-soluble polymers that allow controlled release of DNA from surfaces. When used to coat implantable medical devices, the films offer a novel way to route useful genes to exactly where they could do...

A revolution in the monitoring of unborn babies

...rom the mother’s signal. The team has successfully created a state-of-the-art device which can gauge both heart rates as well as fetal position. This unique home monitoring device could lead to a new approach in the management of pregnancy. Dr Margaret Ramsay says it will play a key role in monitoring hi...

Manual dishwashing study digs up dirt on dish cleanliness

...insing, and sanitizing." But all dishes are not created equal. Compared to ceramic plates, steel knives, spoons, and plastic trays, steel forks seemed to be the best home for bacterial contaminants. "The prongs of forks actually shield food from the action of scrubbing," Pascall said. "Taking extra tim...

Cancer scientists create 'human' leukemia process to map how disease begins, progresses

...the disease already exists or by studying leukemia created in mouse cells. This study flipped it around to fo...rogenitor cells. The leukemic stem cells that were created seemed to change as the human leukemia was grown for longer times in a series of transplanted mice. ...

Creating new life forms that may help eradicate cancer affecting women

... vaccines are comprised of new strains of bacteria created in Advaxis' laboratory that are programmed to kill...ncers. As Dr. Shababi explains: "We not only created a new breast cancer vaccine, but also have a new life form, since the modified Listeria becomes a ne...

Drug treatment improves learning in mice with Down syndrome symptoms, Stanford/Packard study shows

...th Down syndrome might be treated." The center was created by researchers at Stanford and Packard Children’s in 2003 to rapidly translate research discoveries into useful treatments for people with Down syndrome. The research, which will be published Feb. 25 in the advance online edition of Nature Neurosc...

MIT's ocean model precisely mimics microbes' life cycles

Scientists at MIT have created an ocean model so realistic that the virtual forests of diverse microscopic plants they "sowed" have grown in population patterns that precisely mimic their real-world counterparts. This model of the ocean is the first to reflect the vast diversity ...

Virtual duck bills demonstrate species coexistence

...cting larger particles." To test his idea, Gurd created virtual bills using computer software typically used by engineers to design complex machinery. "The software allowed me to create exact, three-dimensional replicas of duck bills complete with articulating joints" said Gurd. "The replicas allowed me t...

Researcher examines polymers created with poultry feathers

Biodegradable polymers created from poultry feathers may add value to the poultry...ts. He is investigating the properties of polymers created from poultry feather keratin. The protein, keratin, is a major component of hair, nails, and feather...

'Exercise pill' switches on gene that tells cells to burn fat

...sis. But the genetic metabolic engineering that created the marathon mouse is permanent, turned on before birth. While a dramatic proof of concept that metabolic engineering is a potentially viable approach, it offers no help to an adult whose muscles are already formed and who now would benefit greatly ...

New approach could lower antibiotic requirements by 50 times

... overuse of antibiotics since the 1940s had slowly created a host of infections that are resistant to antibiotics. MRSA (Methicillin-resistant Staphylococcus aureus) for example is rapidly spreading through hospitals, affecting more than 8,000 people in the UK every year. MRSA infection can lead to septic sh...

Virginia Tech's System X supercomputer provides super tool for simulation of cell division

...iences. The Virginia Tech computer science team created massively parallel versions of a deterministic global search algorithm, DIRECT, and a deterministic local search algorithm, MADS, to do the twiddling, and then combined the results. "A deterministic global search algorithm systematically explores the...

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