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K-State engineers create DNA sensors that could identify cancer using material only one atom thick

Kansas State University engineers think the possibilities are deep for a very thin material. Vikas Berry, assistant professor of chemical engineering, is leading research combining biological materials with graphene, a recently developed carbon material that is only a single atom thick. "The...

Remote-control closed system invented for inserting radio-active atoms inside fullerenes

...on-radioactive Lu to produce the trimetallic nitride endohedral metallofullerenes (Lu3N@C80) in other words, three atoms of Lu attached to a nitrogen atom inside an 80-atom carbon molecule cage. Once the apparatus is at VCU, Fatouros will use isotope 177Lu, which is used to treat cancer. Although other d...

Novel light-sensitive compounds show promise for cancer therapy

...site-specific and controlled way." Rose, who earned his Ph.D. this year, has been working on the project since 2004. He began by replacing the iron atom in a synthetic model of the enzyme with a different metal, ruthenium. "Iron complexes are good in nature because they are highly reactive, but if ...

Travis McCoy, Lead Vocalist & Songwriter of Alternative Hip Hop Band Gym Class Heroes, Travels to South Africa, Philippines and India as MTV International's 2009 Staying Alive Foundation Ambassador

... VH1, Nickelodeon, TMF (The Music Factory), VIVA, Flux, Paramount Comedy, Comedy Central, Game One, Neopets, GameTrailers, Shockwave, Addicting Games, atom Films and Xfire. MTV Networks' brands are seen globally in 578 million households, in 162 countries and 33 languages via 166 locally programmed and op...

Minor league hockey players unable to identify concussion symptoms, study says

...ings are part of a study by Dr. Cusimano that analyzed the concussion knowledge of 142 adults (coaches, trainers and parents) and 267 players from GTA atom (10-years-old), Bantam (14-years-old), AA (highly competitive) and house league divisions. The study is published in the May edition of the Canadian ...

What's in your water?: Disinfectants create toxic by-products

...urrently EPA uses," he said. Plewa said that the second discovery concerns nitrogen-containing DBPs. "Disinfectant by-products that have a nitrogen atom incorporated into the structure are far more toxic and genotoxic, and some even carcinogenic, than those DBPs that don't have nitrogen. And there are ...

On Staying Alive's 10th Anniversary, Gym Class Heroes Singer Travis McCoy Named 2009 Foundation Ambassador

... VH1, Nickelodeon, TMF (The Music Factory), VIVA, Flux, Paramount Comedy, Comedy Central, Game One, Neopets, GameTrailers, Shockwave, Addicting Games, atom Films and Xfire. MTV Networks' brands are seen globally in 561 million households in 162 countries and 33 languages via 170 locally programmed and ope...

Leeds researchers reshape the future of drug discovery

...les with structural features that are similar to those found in natural products: "For example we know that putting oxygen atoms on every other carbon atom is something that frequently occurs in nature and has evolved for a useful purpose" says Professor Nelson. "We're not aiming to improve on existing na...

MTV's Staying Alive Marks Ten Years of Empowering Young People in Their Fight against HIV and AIDS

... VH1, Nickelodeon, TMF (The Music Factory), VIVA, Flux, Paramount Comedy, Comedy Central, Game One, Neopets, GameTrailers, Shockwave, Addicting Games, atom Films and Xfire. MTV Networks' brands are seen globally in 561 million households in 162 countries and 33 languages via 170 locally programmed and ope...

Rubber Rocks Staying Alive Unveils Furry Ads to Promote Safe Sex

... VH1, Nickelodeon, TMF (The Music Factory), VIVA, Flux, Paramount Comedy, Comedy Central, Game One, Neopets, GameTrailers, Shockwave, Addicting Games, atom Films and Xfire. MTV Networks' brands are seen globally in 560 million households in 162 countries and 33 languages via more than 150 locally programm...

Boston Scientific Announces Drug-Eluting Stent Market Share Estimates for September and Third Quarter

... U.S. market share for the second quarter. TAXUS atom update The Company said it has introduced its TA... than 500 accounts in the United States. The TAXUS atom stent is the only 2.25 mm diameter drug-eluting st... positive reception among clinicians for the TAXUS atom stent. It said it believes the TAXUS...

The Scientific Business of Thomson Reuters Predicts Nobel Laureates

...ner University Professor of Natural Sciences, Department of Chemistry, Carnegie Mellon University, Pittsburgh, Pa., USA -- For his development of atom transfer radical polymerization (ATRP) and other methods of "living" polymerization. Roger Y. Tsien Professor of Pharmacology and Professor of...

Some Hiroshima Survivors at Thyroid Cancer Risk

...g the so-called BRAF gene. But Japanese researchers say that among Japanese atom bomb survivors, a different and relatively rare disease trigger -- involvin...finding is just the latest from a decades-long tracking of 120,000 Japanese atom bomb survivors. It comes on the heels of an analysis released this past spr...

Nano sculptures in gold

...hedron, a pyramid with a triangular base. With one atom fewer, the pyramid loses its tip. "Seven uncharged...he other hand, seven atoms form a hexagon with one atom in its centre. In uncharged form, there are three ...ds the desired product depends on where the oxygen atom attaches itself to the hydrocarbon. And that's whe...

Turned-off cannabinoid receptor turns on colorectal tumor growth

...erimentation showed that the gene that encodes the CB1 protein was not damaged, but shut down chemically by the attachment of methyl groups - a carbon atom surrounded by three hydrogen atoms - to the gene encoding CB1. Treating cell lines with decitabine, a demethylating agent approved for some types o...

Freedom Celebration - Gibson Guitar to Provide Instruments for the Wounded

...lternative rock group fronted by former Blink-182 and Box Car Racer guitarist/vocalist Tom DeLonge. The band includes guitarist David Kennedy, drummer atom Willard, and bassist Matt Wachter. Albums include We Don't Need to Whisper (2006) and I-Empire (2007). For more info - http://modlife.com/angels...

UCR chemists use 'green chemistry' to produce amines, chemical compounds used widely in industry

... online in Angewandte Chemie . A print version of the research paper will appear soon in the journal as well. The catalyst in question a gold atom linked to a cyclic alkyl amino carbene or CAAC is a ligand (a special molecule that binds to metals) that Bertrand's lab discovered in 2005. The ...

Certain Tests in ERs Raise Cancer Risk for Some

...r the five-year study period. By way of comparison, Bullard noted that 200 mSV was the average exposure level observed among Nagasaki and Hiroshima atom bomb survivors within a 2.5 kilometer-radius of each bomb epicenter. Ten percent of the study patients averaged half that amount -- or 100 mSV -- spre...

Fruit fly protein acts as decoy to capture tumor growth factors, find Penn researchers

...ame amino acid sequence or structural similarities. The structure of Argos was studied by X-ray crystallography, a technique that shows where each atom of the protein is located. Computer analysis is then used to put together all the data into a three-dimensional projection of the growth factor and it...

First atomic-level look at a protein that causes brain disease

...cules: solid-state nuclear magnetic resonance (NMR) spectroscopy. NMR works by tuning into the radio waves emitted by atoms within materials. Every atom emits radio waves at a particular frequency, depending on the types of atoms that surround it. The NMR technique the chemists used, called magic an...

University of Pittsburgh researchers crack code of 3-D structure in key metabolic protein

...athematical approaches, the atomic matter in the crystals responsible for the diffraction. Ultimately, the unique 3-D topology of GlpD was deciphered, atom by atom. The main role of GlpD in the cell is to remove hydrogen from a form of glycerol called glycerol-3-phosphate (G3P) to generate dihydroxyace...

Annual meeting of the National Academy of Sciences

...he newly released personal letters of Albert Einstein, the biography explores how an imaginative, impertinent patent clerk became the locksmith of the atom and the universe. A book signing will follow the lecture. APRIL 27, 2 P.M. TO 3 P.M. Awards Ceremony Recipients of NAS awards bestowed in 200...

Mechanism of blood clot elasticity revealed in high definition

..." The Illinois team used a computational approach to tackle the mystery. Using steered molecular dynamics (SMD), they modeled the behavior of every atom of the fibrinogen molecule as it was stretched. The computation involved more than a million atoms, and required six months to complete. The resul...

By color-coding atoms, new Cornell electron microscope promises big advance in materials analysis

...roscope takes color pictures -- where each colored atom represents a uniquely identified chemical species.... beam of electrons on a spot smaller than a single atom -- more sharply and with greater intensity than pr...tiple images -- one for every different species of atom in the sample, and these can be color-coded, each ...

Penn researchers discover new target for preventing and treating flu

...rystallized protein using a technique called x-ray crystallography. The pure protein crystal was bombarded with x-rays so that the position of each atom in relation to its neighboring atoms in the crystal would show up as an array of black spots. From the pattern of thousands of spots, the structure of...

Feds fund study of drug that may prevent radiation injury

...a post-exposure delivery, and they don't want to waste any time." Ionizing radiation is any form of radioactive particle or energy that converts an atom or molecule into an ion by altering the balance between the number of protons and electrons. In living organisms, ionization often results in the crea...

New T-ray Source Could Improve Airport Security, Cancer Detection

...we've been able to make a simple, compact solid-state source." Unlike far more energetic X-rays, T-rays do not have sufficient energy to "ionize" an atom by knocking loose one of its electrons. This ionization causes the cellular damage that can lead to radiation sickness or cancer. Since T-rays are non...

Simple Chemical Reaction may Help Early Disease Diagnosis

...bolites and forms a tag that can be seen through nuclear magnetic resonance. The tag actually is an easily identifiable isotope, in this case a carbon atom that is heavier than the standard carbon atom. Because we can easily detect this isotope, it causes these tagged metabolites to effectively pop out ag...

Researchers Devise New Compound to Treat Fungal Infections

...pound that has the potential to treat common chronic nail infections caused by fungi," Alley said. The mechanism crucially depended on a boron atom that is part of AN2690, which is needed to link the compound to the tRNA. "We are now working towards finding related antibacterial compounds ...

Scientists in Britain Create Artificial Blood

...itute, easier to store and could be a huge advantage in war zones. The new artificial blood is made up of plastic molecules that have an iron atom at their core, like haemoglobin, that can carry oxygen through the body. The researchers say they were looking for extra funding to develop a ...

Circadian Clocks Triggered Chemical Reactions may Be Behind Jet Lag

...ausing a cascade of events affecting the expression of genes, such as turning carotenoid production on and off. When they substituted a single atom (sulphur for oxygen) on the surface of the vivid protein, the chain of events shut down, preventing the structural changes on the protein's surface, a...

Elusive Step In DNA Mutation Uncovered By Researchers

...etely understood. A free radical, a stable neutral atom or a chemical group containing at least one unpair...ectron, its positive charge promotes the C8 carbon atom of the guanine to bond with a water molecule. In a concerted motion, the oxygen atom of the water molecule with one of its hydrogen ato...

Nanotechnologists Specify Limitation For Devising Small Machines

...t confirms the idea that the wave of a fast-moving atom shortens and lengthens depending on its distance f...ll as a few tens of billionths of a metre, and for atom optics, where the goal is to use the wave nature o...y (25 billionths of a metre) causes a shift in the atom wave crests," Perreault said. "It shows that ...

Scientists Consider About New Technology Called Nanotechnology

...anies are now willing to invest millions and millions of dollars for developing the same. All the matter in the universe is made up of atoms. An atom so small than even what you can imagine, is arranged in different forms to account for the variability in the various forms of matter. For example, ch...

Human Diseases May Have Clue In Human-Chimp Genome Difference

... discovery of the first human-specific protein that is also expressed in brain cells associated with human brain diseases; the second, a single oxygen atom difference that makes humans and chimpanzees resistant to each other’s malarial parasites. This research provides examples of how studying the ev...

The Benefits of Strontium in the treatment for Osteoporosis Questioned

...to bone is excreted through the kidneys and feces. After three years' treatment with strontium ranelate, bone tissue will contain around one strontium atom for every 100 calcium atoms. No human studies have yet reported how quickly bone strontium is washed out once treatment is stopped. An impressive...

Stay young the Chinese way

... a powerful anti-oxidation substance in grape-stones, which cannot be produced by the human body.// Oxidation is a chemical reaction in which an atom loses its electron, and this change, if it happens in the human body, results in aging of human cells and tissue. The world medical community found in...
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