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atom in Medical News

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 ... than 500 accounts in the United States. The TAXUS atom stent is the only 2.25 mm diameter drug-eluting ... positive reception among clinicians for the TAXUS atom stent. It said it believes the ...

Nano sculptures in gold

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

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

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

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

... with graphene, a recently developed carbon material that is only a single atom thick. "The biological interfacing of graphene is taking this material ... atomic force microscope to help them observe and manipulate these single atom thick carbon sheets. "It's a fascinating material to work with," Berry ...

Some Hiroshima Survivors at Thyroid Cancer Risk

... the so-called BRAF gene. But Japanese researchers say that among Japanese atom bomb survivors, a different and relatively rare disease trigger -- ... 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 ...

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

... 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 ...

Novel light-sensitive compounds show promise for cancer therapy

... 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 ...

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

... 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

... 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 ...

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atom in Medical Technology

Boston Scientific Submits Final Modules to FDA for Approval of Second-Generation Small Vessel and Long Lesion Stents

... Stent System. If approved, the TAXUS Liberte atom Stent will become the Company's second 2.25 mm ... It will then likely succeed the TAXUS Express(TM) atom Stent, which is the Company's first approved ... to compare the performance of the TAXUS Liberte atom and TAXUS Liberte Long Stents with Boston ...

MTV and SpinVox Partner to Launch First Ever Integrated Voice Powered Cause-Related Social Networking Campaign 'Stand By What You Say'

... 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 ...

Anacor Identifies a Novel Mechanism for Its Lead Anti-Fungal Drug, AN2690; Findings Published in Science

... stopping the infection. Researchers found that replacing the boron atom in AN2690 with a carbon atom inactivated the drug, underscoring the importance of the boron chemistry. ...
atom in Medical Dictionary

ACTH

... are coupled by a peptide bond, a special linkage in which the nitrogen atom of one amino acid binds to the carboxyl carbon atom of another. Many peptides, such as the hormone s vasopressin and ACTH , ....
atom in Biological News

Super atoms turn the periodic table upside down

... have developed a technique for generating atom clusters made from silver and other metals. ... they comprised electrons that revolved around the atom cluster as a whole. These so-called outer layers ... new properties.' Schmidt-Ott hopes to find atom clusters with new unique magnetic, optical or ...

Addressing the 'nitrogen cascade'

... troublesome aspect of nitrogen is that a single atom released to the environment can cause a cascading ... to our very health," Galloway said. A nitrogen atom that starts out as part of a smog-forming ... Carried out to the coast, the same nitrogen atom may contribute to red tides and dead zones. ...

Ceramic, heal thyself

... the seat." Next, the scientists simulated an atom undergoing alpha decay. An alpha particle shoots ... nucleus with such force that the remainder of the atom recoils in the opposite direction. The recoiling atom can cause significant damage to surrounding ...

Dancing 'adatoms' help chemists understand how water molecules split

... that come to rest on the surface as bright spots. One such visible atom is a single oxygen atom that comes to rest on a titanium atom, called an "adatom". Chemists can ...

American Chemical Society's Weekly PressPac

... consisting of parallel graphene sheets layers of carbon just one atom thick stabilized by vertical columns of CNTs. They also added lithium ions ... "By precisely controlling the tip current and distance, we make two atom pairs behave like the flippers on an atomic-sized pinball machine," they ...

American Chemical Society's Weekly PressPac -- Aug. 6, 2008

... the world's thinnest balloon, made of a single layer of graphite just one atom thick. This so-called graphene sealed microchamber is impermeable to even ... limit: A chemically stable and electrically conducting membrane just one atom thick. The researchers wanted to answer whether such an atomic membrane ...

Fair trade

... and its reaction partner dichloromethane (CH2Cl2) to exchange one chlorine atom for a hydrogen atom, forming nearly 100 % of the desired CHCl3. In ... which is in turn weakly adsorbed to the catalyst surface. This hydrogen atom can be taken up by CCl4, which in turn leaves one of its chlorine atoms ...

Spin control: New technique sorts nanotubes by length

... carbon nanotubes (SWCNTs) are essentially sheets of carbon atoms only one atom thick that have rolled themselves into tubes with a diameter of ... separate nanotubes by chirality (a measure of the twist in the carbon atom sheet) by spinning them in a dense fluid in an ultracentrifuge tube ...

Winners of 2008 Tyler Environmental Prize announced

... image to describe the sequential impacts of reactive nitrogen. A nitrogen atom that starts out as part of a smog-forming compound may then be deposited ... and forests as nitric acid. Carried out to the coast, the same nitrogen atom may contribute to red tides and dead zones. Finally, the nitrogen may be ...

Silicon with afterburners: Process developed at Rice could be boon to electronics manufacturer

... silicon as a way of tuning microscopic circuits to a particular need, and it's been effective so far even in concentrations as small as one atom of boron, arsenic or phosphorus per 100 million of silicon. But as manufacturers pack more transistors onto integrated circuits by making the ...

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atom in Biological Technology

Angiotech Pharmaceuticals announces FDA approval of next-generation TAXUS(R) Liberte(R) Atom(TM) Stent system

... to begin a full U.S. launch of TAXUS Liberte atom next month. "The rapid adoption of the TAXUS Express atom Stent has confirmed the need for this type of ... Takoma Park, Maryland. "The TAXUS Liberte atom Stent provides clear design and deliverability ...

FDA Approves Boston Scientific's Next-Generation TAXUS(R) Liberte(R) Atom(TM) Stent System

... to begin a full U.S. launch of TAXUS Liberte atom next month. "The rapid adoption of the TAXUS Express atom Stent has confirmed the need for this type of ... Takoma Park, Maryland. "The TAXUS Liberte atom Stent provides clear design and deliverability ...

Angiotech Pharmaceuticals, Inc. announces financial results for the first quarter ended March 31, 2009

... ("the FDA"). If approved, the TAXUS Liberte atom Stent will become BSC's second 2.25 millimeter ... It will then likely succeed the TAXUS Express(TM) atom Stent, which is BSC's first approved small stent ... to compare the performance of the TAXUS Liberte atom and TAXUS Liberte Long Stents with BSC's ...

Nanophysicists find unexpected magnetic effect

... behavior of electrical contacts that are just one atom wide. In new research appearing this week in ... electronic gadgets. "We've found that the last atom in the line, the one out there on the very end, ... nanotechnology. "The fact that this atom is all by itself at the surface is what makes it ...

Researchers peer into nanowires to measure dopant properties

... during synthesis. Now, using a technique called atom probe tomography, Lincoln Lauhon, assistant ... the research at Northwestern's Center for atom Probe Tomography, which uses a Local Electrode atom ProbeTM microscope to dissect single nanowires ...

Smallest ever quantum dots bring real world applications closer

... Single atom quantum dots created by researchers at Canada's ... devices within reach. Composed of a single atom of silicon and measuring less than one nanometre ... used today's computers, we expect these single atom quantum dots will transform theoretical plans ...

Eurotech Catalyst Module Awarded to Allen Organ Company From Arrow Electronics

... from Arrow Electronics. Eurotech delivers Intel atom -based single board computers and modular systems ... to examining the capabilities of the Intel atom processor using the Eurotech system." "The ... role in our value chain as we bring Intel atom systems to market." Allen Organ Company won ...

Boston Scientific Announces FDA Approval of TAXUS(R) Express2(TM) Atom(TM) Stent System, First Drug-Eluting Stent For Small Vessels

... Coronary Stent System. The TAXUS Express atom Stent is a highly deliverable drug-eluting stent ... in bare-metal stents. "The TAXUS Express atom Stent will provide better options for ... In the TAXUS V clinical trial, the TAXUS Express atom Stent significantly reduced the chance of ...

CU scientists create world's thinnest balloon -- just one atom thick

... created a balloonlike membrane that is just one atom thick -- but strong enough to contain gases under ... Graphene, a form of carbon atoms in a plane one atom thick, is the strongest material in the world, ... -- or as a way to measure the properties of an atom by observing its effect on the membrane. ...

Carbon molecule with a charge could be tomorrow's semiconductor

... He replaced one of the 80 atoms of carbon with an atom of nitrogen (providing Y2@C79N). This change leaves the nitrogen atom with an extra electron. Dorn discovered that the extra electron, instead of being on the nitrogen atom on the fullerene cage surface, ducks inside ...

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atom in Biological Products

Amino acid mixture excluding l-[U-14C]methionine from GE Healthcare, formerly Amersham Biosciences

Description:... 50 uCi. Aqueous solution containing 2% ethanol, sterilized. > 1.85 GBq/mg atom carbon, > 50 mCi/mg atom carbon. Mixture of Ala, Arg, Asp, Glu, Gly, His, Ile, Leu, Lys, Phe, Pro, ...
Company:GE Healthcare, formerly Amersham Biosciences

Antisense oligonucleotides from Thermo Scientific

Description:... Phosphothioate (PTO) oligonucleotides: PTOs are internucleotide modifications, where one oxygen atom in the phosphate backbone is replaced by a sulphur atom. This modification stabilises the oligonucleotide against nuclease degradation. PTOs are ...
Company:Thermo Scientific
atom in Biological Definition

Amine

... compounds containing nitrogen as the key atom in the amine functional group. Amines have ... groups where the nitrogen is bonded to a carbon atom in the group (groups symbolized by R below). ... of conjugate acid K a values). The nitrogen atom has a lone electron pair available which can ...

Carbohydrate

... ribose an aldopentose . Further, each carbon atom that supports a hydroxyl group (except for the ... react with a hydroxyl group on a different carbon atom to form a hemiacetal or hemiketal , in which ... the two sugars results in the loss of a hydrogen atom (H) from one molecule and a hydroxyl group (OH) ...

Cellular respiration

... chain. In this process, an electron is transferred from an energy-rich atom (such as a carbon atom in an organic molecule) to an oxygen atom, via an electron transport ....

Glucose

... aldehyde (contains a -CHO group). Five of the carbons plus an oxygen atom form a loop called a "pyranose ring", the most stable form for six-carbon ... groups with the exception of the fifth atom, which links to a 6th carbon atom outside the ring, forming a CH 2 OH group. This ring structure exists in ...

Nucleon

... chemistry to refer to a neutron or a proton , the components of an atom 's nucleus . The total number of nucleons in an atom is the mass number on the atom, as nucleons each have a mass very close ...

Peptide bond

... The C-N bond has a partial double bond character (with the Nitrogen atom attaining a partial positive charge and the oxygen atom a partial negative charge) and the molecule can normally not rotate around ...

Alcohol

... or reactive metals such as sodium . The salts that result are called alkoxides , with the general formula R O - M + . Meanwhile the oxygen atom has lone pairs of nonbonded electrons that render it weakly basic in the presence of strong acids such as sulfuric acid . For example, with ...

Microscope

... is, contrary to widespread claims, certainly not the inventor of the microscope. Other types of microscopes See also microscopy atom probe Atomic force microscope Electron microscope Field ion microscope Field emission microscope Phase contrast microscope , see ...

Nicotinamide adenine dinucleotide

... ion) are transferred from the metabolite. Two electrons are transferred to the positively charged nitrogen, and one hydrogen attaches to the carbon atom opposite to the nitrogen. The human body synthesises NAD from the vitamin niacin in the form of nicotinic acid or nicotinamide. ...

Nicotinamide adenine dinucleotide

... ion) are transferred from the metabolite. Two electrons are transferred to the positively charged nitrogen, and one hydrogen attaches to the carbon atom opposite to the nitrogen. The human body synthesises NAD from the vitamin niacin in the form of nicotinic acid or nicotinamide. ...

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atom in Biological Dictionary

Oxidation

... an indicator of the degree of oxidation of an atom in a chemical compound. The formal oxidation state is the hypothetical charge that an atom would have if all bonds to atoms of different ... occurs when the oxidation number of an atom decreases. ... Britannica online encyclopedia ...

Hydroxyl radical

... describes a molecule consisting of an oxygen atom and a hydrogen atom joined by a covalent bond. The neutral form is ... for a molecule consisting of an oxygen atom and a hydrogen ...

Hydrogen bond

... is the attractive interaction of a hydrogen atom with an electronegative atom, like nitrogen, ... bond n. A chemical bond in which a hydrogen atom of one molecule is attracted to an ... the attractive force between one electronegative atom and a ... to hydrogen ). Discussion. Ask a ...

Atom

... The atom is a basic unit of matter consisting of a dense, ... protons and electrically ... Intel atom is the brand name for a line of x86 and x86-64 ... is made primarily of atoms of carbon. ... atom is a way to read and write information on the ...

Protons

... on how to calculate the number of protons , electrons and neutrons in an atom of any element. ... Adding or removing protons from the nucleus of an ... are shown in red and ... The positive charge of the nucleus of any atom is due to its protons . ... Protons are frequently used in a particle ...

Molecule

... or more atoms held together ... In a molecule of methane, each hydrogen atom forms a covalent bond with ... Information about molecule in the ... a chemical element or compound that has ... Molecules are made up of atom s that are held together by chemical bonds. ... numAtoms(): Returns ...

Elements

... A chemical element is a pure chemical substance consisting of one type of atom distinguished by its atomic number, which is the number of protons in ... kinds of substances that constitute all matter at and above the level of atom s (the smallest units of The five Buddhist elements were ...

Uracil

... family. ... uracil , U a nitrogen-containing base found in RNA (but not in DNA) and derived from pyrimidine; pairs with ... the carbon atom of uracil is not fulfilling its ... Uracil - Definition of Uracil at Dictionary.com a free online dictionary with ... Uracil is therefore ...

RNA

... fulfills several important ... RNA is very similar to DNA, but differs in a few important structural details. ... RNA has a 2' oxygen atom that is not present in DNA. ... As DNA changes into RNA an OH group is added and TTP switches out with UTP. ... Animated Science, Health, ...

Primer extension

... Primer Extension Works. First we have transcription which usually occurs ... Once this primer extension reaction is complete, we can ... atom Sciences, Inc., Specific Diagnostic for Members of Genus Mycobacterium. ... Polymerase-driven primer extension across this span of DNA sequence ...

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