Tag: "carbon" at medical news
Repetitive motion speeds nanoparticle uptake
...erical, soccer-ball-shaped molecules containing 60 carbon
atoms. The buckyballs used in the study were part of an innovative molecule called Bucky amino acid, or Baa, that was created in the lab of Rice chemist Andrew Barron. Baa is a marriage of buckyballs and phenylalanine, one of the 20 essential amino a...
BC physicists transmit visible light through miniature cable
...sicists developed what they called a "nanocoax" a carbon
nanotube-based coaxial cable with a diameter of about 300 nanometers. By comparison, the human hair is several hundred times wider. The physicists designed their nanocoax so that the center wire protruded at one end, forming a light antenna. The oth...
Nano world off the radar for most
Sunscreens contain nano particles, carbon
and titania nanotubes show promise and nano struct...smaller for cosmetics or reinforcing plastics with carbon
nanofibers is not breakthrough science, although these advances are turning out to be lucrative. Bu...
Scientists create dual-modality microbeads to improve identification of disease biomarkers
...he. The surface of the beads contains a long-chain carbon
molecule that makes the beads hydrophobic, meaning they repel water. The beads are dissolved in butanol and washed several times. Then the beads are counted and optical and magnetic nanocrystals are added to the suspension either simultaneously or se...
Over 50s have the highest carbon footprint in the UK
Over 50s have the highest carbon
footprint, yet are most concerned over climate cha...ort, Greening the Greys, the first analysis of the carbon
footprint of the over 50s and their attitudes to climate change. The report reveals that baby boo...
Americans believe global warming is real, want action, but not as a priority
...s and international treaties, they strongly oppose carbon
taxes on energy sources that put carbon
dioxide into the atmosphere. These results were reported by Anthony Leiserowitz, a courtesy profes...
Batten down the hatches against HIV
...gjie Dai at Stanford University have chosen to use carbon
nanotubes as their "means of transport". This has ...his co-workers have tested a new transport system: carbon
nanotubes are known for their abilities to be absorbed by cells and to smuggle other molecules in at...
First greenhouse gas animations produced using Envisat SCIAMACHY data
...stribution of the most important greenhouse gases carbon
dioxide and methane that contribute to global war...MACHY observations from 2003 to 2005. Although carbon
dioxide is the most important greenhouse gas, methane molecules trap heat with an efficiency that is...
Synthetic production of potential pharmaceuticals dramatically simplified by Scripps research team
...of chemical reactions that maximize the bonding of carbon
atoms between different molecules. In many cases, the products were synthesized in gram quantities in less than 10 steps, as compared to traditional syntheses using protecting groups that have taken as many as 30 steps to produce milligrams of produc...
NIST's stretching exercises shed new light on nanotubes
Stretching a carbon
nanotube composite like taffy, researchers at the ...me of the first measurements* of how single-walled carbon
nanotubes (SWNTs) both scatter and absorb polarized light, a key optical and electronic property. ...
CO2 storage in coal can be predicted better
...the 'underground highways' along which gasses like carbon
dioxide (CO2) and methane (CH4) will move. Moreove...coal was found to be highly suitable for filtering carbon
dioxide out of waste gasses and storing it. The Enhanced Coalbed Methane process kills two birds ...
...scientists investigated how the replacement of one carbon
atom with a silicon atom affects the scent of lily-of-the-valley fragrance components lilial and bourgeonal, and whether this subtle alteration, which has minimal influence on the molecular shape, can also be predicted quantitatively. The human nose ...
Rush University Simulation Laboratory honored for innovation
...nce training, such as blinking eyes, exhalation of carbon
dioxide, chest movements, crying, coughing, palpable pulses, and much more." Thanks to a grant from the Chicago Community Trust, the facilities have recently been renovated and expanded into a structure that can be converted into an operating room,...
UN engages banks to light up rural India; Solar loans, energy access transform life for poor
... litres of kerosene, producing more than 250 kg of carbon
dioxide per year. Kerosene emits several other harmful gases while burning, and due to its low efficiency contains large amount of unburned hydrocarbons and soot. And since a majority of homes in rural India are poorly ventilated, it poses a healt...
'Wrapping' Gleevec fights drug-resistant cancer
...o imatinib, save for the addition of four atoms a carbon
and three hydrogens at a key point. Though the change appears to be minimal at first glance, finding a method to synthesize the compound was complex and challenging, Fernandez said. The task fell on Bornmann, a director of the Center for Targeted Th...
TWAS, illycaff announce Trieste Science Prize winners 2007
...a stimulus. He and his group have also synthesized carbon
compounds that may have potential applications in nanotechnology devices. Beyond the laboratory, Mehta has made significant contributions to science education and science policy in India and abroad. He is currently president of the International Co...
Transcontinental wildfire emissions monitored from space
...llite Envisat, scientists have determined that the carbon
monoxide hovering over Australia during the wildfi...tute (KNMI) witnessed large quantities of released carbon
monoxide (CO) above the southern continents. They also saw increased concentrations of carbon
'Lite' low tar cigarettes impair blood flow as much as regular cigarettes
...ne cigarettes (8 mg tar, 0.6 mg nicotine, and 9 mg carbon
monoxide) for at least three years. Twenty oth...same period (12 mg tar, 0.9 mg nicotine, and 12 mg carbon
monoxide), and the remainder were non-smokers. Cigarette smoking is responsible for a fifth of all...
Food and drink, and what it says about us
...t can also be used to date archaeological sites by carbon
remains, pottery fragments and associated architecture. It indicates social behaviours such as feasting and religious acts such as sacrifice, and provides important evidence for how the consumption of food was an integral part of cultural and individ...
Smokeless cannabis delivery device efficient and less toxic
...THC were measured along with the exhaled levels of carbon
monoxide, or CO. A toxic gas, CO served as a marker for the many other combustion-generated toxins inhaled when smoking. The plasma concentrations of THC were comparable at all strengths of cannabis between smoking and vaporization. Smoking increas...
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