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News articles about "Molecule"

Weak chemical forces combined to strengthen novel imaging technology

When Associate Professor of Chemical and Biomolecular Engineering Hyunjoon Kong graduate student Cartney Smith and colleagues set out to improve MR imaging MRI they turned current contrast agent technology on its head or rather they ... - Read More

Scientists investigate the role of the 'silent killer' inside deep-diving animals

With its imperceptible features carbon monoxide is widely known as the silent killer due to its risks at lethal concentrations Far less known is that carbon monoxide is produced naturally in small quantities in humans ... - Read More

Emissions from forests influence very first stage of cloud formation

Clouds play a critical role in Earth's climate Clouds also are the largest source of uncertainty in present climate models according to the latest report of the Intergovernmental Panel on Climate Change Much of the ... - Read More

Biochemists Reduce Sickling and Progression of Sickle Cell Disease in Mice

Released 5 16 2014 6 00 PM EDTSource Newsroom University of Texas Health Science Center at Houston more news from this source Contact Information Available for logged in reporters only Citations Journal of Clinical InvestigationMay ... - Read More

Graphene and painkiller receptor combined into scalable chemical sensor

Almost every biological process involves sensing the presence of a certain chemical Finely tuned over millions of years of evolution the body's different receptors are shaped to accept certain target chemicals When they bind the ... - Read More

Sneaking drugs into cancer cells before triggering release

Biomedical engineering researchers have developed an anti cancer drug delivery method that essentially smuggles the drug into a cancer cell before triggering its release The method can be likened to keeping a cancer killing bomb ... - Read More

Broadening the scope for synthesizing optically active compounds

Chiral compounds are increasingly important in chemical manufacturing They are distinguished by a special kind of asymmetry in their molecular structure Yutaka Ukaji and colleagues at Kanazawa University have now developed a method for desymmetrising ... - Read More

Exploring the magnetism of a single atom

Magnetic devices like hard drives magnetic random access memories MRAMs molecular magnets and quantum computers depend on the manipulation of magnetic properties In an atom magnetism arises from the spin and orbital momentum of its ... - Read More

Light waves allow preferred bond breaking in symmetric molecules

Chemical bonds between carbon and hydrogen atoms are amongst the strongest in nature and their selective breaking in particular in symmetric molecules is of interest to chemical synthesis and the development of new biologically active ... - Read More

Fluorescent sensor developed for detecting nitric oxide, a molecule related to many diseases

The detection of certain chemical compounds in our body is essential to prevent many diseases and set out their treatment Thus making advances in the development of compounds that can be easily detected is key ... - Read More

Taking the lead out of a promising solar cell: Environmentally friendly solar cell pushes forward the 'next big thing in photovoltaics'

Northwestern University researchers are the first to develop a new solar cell with good efficiency that uses tin instead of lead perovskite as the harvester of light The low cost environmentally friendly solar cell can ... - Read More

Breaking up water: Controlling molecular vibrations to produce hydrogen

Natural gas methane can be converted into hydrogen H2 which is used in clean energy synthetic fertilizers and many other chemicals The reaction requires water and a nickel catalyst Methane and water molecules attach on ... - Read More

Nanoelectronics: Edgy look at 2-D molybdenum disulfide

The drive to develop ultrasmall and ultrafast electronic devices using a single atomic layer of semiconductors such as transition metal dichalcogenides has received a significant boost Researchers with the U S Department of Energy DOE ... - Read More

Accelerator for molecular machines discovered

How hard can it be to make a wheel rotate in a machine Very hard actually when the wheel sits in one of those nano small molecular machines that are predicted to be running our ... - Read More

Next green revolution? Converting bacteria from free living to nitrogen-fixing

If you pull up a soybean or bean plant and shake off the dirt you might see odd swellings or bumps like rheumatic finger joints on its roots Inside the cool soil covered bumps are ... - Read More

Label-free, sequence-specific, inexpensive fluorescent DNA sensors

Using principles of energy transfer more commonly applied to designing solar cells scientists at the U S Department of Energy's Brookhaven National Laboratory have developed a new highly sensitive way to detect specific sequences of ... - Read More

Checking up on crude oil in the ground: Nanoreporters tell 'sour' oil from 'sweet'

Scientists at Rice University have created a nanoscale detector that checks for and reports on the presence of hydrogen sulfide in crude oil and natural gas while they're still in the ground The nanoreporter is ... - Read More

Steering chemical reactions with laser pulses

Usually chemical reactions just take their course much like a ball rolling downhill However it is also possible to deliberately control chemical reactions at the Vienna University of Technology molecules are hit with femtosecond laser ... - Read More

Halving hydrogen: First view of nature-inspired catalyst after ripping hydrogen apart provides insights for better fuel cells

Like a hungry diner ripping open a dinner roll a fuel cell catalyst that converts hydrogen into electricity must tear open a hydrogen molecule Now researchers have captured a view of such a catalyst holding ... - Read More

Halving Hydrogen

Released 4 23 2014 1 00 PM EDTSource Newsroom Pacific Northwest National Laboratory more news from this source Contact Information Available for logged in reporters only Citations Angewandte Chemie International EditionApr 24 2014 RICHLAND Wash ... - Read More
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