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News articles about "molecules"

Nanoscope to probe chemistry on the molecular scale

For years scientists have had an itch they couldn't scratch Even with the best microscopes and spectrometers it's been difficult to study and identify molecules at the so called mesoscale a region of matter that ... - 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

High-efficiency water treatment using light using a novel UV-light system

Many harmful substances in waste water stubbornly resist being broken down by biological waste water treatment plants Fraunhofer researchers have developed a photochemical reaction system in which water can be reliably treated at high flow ... - Read More

A hydrogel that knows when to go

Rice University bioengineers have created a hydrogel that instantly turns from liquid to semisolid at close to body temperature and then degrades at precisely the right pace The gel shows potential as a bioscaffold to ... - Read More

Luminescent nanocrystal tags enable rapid detection of multiple pathogens in a single test

A research team using tunable luminescent nanocrystals as tags to advance medical and security imaging have successfully applied them to high speed scanning technology and detected multiple viruses within minutes The research led by Macquarie ... - Read More

Graphene for real-world devices: New research in phonon scattering sheds more light on graphene as a replacement for silicon

Graphene a one atom thick form of the carbon material graphite has been hailed as a wonder material strong light nearly transparent and an excellent conductor of electricity and heat But a number of practical ... - 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

Environmental hormones: Tiny amounts, big effects on fish

Empty nets and few species environmental hormones are believed responsible for the diminishing numbers of fish How damaging are these substances really though Studies that depict a complete picture of the lives of fish provide ... - Read More

Tracking proteins in single HIV particle

An interdisciplinary team of scientists from KU Leuven in Belgium has developed a new technique to examine how proteins interact with each other at the level of a single HIV viral particle The technique allows ... - Read More

The science of extraterrestrial Olympics, Brad Pitt's punches and Breaking Bad gore

University of Leicester students apply sophisticated scientific principles to pop culture scenarios with intriguing results How would athletes fare if the Winter Olympics were held on Saturn's moon Enceladus How realistic was the grizzly downfall ... - Read More

Nature’s chemical diversity reflected in Swedish lakes

It's not only the biology of lakes that varies with the climate and other environmental factors it's also their chemistry More knowledge about this is needed to understand the ecology of lakes and their role ... - Read More

Undersea warfare: Viruses hijack deep-sea bacteria at hydrothermal vents

More than a mile beneath the ocean's surface as dark clouds of mineral rich water billow from seafloor hot springs called hydrothermal vents unseen armies of viruses and bacteria wage war Like pirates boarding a ... - 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

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

New lab-on-a-chip device overcomes miniaturization problems

UNSW Australia chemists have invented a new type of tiny lab on a chip device that could have a diverse range of applications including to detect toxic gases fabricate integrated circuits and screen biological molecules ... - Read More

New tool to investigate the chemistry of nature: Laser-based tabletop setup generates ultrashort XUV light pulses

The Aziz' team at the Joint Laboratory between Freie Universität Berlin and HZB has built a laser based tabletop setup which generates ultrashort XUV light pulses and achieves their monochromatization by implementing special reflection zone ... - Read More

New fluorescent hybrid material changes color according to direction of light

The UPV EHU's Molecular Spectroscopy Group in collaboration with the Institute of Catalysis and Petroleum Chemistry of the CSIC Spanish National Research Council has developed a highly fluorescent hybrid material that changes colour depending on ... - 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

Brain tumor cells penetrated by tiny, degradable particles carrying genetic instructions

Working together Johns Hopkins biomedical engineers and neurosurgeons report that they have created tiny biodegradable nanoparticles able to carry DNA to brain cancer cells in mice The team says the results of their proof of ... - Read More

Microscopic organism plays a big role in ocean carbon cycling

It's broadly understood that the world's oceans play a crucial role in the global scale cycling and exchange of carbon between Earth's ecosystems and atmosphere Now scientists at Scripps Institution of Oceanography at UC San ... - Read More
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