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News articles about "Chemical"

How water dissolves stone, molecule by molecule

Molecule, molecule
Scientists from Rice University and the University of Bremen's Center for Marine Environmental Sciences MARUM in Germany have combined cutting edge experimental techniques and computer simulations to find a new way of predicting how water ... - Read More

DNA helicity, elasticity explained on nanoscale

A simple mechanical model to effectively implement the well known double stranded structure and the elasticity of DNA on a nano meter scale has been developed by Jae Hyung Jeon and Wokyung Sung of Pohang ... - Read More

Silkworms spin colored silks while on a 'green' dyed-leaf diet

Green
For some 5 000 years cultivated silkworms have been spinning luxurious white silk fibers destined for use in the finest clothing But current dyeing practices produce wastewater that contains potentially harmful toxins so scientists are ... - Read More

Turning waste into power with bacteria and loofahs

Bacteria, bacteria
Loofahs best known for their use in exfoliating skin to soft radiant perfection have emerged as a new potential tool to advance sustainability efforts on two fronts at the same time energy and waste The ... - Read More

Industrial age helps some coastal regions capture carbon dioxide, surprise finding shows

carbon, Carbon dioxide, Carbon dioxide, Carbon
Coastal portions of the world's oceans once believed to be a source of carbon dioxide CO2 to the atmosphere are now thought to absorb as much as two thirds more carbon than they emitted in ... - Read More

Intense two-color double X-ray laser pulses: Powerful tool to study ultrafast processes

X-ray
A team working at the SACLA X ray Free Electron Laser XFEL in Japan has succeeded in generating ultra bright two color X ray laser pulses for the first time in the hard X ray ... - Read More

Living desert underground: In perpetual darkness of limestone cave, surprisingly diverse ecosystem of microbes

Ecosystem, Ecosystem
Hidden underneath the hilly grasslands studded with ocotillos and mesquite trees in southeastern Arizona lies a world shrouded in perpetual darkness Kartchner Caverns a limestone cave system renowned for its untouched cave formations sculpted over ... - Read More

Optimizing carbon nanotube arrays for use in hot spots

Arrays, Carbon nanotube
Experimental evidence and computer simulations suggest how to grow structures with the best trade offs between three desired characteristics strength flexibility and the ability to dissipate heat When engineers design devices they must often join ... - Read More

Microplastics make marine worms sick

marine, Marine
Tiny bits of plastic trash could spell big trouble for marine life starting with the worms say a team of researchers from Plymouth University and the University of Exeter who report their evidence in a ... - Read More

Process holds promise for production of synthetic gasoline from carbon dioxide

Gasoline
A chemical system developed by researchers at the University of Illinois at Chicago can efficiently perform the first step in the process of creating syngas gasoline and other energy rich products out of carbon dioxide ... - Read More

'Nanosponge vaccine' fights MRSA toxins

Toxins, Toxins
Nanosponges that soak up a dangerous pore forming toxin produced by MRSA methicillin resistant Staphylococcus aureus could serve as a safe and effective vaccine against this toxin This nanosponge vaccine enabled the immune systems of ... - Read More

New light shed on solar water-splitting process

Light, Light
With the help of a new method called dual electrode photoelectrochemistry University of Oregon scientists have provided new insight into how solar water splitting cells work An important and overlooked parameter they report is the ... - Read More

Destroying greenhouse gases in environmentally-friendly way

Greenhouse gases, Greenhouse gases
Researchers at the Universitat Jaume I UJI have developed a new catalyst for the activation of carbon fluorine bonds This process has many industrial applications among which stands out the possibility to be used to ... - Read More

Scientists stitch up photosynthetic megacomplex

Proteins, Proteins, proteins
When sunlight strikes a photosynthesizing organism energy flashes between proteins just beneath its surface until it is trapped as separated electric charges Improbable as it may seem these tiny hits of energy eventually power the ... - Read More

Iron-based process promises greener, cheaper, safer drug, perfume production

University of Toronto researchers have developed a series of techniques to create a variety of very active iron based catalysts necessary to produce the alcohols and amines used in the drug and perfume industry The ... - Read More

Polymer gel, heal thyself: Engineering team proposes new composites that can regenerate when damaged

Composites, Gel, Engineering, Polymer
When a chair leg breaks or a cell phone shatters either must be repaired or replaced But what if these materials could be programmed to regenerate themselves replenishing the damaged or missing components and thereby ... - Read More

Better combustion through plasma

Mix together air fuel and heat and you get combustion the chemical reaction that powers most engines in planes trains and automobiles And if you throw in some ionized gas plasma it turns out you ... - Read More

Making a gem of a tiny crystal: Slowly cooled DNA transforms disordered nanoparticles into orderly crystal

Crystal
Nature builds flawless diamonds sapphires and other gems Now a Northwestern University research team is the first to build near perfect single crystals out of nanoparticles and DNA using the same structure favored by nature ... - Read More

Rain as acidic as lemon juice may have contributed to ancient mass extinction

Lemon juice
Rain as acidic as undiluted lemon juice may have played a part in killing off plants and organisms around the world during the most severe mass extinction in Earth's history About 252 million years ago ... - Read More

How scavenging fungi became a plant's best friend

Fungi
Glomeromycota is an ancient lineage of fungi that has a symbiotic relationship with roots that goes back nearly 420 million years to the earliest plants More than two thirds of the world's plants depend on ... - Read More
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