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News articles about "cell"

New method for producing clean hydrogen

Duke University engineers have developed a novel method for producing clean hydrogen which could prove essential to weaning society off of fossil fuels and their environmental implications While hydrogen is ubiquitous in the environment producing ... - Read More

Single-cell transfection tool enables added control for biological studies

Northwestern University researchers have developed a new method for delivering molecules into single targeted cells through temporary holes in the cell surface The technique could find applications in drug delivery cell therapy and related biological ... - Read More

How gold nanoparticles can help fight ovarian cancer

Positively charged gold nanoparticles are usually toxic to cells but cancer cells somehow manage to avoid nanoparticle toxicity Mayo Clinic researchers found out why and determined how to make the nanoparticles effective against ovarian cancer ... - Read More

Fastest measurements ever made of ion channel proteins

Proteins, Proteins, proteins
The miniaturization of electronics continues to create unprecedented capabilities in computer and communications applications enabling handheld wireless devices with tremendous computing performance operating on battery power This same miniaturization of electronic systems is also creating ... - Read More

Bacteria use hydrogen, carbon dioxide to produce electricity

Carbon, Carbon dioxide, Bacteria, Carbon dioxide, carbon, bacteria
Researchers have engineered a strain of electricity producing bacteria that can grow using hydrogen gas as its sole electron donor and carbon dioxide as its sole source of carbon Researchers at the University of Massachusetts ... - Read More

Earth's iron core is surprisingly weak

earth, Earth
Researchers have used a diamond anvil cell to squeeze iron at pressures as high as 3 million times that felt at sea level to recreate conditions at the center of Earth The findings could refine ... - Read More

X-ray tomography of living frog embryo

X-ray
Classical X ray radiographs provide information about internal absorptive structures of organisms such as bones Alternatively X rays can also image soft tissues throughout early embryonic development of vertebrates Related to this a new X ... - Read More

Significant improvement in performance of solar-powered hydrogen generation

Hydrogen, Hydrogen, Hydrogen, Hydrogen, hydrogen
Using a powerful combination of microanalytic techniques that simultaneously image photoelectric current and chemical reaction rates across a surface on a micrometer scale researchers at the National Institute of Standards and Technology NIST have shed ... - Read More

Oxygen consumption of individual cells measured: Scanning electrochemical microscopy decisively optimized

Electrochemical, Oxygen , Microscopy
How active a living cell is can be seen by its oxygen consumption The method for determining this consumption has now been significantly improved by chemists in Bochum The problem up to now was that ... - Read More

Water governs cell movement: Aquaporins play key role, new research finds

cell, cell
Water gives life Researchers at Linköping University in Sweden now show how the cells in our bodies are driven mainly by water power a discovery that in the long run opens the way for a ... - Read More

Squishy hydrogels may be the ticket for studying biological effects of nanoparticles

biological
A class of water loving jelly like materials with uses ranges ranging from the mundane such as superabsorbent diaper liners to the sophisticated such as soft contact lenses could be tapped for a new line ... - Read More

Research On Cilia Heats Up: Implications For Hearing, Vision Loss And Kidney Disease

into molecular signals for the cell so that it can respond appropriately to its environment The signaling molecules inside cilia are tailored to the required responses For example some are proteins that bind to DNA ... - Read More

Heady mathematics: Describing popping bubbles in a foam

Foam
Bubble baths and soapy dishwater the refreshing head on a beer and the luscious froth on a cappuccino All are foams beautiful yet ephemeral as the bubbles pop one by one Two University of California ... - Read More

'Power plants': How to harvest electricity directly from plants

Plants, plants
The sun provides the most abundant source of energy on the planet However only a tiny fraction of the solar radiation on Earth is converted into useful energy To help solve this problem researchers at ... - Read More

Researchers find a way to make steel without greenhouse-gas emissions

Anyone who has seen pictures of the giant red hot cauldrons in which steel is made fed by vast amounts of carbon and belching flame and smoke would not be surprised to learn that steelmaking ... - Read More

Unique method for creating uniform nanoparticles developed

Nanoparticles, Nanoparticles, Nanoparticles
University of Illinois researchers have developed a new way to produce highly uniform nanocrystals used for both fundamental and applied nanotechnology projects We have developed a unique approach for the synthesis of highly uniform icosahedral ... - Read More

New technique to track cell interactions in living bodies developed

Researchers at Stanford University School of Medicine have developed a new technique to see how different types of cells interact in a living mouse The process uses light emitting proteins that glow when two types ... - Read More

Engineers manipulate a buckyball by inserting a single water molecule

Molecule, molecule
Columbia Engineering researchers have developed a technique to isolate a single water molecule inside a buckyball or C60 and to drive motion of the so called big nonpolar ball through the encapsulated small polar H2O ... - Read More

Microwave oven cooks up solar cell material

Microwave
University of Utah metallurgists used an old microwave oven to produce a nanocrystal semiconductor rapidly using cheap abundant and less toxic metals than other semiconductors They hope it will be used for more efficient photovoltaic ... - Read More

Discovery of new gigantic swelling phenomenon of layered crystal driven by water

A research group at the International Center for Materials Nanoarchitectonics MANA of NIMS discovered an intriguing phenomenon in which an inorganic layered crystal expanded and contracted by 100 times its original size in a few ... - Read More
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