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News articles about "Biochemistry"

Breakthrough for information technology using Heusler materials: May lead to very high performance spintronic components

It is the breakthrough that physicists and chemists around the world have long anticipated and it will play a pivotal role in information technology in coming years Researchers at Johannes Gutenberg University Mainz JGU have ... - Read More

Details of calcium 'safety-valve' in cells explained

Sometimes a cell has to die when it's done with its job or inflicted with injury that could otherwise harm an organism Conversely cells that refuse to die when expected can lead to cancer So ... - Read More

Targeting tumors using silver nanoparticles

Scientists at UC Santa Barbara have designed a nanoparticle that has a couple of unique and important properties Spherical in shape and silver in composition it is encased in a shell coated with a peptide ... - Read More

Unmasking viral invaders with mass spectrometry

If you have it you probably don't know it Cytomegalovirus or CMV is perhaps one of the biggest pathogens you've never heard of big both proportionately and epidemiologically It contains approximately 200 genes compared to ... - Read More

Method of synthesizing new type of nickel-carbon heterofullerenes

Scientists from several British Spanish and Russian research centers MIPT Institute for Spectroscopy RAS Kurchatov Institute and Kintech Lab Ltd have come up with a method of synthesizing a new type of nickel carbon compound ... - Read More

Evolution of a bimetallic nanocatalyst

Atomic scale snapshots of a bimetallic nanoparticle catalyst in action have provided insights that could help improve the industrial process by which fuels and chemicals are synthesized from natural gas coal or plant biomass A ... - Read More

Better tissue healing with disappearing hydrogels

When stem cells are used to regenerate bone tissue many wind up migrating away from the repair site which disrupts the healing process But a technique employed by a University of Rochester research team keeps ... - Read More

How red tide knocks out its competition

New research reveals how the algae behind red tide thoroughly disables but doesn't kill other species of algae The study shows how chemical signaling between algae can trigger big changes in the marine ecosystem Marine ... - Read More

Effect of Bilbao atmosphere on Chillida's sculptures

Weathering steel is a steel specially designed to resist exposure to the open air Yet in Bilbao some of the sculptures produced in this material like Eduardo Chillida's Besarkada XI and Begirari IV have not ... - Read More

Hot spots for molecules: Ultra-high sensitivity molecular detection

The accurate placement of molecules into gaps between gold nanoantennas enables ultra high sensitivity molecular detection The ability to detect tiny quantities of molecules is important for chemical sensing as well as biological and medical ... - Read More

Design of self-assembling protein nanomachines starts to click: A nanocage builds itself from engineered components

A route for constructing protein nanomachines engineered for specific applications may be closer to reality Biological systems produce an incredible array of self assembling functional protein tools Some examples of these nanoscale protein materials are ... - Read More

Long-sought molecular map of critical genetic machinery developed

A team led by researchers at The Scripps Research Institute TSRI has used advanced electron microscopy techniques to determine the first accurate structural map of Mediator one of the largest and most complex molecular machines ... - Read More

Making artificial vision look more natural

In laboratory tests researchers have used electrical stimulation of retinal cells to produce the same patterns of activity that occur when the retina sees a moving object Although more work remains this is a step ... - Read More

Opening a wide window on the nano-world of surface catalysis

Surface catalysts are notoriously difficult to study mechanistically but scientists at the University of South Carolina and Rice University have shown how to get real time reaction information from Ag nanocatalysts that have long frustrated ... - Read More

Scientists Capture Most Detailed Images Yet of Tiny Cellular Machines

are intimately linked together in a type of molecular symbiosis The structure yields clues about the relationship and the relative ages of RNA and proteins once thought to be much wider apart on an evolutionary ... - Read More

Proteins 'ring like bells': Quantum mechanics and biochemical reactions

As far back as 1948 Erwin Schrödinger the inventor of modern quantum mechanics published the book What is life In it he suggested that quantum mechanics and coherent ringing might be at the basis of ... - Read More

Quest for the bionic arm: Advancements and challenges

In the past 13 years nearly 2 000 veterans returned from Iraq and Afghanistan with injuries requiring amputations 14 percent of those injured veterans required upper extremity amputations To treat veterans with upper extremity amputations ... - Read More

Lasers, night-vision technology help improve imaging of hidden lymphatic system

The human lymphatic system is an important but poorly understood circulatory system consisting of tiny vessels spread throughout the body This drainage network helps guard against infections and prevents swelling which occasionally happens when disease ... - Read More

Carbon-capture breakthrough: Recyclable material absorbs 82 percent of its weight in carbon dioxide

Rice University scientists have created an Earth friendly way to separate carbon dioxide from natural gas at wellheads A porous material invented by the Rice lab of chemist James Tour sequesters carbon dioxide a greenhouse ... - Read More

Just add water: 3-D silicon shapes fold themselves when wetted by microscopic droplets

Researchers from the University of Twente in the Netherlands have taken the precise art of origami down to the microscopic scale Using only a drop of water the scientists have folded flat sheets of silicon ... - Read More
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