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Images of pathogens’ tiny ‘syringes’ captured

13-Mar-2017

Salmonella and many other bacterial pathogens use a nano syringe-like device to deliver toxic proteins into target human cells. Now scientists at Yale and University of Texas Medical School-Houston have used cryo-electron tomography to reveal the molecular structure of this device, which is about ...

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Small nanoparticles have surprisingly big effects on polymer nanocomposites

10-Mar-2017

Polymer nanocomposites mix particles billionths of a meter (nanometers, nm) in diameter with polymers, which are long molecular chains. Often used to make injection-molded products, they are common in automobiles, fire retardants, packaging materials, drug-delivery systems, medical devices, ...

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Analytik Jena enters Ultra-High Throughput Market

Access provided by Co-Marketing agreement with Illumina

09-Mar-2017

Analytik Jena has entered a partnership with Illumina, Inc. headquartered in San Diego. In so doing Analytik Jena gains access to the growing genotyping market currently being served by Illumina’s technologies by offering a production scale solution to provide ultra-high throughput sample ...

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Detailed chemical structure of P22 virus resolved

09-Mar-2017

Scientists at Baylor College of Medicine, the Lawrence Berkeley National Laboratory, Massachusetts Institute of Technology and Purdue University have completed a model of unprecedented near-atomic resolution of the chemical structure of the P22 virus. For nearly 30 years the laboratory of Dr. Wah ...

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How to amplify or stifle signals for immune responses

09-Mar-2017

T cells, the managers of our immune systems, spend their days shaking hands with another type of cell that presents small pieces of protein from pathogens or cancerous cells to the T cell. But each T cell is programmed to recognize just a few protein pieces, known as antigens, meaning years can ...

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Detecting Mercury with Gold

Individual gold nanorods could be used to develop smaller, portable mercury sensors

09-Mar-2017

Mercury is harmful even in small amounts. Detecting it currently requires expensive equipment. Researchers are working on a faster and cheaper alternative: a portable sensor that can perform a rapid analysis in the field. The key is finding something small and accurate enough to do the job.For ...

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Breakthrough discovery may make blood test feasible for detecting cancer

08-Mar-2017

Doctors may soon be able to detect and monitor a patient’s cancer with a simple blood test, reducing or eliminating the need for more invasive procedures, according to Purdue University research. W. Andy Tao, a professor of biochemistry and member of the Purdue University Center for Cancer ...

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Biophysicists propose new approach for membrane protein crystallization

08-Mar-2017

A team of scientists from the Laboratory for Advanced Studies of Membrane Proteins at MIPT, Research Center Jülich (Germany), and Institut de Biologie Structurale (France) have developed a new approach to membrane protein crystallization. For the first time, the scientists showed that membrane ...

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Simulating cellular sorting processes

08-Mar-2017

A plant or an animal cell uses numerous processes to sort and assemble tiny building blocks into larger molecules, to rebuild molecules or to dissolve them. Such processes depend on interactions between various cellular components and are pre-programmed at least in some of the building blocks. ...

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Creating crystals from gold

Crystals of an antibody peptide complex related to AIDS research

08-Mar-2017

Scientists from Imperial College London have revealed how materials such as gold can help create protein crystals. The team, from the Department of Surgery and Cancer , hope their findings could aid the discovery of new medicines and treatments. Proteins are crucial to numerous functions in the ...

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