Posts belonging to Category 'Science & Nanotechnology'
February 23, 2010 | Posted by Saleem
By dipping ordinary paper or fabric in a special ink infused with nanoparticles, Stanford engineer Yi Cui has found a way to cheaply and efficiently manufacture lightweight paper batteries and supercapacitors (which, like batteries, store energy, but by electrostatic rather than chemical means), as well as stretchable, conductive textiles known as “eTextiles” — capable of [...]
Categories: Science & Nanotechnology | 
Tags: eTextiles, nanoparticles, supercapacitors | 
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February 23, 2010 | Posted by Saleem
At the quantum level, the forces of magnetism and superconductivity exist in an uneasy relationship. Superconducting materials repel a magnetic field, so to create a superconducting current, the magnetic forces must be strong enough to overcome the natural repulsion and penetrate the body of the superconductor. But there’s a limit: Apply too much magnetic force, [...]
Categories: Science & Nanotechnology | Tags: esna Mitrovic, force, Leon Cooper, magnetic field, superconductivity, Vesna Mitrovic, vortices | No Comments »
February 21, 2010 | Posted by Saleem
A Michigan State University professor says if the world is to make better decisions when it comes to developing new energy sources, it needs to have better methods of measuring progress toward its energy goals. Just how well are we doing at developing alternatives to fossil fuels?
Categories: Science & Nanotechnology | Tags: Bruce Dale, fossil fuels, life energy, source of energy | No Comments »
February 10, 2010 | Posted by admin
A global initiative that includes key scientists from Oregon State University has successfully sequenced the genome of the wild grass Brachypodium distachyon, which will serve as a model to speed research on improved varieties of wheat, oats and barley, as well as switchgrass, a crop of major interest for biofuel production.
Categories: Science & Nanotechnology | Tags: agricultural importance, critical value, genetic information, genomes, global initiative, grass plant, human nutrition, international repository, journal nature, major interest, mockler, new energy sources, oregon state university, osu researchers, plant pathology, s center, sequence data, varieties of wheat, wild grass, world nutrition | No Comments »
January 27, 2010 | Posted by admin
Contrary to prevailing wisdom, a new study from plant biologists at UC Davis shows that proteins of the Hsp70 family do indeed chaperone proteins across the membranes of chloroplasts, just as they do for other cellular structures.
Categories: Health & Medicine, Science & Nanotechnology | Tags: biologist, cells, cellular structures, chaperone, chaperone proteins, chaperones, chloroplast, chloroplasts, Davis, DNA, Energy, Foundation, laboratory mouse, Lan-Xin Shi, living organism, mitochondria, national science foundation, organism, photosynthesis, Physcomitrella, plant biologists, plant biology, plant cell, protein, protein levels, shi, Steven Theg, t cell, u s department, uc davis | No Comments »
January 18, 2010 | Posted by admin
In the February 1st issue of G&D, Dr. Johanna Joyce and colleagues at Memorial Sloan Kettering Cancer Center lend new insight into the mechanism by which tumor-associated macrophages promote malignant progression.
Categories: Health & Medicine, Science & Nanotechnology | Tags: cancer cells, cancer progression, cellular communication, cellular environment, cellular growth, cold spring harbor, cold spring harbor laboratory, dynamic relationship, immune cells, lung tumors, macrophage cells, macrophages, malignant progression, memorial sloan kettering, memorial sloan kettering cancer center, sloan kettering cancer, sloan kettering cancer center, tumor microenvironment | No Comments »
December 28, 2009 | Posted by admin
It’s been used to dye the Chicago River green on St. Patrick’s Day. It’s been used to find latent blood stains at crime scenes. And now researchers at Northwestern University have used it to examine the thinnest material in the world.
Categories: Science & Nanotechnology | Tags: Applied, applied science, atomic force microscopy, biological samples, blood stains, carbo, chicago river, crime scene, crime scenes, CTS, development, energy electrons, fluorescence microscope, Fluorescent, fluorescent dyes, graduate student, journal of the american chemical society, materials science and engineering, mccormick school, mechanism, new imaging, optical microscopy, photolithography, plastic sheets, researcher, sample, scanning electron microscopy, scanning electron microscopy sem, school of engineering, SEM, smooth surfaces, thick sheet | No Comments »
December 28, 2009 | Posted by admin
Duke University engineers have created a new generation of lens that could greatly improve the capabilities of telecommunications or radar systems to provide a wide field of view and greater detail.
Categories: Science & Nanotechnology | Tags: composite materials, computer engineering, copper, doctoral associate, duke university, four inches, hundreds of years, journal nature, metamaterial, new generation, new lens, parallel rows, pratt school, prototype, researcher, school of engineering, scientists, surfaces, uniform material, university engineers, venetian blinds | No Comments »
December 20, 2009 | Posted by admin
Skull fragments of prehistoric koalas from the Riversleigh rainforests of millions of year ago suggest they shared the modern koala’s “lazy” lifestyle and ability to produce loud “bellowing” calls to attract mates and provide warnings about predators.
Categories: Health & Medicine, Science & Nanotechnology | Tags: australian forests, brush tailed possum, cover article, dominant tree, dramatic differences, facial region, five million years, journal of vertebrate paleontology, phascolarctos cinereus, physiological adaptations, queensland australia, remarkable condition, sedentary lifestyle, skull fragments, tree dwelling, university of new south wales, world heritage site | No Comments »
December 14, 2009 | Posted by admin
LONDON (AP) — E-mails stolen from climate scientists show they stonewalled skeptics and discussed hiding data – but the messages don’t support claims that the science of global warming was faked, according to an exhaustive review by The Associated Press.
Categories: Science & Nanotechnology | Tags: challenge, climate change, Environment, greenhouse gases, inference, Mark Frankel, northern hemisphere, scientists, university of east anglia | No Comments »