Fri, 28 Oct 2016 05:53:23 EDTA prototype device called a bolometer measures electromagnetic radiation energy flow based on physical parameter variations of thermosensitive elements as a result of heating by absorption of radiation energy.
Thu, 27 Oct 2016 09:58:56 EDTThe intersection of nanotechnology and green chemistry presents an excellent opportunity to ensure that both fields can learn from each other, argues John C. Warner in Green Chemistry and Letters.
Thu, 27 Oct 2016 09:58:38 EDTA pan-European team of researchers involving the University of Oxford has developed a new technique to provide cellular 'blueprints' that could help scientists interpret the results of X-ray fluorescence (XRF) mapping.
Wed, 26 Oct 2016 16:30:20 EDTNanoscience research involves molecules that are only 1/100th the size of cancer cells and that have the potential to profoundly improve the quality of our health and our lives. Now nine prominent nanoscientists look ahead to what we can expect in the coming decade, and conclude that nanoscience is poised to make important contributions in many areas, including health care, electronics, energy, food and water.
Wed, 26 Oct 2016 08:00:02 EDTNanomedicine has the potential to help personalize cancer treatments and reduce side effects of therapeutic drugs. While some progress has been made toward the latter goal, customized treatments are still hard to come by. Now scientists report in the journal ACS Nano a new step toward seeing where certain cancer drugs accumulate in the body in order to better treat patients. They tested their drug-carrying, lipid-based nanoparticles in animals.
Tue, 25 Oct 2016 06:17:02 EDTTo infect its victims, influenza A heads for the lungs, where it latches onto sialic acid on the surface of cells. So researchers created the perfect decoy: A carefully constructed spherical nanoparticle coated in sialic acid lures the influenza A virus to its doom. When misted into the lungs, the nanoparticle traps influenza A, holding it until the virus self-destructs.
Mon, 24 Oct 2016 16:32:57 EDTLayers of graphene separated by nanotube pillars of boron nitride may be a suitable material to store hydrogen fuel in cars, according to Rice University scientists.
Mon, 24 Oct 2016 15:00:07 EDTIn a proof-of-concept study with mice, scientists at The Johns Hopkins University show that a novel coating they made with antibiotic-releasing nanofibers has the potential to better prevent at least some serious bacterial infections related to total joint replacement surgery.
Mon, 24 Oct 2016 03:36:33 EDTYuan Yang, assistant professor of materials science and engineering at Columbia Engineering, has developed a new method to increase the energy density of lithium (Li-ion) batteries. He has built a trilayer structure that is stable even in ambient air, which makes the battery both longer lasting and cheaper to manufacture. The work, which may improve the energy density of lithium batteries by 10-30%, is published online today in Nano Letters.
Fri, 21 Oct 2016 09:40:06 EDTResearchers have found an unexpected way to control the thermal conductivity of two-dimensional (2-D) materials, which will allow electronics designers to dissipate heat in electronic devices that use these materials.
Fri, 21 Oct 2016 08:00:19 EDTA team of researchers with École Polytechnique Fédérale de Lausanne in Switzerland has introduced a new vibrational mode called a relaxon to the field of heat conduction theory to describe the way heat flows through some crystals. In their paper published in the journal Physical Review X, the team describes their new model and how well it worked when testing it with two particular crystals.
Fri, 21 Oct 2016 07:30:29 EDTThe huge doses of drugs required to combat cancer could be reduced thanks to the work of A*STAR researchers, and the drugs themselves may become more effective. The researchers have developed a polymeric 'scaffold' that helps drugs that often have trouble entering the bloodstream, such as anti-cancer agents, form highly stable nanoparticles with improved bioavailability.
Thu, 20 Oct 2016 14:00:01 EDTScientists at Rice University are smashing metallic micro-cubes to make them ultrastrong and tough by rearranging their nanostructures upon impact.
Wed, 19 Oct 2016 15:18:51 EDTCarbon fiber, a pillar of strength in materials manufacturing for decades, isn't as good as it could be, but there are ways to improve it, according to Rice University scientists.
Wed, 19 Oct 2016 11:38:32 EDTResearchers at Tokyo Institute of Technology in collaboration with the University of Cambridge have studied the interaction between microwave fields and electronic defect states inside the oxide layer of field-effect transistors at cryogenic temperatures. It has been found that the physics of such defect states are consistent with driven two-level systems possessing long coherence times, and that their induced dynamics can be coherently and independently controlled.
Wed, 19 Oct 2016 11:36:58 EDTGrown like a snowflake and sharpened with a sewing machine, a novel device by Kansas State University researchers may benefit biomedical professionals and the patients they serve during electrode and organ transplant procedures.
Wed, 19 Oct 2016 11:30:17 EDTResearchers at the Nanoscale Transport Physics Laboratory from the School of Physics at the University of the Witwatersrand have found a technique to improve carbon superlattices for quantum electronic device applications. Superlattices are made up of alternating layers of very thin semiconductors, just a few nanometers thick. These layers are so thin that the physics of these devices is governed by quantum mechanics, where electrons behave like waves. In a paradigm shift from conventional electronic devices, exploiting the quantum properties of superlattices holds the promise of developing new technologies.
Wed, 19 Oct 2016 08:33:29 EDTA diagnosis of pancreatic cancer is often a death sentence because chemotherapy and radiation have little impact on the disease. In the U.S. this year, some 53,000 new cases will be diagnosed, and 42,000 patients will die of the disease, according to the National Institutes of Health. But research now being reported in ACS Nano could eventually lead to a new type of treatment based on gold nanoparticles.
Wed, 19 Oct 2016 07:20:02 EDTResearchers from the University of Amsterdam (UvA), in collaboration with Japanese partners, have determined the relation between the bandgap energy of single cesium lead bromide nanocrystals (CsPbBr3 NCs) and their size and shape. By studying individual NCs being either isolated or surrounded by 'neighbors', they explicitly visualized for the first time band structure modification introduced by effective coupling between semiconductor NCs upon close contact.
Wed, 19 Oct 2016 06:21:44 EDTPhysicists from the Lomonosov Moscow State University have worked out a new and more eco-friendly method of obtaining silicon nanowires that replaces hydrofluoric acid (HF) with ammonium fluoride (NH4F).
Wed, 19 Oct 2016 03:30:53 EDTIn a development beneficial for both industry and environment, UC Santa Barbara researchers have created a high-quality coating for organic electronics that promises to decrease processing time as well as energy requirements.
Wed, 19 Oct 2016 03:28:09 EDTChemists at the University of Iowa will research the effects of nanomaterials on the environment and human health using a network of supercomputers funded by the U.S. National Science Foundation.
Tue, 18 Oct 2016 09:11:47 EDTResearchers at the Center for Multidimensional Carbon Materials (CMCM), within the Institute for Basic Science (IBS) have demonstrated graphene coating protects glass from corrosion. Their research, published in ACS Nano, can contribute to solving problems related to glass corrosion in several industries.
Tue, 18 Oct 2016 09:10:28 EDTPre-treating the fabric surface of the bandages used to treat burns with enzymes and polyethylene glycol or cellulase may promote the adhesion of antibacterial nanoparticles and improve their bacteria-repelling ability. These are the findings of a group of scientists from the Islamic Azad University, Iran, published in The Journal of The Textile Institute.
Tue, 18 Oct 2016 02:44:35 EDTA staggering 1.7 million persons in the United States will be diagnosed with cancer in 2016, with 600,000 cases ending in death. University of Oklahoma researchers have collaborated to design a novel, non-invasive cancer therapy that could eliminate tumors without affecting the healthy cells in the body.
Tue, 18 Oct 2016 02:35:49 EDTA research team at Worcester Polytechnic Institute (WPI) has developed a revolutionary, light-activated semiconductor nanocomposite material that can be used in a variety of applications, including microscopic actuators and grippers for surgical robots, light-powered micro-mirrors for optical telecommunications systems, and more efficient solar cells and photodetectors.
Mon, 17 Oct 2016 11:31:20 EDTA new type of atomic force microscope (AFM) uses nanowires as tiny sensors. Unlike standard AFM, the device with a nanowire sensor enables measurements of both the size and direction of forces. Physicists at the University of Basel and at the EPF Lausanne have described these results in the recent issue of Nature Nanotechnology.
Mon, 17 Oct 2016 11:11:00 EDTA Daegu Gyeongbuk Institute of Science and Technology research team led by Professor Su-Il In, who developed acupuncture needles combined with nanotechnology, was recognized as the world's first application of this technology. This development is expected to open new directions in the oriental medicine research field.
Fri, 14 Oct 2016 13:00:31 EDTResearchers at North Carolina State University have determined that the surface texture of gallium nitride (GaN) materials can influence the health of nearby cells. The work is significant because GaN is a material of interest for developing new devices that can control cellular behavior.
Fri, 14 Oct 2016 09:39:19 EDTDetailing the molecular makeup of materials—from solar cells to organic light-emitting diodes (LEDs) and transistors, and medically important proteins—is not always a crystal-clear process.