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spikes of graphene can kill bacteria on implants




a tiny layer of graphene flakes becomes a deadly weapon and kills bacteria, stopping infections during procedures such as implant surgery. this is the findings of new research from chalmers university of technology, sweden, recently published in the scientific journal advanced materials interfaces.o...



nanotextured surface kills bacteria without hurting mammalian cells




researchers at the georgia institute of technology have created an electrochemical etching process that can be used on common stainless steel alloy that is able to kill bacteria without hurting mammalian cells. the team believes that the process may one day be used to prevent microbial attack on imp...



rice u. chemists create 3-d printed graphene foam




image: laser sintering was used to 3-d print objects made of graphene foam, a 3-d version of atomically thin graphene. at left is a photo of a fingertip-sized cube of graphene... view more credit: tour group/rice universitynanotechnologists from rice university and china's tianjin university have ...



new 'nanozymes' use light to kill bacteria




researchers from rmit university have developed a new artificial enzyme that uses light to kill bacteria.



zap! graphene is bad news for bacteria




image: in the top row, the growth of biofilm on surfaces with a solution containing pseudomonas aeruginosa is observed on, from left, polyimide, graphite and laser-induced graphene surfaces. green, red and... view more credit: arnusch lab/ben-gurion university of the negevhouston - (may 22, 2017) ...



antibiotic nanoparticles fight drug-resistant bacteria




antibiotic resistance is a growing problem, especially among a type of bacteria that are classified as "gram-negative." these bacteria have two cell membranes, making it more difficult for drugs to penetrate and kill the cells.



graphene-based neural probes probe brain activity in high resolution




measuring brain activity with precision is essential to developing further understanding of diseases such as epilepsy and disorders that affect brain function and motor control. neural probes with high spatial resolution are needed for both recording and stimulating specific functional areas of the ...



using experimental and computational methods, researchers reveal workings of bac




central to understanding why bacteria become antibiotic resistant is knowing how bacteria respond to the drugs trying to kill them. in a new study, boston college researchers report that antibiotics disrupt the genetic defensive responses in lethal bacteria.



air pollution might make dangerous bacteria harder to kill




inhaling black carbon could boost some disease-causing bacteria’s resistance to antibiotics.



new 'nanozymes' use light to kill bacteria




image: a 3-d rendering of dead bacteria after it has come into contact with the nanozymes. view more credit: dr. chaitali dekiwadia/ rmit microscopy and microanalysis facilityresearchers from rmit university have developed a new artificial enzyme that uses light to kill bacteria. the artificial en...



what are probiotic cleaners? | kitchn




i recently heard about probiotic cleaners and thought, "come again?" i was obviously familiar with probiotics when it comes to gut health (cue that "activi-ahhhhh" song!) but never in terms of cleaning. upon further investigation, i learned that these products are marketed as being allergy-free, non...



new 'nanozymes' use light to kill bacteria




a 3-d rendering of live bacteria. credit: dr. chaitali dekiwadia/ rmit microscopy and microanalysis facilityresearchers from rmit university have developed a new artificial enzyme that uses light to kill bacteria. the artificial enzymes could one day be used in the fight against infections, and to k...



a nanotransistor made of graphene nanoribbons




graphene ribbons that are only a few atoms wide, so-called graphene nanoribbons, have special electrical properties that make them promising candidates for the nanoelectronics of the future. while graphene, a one-dimensional carbon layer, is a conductive material, it can become a semiconductor in th...



escherichia coli bacteria hijack copper, feed off it




copper has long been known for its ability to kill bacteria and other microbes.



nanostructures move from water purification to uranium extraction




last august, we reported on work out of the u.s. department of energy’s slac national accelerator laboratory and stanford university in which the nanomaterial molybdenum disulfide was used to kill 99.999 percent of bacteria in water within just 20 minutes—a process that would otherwise take up t...



rethinking role of viruses in coral reef ecosystems




conventional wisdom has it that within virus-bacteria population dynamics, viruses frequently kill their host bacterial cells—a process called lysis—especially when there's a large concentration of bacteria. a different dynamic called lysogeny, in which viruses lie dormant within their host cell...



zero gravity: graphene for space applications




researchers and students in the graphene flagship are preparing for two exciting experiments in collaboration with the european space agency (esa) to test the viability of graphene for space applications. both experiments will launch between 6-17th november 2017, testing graphene in zero-gravity con...



new 'sugar-glass' film uses viruses to kill harmful bacteria in food




with antibiotic resistance on the rise, bacterial contamination of food is becoming more problematic. now in a study appearing in acs biomaterials science & engineering, scientists report that they have developed an antibacterial "sugar-glass" coating in which viruses that destroy bacteria are embed...



virus's multipronged attack on bacteria points to new ways to fight infection




researchers have uncovered how a virus uses a two-pronged attack against a single protein to kill bacteria.



scientists move graphene closer to transistor applications




scientists at the u.s. department of energy's ames laboratory were able to successfully manipulate the electronic structure of graphene, which may enable the fabrication of graphene transistors— faster and more reliable than existing silicon-based transistors.



ultra-fast graphene photonics for next generation datacomms




on show for the first time at the gsma mobile world congress are two graphene based photonics devices which give a glimpse into the future of data communications. at the graphene pavilion, experience the world's first all-graphene optical communication link operating at a data rate of 25 gb/s per ch...



from flagship to spaceship—two experiments pushing the frontier of graphene's po




due to its distinctive properties graphene has been held out as a game-changing material for a range of industries and applications. the graphene flagship initiative was set up as europe's biggest ever multi-stakeholder research initiative, to quite literally shape the future of the technology.



graphene in zero g promises success in space




the airplane in which flagship researchers performed experiment in microgravity. operated by novespace, the plane makes special manoeuvres to create zero gravit conditions inside the plane credit: graphene flagshipin a successful collaboration between the graphene flagship and the european space age...



presstv-swedish company offers employees microchip implants




 an ultra-trendy company in stockholm is offering microchip implants to its members, in order to help them open doors or operate office equipment.the employees have tiny microchips embedded in their hands. they help with simple daily tasks like opening locked doors or operating office printers. the...



large single-crystal graphene is possible




thanks to its conductivity, strength and flexibility, graphene is considered as one of the most likely substitutes for silicon and other materials. however, it has not yet resulted in industrial applications. high-quality single-crystal graphene can only be produced in quantities a couple of millime...