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Current Mobile Devices News and Events, Mobile Devices News Articles.
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Controlling the crystal structure of gallium oxide
Precise control of the atomic structure of gallium-oxide layers improves the development of high-power electronic devices. (2018-05-03)

Weeds take over kelp in high CO2 oceans
Weedy plants will thrive and displace long-lived, ecologically valuable kelp forests under forecast ocean acidification, new research from the University of Adelaide shows. The researchers describe how kelp forests are displaced by weedy marine plants in high CO2 conditions, equivalent to those predicted for the turn of the century. (2018-05-03)

Posting, commenting and customizing on Facebook help involve, empower older adults
Social networking sites, such as Facebook, offer tools and activities that may help older adults feel more empowered and less isolated, according to researchers. In a study of Facebook use, older adults who posted a lot of personal stories on the social networking site felt a higher sense of community, and the more they customized their profiles, the more in control they felt. (2018-05-01)

Sweating the small stuff
When people sweat, they unknowingly release a wide range of chemicals that can noninvasively inform clinicians on anything from stress hormone levels to glucose. An international team of researchers recently developed a new membrane that mitigates both issues that arise from direct dermal contact and sweat dilution for sweat biosensors. As discussed in Biomicrofluidics, the membrane performs hundreds of times better than other methods and holds up to repeated use. (2018-05-01)

Study: Wearable fitness monitors useful in cancer treatment
Wearable fitness trackers, such as Fitbits, that measure steps taken per day may be a useful tool to evaluate and help treat cancer patients, researchers at UT Southwestern's Simmons Cancer Center have shown. (2018-05-01)

Extreme mobility of mantis shrimp eyes
New research, led by biologists from the University of Bristol, has uncovered fresh findings about the most mobile eyes in the animal kingdom -- the eyes of the mantis shrimp. (2018-05-01)

Bright future for solar cell technology
New all-inorganic perovskite solar cells tackle three key challenges in solar cell technology: efficiency, stability, and cost. (2018-04-27)

Smartphone app keeps an 'eye' on daily tuberculosis therapy
Johns Hopkins researchers report success with a smart phone video-based app that substitutes for a daily in-person visit by a health care worker required for tuberculosis treatment known as directly observed therapy, or DOT. The preliminary study showed that the app may be less costly and may improve privacy concerns raised by patients compared to in-person visits. (2018-04-26)

A simple method etches patterns at the atomic scale
A precise, chemical-free method for etching nanoscale features on silicon wafers has been developed by a team from Penn State and Southwest Jiaotong University and Tsinghua University in China. (2018-04-26)

Improving mid-infrared imaging and sensing
A new way of taking images in the mid-infrared part of the spectrum, developed by researchers at MIT and elsewhere, could enable a wide variety of applications, including thermal imaging, biomedical sensing, and free-space communications. (2018-04-26)

Bento browser makes it easier to search on mobile devices
Searches involving multiple websites can quickly get confusing, particularly when performed on a mobile device with a small screen. A new web browser developed at Carnegie Mellon University now brings order to complex searches in a way not possible with conventional tabbed browsing. The Bento browser stores each search session as a project workspace that keeps track of the most interesting or relevant parts of visited web pages. (2018-04-25)

SCAI releases consensus guidelines for PVD device selection
SCAI released new guidelines to address the selection of specific categories of devices when endovascular therapy (EVT) is indicated. The purpose of this document, which is the first of its kind, is to provide a review of comparative effectiveness data, including safety and efficacy of femoral-popliteal (FP) devices, and to provide clinicians with guidance and recommendations for device selection when these devices are intended as the definitive or adjunctive therapy. (2018-04-25)

World's smallest optical implantable biodevice
Researchers in Japan have built a new optical device no bigger than the edge of a coin. The device includes a photovoltaic cell that is powered by infrared light and emits blue light. Using infrared light allows the device to be implanted several centimeters deep into the body, while the emission of blue light can be used for optogenetic control of brain patterns. (2018-04-25)

Researchers use smart phone to make a faster infection detector
Washington State University researchers have developed a low-cost, portable laboratory on a phone that works nearly as well as clinical laboratories to detect common viral and bacterial infections. The work could lead to faster and lower-cost lab results for fast-moving viral and bacterial epidemics, especially in rural or lower-resource regions where laboratory equipment and medical personnel are sometimes not readily available. (2018-04-24)

Getting electrons to move in a semiconductor
In new experiments reported in Applied Physics Letters, researchers have shown that a wide-bandgap semiconductor called gallium oxide can be engineered into nanometer-scale structures that allow electrons to move much faster within the crystal structure. With electrons that move with such ease, Ga2O3 could be a promising material for applications such as high-frequency communication systems and energy-efficient power electronics. (2018-04-24)

Electrode shape improves neurostimulation for small targets
A cross-like shape helps the electrodes of implantable neurostimulation devices to deliver more charge to specific areas of the nervous system, possibly prolonging device life span, says research published in March in Nature Scientific Reports. (2018-04-24)

Hospital patients are eager to play a role in tracking health data, researchers find
New research shows that patients in the hospital are eager to collaborate with clinicians to track their health data. Traditionally, clinicians have been the only ones who collect, track and reflect on that data. (2018-04-24)

MSU scientists rolled 2-D cadmium telluride up into nanoscrolls
A team of scientists from the Faculty of Chemistry and the Faculty of Materials Science, MSU together with foreign colleagues discovered that two-dimensional sheets of cadmium telluride can spontaneously fold into nanoscrolls. This effect may be used in electronics and photonics. The results of the study were published in the highly-rated Chemistry of Materials journal. (2018-04-23)

Could eating moss be good for your gut?
An international team of scientists including the University of Adelaide has discovered a new complex carbohydrate in moss that could possibly be exploited for health or other uses. (2018-04-23)

Seven-day antibiotic course delivers similar outcomes to 14-days for Gram-negative bacteraemia
A seven-day course of antibiotic treatment for Gram-negative bacteraemia (GNB), a serious infection that occurs when bacteria get into the bloodstream, was shown to offer similar patient outcomes as a 14-day course, according to research presented at the 28th European Congress of Clinical Microbiology and Infectious Diseases (ECCMID). (2018-04-21)

Graphene sets a new record on squeezing light to one atom
Graphene Flagship researchers reach the ultimate level of light confinement -- the space of one atom. This will pave the way to ultra-small optical switches, detectors and sensors. (2018-04-20)

Researchers illuminate the path to a new era of microelectronics
A new microchip technology capable of optically transferring data could solve a severe bottleneck in current devices by speeding data transfer and reducing energy consumption by orders of magnitude, according to an article published in the April 19, 2018 issue of Nature. (2018-04-20)

Biofeedback relaxation app may help kids during medical procedures
A new Pain Practice study indicates that biofeedback-assisted relaxation may help manage pain and anxiety in children undergoing medical procedures. (2018-04-19)

Direct electrical current used to preferentially inhibit pain-transmitting neurons
Using computer models and laboratory rats, Johns Hopkins researchers have demonstrated that (2018-04-18)

Robot developed for automated assembly of designer nanomaterials
A Japanese research team developed a robot that can identify, collect, and manipulate two-dimensional nanocrystals. The robot stacked nanocrystals to form the most complex van der Waals heterostructure produced to date, with much less human intervention than the manual operations previously used to produce van der Waals heterostructures. This robot allows unprecedented access to van der Waals heterostructures, which are attractive for use in advanced electronics. (2018-04-18)

Surrey creates new tool to speed up the design of wearable tech
People could soon power items such as their mobile phones or personal health equipment by simply using their daily movements, thanks to a new research tool that could be used by manufacturers. (2018-04-17)

Two robots are cetter than one for NIST's 5G antenna measurement research
Researchers at the National Institute of Standards and Technology (NIST) continue to pioneer new antenna measurement methods, this time for future 5G wireless communications systems. (2018-04-16)

Deep learning transforms smartphone microscopes into laboratory-grade devices
Researchers at the UCLA Samueli School of Engineering have demonstrated that deep learning, a powerful form of artificial intelligence, can discern and enhance microscopic details in photos taken by smartphones. The technique improves the resolution and color details of smartphone images so much that they approach the quality of images from laboratory-grade microscopes. (2018-04-12)

Tiny probe can see and take body temperatures
University of Adelaide researchers have invented a world-first tiny fiber-optic probe that can simultaneously measure temperature and see deep inside the body. The probe may help researchers find better treatments to prevent drug-induced overheating of the brain, and potentially refine thermal treatment for cancers. (2018-04-12)

Baby fish led astray by high CO2 in oceans
Baby fish will find it harder to reach secure shelters in future acidified oceans -- putting fish populations at risk, new research from the University of Adelaide has concluded. (2018-04-11)

New gadgets help reveal the collective behavior of wild animals
An international team of scientists led by Swansea University biologists describe how novel technologies are transforming our understanding of why wild animals form different groups. (2018-04-11)

Diamond-based circuits can take the heat for advanced applications
When power generators transfer electricity, they lose almost 10 percent of the generated power. To address this, scientists are researching new diamond semiconductor circuits to make power conversion systems more efficient. Researchers in Japan successfully fabricated a key circuit in power conversion systems using hydrogenated diamond. These circuits can be used in diamond-based electronic devices that are smaller, lighter and more efficient than silicon-based devices. They report their findings in this week's Applied Physics Letters. (2018-04-10)

Imitation is the most sincere form of flattery, unless you are an app developer
One out of two mobile apps released is a clone of an existing app. However, new research in the INFORMS journal Information Systems Research shows the success of the original app is not always adversely affected by these clone apps. The study, which was conducted by Carnegie Mellon University researchers, found that whether the copycat app increases or decreases the number of downloads of the original is dependent upon the quality of the copy. (2018-04-09)

Why noise can enhance sensitivity to weak signals
A team of Japanese researchers has discovered a new mechanism to explain stochastic resonance, in which sensitivity to weak signals is enhanced by noise. The finding is expected to help electronic devices become smaller and more energy efficient. (2018-04-05)

Newly discovered hormone helps keep plants from dehydrating
Researchers at the RIKEN Center for Sustainable Resource Science (CSRS) in Japan have discovered a small hormone that helps plants retain water when none is available in the soil. Published in the journal Nature on April 4, the study shows how the peptide CLE25 moves from the roots to the leaves when water is scarce and helps prevent water loss by closing pores in the leaf surface. (2018-04-04)

Smartphone app performs better than traditional exam in cardiac assessment
A smartphone application using the phone's camera function performed better than traditional physical examination to assess blood flow in a wrist artery for patients undergoing coronary angiography, according to a randomized trial published in CMAJ (Canadian Medical Association Journal). (2018-04-03)

Apps to keep children safe online may be counterproductive
Mobile apps designed to help parents keep their children safe from online predators may actually be counterproductive, harming the trust between a parent and child and reducing the child's ability to respond to online threats, conclude two new studies from the University of Central Florida. (2018-04-03)

Island emus' size related to size of island homes
Emus that lived isolated on Australia's offshore islands until the 19th century, including Kangaroo Island, King Island and Tasmania, were smaller versions of their larger mainland relatives -- and their overall body size correlated to the size of the islands they inhabited. (2018-04-03)

Engineers turn plastic insulator into heat conductor
Is your laptop or phone overheating? New MIT-engineered plastic could lead to self-cooling casings for common electronics. (2018-03-30)

Cat-like 'hearing' with device tens of trillions times smaller than human eardrum
Researchers at Case Western Reserve University in Cleveland, Ohio, are developing atomically thin 'drumheads'-- tens of trillions of times thinner than the human eardrum -- able to receive and transmit signals across a radio frequency range far greater than what we can hear with the human ear. Their work will likely contribute to making the next generation of ultralow-power communications and sensory devices smaller and with greater detection and tuning ranges. (2018-03-30)

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