Current Efficiency News and Events

Current Efficiency News and Events, Efficiency News Articles.
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Amination strategy improves efficiency of CO2 electrocatalytic reduction
A research team led by Prof. LIU Licheng from the Qingdao Institute of Bioenergy and Bioprocess Technology (QIBEBT) of the Chinese Academy of Sciences (CAS) proposed a two-step amination strategy to regulate the electronic structure of M-N/C catalysts (M=Ni, Fe, Zn) and enhance the intrinsic activity of CO2 electrocatalytic reduction. (2021-02-19)

Direct cloning method CAPTUREs novel microbial natural products
Microorganisms possess natural product biosynthetic gene clusters (BGCs) that may harbor unique bioactivities for use in drug development and agricultural applications. However, many uncharacterized microbial BGCs remain inaccessible. Researchers at Illinois previously demonstrated a technique using transcription factor decoys to activate large, silent BGCs in bacteria to aid in natural product discovery. (2021-02-19)

Spin hall effect of light with near 100% efficiency
POSTECH-KAIST joint research team develops perfect SHEL using anisotropic metasurfaces. (2021-02-18)

You snooze, you lose - with some sleep trackers
Wearable sleep tracking devices - from Fitbit to Apple Watch to never-heard-of brands stashed away in the electronics clearance bin - have infiltrated the market at a rapid pace in recent years. And like any consumer products, not all sleep trackers are created equal, according to West Virginia University neuroscientists. (2021-02-17)

Solution to puzzling phenomenon may open door to improved Cold Spray efficiency
An international team of researchers has solved a puzzling phenomenon whereby strangely beautiful, vortex-like structures appear between materials deposited onto engineering components used in multiple settings - from space shuttles to household items and everyday transport vehicles The discovery may ultimately improve the efficiency of the ''Cold Spray'' (CS) deposition process from which these structures are formed - a not-insignificant financial or functional consideration. (2021-02-16)

Capturing free-space optical light for high-speed wifi
Visible and infrared light can carry more data than radio waves, but has always been confined to a hard-wired, fiber-optic cable. Working with Facebook's Connectivity Lab, a Duke research team has now made a major advance toward the dream of ditching the fiber in fiber optics. (2021-02-11)

Research reveals why plant diversity is so important for bee diversity
A study in southern England reveals why bumble bees and honey bees thrive despite foraging on the same flowers. (2021-02-10)

RUDN University veterinarians tested a new drug against pneumonia in calves
Respiratory tract diseases in young animals of the cattle are a big issue for world agriculture and food safety because a bacterium that causes them is resistant to most antibiotics. A team of veterinarians from RUDN University developed and tested a complex preparation called gentaminoseleferon that could help treat respiratory infection in calves. (2021-02-10)

Russian scientists significantly improved coal-burning efficiency
A team of Russian scientists from NUST MISIS, Tomsk Polytechnic University (TPU) and Boreskov Institute of Catalysis has suggested a new approach to modifying the combustion behavior of coal. The addition of copper salts reduces the content of unburnt carbon in ash residue by 3.1 times and CO content in the gaseous combustion products by 40%, the scientists found. The research was published in Fuel Processing Technology. (2021-02-10)

Advanced simulations reveal how air conditioning spreads COVID-19 aerosols
A restaurant outbreak in China was widely reported as strong evidence of airflow-induced transmission of COVID-19, but it lacked a detailed investigation about exactly how transmission occurred. In Physics of Fluids, researchers at the University of Minnesota report using advanced simulation methods to capture the complex flows that occur when the cold airflow from air conditioners interacts with the hot plume from a dining table and the transport of virus-loading particles within such flows. (2021-02-09)

Scientists suggested using non-symmetrical magnets for target drug delivery
A team of scientists from Immanuel Kant Baltic Federal University and the University of Genoa suggested combining permanent magnets of different shapes to target magnetic particles with drugs at the organs of lab mice. Such a combination secured a magnetic driving force that was ten times stronger compared to regular cylindrical magnets. (2021-02-09)

Efficiency limits of next-generation hybrid photovoltaic-thermal solar technology
Spectral-splitting hybrid photovoltaic-thermal (SSPVT) technology has emerged as a promising route toward high-performance solar harvesting. In this research, scientists have developed a comprehensive framework for modelling SSPVT solar collectors. The framework can be used to determine the efficiency limits of such collectors and to indicate how these limits can be approached through the selection of optimal designs and materials. This work promotes and provides guidance to the design, development and deployment of next-generation solar systems. (2021-02-08)

WVU biologists uncover forests' unexpected role in climate change
New research from West Virginia University biologists shows that trees around the world are consuming more carbon dioxide than previously reported, making forests even more important in regulating the Earth's atmosphere and forever shift how we think about climate change. (2021-02-08)

Establishment testing standards for particulate photocatalysts in solar fuel production proposed
Recently, an international research team initiated the establishment of international efficiency accreditation and testing protocols for particulate photocatalysts toward solar fuel production. (2021-02-05)

New way to power up nanomaterials for electronic applications
UCLA materials scientists and colleagues have discovered that perovskites, a class of promising materials that could be used for low-cost, high-performance solar cells and LEDs, have a previously unutilized molecular component that can further tune the electronic property of perovskites. (2021-02-05)

Blink! The link between aerobic fitness and cognition
Researchers from the University of Tsukuba have found evidence that spontaneous eye blink activity, which reflects activity in the dopaminergic system, explains the connection between fitness and cognitive function. This is the first study to indicate that dopamine has an essential role in linking aerobic fitness and cognition. These findings open the door to new research regarding the mechanisms by which exercise improves brain function, and may lead to novel fitness strategies for enhancing cognition. (2021-02-03)

Good customer service can lead to higher profits, even for utilities without competition
New research finds that satisfied customers mean increased profits even for public utilities that don't face competition. It found that customer satisfaction does not lead to increased profits via higher rates or greater demand suggests current regulatory controls are effective. The findings suggest regulators should view investments in customer satisfaction as recoverable costs. (2021-02-02)

Physicists develop record-breaking source for single photons
Researchers at the University of Basel and Ruhr University Bochum have developed a source of single photons that can produce billions of these quantum particles per second. With its record-breaking efficiency, the photon source represents a new and powerful building-block for quantum technologies. (2021-01-28)

Scientists develop perovskite solar modules with greater size, power and stability
Researchers from the Okinawa Institute of Science and Technology Graduate University (OIST) have created perovskite solar modules with improved stability and efficiency by using a new fabrication technique that reduced defects. Their findings were published on the 25th January in Advanced Energy Materials. (2021-01-27)

Beauty in imperfection: How crystal defects can help convert waste heat into electricity
Half-Heusler Ni-based alloys are thermoelectric materials with the potential for converting waste heat into electricity. However, the origin of their impressive conversion efficiency is not entirely clear. In a recent study, scientists from Japan and Turkey have attempted to uncover the role that Ni defects have in the crystal structure of these alloys and how their desirable thermoelectric properties are a consequence of small changes in strain around defective sites. (2021-01-26)

Photocatalytic reaction in the shadow
Photoelectrochemical water splitting is a promising technology to convert solar energy into value-added fuels. Theoretically, silicon-based metal-insulator-semiconductor (MIS) photocathode can achieve high efficiency. However, the parasitic light absorption caused by catalysts and metals, as well as the lack of metals to form a large band-offset with p-Si, severely limit their performances. Scientists based in China have demonstrated an illumination-reaction decoupled MIS photocathode using n-Si to prevent the parasitic light absorption while establishing a large band-offset. (2021-01-25)

Highly efficient perovskite light-emitting diodes for next-generation display technology
Highly efficient perovskite light-emitting diodes for next-generation display technology. (2021-01-24)

Squid-inspired robot swims with nature's most efficient marine animals
Scientists at the University of Southampton and University of Edinburgh have developed a flexible underwater robot that can propel itself through water in the same style as nature's most efficient swimmer - the Aurelia aurita jellyfish. (2021-01-20)

Butterfly wing clap explains mystery of flight
The fluttery flight of butterflies has so far been somewhat of a mystery to researchers, given their unusually large and broad wings relative to their body size. Now researchers at Lund University in Sweden have studied the aerodynamics of butterflies in a wind tunnel. The results suggest that butterflies use a highly effective clap technique, therefore making use of their unique wings. This helps them rapidly take off when escaping predators. (2021-01-20)

USTC makes security analysis and improvement of quantum random number generation
Recently, the research team led by academician GUO Guangcan from the USTC of the Chinese Academy of Sciences has made security analysis and improvement of source independent quantum random number generators with imperfect devices. (2021-01-14)

Lack of managers keeps India's businesses small
In today's economy, American businesses often tap into professional management to grow, but most firms in India and other developing countries are family owned and often shun outside managers. A new study co-authored by Yale economist Michael Peters explores the effects that the absence of outside professional management has on India's businesses and the country's economy. (2021-01-14)

Seawater as an electrical cable !? Wireless power transfers in the ocean
Toyohashi University of Technology research team has successfully transferred power and data wirelessly through seawater by using a power transmitter/receiver with four layers of ultra-thin, flat electrodes. Until now, it had been thought that wireless power transfers could only be achieved through magnetic coupling. This time, with a focus on the high-frequency properties of seawater, a third method for conductive coupling was devised, and a power transmitter/receiver was developed to achieve highly-efficient power transfers. (2021-01-13)

The compound that makes chili peppers spicy also boosts perovskite solar cell performance
Research publishing January 13 in the journal Joule, determined that sprinkling capsaicin, the compound that makes peppers spicy, into the precursor of methylammonium lead triiodide (MAPbI3) perovskite during the manufacturing process led to a greater abundance of electrons (instead of empty placeholders) to conduct current at the semiconductor's surface. The addition resulted in polycrystalline MAPbI3 solar cells with the most efficient charge transport to date. (2021-01-13)

Impurities boost performance of organic solar cells
An electrochemical method for stabilizing a reactive molecule can help the development of higher efficiency solar cells. (2021-01-05)

Long live the efficient, pure-blue OLED
In work that could help to solve the challenge of finding blue light sources matching the performance of red and green ones for displays using organic light-emitting diodes, researchers in Japan have demonstrated devices that produce pure-blue emission with high efficiency, maintain brightness for relatively long times, and lack any expensive metal atoms--a set of properties that has so far been difficult to obtain simultaneously. (2021-01-04)

DUAL takes AI to the next level
Scientists at DGIST in Korea, and UC Irvine and UC San Diego in the US, have developed a computer architecture that processes unsupervised machine learning algorithms faster, while consuming significantly less energy than state-of-the-art graphics processing units. The key is processing data where it is stored in computer memory and in an all-digital format. The researchers presented the new architecture, called DUAL, at the 2020 53rd Annual IEEE/ACM International Symposium on Microarchitecture. (2020-12-30)

Flag leaves could help top off photosynthetic performance in rice
A team from the University of Illinois and the International Rice Research Institute (IRRI) found that some flag leaves of different varieties of rice transform light and carbon dioxide into carbohydrates better than others, potentially opening new opportunities for breeding higher yielding rice varieties. (2020-12-29)

Nanoparticles could improve oil production
A team of scientists from Siberian Federal University together with their colleagues from Novosibirsk studied the effect of nanoparticles on oil production efficiency. When added to the water that displaces oil from a reservoir, nanoparticles improve the separation of oil drops from mine rock and their washing to the surface. The work received a grant from the Russian Science Foundation, and an article about it was published in the Journal of Molecular Liquids. (2020-12-22)

Record-setting thermoelectric figure of merit achieved for metal oxides
Scientists at Hokkaido University have developed a layered cobalt oxide with a record-setting thermoelectric figure of merit, which can be used to enhance thermoelectric power generation. (2020-12-22)

Goldilocks and the three quantum dots: Just right for peak solar panel performance
Maximizing the efficiency of renewable energy technology is dependent on creating nanoparticles with ideal dimensions and density, new simulations have shown. (2020-12-20)

Inverted fluorescence
Fluorescence usually entails the conversion of light at shorter wavelengths to light at longer wavelengths. Scientists have now discovered a chromophore system that goes the other way around. When excited by visible light, the fluorescent dyes emit light in the ultraviolet region. According to the study published in the journal Angewandte Chemie, such light upconversion systems could boost the light-dependent reactions for which efficiency is important, such as solar-powered water splitting. (2020-12-18)

Lithuanian researchers propose combination of methods to improve anticancer drug delivery
Application of low-intensity pulsed ultrasound in combination with microbubbles might enhance the delivery of chemotherapy medication used for treating cancers. In their study, a team of Lithuanian researchers from three universities - KTU, LSMU and VMU - claim that the rate of microbubble survival time is the best indicator for determining the efficiency of sonoporation, i.e. ultrasound-induced laceration of the cancer cell membrane. (2020-12-17)

The mask matters: How masks affect airflow, protection effectiveness
Even though it has been widely known that wearing a face mask will help mitigate the community spread of COVID-19, less is known regarding the specific effectiveness of masks in reducing the viral load in the respiratory tracts of those wearing them. In Physics of Fluids, researchers examined the effect of wearing a three-layer surgical mask on inspiratory airflows and the effects on the inhalation and deposition of ambient particles in the upper respiratory airways. (2020-12-15)

Engineers go microbial to store energy, sequester CO2
By borrowing nature's blueprints for photosynthesis, Cornell University bioengineers have found a way to efficiently absorb and store large-scale, low-cost renewable energy from the sun - while sequestering atmospheric carbon dioxide to use later as a biofuel. (2020-12-15)

Energy-efficient magnetic RAM: A new building block for spintronic technologies
Researchers demonstrate a new way to enhance the energy efficiency of the non-volatile magnetic memory. (2020-12-10)

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