Current Public Transport News and Events

Current Public Transport News and Events, Public Transport News Articles.
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A new piece of the HIV infection puzzle explored
Researchers from the European Molecular Biology Laboratory and Heidelberg University Hospital combine high-resolution imaging to observe the infection process in cell nuclei, opening the door for new therapeutics. (2021-02-18)

Plant as superhero during nuclear power plant accidents
A collaborative study by a group of scientists from Iwate University, The University of Tokyo and Shimane University, Japan demonstrated for the first time that two ATP binding cassette proteins ABCG33 and ABCG37 function as potassium-independent cesium uptake carriers. (2021-02-16)

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)

A new modifier increases the efficiency of perovskite solar cells
The research team of NUST MISIS has presented an improved structure of perovskite solar cells. Scientists have modified perovskite-based solar cells using MXenes -- thin two-dimensional titanium carbides with high electrical conductivity. The MXenes-based modified cells showed superior performance, with power conversion efficiency exceeding 19% (the reference demonstrated 17%) and improved stabilized power output with respect to reference devices. The results have been published in the Nano energy international scientific journal. (2021-02-09)

Ditching the car for walking or biking just one day a week cuts carbon footprint
Swapping the car for walking, cycling and e-biking even just one day a week makes a significant impact on personal carbon emissions in cities. (2021-02-08)

Double delight: New synthetic transmembrane ion channel can be activated in two ways
Scientists at Tokyo Institute of Technology (Tokyo Tech) and University of Tokyo, Japan, have, for the first time, synthesized a novel artificial transmembrane ion channel--modelled on a naturally found transmembrane channel involved in neuron signaling--that responds to both chemical and electrical stimuli. Given its overall properties, this artificial channel opens doors to novel fundamental research into cellular transport and signaling, new possibilities in drug development, and the potential for new types of biosensors. (2021-02-01)

When rhinos fly: Upside down the right way for transport
When it comes to saving endangered species of a certain size, conservationists often have to think outside the box. (2021-02-01)

Socioeconomic, demographic and urban factors influence the spread of COVID-19
Per capita income, population volume and density, the structure of cities, transport infrastructure or whether districts have their own schools are all factors that can affect the spread of COVID-19. This has been confirmed by a study carried out in 73 districts in Barcelona (Spain) by researchers from the Universitat Rovira i Virgili, the results of which have been published in the Journal of Public Health. (2021-01-31)

Accurate drug dosages with proton traps
Researchers at Linköping University, Sweden, have developed a proton trap that makes organic electronic ion pumps more precise when delivering drugs. The new technique may reduce drug side effects, and in the long term, ion pumps may help patients with symptoms of neurological diseases for which effective treatments are not available. The results have been published in Science Advances. (2021-01-29)

NTU study finds Singapore public less keen on drone use in residential areas than industrial zones
When it comes to drones, the Singapore public is not as keen for them to be used to provide services around their living spaces, finds a study by researchers at the Nanyang Technological University, Singapore (NTU Singapore). However, they are more accepting of drones being used in areas like recreational spots or industrial areas. (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)

Deep-sea plastic accumulations by turbidity currents: NW South China sea
Benthic plastic litter is a main source of pollutants in oceans, but how it disperses is largely unknown. This study by Guangfa Zhong and Xiaotong Peng, published today in Geology, presents novel findings on the distribution patterns and dispersion mechanisms of deep-sea plastic waste in a submarined canyon located in the northwestern South China Sea. (2021-01-26)

Taking sieving lessons from nature
Nanostructure-templated electrochemical polymerization enhances speed and selectivity in organic membrane-based processes. (2021-01-21)

Message in a bottle: Info-rich bubbles respond to antibiotics
In a new study, Luis H. Cisneros and his colleagues describe the effects of antibiotics on membrane vesicles, demonstrating that such drugs actively modify the properties of vesicle transport. Under the influence of antibiotics, MVs were produced and released by bacteria in greater abundance and traveled faster and further from their origin. The work sheds new light on these important information-carrying entities, implicated in many cellular communication processes, including antibiotic resistance. (2021-01-20)

Light-induced twisting of Weyl nodes switches on giant electron current
Scientists at the U.S. Department of Energy's Ames Laboratory and collaborators at Brookhaven National Laboratory and the University of Alabama at Birmingham have discovered a new light-induced switch that twists the crystal lattice of the material, switching on a giant electron current that appears to be nearly dissipationless. (2021-01-19)

Direct quantification of topological protection in photonic edge states at telecom wavelengths
Photonic topological insulators are currently at the forefront of on-chip photonic research due to their potential for loss-free information transport. Realized in photonic crystals, they enable robust propagation of optical states along domain walls. But how robust is robust? In order to answer this, researchers from TU Delft and AMOLF in the Netherlands quantified photonic edge state transport using phase-resolved near-field optical microscopy. The findings provide a crucial step towards error-free integrated photonic quantum networks (2021-01-18)

Basis for the essential cellular powerhouses
Researchers have solved the operating mode of the barrel pore protein assembly in the mitochondrial outer membrane (2021-01-15)

Researchers link cellular transport pathway to aggressive brain cancer
Researchers at McGill University have identified a new cellular pathway that limits the growth and spread of brain tumors by controlling the recycling of cell surface receptor proteins. The study, which will be published January 14 in the Journal of Cell Biology (JCB), suggests that the pathway, which involves a protein called Rab35, is defective in many patients with glioblastoma and that restoring Rab35's activity could be a new therapeutic strategy for this deadly form of brain cancer. (2021-01-14)

Long-range energy transport in perovskite nanocrystal films
High efficiency solar cells and light-emitting devices are end-goal targets towards a more sustainable world. Nanostructures possess distinct advantages due to their exceptional optical and electronic properties under the influence of light. Yet, their wide-spread application in real-world devices is limited by their poor transport properties. Scientists discovered that nanocrystals made with halide perovskites, a recently discovered revolutionary semiconductor, can lead to long-range energy transfer, opening new avenues for future devices implementing disruptive nanotechnologies. (2021-01-12)

Singapore and US scientists uncover the structure of Wnt, Wntless proteins
Preventing Wnt from hitching a ride may offer new avenue for novel treatments for cancer and fibrosis. (2021-01-11)

Positive 'tipping points' offer hope for climate
Positive 'tipping points' could spark cascading changes that accelerate action on climate change, experts say. (2021-01-10)

Possible explanation for more efficient maize growth
Plant researchers at Heinrich Heine University Düsseldorf (HHU) have investigated the transport of compounds in maize. They focused on the mechanism used to transport the products of photosynthesis for further distribution in the plant through its phloem loading pathways. In the current edition of the journal ''The Plant Cell'', they describe how this mechanism has potentially created a special evolutionary advantage for maize. (2021-01-08)

Protein twist and squeeze confers cancer drug resistance
In 1986, cellular biochemist Kazumitsu Ueda, currently at Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS), discovered that a protein called ABCB1 could transport multiple chemotherapeutics out of some cancer cells, making them resistant to treatment. How it did this has remained a mystery for the past 35 years. Now, his team has published a review in the journal FEBS Letters, summarizing what they have learned following years of research on this and other ATP-binding cassette (ABC) transporter proteins. (2020-12-29)

Study examines the most effective COVID-19 control policies
A timely new study published by PLOS ONE examines the effectiveness of COVID-19 control policies in 40 jurisdictions including countries and U.S. states. In most places, socially intolerable measures such as stay-at-home orders, targeted or full workplace and school closings are required to curtail the growth of the virus. (2020-12-29)

Newly discovered receptor helps to sneak a peek at evolution
Certain proteins call for unusual ways to get incorporated into membranes, because the signal sequence required for this process is located at their rear end instead of at the front. The relevant mechanism and its components are well-known and well-studied in yeast and mammals. Scientists have already hypothesised that it also occurs in plants, but there was no evidence of an indispensable receptor, until now. (2020-12-22)

Pandemic and forthcoming stimulus funds could bring climate targets in sight -- or not
The lockdowns that resulted from the COVID-19 pandemic have reduced greenhouse gas emissions. However, in the recovery phase, emissions could rise to levels above those projected before the pandemic. It all depends on how the stimulus money that governments inject into their economies is spent. A team of scientists, led by Dr. Yuli Shan and Professor Klaus Hubacek, University of Groningen, has quantified how different recovery scenarios may affect global emissions and climate change. (2020-12-22)

Researchers illuminate neurotransmitter transport using X-ray crystallography and molecular simulations
Scientists from the MIPT Research Center for Molecular Mechanisms of Aging and Age-Related Diseases have joined forces with their colleagues from Jülich Research Center, Germany, and uncovered how sodium ions drive glutamate transport in the central nervous system. Glutamate is the most important excitatory neurotransmitter and is actively removed from the synaptic cleft between neurons by specialized transport proteins called excitatory amino acid transporters (EAATs). (2020-12-21)

New discovery brings analogue spintronic devices closer
The observation of nonlinearity in electron spin-related processes in graphene makes it easier to transport, manipulate and detect spins, as well as spin-to-charge conversion. It also allows analogue operations such as amplitude modulation and spin amplification. This brings spintronics to the point where regular electronics was after the introduction of the first transistors. These results by University of Groningen physicists were published in the journal Physical Review Applied on 17 December. (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)

Investigating the carbon intensity of ferries
Ferry emissions are over-proportional with respect to the number of these ships. Half of the European ferry emissions stem from the Mediterranean, this largely reflecting a greater number of ships operating in this sea. Which factors affects ferry carbon intensity and energy efficiency? New insights and perspective from a study realized by the CMCC Foundation in the framework of GUTTA project activities. (2020-12-17)

International study reveals the effects of COVID-19 on the experience of public transport
A team of European researchers working on a project about public transport as public space have recently completed a study on the perception and use of public transport during the first wave of COVID-19. (2020-12-16)

Information transport in antiferromagnets via pseudospin-magnons
A team of researchers from the Technical University of Munich (TUM), the Bavarian Academy of Sciences and Humanities (BAdW), and the Norwegian University of Science and Technology (NTNU) in Trondheim has discovered an exciting method for controlling spin carried by quantized spin wave excitations in antiferromagnetic insulators. (2020-12-16)

When you can't afford to go on lockdown
Researchers at HSE University and Lomonosov Moscow State University analyzed data on Russians' movements during the first wave of the COVID-19 pandemic. Their analysis showed that residents of lower-income municipalities self-isolated less compared to residents of higher-income cities. The findings were published in the journal Environment and Planning A. (2020-12-14)

Self-collected saliva samples prove effective for diagnosing COVID-19
Researchers at Memorial Sloan Kettering Cancer Center (MSK) have found that SARS-CoV-2 genetic material can be reliably detected in self-collected saliva samples at a rate similar to that of nasopharyngeal and oropharyngeal swabs. The rate of detection using saliva samples was similar across different testing platforms, and saliva samples remained stable for up to 24 hours when stored with ice packs or at room temperature, according to a new study in The Journal of Molecular Diagnostics. (2020-12-10)

Shining a light on what's really happening in perovskite solar cells
Researchers from the University of Tsukuba used electron spin resonance spectroscopy to follow the internal deterioration mechanism of perovskite solar cells while they were in operation. They showed correlation between changes in the spin states and the performance of the solar cells. It is hoped that the findings will provide a useful starting point for the continued development of perovskite solar cells and ultimately contribute to viable green energy solutions. (2020-12-09)

Dynamics in the root zone
Nutrient contamination of groundwater as a result of nitrogen-based fertilisers is a problem in many places in Europe. Calculations by a team of scientists led by the UFZ have shown that over a period of at least four months per year, nitrate can leach into the groundwater and surface water on about three-quarters of Europe's agricultural land. The proportion of areas at risk from nitrate leaching is thus almost twice as large as previously assumed. (2020-12-09)

Healthcare workers 7 times as likely to have severe COVID-19 as other workers
Healthcare workers are 7 times as likely to have severe COVID-19 infection as those with other types of 'non-essential' jobs, finds research focusing on the first UK-wide lockdown and published online in the journal Occupational & Environmental Medicine. (2020-12-08)

Shining a light on the weird world of dihydrogen phosphate anions
UNSW scientists show that dihydrogen phosphate anions actually bind to one another when their negative charges suggest they shouldn't. (2020-12-07)

Hydrogen-powered heavy duty vehicles could contribute significantly to achieving climate goals
A partial transition of German road transport to hydrogen energy is among the possibilities being discussed to help meet national climate targets. Researcher from the IASS have examined the hypothetical transition to a hydrogen-powered transport sector through several scenarios. Their conclusion: A shift towards hydrogen-powered mobility could significantly reduce greenhouse gas emissions and greatly improve air quality - in particular, heavy duty vehicles represent a low-hanging fruit for decarbonization of German road transport. (2020-12-01)

SLC25A51 regulates the transport of the coenzyme NAD into the mitochondria
Scientists at CeMM have now discovered that the previously uncharacterized protein SLC25A51 acts as a transporter into the mitochondria for the coenzyme NAD. This molecule has already been associated with processes such as aging, neurological diseases and the metabolism of cancer cells. Therefore, the results of this study not only open up new possibilities to study the biological role of NAD but also potentially provide the basis for new therapeutic approaches. (2020-12-01)

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