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Current Organic Compounds News and Events, Organic Compounds News Articles.
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Easily assembled gold nanoparticle scaffolding serves as molecular probe
The development of pharmaceutical treatments is difficult -- clinicians and researchers know a certain drug can regulate particular functions, but they might not know how it actually works. Researchers at Tokyo University of Agriculture and Technology (TUAT) have developed a new, streamlined method to better understand the molecular mechanisms underpinning these interactions. (2021-02-01)

Brightening the future of semiconductor-based photocatalytic processes
A collaboration between the Pericàs group with Prof. Timothy Noël and Dr. Paola Riente at the Eindhoven University of Technology (TU/e, The Netherlands), has crystallised in a Nature Communications paper where they provide key insight into the chemical nature of the true photocatalyst involved in the Bi2O3-driven atom-transfer radical addition (ATRA) reaction. (2021-02-01)

Skoltech imaging resources used in international experiment with new photocatalysts
Skoltech researchers helped their colleagues from Japan, Germany, the United States, and China study the crystal structure and optical properties of a new class of two-dimensional compounds, which can be used as effective visible-light-responsive photocatalysts for energy and chemical conversion. They used the Advanced Imaging Core Facility equipment for imaging and structural analysis. (2021-02-01)

Arctic warming and diminishing sea ice are influencing the atmosphere
Researchers of the Institute for Atmospheric and Earth system research at the University of Helsinki have resolved for the first time, how the environment affects the formation of nanoparticles in the Arctic. The results give additional insight into the future of melting sea ice and the Arctic atmosphere. Until recent studies, the molecular processes of particle formation in the high Arctic remained a mystery. (2021-01-29)

Synthesizing valuable chemicals from contaminated soil
Scientists at Johannes Gutenberg University Mainz (JGU) and ETH Zurich have developed a process to produce commodity chemicals in a much less hazardous way than was previously possible. In the current issue of Science, the researchers report that they have been able to utilize electrolysis, i.e., the application of an electric current, to obtain chemicals known as dichloro and dibromo compounds, which can then be used to synthesize commodity chemicals. (2021-01-29)

Biobased anti-thrombosis agent
Thrombosis, the clogging of blood vessels, is a major cause of heart attacks and embolism. Scientists have now engineered the first inhibitors of thrombin, a protease promoting thrombosis, that is three-fold efficient. In a study published in the journal Angewandte Chemie, the authors demonstrate that attacking three sites of the thrombin molecule is more efficient than attacking only two sites, which is the mode of action of many natural agents. (2021-01-29)

Coiling them up: Synthesizing organic molecules with a long helical structure
Scientists at Tokyo Institute of Technology produced and extensively characterized novel organic molecules with a long helical structure. Unlike previous helical molecules, these longer compounds exhibit special interactions between coils that could give rise to interesting optical and chemical properties with applications in light polarization, catalysis, and molecular springs. (2021-01-29)

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)

Efficient fluorescent materials and OLEDs for the NIR
Near-infrared emitters (NIR) will be of crucial importance for a variety of biomedical, security and defence applications, as well as for (in)visible light communications and the internet-of-things (IoT). Researchers from the UK and Italy have developed porphyrin oligomer NIR emitters which afford high efficiencies despite being totally free from heavy metals. They demonstrated organic light-emitting diodes (OLEDs) at 850 nm with 3.8% peak external quantum efficiency, together with a novel quantitative model of device efficiency. (2021-01-28)

Machine-learning to predict the performance of organic solar cells
Researchers from the Universitat Rovira i Virgili (URV) specialized in Artificial Intelligence have collaborated with researchers from Institute of Materials Science of Barcelona, specialized on materials for energy applications, to combine the experimental data points that they gather with artificial intelligence algorithms and enable an unprecedented predicting capability of the performance of organic solar cells. (2021-01-28)

How a cancer drug carrier's structure can help selectively target cancer cells
Porphyrins are interesting drug delivery vehicles that can specifically accumulate in cancer cells. However, how the structure of the drug-conjugated porphyrin affects its ability to penetrate and accumulate within cancer cells is not well understood. Researchers from Tokyo University of Science now investigate the correlation between the structure and tumor accumulation of porphyrin derivatives. Their findings can help to optimize drug delivery, possibly advancing cancer treatment. (2021-01-28)

Drugs used to treat HIV and flu can have detrimental impact on crops
Scientists from the UK and Kenya found that lettuce plants exposed to a higher concentration of four commonly-used antiviral and antiretroviral medicines could be more than a third smaller in biomass than those grown in a drug-free environment. (2021-01-28)

Experiments show the record of early life could be full of "false positives"
For most of Earth's history, life was limited to the microscopic realm, with bacteria occupying nearly every possible niche. Life is generally thought to have evolved in some of the most extreme environments, like hydrothermal vents deep in the ocean or hot springs that still simmer in Yellowstone. (2021-01-28)

Well connected through amides
Linking molecular components through amide bonds is one of the most important reactions in research and the chemical industry. In the journal Angewandte Chemie, scientists have now introduced a new type of reaction for making amide bonds. Called an ASHA ligation, this reaction is fast, efficient, works under mild aqueous conditions, and is broadly applicable. (2021-01-27)

Going Organic: uOttawa team realizing the limitless possibilities of wearable electronics
uOttawa Professor Benoît Lessard and his team are developing carbon-based technologies which could lead to improved flexible phone displays, make robotic skin more sensitive and allow for wearable electronics that could monitor the physical health of athletes in real-time. (2021-01-27)

Intercontinental study sheds light on the microbial life of sourdough
In a study of 500 sourdough starters spanning four continents, scientists have garnered new insights into the environmental factors that contribute to each sourdough starter's microbial ecosystem, and how different types of microbes influence both a sourdough's aroma and how quickly the sourdough rises. The results may surprise sourdough enthusiasts. (2021-01-26)

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)

A world first in circadian clock manipulation
A new method developed by Nagoya University and Groningen University scientists allows for reversible manipulation of the circadian clock period using a light-activated switch. Compounds which act on clock proteins were identified through large-scale chemical screening, and modified to include a light-activated switch, which was further modified to react to non-harmful visible light, creating a non-toxic and fully reversible circadian clock control process. (2021-01-24)

Cargo delivery by polymers
Degradable, bio-based polymers offer options for chemical recycling, and they can be a tool to store and release useful molecules. Scientists have developed a class of sugar-based polymers that are degradable through acid hydrolysis. The researchers also integrated ''cargo'' molecules in the polymer, which are designed to split off after polymer degradation. Degradable, cargo-bearing polymers are important for medical and sensor applications, says the study published in the journal Angewandte Chemie. (2021-01-22)

Reducing traps increases performance of organic photodetectors
Physicists at the Dresden Integrated Center for Applied Physics and Photonic Materials (IAPP) discovered that trap states rule the performance of organic photodetectors, ultimately limiting their detectivity. These highly promising results have now been published in the renowned scientific journal Nature Communications. (2021-01-22)

A professor from RUDN University developed new liquid crystals
A professor from RUDN University together with his Indian colleagues synthesized and studied new dibenzophenazine-based liquid crystals that could potentially be used in optoelectronics and solar panels. (2021-01-22)

Gold nanoparticles more stable by putting rings on them
Hokkaido University scientists have found a way to prevent gold nanoparticles from clumping, which could help towards their use as an anti-cancer therapy. (2021-01-21)

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

Researchers develop new graphene nanochannel water filters
Brown University researchers have shown that tiny channels between graphene sheets can be aligned in a way that makes them ideal for water filtration. (2021-01-21)

Early humans used chopping tools to break animal bones and consume the bone marrow
- Using advanced scientific methods, researchers from Tel Aviv University found that stone tools of the type known as 'chopping tools' were used to break open the bones of animals. - The researchers: ''The bones must be broken neatly in two, which requires great skill and precision''. - Tools of this type were used for over two million years. They were found in large quantities at prehistoric sites all over the Old World, but no one understood their exact function. (2021-01-20)

Beetles reveal how to hide the body
A corpse is a home to the burying beetle, and UConn researchers are learning how this specialist critter keeps its home free of unwanted visitors. (2021-01-20)

Semiconductor chip that detects exhaled gas with high sensitivity at room temperature
The research team at Toyohashi University of Technology developed a testing chip using semiconductor micro-machining that can detect volatile gasses in exhaled breath in ppm concentrations at room temperature. The testing chip, which is formed in the size of a few square millimeters with semiconductor micro-machining technology, is expected to contribute to telehealth as an IoT gas sensor that can easily be used in the home for breath tests. (2021-01-19)

New biodegradable polyurethane foams are developed from wheat straw
The polyurethane foams have several industrial uses. Now, a new paper, published on the front page of Polymers, was able to obtain them from biomass in order to avoid using petroleum by-products in their manufacturing (2021-01-19)

New tool removes chemotherapy drugs from water systems
'What goes in, must come out' is a familiar refrain. It is especially pertinent to the challenges facing UBC researchers who are investigating methods to remove chemicals and pharmaceuticals from public water systems. Cleaning products, organic dyes and pharmaceuticals are finding their ways into water bodies with wide-ranging negative implications to health and the environment, explains Dr. Mohammad Arjmand, an assistant professor of mechanical engineering at UBC Okanagan. (2021-01-18)

Purely organic hole transporter
Durable, high-performing perovskite solar cells also require durable, high-performing charge-transporting layers. Scientists have developed the first organic hole transporter that does not need a dopant to attain high charge mobility and stability. According to the study published in the journal Angewandte Chemie, this novel hole-transporting layer outperforms reference materials and protects the perovskite organic cell from air humidity. (2021-01-18)

Proposing a new drug to treat tuberculosis utilizing state-of-the-art computer simulations
Research team lead by Toyohashi University of Technology have proposed a new drug to treat tuberculosis. This drug may inhibit the cell division of Mycobacterium tuberculosis (M. tuberculosis) and suppress its growth. In addition, because this drug acts on the enzymes secreted by M. tuberculosis, M. tuberculosis has very little chance of mutation and develops no drug resistance. Therefore, it's expected this drug will lead to a novel drug that will keep its effectiveness. (2021-01-18)

Newly developed GaN based MEMS resonator operates stably even at high temperature
JST PRESTO researcher developed a MEMS resonator that stably operates even under high temperatures by regulating the strain caused by the heat from gallium nitride (GaN). This device is small, highly sensitive and can be integrated with CMOS technology promising for the application to 5G communication, IoT timing device, on-vehicle applications, and advanced driver assistance system. (2021-01-15)

WSU scientists identify contents of ancient Maya drug containers
Scientists have identified the presence of a non-tobacco plant in ancient Maya drug containers for the first time. The researchers detected Mexican marigold (Tagetes lucida) in residues taken from 14 miniature Maya ceramic vessels. The vessels also contain chemical traces present in two types of dried and cured tobacco. (2021-01-15)

Scientists synthetize new material for high-performance supercapacitors
Scientists of Tomsk Polytechnic University jointly with colleagues from the University of Lille (Lille, France) synthetized a new material based on reduced graphene oxide (rGO) for supercapacitors, energy storage devices. The rGO modification method with the use of organic molecules, derivatives of hypervalent iodine, allowed obtaining a material that stores 1.7 times more electrical energy. The research findings are published in Electrochimica Acta academic journal (IF: 6,215; Q1). (2021-01-15)

Catalyticity of molybdenum-dinitrogen complexes in organic reactions
Molybdenum dinitrogen complexes supported by monodentate arylsilylamido ligand, [Ar(Me3Si)N]3MoN2Mg(THF)2[N(SiMe3)Ar] and [Ar(Me3Si)N]3MoN2SiMe3 (Ar = 3,5-Me2C6H3) were synthesized and structurally characterized, which were proved to be effective catalysts for the disproportionation of cyclohexadienes and isomerization of terminal alkenes. 1H NMR spectrum suggested that the bridging nitrogen ligand remains intact during the catalytic reaction, indicating the possible catalytic ability of Mo-N=N motif. (2021-01-14)

Wits University scientists artificially infect mosquitoes with human malaria to advance treatment
Scientists at the Wits Research Institute for Malaria (WRIM) in partnership with the University of Pretoria and colleagues in the US, Spain and Switzerland have identified novel antiplasmodial lead compounds for mass drug administration and vector control to eliminate malaria. (2021-01-14)

The regulatory network of sugar and organic acid in watermelon fruit is revealed
The innovation project watermelon and melon cultivation and physiology team of Zhengzhou Fruit Research Institute has made new progress in the metabolism regulation of sugar and organic acid in watermelon fruit. (2021-01-14)

Wetland methane cycling increased during ancient global warming event
Wetland methane cycling increased during a rapid global warming event 56 million years ago and could foreshadow changes the methane cycle will experience in the future, according to new research led by the University of Bristol. (2021-01-13)

Spilling the beans on coffee's true identity
People worldwide want their coffee to be both satisfying and reasonably priced. To meet these standards, roasters typically use a blend of two types of beans, arabica and robusta. But, some use more of the cheaper robusta than they acknowledge, as the bean composition is difficult to determine after roasting. Now, researchers reporting in ACS' Journal of Agricultural and Food Chemistry have developed a new way to assess exactly what's in that cup of joe. (2021-01-13)

iCeMS makes highly conductive antiperovskites with soft anion lattices
A new structural arrangement of atoms shows promise for developing safer batteries made with solid materials. Scientists at Kyoto University's Institute for Integrated Cell-Material Sciences (iCeMS) designed a new type of 'antiperovskite' that could help efforts to replace the flammable organic electrolytes currently used in lithium ion batteries. Their findings were described in the journal Nature Communications. (2021-01-12)

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