Popular Organic Compounds News and Current Events | Page 25

Popular Organic Compounds News and Current Events, Organic Compounds News Articles.
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A novel molecule could spur new class of drugs for breast cancer
Researchers at Stevens Institute of Technology and colleagues have designed and developed a new class of molecules that use a never-before-known mechanism that may halt or destroy breast cancer tumors, particularly for patients with drug-resistant or dangerously metastatic stages of the disease. (2018-10-03)

Biocompound from Atlantic Rainforest combats leishmaniasis and Chagas disease
Researchers find that substances synthesized from plant species endemic to the biodiversity hotspot can kill the parasites that cause these neglected diseases. (2019-07-15)

'Nanochains' could increase battery capacity, cut charging time
A new method could allow better materials to make up battery electrodes by converting them into a nanochain structure, extending battery lifetime and increasing stability. (2019-09-19)

An electronic signal expands the material by a factor of 100
Researchers at the Laboratory of Organic Electronics, Linkoping University, have discovered a material that can both increase and reduce its volume when exposed to a weak electrical pulse. In a sponge, or filter, the researchers can control the size of particles that pass through. (2019-10-29)

Low level of oxygen in Earth's middle ages delayed evolution for 2 billion years
A low level of atmospheric oxygen in Earth's middle ages held back evolution for 2 billion years, raising fresh questions about the origins of life on this planet. New research by the University of Exeter explains how oxygen was trapped at such low levels. (2017-02-02)

Artificial synapse rivals biological ones in energy consumption
POSTECH researchers have succeeded in fabricating an organic nanofiber electronic device that emulates not only the important working principles and energy consumption of biological synapses but also the morphology. They recently published their findings in Science Advances, a new sister journal of Science. (2016-06-19)

Two important signalling pathways in cancer and ageing are connected for the first time
Two years ago, a group led by Maria A. Blasco at the Spanish National Cancer Research Centre (CNIO) hit upon several compounds that caused injury to the telomeres and now, in a study published in Nature Communications, they show that these drugs achieve this effect by acting on PI3K, a key protein in cancer and ageing. This is the first time that a functional link has been described between this pathway and the telomeres. (2017-11-02)

'Butterfly-shaped' palladium subnano cluster built in 3-D
A Japanese research team at The University of Tokyo produced a 3-D cluster molecule based on palladium. First, they created a 'butterfly-shaped' Pd4 framewok, using an organosilicon compounds bearing the aromatic substitutents as both template and support for the palladium atoms. Then, using another template, they connected two butterfly-shaped Pd4 skeleton, via chlorine, into a Pd6 cluster based on edge-sharing tetrahedra. This strategy using organosilicons to design customized subnano-architectures may enable design of a range of functional materials and catalysts. (2019-02-20)

When changing one atom makes molecules better
The group of Nuno Maulide, recently named the Scientist of the Year 2018 in Austria, in collaboration with the group of Harald Sitte, has now reported a facile method for the replacement of hydrogen with fluorine in important drug molecules. This new discovery enables the fine-tuning of existing (and potential new) pharmaceuticals to endow them with improved pharmacological properties. The results have been recently published in the renowned journal 'Nature Chemistry'. (2019-03-05)

Study: Reducing energy required to convert CO2 waste into valuable resources
Surplus industrial carbon dioxide creates an opportunity to convert waste into a valuable commodity. Excess CO2 can be a feedstock for chemicals typically derived from fossil fuels, but the process is energy-intensive and expensive. University of Illinois chemical engineers have assessed the technical and economic feasibility of a new electrolysis technology that uses a cheap biofuel byproduct to reduce the energy consumption of the waste-to-value process by 53 percent. (2019-04-22)

RUDN University soil scientist: Paddy soil fertilization can help reduce greenhouse effect
A soil scientist from RUDN University discovered the effect of fertilization on the ability of the soil to retain carbon. To understand this mechanism, he and his team studied the movement of organic carbon in the soil of rice paddies. The results of the study can help increase the fertility of the paddies while at the same time reducing the volume of greenhouse gases in the atmosphere. (2020-10-16)

At last, an inventory of the ocean's dissolved sulfur
The dissolved fraction of organic sulfur in the ocean is the most abundant form of sulfur there by a factor of ten, a new study finds. (2016-10-06)

Fluorescence dyes from the pressure cooker
Perylene bisimides are a heavily investigated and sought after class of organic pigments, since they show interesting dye properties. While these compounds are red pigments in the solid state, when dissolved, they generate bright yellowish-green solutions under UV irradiation. Aside their optical appeal; organic molecules that appear colored in daylight often also show intriguing electronic properties. Therefore, organic dyes are promising lightweight materials for application as e.g. organic semiconductors, but also in for instance LCD displays or solar cells. (2017-01-30)

Scientists develop new recycling technology
Scientists of Ural Federal University of Ekaterinburg and Tyumen Industrial University (Russia) have proposed a new method for co-processing organic municipal solid waste (MSW) (food, plastic waste, scrap tires, etc.) with long residuum (tar). (2019-01-31)

Best performance of organic material for lithium battery anode using materials informatics
A research group established a new design strategy for organic materials for the anode of lithium-ion secondary cells through the use of Materials Informatics (MI). A high-capacity and high-stability material was successfully obtained via an extremely small number of experiments. (2019-09-20)

Lighting the way to porous electronics and sensors
Researchers from Osaka University have created porous titanium dioxide ceramic thin films, at high temperatures and room temperature. The thin ceramic films strongly adhere to glass and plastic surfaces. Gas sensing performance is dramatically improved compared with nonporous titanium-based sensors. The adherent porous films will be useful in many useful applications, such as viral detection and as whitening agents. (2020-06-03)

Microwaves are useful to combine amino acids with hetero-steroids
Aza-steroids are important class of compounds because of their numerous biological activities. The hetero steroids have different hydrogen bonding ability and hydrophobicity in comparison to steroids. (2020-09-29)

Hope to discover sure signs of life on Mars? New research says look for the element vanadium
A new paper in the journal Astrobiology suggests NASA and others hunting for proof of Martian biology in the form of 'microfossils' could use the element vanadium in combination with Raman spectroscopy to confirm traces of extraterrestrial life. (2017-09-21)

Anti-stress compound reduces obesity and diabetes
FKBP51-protein inhibitors could be used for treating diabetes. (2017-12-13)

HKU develops an ultra-thin sensor that makes inflammation testing and curing 30 times faster
Researchers from Engineering and Medicine at the University of Hong Kong collaborate and develop a real-time ultraflexible sensor that makes inflammation testing and curing 30 times faster. (2018-07-06)

Cannabinoid compounds may inhibit growth of colon cancer cells
Medical marijuana has gained attention in recent years for its potential to relieve pain and short-term anxiety and depression. Now, Penn State College of Medicine researchers say some cannabinoid compounds may actually inhibit the growth of colon cancer cells in the lab. (2019-02-05)

Plasma protein may hold promise for wound scaffolds
Researchers in Germany have employed a plasma protein found in blood to develop a new method for making wound-healing tissue scaffolds. The team's new scaffold can be attached or detached from a surface, for either in vitro laboratory tissue studies or direct applications in the body. Their discovery, reported today in the journal Biofabrication, could be extremely useful for future use in wound healing and tissue engineering. (2019-03-04)

A new stable form of plutonium discovered at the ESRF
An international team of scientists, led by the Helmholtz Zentrum Dresden-Rossendorf (HZDR), have found a new compound of plutonium with an unexpected, pentavalent oxidation state, using the ESRF, the European Synchrotron., Grenoble, France This new phase of plutonium is solid and stable, and may be a transient phase in radioactive waste repositories. The results are published this week in Angewandte Chemie as a Very Important Paper (VIP). (2019-10-18)

Quantum dots with impermeable shell: A powerful tool for nanoengineering
Depending on their applications, quantum dots need to be tailored in terms of their structure and properties. Chemists from Warsaw have shown that quantum dots obtained by their novel method can be successfully functionalized with modern click chemistry. This achievement is of interest not only due to the numerous potential applications, but also because in hitherto experiments copper compounds used as catalyst in click reactions have always destroyed the ability of quantum dots to emit light. (2016-08-10)

E-cigarettes safer than smoking says long-term study
E-cigarettes are less toxic and safer to use compared to conventional cigarettes, according to research. (2017-02-06)

New chemical compounds make catalysts more efficient
A team from Ruhr-Universität Bochum has developed new chemical compounds that make catalysts more efficient. With their electronic and spatial properties, the new class of what are known as phosphine ligands ensures that catalysts are more active and more stable. In the journal ''Angewandte Chemie'', they described how the new ligands act on gold catalysts. The group assumes that the results can be transferred to other catalysts and that the already patent-pending systems are worth considering for broader industrial application. (2018-07-09)

Metallic nanoparticles light up another path towards eco-friendly catalysts
Scientists at Tokyo Technology produced subnano-sized metallic particles that are very effective as catalysts for the oxidation of hydrocarbons. These catalysts can be as much as 50 times more effective than well-known Au-Pd bimetallic nanocatalysts. (2018-11-15)

Organic food worse for the climate
Organically farmed food has a bigger climate impact than conventionally farmed food, due to the greater areas of land required. This is the finding of a new international study involving Chalmers University of Technology, Sweden, published in the journal Nature. (2018-12-13)

Alien imposters: Planets with oxygen don't necessarily have life
Lab simulations nix the common wisdom that atmospheric oxygen and organic compounds are good evidence that a planet harbors life. (2018-12-17)

New applications for encapsulated nanoparticles with promising properties
The Polymerisation Process research group of the POLYMAT institute of the UPV/EHU-University of the Basque Country has managed to efficiently encapsulate semiconductor nanocrystals or quantum dots of various sizes into polymer particles; great stability in terms of their optical properties and good fluorescence control when combining different quantum dots have been achieved. The possible applicability of these materials as sensors of volatile organic compounds has also been explored. (2019-01-22)

Single-atom catalyst based on homogeneous catalysis prototype for CO2 transformation developed
HUANG Yanqiang and colleagues in Professor ZHANG Tao's research group at the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences recently developed a strategy to rationally design a single-atom catalyst for applications. The method involves creating single-atom active sites on supports based on homologous homogeneous prototypes. (2019-01-24)

MOFs can sense and sort troublesome gases
Fluorinated metal-organic frameworks make excellent materials for selective sensing and removal of toxic gases. (2019-04-10)

Let there be light: Synthesizing organic compounds
The appeal of developing improved drugs to promote helpful reactions or prevent harmful ones has driven organic chemists to better understand how to synthetically create these molecules and reactions in the laboratory. A team from Yokohama National University in Japan has taken a step toward making this wish a reality with their latest study, published on July 19 in the Journal of Organic Chemistry. (2019-09-19)

Male deer stain their bellies according to their competitive context
The Fish and Game Resources Research Unit at the University of Cordoba connects different chemicals on deer's ''dark bellies'' to the level of competition among the population (2019-10-21)

A new strategy for the greener use of calcium carbide
Computational chemists from St Petersburg University and the Zelinsky Institute of Organic Chemistry of the Russian Academy of Sciences have developed a new strategy for using calcium acetylide in the synthesis of organic compounds. The researchers proposed a new approach by analysing the interaction of calcium acetylide with water and dimethyl sulfoxide on the atomic scale. (2020-11-25)

Blocking carbon dioxide fixation in bacteria increases biofuel production
Reducing the ability of certain bacteria to fix carbon dioxide can greatly increase their production of hydrogen gas that can be used as a biofuel. Researchers from the University of Washington, Seattle, report their findings in the current issue of online journal mBio. (2011-03-29)

Chemists have created compounds that can treat glaucoma
Glaucoma is a serious disease associated with increased intraocular pressure which often leads to blindness. One of the ways to treat glaucoma is to reduce aqueous humour secretion in the ciliary body of the eye by suppressing (inhibiting) activity of special enzymes -- carbonic anhydrases. Russian scientists from RUDN University have designed new compounds that can effectively reduce intraocular pressure by isoform selective inhibiting human carbonic anhydrase. (2017-11-03)

Learning transistor mimics the brain
A new transistor based on organic materials has been developed by scientists at Linköping University. It has the ability to learn, and is equipped with both short-term and long-term memory. The work is a major step on the way to creating technology that mimics the human brain. (2019-02-05)

Water creates traps in organic electronics
Poor-quality organic semiconductors can become high-quality semiconductors when manufactured in the correct way. Researchers at Linköping University show in an article in Nature Materials that the motion of charges in organic electronic devices is dramatically slowed down by minute amounts of water. (2019-04-29)

A metal-free, sustainable approach to CO2 reduction
Researchers in Japan present an organic catalyst for carbon dioxide (CO2) reduction that is inexpensive, readily available and recyclable. As the level of catalytic activity can be tuned by the solvent conditions, their findings could open up many new directions for converting CO2 to industrially useful organic compounds. (2019-06-13)

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