Current Ethylene News and Events

Current Ethylene News and Events, Ethylene News Articles.
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Princeton team advances new route to chemically recyclable plastics
As the planet's burden of rubber and plastic trash rises unabated, scientists increasingly look to the promise of closed-loop recycling to reduce waste. A team of researchers at Princeton's Department of Chemistry announces the discovery of a new polybutadiene molecule - from a material known for over a century and used to make common products like tires and shoes - that could one day advance this goal through depolymerization. (2021-01-25)

Plant roots sense compacted soil through gaseous hormone signals
The volatile plant hormone ethylene allows plant roots to sense and avoid compacted soils, researchers report. (2021-01-14)

Hard to crack research reveals how crop roots penetrate hard soils
Scientists have discovered a signal that causes roots to stop growing in hard soils which can be 'switched off' to allow them to punch through compacted soil - a discovery that could help plants to grow in even the most damaged soils. (2021-01-14)

New process more efficiently recycles excess CO2 into fuel, study finds
For years, researchers have worked to repurpose excess atmospheric carbon dioxide into new chemicals, fuels and other products traditionally made from hydrocarbons harvested from fossil fuels. The recent push to mitigate the climactic effects of greenhouse gases in the atmosphere has chemists on their toes to find the most efficient means possible. A new study introduces an electrochemical reaction, enhanced by polymers, to improve CO2-to-ethylene conversion efficiency over previous attempts. (2021-01-11)

Researchers regenerate deactivated catalyst in methanol-to-olefins process
Researchers from DICP regenerated deactivated catalyst in industrially important methanol-to-olefins (MTO) process by directly transforming the coke deposited on the zeolite catalyst to active intermediates rather than burning off to carbon oxide. (2021-01-04)

TPU chemists convert plastic bottle waste into insecticide sorbent
Scientists of Tomsk Polytechnic University proposed a method to create a sorbent for imidacloprid insecticide removal from water. The sorbent belongs to metal-organic frameworks, a class of non-conventional materials. The TPU chemists grew such a framework right on polyethylene terephthalate (PET) used to produce regular plastic bottles. The method is quite simple and allows converting used materials into a useful product. The research findings are published in Applied Materials Today academic journal (IF: 8,352; Q1). (2020-12-23)

How long's too long? Effects of crosslinker length on anion-exchange membrane fuel cells
Anion exchange membrane (AEM) fuel cells (AEMFCs), which produce electricity using hydrogen, are considered an alternative to currently used proton exchange membrane fuel cells. However, AEMs have problems with stability in alkaline conditions, which can be overcome by crosslinking--but effects of crosslinker length on AEMFC performance are not well understood. Now, scientists from Korea have elucidated such effects for oxygen-containing crosslinkers and, using an optimally long crosslinker, produced a novel AEMFC with greater performance. (2020-12-17)

Better benzene sensing at laser point
A highly selective and sensitive laser sensor can pick up low-level benzene emissions in ambient air. (2020-12-08)

Researchers discover how bean plants fend off famished foes
A team led by scientists at the University of Washington and the University of California, San Diego has discovered that cowpeas -- a type of bean plant -- harbor receptors on the surface of their cells that can detect a compound in caterpillar saliva and initiate anti-herbivore defenses. (2020-12-03)

Carbon dioxide converted to ethylene -- the 'rice of the industry'
In recent times, 'e-chemical' technology -- which converts carbon dioxide to high-value-added compounds using renewable electricity -- has gained research attention as a carbon capture utilization technology. Ethylene, referred to as the 'rice of the industry,' is widely used to produce various chemical products and polymers, but it is more challenging to produce from electrochemical CO2 reduction. To overcome this limitation, a domestic research team in South Korea has made a breakthrough in unveiling a key path-triggering intermediate in the ethylene production reaction. (2020-12-02)

New solvent-based recycling process could cut down on millions of tons of plastic waste
Multilayer plastic materials are ubiquitous in food and medical supply packaging, particularly since layering polymers can give those films specific properties, like heat resistance or oxygen and moisture control. But despite their utility, those ever-present plastics are impossible to recycle using conventional methods. (2020-11-20)

When plants attack: parasitic plants use ethylene as a host invasion signal
Researchers from Nara Institute of Science and Technology have found that parasitic plants use the plant hormone ethylene as a signal to invade host plants. Parasitic plants make an organ called a haustorium to attach to and invade hosts, and to obtain water and nutrients. Ethylene is used by parasitic plants to tweak haustorium development and host invasion. This knowledge could be used to develop new ways to control a range of parasitic weeds. (2020-11-04)

High-thermoresistant biopolyimides become water-soluble like starch
This is the first report for the syntheses of water-soluble polyimides which are Interestingly derived from bio-based resources, showing high transparency, tunable mechanical strength and the highest thermoresistance in water-soluble polymers reported ever. (2020-10-26)

A molecular break for root growth
The dynamic change in root growth of plants plays an important role in their adjustment to soil conditions. Depending on the location, nutrients or moisture can be found in higher or lower soil layers. This is why, depending on the situation, a short or a long root is advantageous. Caroline Gutjahr, Professor of Plant Genetics at the Technical University of Munich (TUM), and her team investigate how plant hormones influence the growth of roots. (2020-10-26)

Common liverwort study has implications for crop manipulation
A new study on genetic pathways in the common liverwort could have future implications for crop manipulation. (2020-10-26)

Artificial cyanobacterial biofilm can sustain green ethylene production for over a month
Ethylene is one of the most important and widely used organic chemicals. The research group at the University of Turku led by Associate Professor Yagut Allahverdiyeva-Rinne has designed a thin-layer artificial biofilm with embedded cyanobacterial cell factories which were specifically engineered for photosynthetic production of ''green'' ethylene. The fabricated biofilms have sustained ethylene production for up to 40 days. (2020-10-15)

Combination therapy against cancer
In their quest to destroy cancer cells, researchers are turning to combinational therapies more and more. Scientists from Germany and China have now combined a chemotherapeutic and photodynamic approach. All agents are encapsulated in nanocapsules with a protein shell to be delivered to the tumor. There, light irradiation triggers a cascade of events, which lead to the destruction of the tumor cells, the researchers write in the journal Angewandte Chemie. (2020-10-13)

Air stable intrinsically stretchable color-conversion layers for stretchable displays
The development of a stretchable display that can be bent, stretched, and attached to the skin as a free-standing film appeared in science fiction films is expected to be one step closer. The research team led by Prof. Tae-Woo Lee from Seoul National University announced on the 29th that they have successfully achieved a stretchable color conversion layer (SCCL) using perovskite nanocrystals (PeNCs) and applied it to stretchable displays. This study has made it possible to accelerate the development of next-generation stretchable light-emitting devices. (2020-10-04)

Researchers discover effective pathway to convert CO2 into ethylene
The scientists developed nanoscale copper wires with specially shaped surfaces to catalyze a chemical reaction that reduces greenhouse gas emissions while generating ethylene -- a valuable chemical simultaneously. (2020-09-16)

A chemist from RUDN developed a new type of one-molecule thick water-repellent film
A chemist from RUDN University together with colleagues created a new type of two-dimensional nanofilm from an organic material called calixarene. The invention can be used as a protective coating in electronics and as a part of molecular filters. They also suggested a way of increasing the durability of such films with UV radiation (2020-09-09)

Scientists develop low-temperature resisting aqueous zinc-based batteries
A research group led by Prof. LI Xianfeng from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences (CAS) developed a low-temperature resisting, cost-effective, safe and eco-friendly hybrid electrolyte for aqueous zinc-based batteries. (2020-08-30)

Trapping of acetylene
Ethylene, a key feedstock in the chemical industry, often includes traces of acetylene contaminants, which need to be removed. In the journal Angewandte Chemie, researchers describe a robust and regenerable porous metal-organic framework that captures acetylene with extraordinary efficiency and selectively. Its synergistic combination of tailor-made pore sizes and chemical docking sites makes the material especially efficient, the study says. (2020-08-27)

The secret life of melons revealed: "Jumping sequences" may alter gene expression
Researchers from the University of Tsukuba have found in a comparison of melon genomes that retrotransposons (a.k.a. ''jumping sequences'') may affect gene expression. Fruit ripening physiology varies widely in melons, and retrotransposons may have contributed to changes in gene expression as melon genomes diversified. Some retrotransposon sequences were transcriptionally induced under heat stress, suggesting that retrotransposons were responsive to this kind of stress, and may affect the expression of genes that induces fruit ripening. (2020-08-25)

UMD discovers a new role for a well-known molecule as a plant hormone
Researchers at the University of Maryland have discovered a new role for a well-known plant molecule, providing the first clear example of ACC acting as a likely plant hormone. In Nature Communications, researchers show that ACC has a critical role in pollination and seed production by activating proteins similar to those in human and animal nervous systems. Findings could change textbooks and open the door for research to improve plant health and crop yield. (2020-08-14)

New catalyst efficiently turns carbon dioxide into useful fuels and chemicals
By efficiently converting CO2 into complex hydrocarbon products, a new catalyst developed by a team of Brown researchers could potentially aid in large-scale efforts to recycle excess carbon dioxide. (2020-08-13)

The secret to renewable solar fuels is an off-and-on again relationship
Copper that was once bound with oxygen is better at converting CO2 into renewable fuels than copper that was never bound to oxygen, according to Berkeley Lab and Caltech scientists. (2020-07-17)

Development of a small sensor capable of continuously monitoring the phytohormone ethylene
NIMS and AIST have developed a small sensor capable of continuously monitoring the plant hormone ethylene. Ethylene gas promotes ripening in fruits and vegetables, but excessive exposure promotes them to rot. The new small sensor can be used to monitor fruits and vegetables by continuously detecting ethylene gas, ensuring the freshness during transportation and storage, and helping reduce food waste. (2020-06-29)

Nature-imitating coating makes batteries more durable and efficient
Aalto University's researchers were the first in the world to make use of carbon dioxide in the production of a battery protective coating. In the future, the coating could multiply the battery life and enable the use of new, more efficient materials. (2020-06-24)

Effects of potassium fertilization in pear trees
Potassium fertilization effects on quality, economics, and yield in pear orchard. (2020-06-11)

Artificial intelligence helps researchers up-cycle waste carbon
Researchers at University of Toronto Engineering and Carnegie Mellon University are using artificial intelligence (AI) to accelerate progress in transforming waste carbon into a commercially valuable product with record efficiency. They leveraged AI to speed up the search for the key material in a new catalyst that converts carbon dioxide (CO2) into ethylene -- a chemical precursor to a wide range of products, from plastics to dish detergent. (2020-05-13)

Catalyst opens door to more efficient, environmentally friendly ethylene production
Researchers have engineered a new catalyst that can more efficiently convert ethane into ethylene, which is used in a variety of manufacturing processes. The discovery could be used in a conversion process to drastically reduce ethylene production costs and cut related carbon dioxide emissions by up to 87%. (2020-04-24)

Spider combs tame unruly nanofibers (video)
Cribellate spiders spin thousands of tiny nanofibers into sticky threads. To keep from getting caught in their own webs, these spiders use a nonstick comb on their back legs. Now, researchers reporting in ACS Applied Nano Materials have patterned an antiadhesive nanostructure inspired by this comb onto a foil surface, creating a handy tool to control sticky lab-made nanomaterials for medical, smart textile and other applications. (2020-04-22)

Seafloor of Fram Strait is a sink for microplastic from Arctic and North Atlantic Ocean
Working in the Arctic Fram Strait, scientists from the Alfred Wegener Institute, Helmholtz Centre for Polar and Marine Research (AWI) have found microplastic throughout the water column with particularly high concentrations at the ocean floor. (2020-03-27)

Ethylene sensor could help monitor plant health
To control flowering and fruit ripening, plants release the gaseous hormone ethylene. Environmental conditions, including drought, salinity and pathogens, can also cause levels of the hormone to fluctuate. Therefore, monitoring ethylene's release in real time could provide a farmer with important information about a plant's development and health. Now, researchers reporting in ACS Central Science have developed an easy-to-use, robust sensor that can do just that. (2020-03-18)

New sensor could help prevent food waste
MIT chemists have created a tiny sensor that can detect ethylene gas, a plant hormone, in concentrations as low as 15 parts per billion. The sensor could be used to monitor produce ripeness and prevent food spoilage. (2020-03-18)

Novel photocatalytic method converts biopolyols and sugars into methanol and syngas
A research group led by Professor WANG Feng from the Dalian Institute of Chemical Physics (DICP) of the Chinese Academy of Sciences recently developed a photocatalytic method for the conversion of biopolyols and sugars to methanol and syngas. (2020-02-27)

Perovskite solar cells made of peppermint oil and walnut aroma food additives, preventing lead leakage
Professor Taiho Park and his research team from POSTECH developed eco-friendly-solvent processable hole transport polymers by using peppermint oil and walnut aroma food additives and the polymer can prevent lead leakage. (2020-02-26)

The catalyst that removes CO2 and produces hydrocarbons
Water is split into hydrogen and oxygen by electrolysis, but if CO2 is also added to the mixture, compounds can be generated to make textiles, diapers and even spirits. American scientists, led by a Spaniard, have developed a catalyst that accelerates this reaction, while also removing a greenhouse gas. (2020-02-14)

'Reverse fuel cell' converts waste carbon to valuable products at record rates
Fuel cells turn chemicals into electricity. Now, a U of T Engineering team has adapted technology from fuel cells to do the reverse: harness electricity to make valuable chemicals from waste carbon (CO2). (2020-02-10)

A new substance prevents vascular calcification
The calcification of blood vessels and other soft tissues is problematic. Researchers at ETH Zurich and ETH spin-off Inositec have discovered a substance that prevents vascular calcification. (2020-02-05)

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