Sentences with phrase «using ethylene»

The ripening process is then hastened using ethylene gas, which manages to turn the tomatoes red but can never recreate the effect of true sunlight, which gives tomatoes their intense flavour.
Adidas uses ethylene vinyl acetate, a polymeric foam, to absorb about 40 percent of the force.
Kathy Rosica of the Chemical Manufacturers Association in Washington DC, says semiconductor makers mainly use ethylene glycol monomethyl ether and ethylene glycol monoethyl ether.

Not exact matches

Food safety officials in Telangana conducted a surprise raid at Kothapet fruit market, Hyderabad unearthing the rampant use of ethylene powder, a toxic chemical imported from China, and other carcinogenic chemicals to artificially ripen mangoes.
The plant is DuPont's largest manufacturing site in Texas and makes high performance ethylene copolymers, such as Surlyn ® ionomer resin and Vamac ® ethylene acrylic elastomers, which are used for packaging, automotive components, construction materials and other everyday items.
It is proposed as a replacement for oxygen - barrier films that rely on the use of ethylene vinyl alcohol copolymer (EVOH) or nylon MXD6, which lose their barrier properties when exposed to water.
Popular resins and films used for liquid packaging include DuPont ™ Nucrel ® ethylene acrylic acid copolymer, DuPont ™ Bynel ® adhesive resin, and DuPont ™ Surlyn ® ionomer resin.
It can also be used to keep food fresh by adsorbing ethylene gas - try placing it in your fruit bowl and your fruit will stay fresher for longer.
But, the presence of carcinogenic 1,4 - dixoane as a result of using petroleum derived ethylene oxide doesn't really seem earth friendly to me.
So for the current technology that we have, it makes more sense to stick with [molecules with fewer carbon atoms] such as ethylene or carbon monoxide, and then to upgrade those molecules using other processes.
The research team — including graduate student and first author Jeffrey Fisher, postdoctoral fellow Songkil Kim and senior research engineer Peter Kottke — used low volatility solvents such as ethylene glycol, dissolving a salt of silver in the liquid.
The discovery of new materials for separating ethylene from ethane by adsorption, instead of using cryogenic distillation, is a key milestone for molecular separations because of the multiple and widely extended uses of these molecules in industry.
If excess carbon dioxide can be used to make ethylene, it could help make the chemical industry more sustainable and eco-friendly.
The conventional industrial solution is to convert this undesirable acetylene into ethylene as well, but this step requires the use of palladium, an expensive and rare metal, as a catalyst and consumes a significant amount of energy.
The research suggests that filtering out acetylene using MOFs would produce ethylene at the high purity that industry demands while sidestepping the current need to convert acetylene to ethylene via a costly catalytic process.
The study — conducted by what was then the Texas Natural Resource Conservation Commission, the EPA and more than 40 other public, private and academic institutions — singled out as culprits VOCs such as ethylene, a flammable gas used mainly in the production of plastics.
Additionally, ethylene and ethanol could serve as the building blocks for a range of consumer goods, and CO2 - derived formic acid could be used by the pharmaceutical industry or as a fuel in fuel cells.
The most likely cause of the added risk is exposure to ethylene glycol ethers, solvents used in etching circuit patterns on silicon wafers.
In Britain, ethylene glycol monoethyl ether is used in small amounts at Fujitsu's factory at Newton Aycliffe, County Durham.
Data on the reported use of chemicals showed «a strong association» with ethylene glycol ethers, says the SIA.
«For simple substrates, such as oxidizing ethylene to produce ethylene oxide, this is already possible using commercialized processes,» he said.
Acetylene, a hydrocarbon that's often found in the gas feedstocks that are used at polyethylene plants, damages the catalysts that producers use to convert ethylene to polyethylene.
The Notre Dame researchers, on the other hand, used organic compounds — acetylene and ethylene — to attempt to extend the range of the cells.
His team looked for something that would dissolve boron oxide, and found it in a widely - used material: ethylene glycol, otherwise known as antifreeze.
Solutions of ethylene glycol and propylene glycol, which are used on runways and aircraft, push the freezing point of ice down to -13 degreeC and -59 degreeC respectively.
The CO2 utilisation group uses CO2, water and green electricity to generate a sustainable ethylene at room temperature.
Using liquid chromatography - mass spectrometry (a process that separates complex mixtures and analyzes ingredients by measuring a weight - to - charge ratio), researchers compared the constituent chemicals in the food to standards for common molds, heavy metals and ethylene glycol (or antifreeze, which Goldstein says is the number one cause of kidney failure).
This copper catalyst was subsequently introduced into an artificial photosynthesis system to convert carbon dioxide and water into ethylene using only solar energy.
Packers then use a gas called ethylene to trigger fruit ripening, and after that the tomatoes are stored and shipped at low temperatures.
The novel method, which produces ethylene at room temperature and pressure using benign chemicals, could be scaled up to provide a more eco-friendly and sustainable alternative to the current method of ethylene production.
Researchers from several institutions, working at Sandia National Laboratories in Livermore, California, initially found the molecules — known as enols — in a flame that was produced by ethylene, the substance used to make the common plastic polyethylene.
The captured ethylene gas can then be transformed for use in a wide range of fuels and products.
SABIC affiliate United Jubail Petrochemical Company hopes to capture about 1,500 tons a day of carbon dioxide from ethylene plants, and use it in SABIC petrochemical plants, Reuters reports.
Using chondroitin sulfate to improve the viability and biosynthesis of chondrocytes encapsulated in interpenetrating network (IPN) hydrogels of agarose and poly (ethylene glycol) diacrylate.
A team at Rice University has used nitrogen - doped graphene quantum dots to create ethylene and ethanol, with stability and efficiency close to that of electrocatalysts like copper.
K. F. Pfister, S. Baader, M. Baader, S. Berndt, L. J. Goossen Biofuel by isomerizing metathesis of rapeseed oil esters with (bio) ethylene for use in contemporary dieses engines Science Advances 3 (2017), e1602624 DOI: 10.1126 / sciadv.1602624
Tissue sections not used immediately in staining experiments are kept in anatomical order in separate numbered Eppendorf tubes and archived in a freezer storage solution consisting of glycerol, ethylene glycol, dH2O, and phosphate buffer (3:3:3:1 volume / volume) at -20 °C to preserve antigen availability for future experiments.
Using the well - characterized signaling pathway of the phytohormone ethylene and plant - optimized genome - wide ribosome footprinting, we have uncovered a molecular mechanism linking this hormone's perception to the activation of a gene - specific translational control mechanism.
One particularly scary sterilizing agent used is called ethylene oxide, a gas that can leave behind a residue that's carcinogenic.
The carrier I used was vegetable glycerine, a common ingredient in foods and medicines, but another is propylene glycol, (not ethylene glycol... the notorious antifreeze ingredient!)
EDTA (ethylene diamine tetra acetic acid)[113] is a poly amine carboxylic acid, originally developed for industrial uses to keep metal ions such as calcium or magnesium from interfering with chemical processes.
The CLEANSE Combo uses specific chelators like ethylene diamine tetra - acetic acid (EDTA) to remove toxic metals from the body including aluminum, cadmium, lead, and more.
We have a series called «Cheeseburger Chemistry,» where we look at the chemistry behind different components of an average cheeseburger: the denaturing of proteins in the turning liquid milk into solid cheese; the role of ethylene in ripening tomatoes; the gas and sugar reactions in the bread dough used to make the bun.
The use of ethylene in the ripening of fruits and vegetabIes has received considerable publicity and has been used to a limited extent commercially during the past 3 years.
@juhist: That's a good question, but lots of modern vehicles use awful coolants that are not ethylene glycol (i.e. dexcool etc.) and that react in messy ways with contaminants.
If possible, use products that contain propylene glycol rather than ethylene glycol.
This lecture series uses clinical cases to cover approaches to common toxins encountered in small animal medicine, including ethylene glycol, rodenticides, non-steroidal anti-inflammatory drug overdoses, amphetamines, and grape / raisin toxicosis.
In this VETgirl online veterinary continuing education webinar, Dr. Armelle De Laforcade, reviews the commonly used point of care tests in the emergency setting such as lactate, NT - proBNP, urine drug testing, ethylene glycol testing, canine parvovirus, and C - reactive protein.
Look for «safe» nontoxic antifreeze, consider using products that contain propylene glycol rather than ethylene glycol, and make sure all spills are cleaned up immediately and thoroughly.
Propylene glycol is a less toxic form of antifreeze and should be used instead of ethylene glycol.
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