Sentences with phrase «organic polymers»
"Organic polymers" refers to large molecules made up of smaller units called monomers, which are connected together in a repeating pattern. These polymers are derived from natural sources, such as plants or animals, and are characterized by their ability to break down or decompose over time. Examples of organic polymers include natural rubber, starch, and cellulose. Full definition
Page 184 «When the solids are disposed of by rendering, the use of organic polymers is preferred to avoid high aluminum or iron concentrations in the rendered product produced.»
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Here we describe an affordable, safe, and scalable battery system, which uses organic polymers as the charge - storage material in combination with inexpensive dialysis membranes, which separate the anode and the cathode by the retention of the non-metallic, active (macro-molecular) species, and an aqueous sodium chloride solution as the electrolyte.
Now Ulrich Schubert and colleagues have developed a redox - flow battery that uses organic polymers as the charge - storage material, in combination with inexpensive dialysis membranes and an aqueous sodium chloride solution as the electrolyte.
Lignin is the complex organic polymer that forms rigid cell walls in wood.
Technical details of these research topics focus on light - induced electron transfer reactions, both at surfaces and in transition - metal complexes, surface chemistry and photochemistry of semiconductor / liquid interfaces, novel uses of conducting organic polymers and polymer / conductor composites, and development of sensor arrays that use pattern recognition algorithms to identify odorants, mimicking the mammalian olfaction process.
After fabrication, the researchers placed samples of the microswimmers inside a simple chamber fabricated from PDMS, a common silicon - based organic polymer.
The natural version, also called nacre, is found on the inner shell of some molluscs, where it is built up of layers of the mineral aragonite separated by organic polymers such as chitin.
One type, known as plastic, organic or polymer photovoltaic solar cells, uses conductive organic polymers or organic molecules to absorb light, transfer the charge and produce electricity.
The team subsequently developed an adsorbent of fluorine - based porous organic polymer that met all the conditions listed above.
«Benefitting from the ethyl acetate - based electrolyte and organic polymers electrodes, the rechargeable battery can work well at the ultra-low temperature of -70 degrees Celsius,» Xia says.
Fancy computer tricks have proved dead ends, but researchers at the University of Arizona may be onto something with a novel organic polymer known as PATPD / CAAN: FDCST: ECZ: PCM.
Researchers have long recognized the promise of functional organic polymers, but until now have not been successful in developing an efficient electron - transport conducting polymer to pair with the established hole - transporting polymers.
The upper left electron microscope image shows spaghetti - shaped organic polymers now used for organic light - emitting diodes, or OLEDs.
One reason organic polymers aren't widely used is because they don't perform as efficiently as their silicon - based counterparts.
In particular, we are interested in understanding kinetics and mechanisms of formation of large organic polymers that constitute a significant fraction of SOA, identification of their chemical structure, and studying the effect of these polymers on physical properties of aerosols relevant to climate change.
Syrupy organic polymers contribute to the lasting quality of the gloss.
Altogether, since about 1950, with the birth of a new industry, more than 8.3 billion tonnes of synthetic organic polymers have been generated, distributed and discarded.
An earlier study relied on lignin, a complex organic polymer that forms rigid cell walls, as a carbon precursor to burn LIG in oven - dried wood.
Plastic solar cells, based on blends of conducting organic polymers, are of interest for making lightweight and cheap solar cells.
In order to make these materials more competitive, scientists need to develop a better understanding of organic polymers» nanostructures.
The tube is embedded within a block of polydimethylsiloxane, a commonly used organic polymer, doped with titanium dioxide nanoparticles that make it scatter light.
By replacing the silicon layer in a traditional LED with an organic polymer, an OLED screen can be more flexible and brighter while consuming less power.
The developers combine the organic polymers with gold or silver nanoparticles.
And while conventional materials are finite, organic polymers could potentially be synthesized from biomass.
An organic polymer analog of a metal / insulator / metal capacitor has been constructed with the latter method.
Biomass contains lignin, an organic polymer that binds to and strengthens plant fibers.
The lens is a transparent polymer with several components embedded inside: nanoscale quantum dot light - emitting diodes, wiring made from silver nanoparticles, and organic polymers that could act as parts of electrical circuits.
To prove the principle, they embedded a transparent polymer with quantum dot light - emitting diodes, plus wiring made from silver nanoparticles, and organic polymers that could act as circuit components.
«That's why we came up with this organic polymer p - n junction device.»
The researchers modeled the touch experiments using a «mock finger,» a finger - like device made of an organic polymer that's connected by a spring to a force sensor.
The goal of the experiment, launched in 1991, was to test the hardiness of poplars engineered to make a novel kind of lignin, an organic polymer that toughens cells.
Its refractive index can be changed simply by changing the organic polymer.
The material is a composite, made by growing much smaller crystals in a matrix of an organic polymer.
When Hubbes exposed vaccinated trees to the virulent strain of the fungus, he found that the trees were ready to mount a defence, trapping the fungus in infected cells by hardening the walls of these cells with lignin — an organic polymer in plant cell walls that imparts rigidity.
The information they gather could help improve the design and performance of organic polymers: flexible, stretchable, biocompatible electronic materials that could be used to make everything from printable solar cells to brain implants that restore movement to paralyzed limbs.
To create hollow and solid microstructures, the researchers used an organic polymer precursor doped with photoinitiator made of off - the - shelf chemical components.
Yang's procedure converts lignin, an organic polymer that makes plants woody and rigid.
This hydrogel material is made with plant cellulose - an organic polymer that makes up plant cell walls and keeps our masks pieced together - and soothing aloe juice.
Most folks I know would call pretty much any organic polymer «plastic».
AMOLED screens consist of a thin layer of organic polymers that light up when zapped with an electric current.