According the company, the new piezoelectric polymer converts pressure and vibration into electric energy with high efficiency,
ceramics and polymers. Both are based on the principle of using mechanical strain to generate electricity
while polymers are lighter, more flexible, and more durable, but not very efficient. According to Ricoh, its new energy-generating rubber combines flexibility and high energy output.
but it's also more flexible and durable than other polymers; surviving several million uses in testing.
but it does say that it's engaged in further research to produce a commercially viable version of the polymer for both sensors and energy applications o
It consists of rolls of adhesive wallpaper made of flexible polymer film, which is embedded with Kevlar fibers in a crisscross pattern.
The ability to tune the elasticity of the material at will could prove important in manufacturing biomedical polymers that can,
Last year, the same team created a polymer, inspired by the human blood-clotting system, which patched holes up to 3cm wide.
we render these capsules stimuli-responsive by incorporating gold nanorods into the polymer shell, allowing for highly selective photothermal rupture
and encased in a sphere of silica and a polymer. The researchers'method of making the stars ensures that all of the particles are nearly identical
The 100%polyimide polymer construction eliminates dusting and the requirement for dangerous handling protocols, making it clean and safe.
This electron microscope image shows tiny nanoparticles of bismuth ferrite embedded in a polymer film. The film enhances the unique electric and magnetic properties of bismuth ferrite and preserves these properties even when bent.
and mixed them into a polymer solution. The solution was dried in a series of steps at increasing temperatures to produce a thin flexible film.
Mixing nanoparticles of bismuth ferrite into a polymer improved the current-leakage problem and also gave the film flexible stretchable properties.
The corticosteroid DEX, a powerful ameliorator of inflammation, was released from the polymer by external application of an electromagnetic field for 2 h/day for a week.
and the chipsclear polymer allows scientists to watch the small-scale biological processes in real time. he organs-on-chips allow us to see biological mechanisms
"Gong and her students also have been based studying bio polymers for more than a decade. CNF offers many benefits over current chip substrates, she says."
"The advantage of CNF over other polymers is that it's a bio-based material and most other polymers are based petroleum polymers.
"And, compared to other polymers, CNF actually has a relatively low thermal expansion coefficient.""The group's work also demonstrates a more environmentally friendly process that showed performance similar to existing chips.
Scientists used revolutionary nanotechnology to work on small polymer layers inside implants which measure between 1 and 100 nanometers (nm) a human hair is approximately 100,
the risk of deep bone infection is reduced substantially. ur research shows that applying small quantities of antibiotic to a surface between the polymer layers
Nanofibers-polymer filaments only a couple of hundred nanometers in diameter have a huge range of potential applications, from solar cells to water filtration to fuel cells.
a polymer solution is pumped through a small nozzle, and then a strong electric field stretches it out.
The cones are dipped in a polymer solution, and the electric field causes the solution to travel to the top of the cones,
and a dissolved polymer. When an electrode is mounted opposite the sawteeth and a voltage applied between them,
the water-ethanol mixture streams upward, dragging chains of polymer with it. The water and ethanol quickly dissolve, leaving a tangle of polymer filaments opposite each emitter, on the electrode.
The researchers were able to pack 225 emitters, several millimeters long, on a square chip about 35 millimeters on a side.
Nanofibers-polymer filaments only a couple of hundred nanometers in diameter have a huge range of potential applications, from solar cells to water filtration to fuel cells.
a polymer solution is pumped through a small nozzle, and then a strong electric field stretches it out.
The cones are dipped in a polymer solution, and the electric field causes the solution to travel to the top of the cones,
and a dissolved polymer. When an electrode is mounted opposite the sawteeth and a voltage applied between them,
the water-ethanol mixture streams upward, dragging chains of polymer with it. The water and ethanol quickly dissolve, leaving a tangle of polymer filaments opposite each emitter, on the electrode.
The researchers were able to pack 225 emitters, several millimeters long, on a square chip about 35 millimeters on a side.
The two components that make the UCLA-developed system work are a polymer donor and a nanoscale fullerene acceptor.
The polymer donor absorbs sunlight and passes electrons to the fullerene acceptor; the process generates electrical energy.
The plastic materials, called organic photovoltaics, are organized typically like a plate of cooked pasta a disorganized mass of long, skinny polymer paghettiwith random fullerene eatballs.
because the electrons sometimes hop back to the polymer spaghetti and are lost. The UCLA technology arranges the elements more neatly like small bundles of uncooked spaghetti with precisely placed meatballs.
The fullerenes inside the structure take electrons from the polymers and toss them to the outside fullerene
which can effectively keep the electrons away from the polymer for weeks. hen the charges never come back together,
The two components that make the UCLA-developed system work are a polymer donor and a nanoscale fullerene acceptor.
The polymer donor absorbs sunlight and passes electrons to the fullerene acceptor; the process generates electrical energy.
The plastic materials, called organic photovoltaics, are organized typically like a plate of cooked pasta a disorganized mass of long, skinny polymer paghettiwith random fullerene eatballs.
because the electrons sometimes hop back to the polymer spaghetti and are lost. The UCLA technology arranges the elements more neatly like small bundles of uncooked spaghetti with precisely placed meatballs.
The fullerenes inside the structure take electrons from the polymers and toss them to the outside fullerene
which can effectively keep the electrons away from the polymer for weeks. hen the charges never come back together,
which are coated with a charged polymer layer that helps them adhere to the target microbes,
which are coated with a charged polymer layer that helps them adhere to the target microbes,
or continuous formation of polymer nanofibers and other nanomaterials in the bulk of a sheared fluid medium is introduced.
Creating large amounts of polymer nanofibers dispersed in liquid is a challenge that has vexed researchers for years.
But engineers and researchers at North carolina State university and one of its start-up companies have reported now a method that can produce unprecedented amounts of polymer nanofibers
describe the method that allows them to fabricate polymer nanofibers on a massive scale. The method-fine-tuned after nearly a decade of increasing success in producing micro
-and nanoparticles of different shapes-works as simply as dropping liquid solution of a polymer in a beaker containing a spinning cylinder.
Glycerin-a common and safe liquid that has many uses-is used to shear the polymer solution inside the beaker along with an antisolvent like water.
the researchers created polymer microrods, which could have various useful applications in foams and consumer products."
"Depending on the concentrations of liquids, polymers and antisolvents, you can create multiple types of nanomaterials of different shapes and sizes.""
University of Akron polymer scientist finds that certain amino acids and sugars were meant simply to be in life March 11th,
"But it's been a mostly polymer composite with graphene making up less than 20 percent of the volume."
The presence of the other solvents and the interaction with the specific polymer binder chosen also has a significant contribution to its resulting flexibility and properties.
Researchers at the University of Georgia have developed an inexpensive way to manufacture extraordinarily thin polymer strings commonly known as nanofibers.
These polymers can be made from natural materials like proteins or from human-made substances to make plastic,
study co-author and the Georgia Power Professor of Polymers, Fibers and Textiles in UGA's College of Family and Consumer Sciences."
"Currently, the most common nanofiber manufacturing technique--electrospinning--uses high-voltage electricity and specially designed equipment to produce the polymer strings.
Polymer that has been melted or liquefied in a solution is mixed with biocompatible iron oxide or another magnetic material and placed inside a hypodermic needle.
a droplet of the polymer fluid stretches out and attaches to the magnet, forming a nanofiber string that winds around the platter as it continues to spin.
"The researchers can use this method to create a variety of nanofibers simply by changing the polymer placed in the syringe.
"We can use almost any kind of polymer with this platform, and we can tailor make the nanofibers for different applications,
#Fine-tuned molecular orientation is key to more efficient solar cells Polymer-based solar cells offer a number of potential advantages.
They are made of polymers that are inexpensive and flexible, and can be deposited on glass or plastic substrates, allowing the construction of large-scale structures.
and Kazuo Takimiya of the RIKEN Center for Emergent Matter Science managed to create a type of polymer solar cell called a bulk-heterojunction solar cellhere the electron donor
because we now have an understanding of how we can move forward to create polymer solar cells with greater efficiency.
and Technology to tap into organic chemistry and conducting polymers to fabricate a three-dimensional (3-D) polypyrrole (PPY) aerogel-based electromagnetic absorber.
because it enables them to"regulate the density and dielectric property of conducting polymers through the formation of pores during the oxidation polymerization of the pyrrole monomer,"
Silk fibroin is a natural polymer produced by various insects. This substance has applications in the production of tissue engineering scaffolds as a biological material due to its appropriate mechanical properties and computability.
News and information On the Surface of Polymers June 17th, 2015deben reports on how the University of Portsmouth use in situ XCT compressive testing to help answer how materials respond to complex loading conditions June 17th,
The nanoparticles are coated with polymers that fine-tune their optical properties and their rate of degradation in the body.
The polymers can be loaded with drugs that are released gradually. The nanoparticles also can be made quite small,
"We think we coated this particle with a specific polymer and with specific drug-loading
In further experiments, the researchers found they could alter the infusion of the particles into melanoma cells by adjusting the polymer coatings.
"You can coat it with different polymers to give it a different optical response. You can load it with two drugs,
The new technique relies on polymer self-assembly, where molecules are designed to spontaneously assemble into desired structures.
an intensely hot laser swept across the sample to transform disordered polymer blocks into precise arrangements in just seconds."
To further exploit the power and precision of LZA, the researchers applied a heat-sensitive elastic coating on top of the unassembled polymer film.
the scientists converted the polymer base into other materials. One method involved taking the nano-cylinder layer
These molecules then glom onto the self-assembled polymer, converting it into a metallic mesh.
where a vaporized material infiltrates the polymer nano-cylinders and transforms them into functional nanowires.
allowing it to drive polymer self-assembly even on top of complex underlying layers. This versatility enables the use of a wide variety of materials in different nanoscale configurations."
The corticosteroid DEX, a powerful ameliorator of inflammation, was released from the polymer by external application of an Electromagnetic field for 2 hours/day for a week.
a conductive polymer material that responds to electromagnetic fields. Wen Gao, a postdoctoral researcher in the Center for Paralysis Research who worked on the project with Borgens
and the shape change of the polymer that allows it to store and release drugs,
the polymer snaps back to the initial architecture and retains the remaining drug molecules.""For each different drug the team would need to find the corresponding optimal electromagnetic field for its release,
Natural Polymers with Applications in Various Industries Synthesized in Iran June 22nd, 2015announcements n-tech Research Issues Report on Smart Coatings Market,
New non-platinum and nanosized catalyst for polymer electrolyte fuel cell Abstract: Canadelectrochim have discovered a new non-platinum and nano-sized catalyst for the fuel cell based on Mother Nature
Advancements in the electrolyte system of PEMFCTHE commercial development of a special electrolyte (single ion conducting polymer electrolyte) changed the field of electrochemical devices in a significant way.
With the development of a single ion (for example only hydrogen ions in PEMFC) conducting polymer, electrochemists have the ability to choose from a variety of polymers with both high conductivity for a given ion of interest (off course hydrogen ions
and process-ability allowing the design of electrochemical devices (such as PEMFC) in their most ideal format (3). The broad class of electrolyte (electrolyte is a polymer
and so it is called polymer electrolyte) to which Nafion (discovered by Dupont company) belong has application in a number of area of commercial importance,
Natural Polymers with Applications in Various Industries Synthesized in Iran June 22nd, 2015high-tech nanofibres could help nutrients in food hit the spot June 17th, 2015the European project SVARNISH,
2015a cool way to form 2-D conducting polymers using ice: POSTECH scientists develop breakthrough technique to easily optimize electrical properties of Polyaniline nanosheets to an unprecedented level in an environmental-friendly and inexpensive way July 7th,
which are coated with a charged polymer layer that helps them adhere to the target microbes,
Results of the research have applications in textile, polymer, and ceramic industries and in other applicable surfaces.
However, the heterogeneous distribution of nanoparticles in the structure of the membrane polymer can be considered as an important problem.
The surface of nanoparticles was coated with polystyrene sulfonate as a new approach to improve the homogenous distribution of nanoparticles in polymer.
This method significantly affects the distribution of nanoparticles in the membrane polymer and it modifies the structure and the separation performance.
"But it's been a mostly polymer composite with graphene making up less than 20 percent of the volume."
The presence of the other solvents and the interaction with the specific polymer binder chosen also has a significant contribution to its resulting flexibility and properties.
Scientists used revolutionary nanotechnology to work on small polymer layers inside implants which measure between 1 and 100 nanometers.
the risk of deep bone infection is reduced substantially. ur research shows that applying small quantities of antibiotic to a surface between the polymer layers
they combine the physical solid-state properties of e g. ceramics or semiconductors with classic polymer-processing technology.
The modified nanoparticles and additives combine with a polymer matrix (an epoxy resin, an acrylate, a polyimide for example) or a hybrid matrix (organic-inorganic) to produce a coatable Nanomer composite system. he modular principle makes it possible to achieve a number of properties at one
Conductive polymer solutions and a colloidal Si QD solution were deposited on the glass substrate. The current and optical power densities of the LED are, respectively,
we noticed that it was almost invisible and very flexible like a polymer and could literally be sucked into a glass needle or pipette.
"Whether it's a silicon probe or flexible polymers...they cause inflammation in the tissue that requires periodically changing the position or the stimulation.
researchers lay out a mesh of nanowires sandwiched in layers of organic polymer. The first layer is dissolved then, leaving the flexible mesh,
his colleague Dr. Ali Dhinojwala, Morton Professor of Polymer Science; and Ming Xiao, graduate student, recently published a paper in a joint project with the University of California,
BCP is the mixture of two different polymer materials, which can easily create self-ordered arrays of sub-20 nm features through simple spin-coating and plasma treatments.
The researchers begin by creating a three-dimensional polymer template on a silicon substrate. The template is shaped like a series of identical
and an elastic polymer is applied to the zinc oxide. The researchers then flip the whole thing over
Because both zinc oxide and the polymer are clear, the structure is transparent. And it is stretchable
"The scientists devised a new arrangement of solar cell ingredients, with bundles of polymer donors (green rods) and neatly organized fullerene acceptors (purple, tan.
The two components that make the UCLA-developed system work are a polymer donor and a nanoscale fullerene acceptor.
The polymer donor absorbs sunlight and passes electrons to the fullerene acceptor; the process generates electrical energy.
The plastic materials, called organic photovoltaics, are organized typically like a plate of cooked pasta a disorganized mass of long, skinny polymer spaghetti with random fullerene meatballs.
because the electrons sometimes hop back to the polymer spaghetti and are lost. The UCLA technology arranges the elements more neatly like small bundles of uncooked spaghetti with precisely placed meatballs.
The fullerenes inside the structure take electrons from the polymers and toss them to the outside fullerene
which can effectively keep the electrons away from the polymer for weeks. When the charges never come back together,
Germany, report in the journal Angewandte Chemie("Hierarchical Nacre Mimetics with Synergistic Mechanical Properties by Control of Molecular Interactions in Self-Healing Polymers")that the introduction of tailored hydrogen bonds in the polymer
Focusing on the laminating polymer phase, they designed a low-molecular-weight polymer with low glass-transition temperature,
which was equipped with varying degrees of a supramolecular binding motif. Combined with advanced synthetic nanoclay platelets,
Key to the success are the supramolecular bonds within the soft polymer matrix. The scientists chose a ureidopyrimidinone (Upy) entity as the bonding motif that,
The new technique relies on polymer self-assembly, where molecules are designed to spontaneously assemble into desired structures.
an intensely hot laser swept across the sample to transform disordered polymer blocks into precise arrangements in just seconds."
To further exploit the power and precision of LZA, the researchers applied a heat-sensitive elastic coating on top of the unassembled polymer film.
the scientists converted the polymer base into other materials. One method involved taking the nano-cylinder layer
These molecules then glom onto the self-assembled polymer, converting it into a metallic mesh.
where a vaporized material infiltrates the polymer nano-cylinders and transforms them into functional nanowires.
allowing it to drive polymer self-assembly even on top of complex underlying layers. This versatility enables the use of a wide variety of materials in different nanoscale configurations."
and cardiac hypertrophy through biodegradable polymer-encapsulated delivery of glycosphingolipid inhibitor), "builds on recent research by the same team that previously identified a fat-and-sugar molecule called GSL as the chief culprit behind a range of biological glitches that affect the body's ability to properly use, transport
as well as semiconductive and conductive polymers to tailor the behavior of natural cotton fibers. The layers were so thin that the flexibility of the cotton fibers is preserved always
which are coated with a charged polymer layer that helps them adhere to the target microbes,
such as rubber, detergents, and polymers.""This is a proof-of-concept study that shows we have the knowledge
Brandl had synthesized previously polymers that could be cleaved apart by exposure to UV light. But he and Bertrand came to question their suitability for drug delivery,
A trap for ater-fearingpollution The researchers synthesized polymers from polyethylene glycol, a widely used compound found in laxatives, toothpaste,
Nanoparticles made from these polymers have a hydrophobic core and a hydrophilic shell. Due to molecular-scale forces
and the polymers are biodegradable, minimizing the risks of leaving toxic secondary products to persist in,
from environmental remediation to medical analysis. The polymers are synthesized at room temperature, and don need to be prepared specially to target specific compounds;
The research, published in the academic journal Advanced Materials("Discovery of a Novel Polymer for Human Pluripotent Stem Cell Expansion and Multilineage Differentiation"),could forge the way for the creation of'stem cell
iscovery of a Novel Polymer for Human Pluripotent Stem Cell Expansion and Multilineage Differentiation was led by Morgan Alexander,
and his team have been searching for polymers on which human pluripotent stem cells can be grown
graphene, a conductive polymer and carbon nanotubes, which are atom-thick latticelike networks of carbon formed into cylinders.
The graphene in liquid form was mixed with the conductive polymer and reduced to solid and the carbon nanotubes carefully inserted between the graphene layers to form a self-assembled flat-packed,
#Smart hydrogel coating creates'stick-slip'control of capillary action Coating the inside of glass microtubes with a polymer hydrogel material dramatically alters the way capillary forces draw water into the tiny structures,
a so-called"smart"polymer (PNIPAM), everything changes. Water entering a tube coated on the inside with a dry hydrogel film must first wet the film
while the polymer layer locally deforms. The meniscus then rapidly slides for a short distance before the process repeats.
After using high-resolution optical visualization to study the meniscus propagation while the polymer swelled, the researchers realized they could put this previously-unknown behavior to good use.
or cooling the polymer inside a microfluidic chamber, you can either speed up the filling process
That would allow precise control of fluid flow on demand using external stimuli to change polymer film behavior."
They also want to explore other"smart"polymers which change the flow rate in response to different stimuli,
dynamically evolving polymer interfaces in which the system creates an energy barrier to further motion through elasto-capillary deformation,
"This insight has implications for optimal design of microfluidic and lab-on-a-chip devices based on stimuli-responsive smart polymers
#Making polymer nanostructures from a greenhouse gas (Nanowerk News) A future where power plants feed their carbon dioxide directly into an adjacent production facility instead of spewing it up a chimney
it is also a good source of carbon for processes like polymer production. In the journal Angewandte Chemie("Construction of Versatile and Functional Nanostructures Derived from CO2-based Polycarbonates),
They were also able to incorporate a variety of functional and charged groups into the polymers.
The AGE-containing polymer grows on both ends of the existing polycarbonate, leading to a triblock copolymer.
However, these devices, often created with nondegradable elastic polymers, bear an inherent risk of intestinal obstruction as a result of accidental fracture or migration.
Now, researchers at MITS Koch Institute for Integrative Cancer Research and Massachusetts General Hospital (MGH) have created a polymer gel that overcomes this safety concern
Image courtesy of the researchers) This polymer is ph-responsive: It is stable in the acidic stomach environment
and folding of devices into easily ingestible capsules meaning this polymer can be used to create safe devices designed for extremely prolonged residence in the stomach.
-responsive supramolecular polymer gel as an enteric elastomer for use in gastric devices")that describes the application of this new polymer gel for creating gastric devices.
the researchers were interested in developing a polymer with elastic properties. An elastic device can be folded into something small
But the size and shape of existing devices with elastic polymers have been limited by safety concerns,
Because of this, the researchers wanted their polymer to also be enteric or have a mechanism that would enable it to pass through the stomach unaltered before disintegrating in the intestines.
The proposed supramolecular polymer gel network. Structures in yellow are synthesized polymer; structures in purple are linear polymer;
and the red structures are inter-polymer hydrogen bonds. Image courtesy of the researchers) To lower any possible risk of obstruction,
we wanted a material that could dissolve in the intestines, thereby dissociating the device, and safely pass out of the body,
Zhang says. To create this new material, the researchers synthesized an elastic polymer and combined it in solution with a clinically utilized enteric polymer.
Adding hydrochloric acid and centrifuging the solution resulted in a flexible, yet resilient, polymer gel that exhibits both elastic and enteric properties.
The researchers used the gel polycaprolactone (PCL), a nontoxic, degradable polyester, to construct several device prototypes.
They first created ring-shaped devices by using the gel to link arcs of PCL in a circular mold.
the polymer gel dissolved, allowing for the safe passage of the small PCL pieces without obstruction.
Improving adherence The combined enteric and elastic properties of this polymer gel could significantly improve the design and adoption of gastric-resident devices.
With further work in adjusting the polymer composition or the design of the system they say that they could tailor devices to release drugs over a specific timeframe of up to weeks or months at a time.
Ribo-T may be able to be tuned to produce unique and functional polymers for exploring ribosome functions
or producing designer therapeutics and perhaps one day even non-biological polymers. No one has developed ever something of this nature. e felt like there was a small very small chance Ribo-T could work,
Just as with nappies, adding water causes the acrylate polymer to swell. After stretching the fluorescent-tagged molecules move further away from each other;
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