Smart Drug Delivery System; Gold Nanocage Covered With Polymer That Responds To Light Nov 4, 2009
A tiny cage of gold covered with a smart polymer, it responds to light, opening to empty its contents, and resealing when the light is turned off ... When the light is absorbed it is converted to heat, and the nanocages are covered with a special polymer that responds to heat in an interesting way ... The polymer, poly(N-isopropylacrylamide), and its derivatives has what's called a critical temperature. (Science Daily)
Breakthrough In Industrial-scale Nanotube Processing Nov 4, 2009
"The reason grocery stores use plastic bags instead of paper and the reason polyester shirts are cheaper than cotton is that polymers can be melted or dissolved and processed as fluids by the train-car load. Processing nanotubes as fluids opens up all of the fluid-processing technology that has been developed for polymers." ... "That research established an industrially relevant process for nanotubes that was analogous to the methods used to create Kevlar from rodlike polymers, except for the... (Science Daily)
Thrashers' cuts: Glue them or stitch them? Nov 3, 2009
Doctors have used polymers to close wounds for many years, but polymer chemistry has advanced to the point that glues are not only used to close cuts and surgical incisions. They also may aid in the healing of broken bones, hernias and even brain aneurysms. (Atlanta Journal-Constitution -- Sports)
An exquisite container Nov 2, 2009
A gold nanocage covered with a polymer is a smart drug delivery system ... A tiny cage of gold covered with a smart polymer, it responds to light, opening to empty its contents, and resealing when the light is turned off ... Attach a smart polymer to your gold nanocage, seen here in cross section with the pores at the corners. (EurekAlert!)
Microcapsules Deliver 'Chemicals On Demand' Nov 2, 2009
13, 2009) A tiny particle syringe composed of polymer layers and nanoparticles may provide drug delivery that targets diseased cells without harming the rest of the body, according to a team of chemical. . (Science Daily)
Improved Adhesive For Products Like Transparent Tape Could Benefit Biofuels Economy Oct 31, 2009
This property makes it a good basis for polymers, she said ... "That's why you need to design the backbone of the polymer to be strong enough to pull the sticky group back." ... This information will be important to K-State plant scientists, who engineer plants to produce functional protein polymers. (Science Daily)
New Route To Nano Self-assembly Found Oct 26, 2009
By adding specific types of small molecules to mixtures of nanoparticles and polymers, the researchers are able to direct the self-assembly of the nanoparticles into arrays of one, two and even three dimensions with no chemical modification of either the nanoparticles or the block copolymers ... "We've demonstrated a simple yet versatile approach to precisely controlling the spatial distribution of readily available nanoparticles over multiple length scales, ranging from the nano to the macro,"... (Science Daily)
Eastman reports earnings increase Oct 25, 2009
Also included in third-quarter 2008 sales revenue were contract polymer intermediates sales resulting from the fourth-quarter 2007 divestiture of PET polymers manufacturing facilities and related businesses in Mexico and Argentina. . (Orangeburg Times and Democrat, SC)
Covalon Appoints William Jackson as Chief Financial Officer and Board Director Oct 24, 2009
Polymer chemistry and surface coating technology have been combined to create a range of time-release drug delivery platforms that are applied to medical devices to treat many critical conditions. A variety of applications for these technologies have been identified and specific products have been developed. (CCNMatthews Press Releases)
Volunteers wanted for simulated 520-day Mars mission... Oct 23, 2009
Volunteers wanted for simulated 520-day Mars mission. Volunteers wanted for simulated 520-day Mars mission. (The Drudge Report)
Scientists Identify Enzyme That Could Help Grow Biofuel Crops In Harsh Environments Oct 21, 2009
Plants use different polymers in constructing cell walls, each with unique qualities essential for growth and survival. Suberin, the polymer analyzed in this study, is mostly located in the cell walls of seed and root systems ... "We sought to understand the synthesis of the 'wall-bound' phenolic component of different biopolymers, including this important suberin polymer, by identifying the enzymes responsible for their construction," said Liu. (Science Daily)
Penn team uses self-assembly to make molecule-sized particles with patches of charge Oct 21, 2009
Researchers demonstrated that the positive electrical charges of calcium ions just like the calcium in teeth and bone can form bridges between negatively charged polymers that would normally repel each other. The polymers, similar to the lipids that make the membranes surrounding living cells, have both a water-loving part linked to a water-repelling part ... On the surfaces of these cell-sized polymer sacks, the calcium ions create calcium-rich islands or patches on top of... (EurekAlert!)
Chemists Discover Recipe To Design A Better Type Of Fuel Cell Oct 20, 2009
They have discovered a new material that allows a PEM fuel cell, known as a polymer electrolyte membrane fuel cell, to work at a higher temperature ... 25, 2005) Researchers at the Georgia Institute of Technology have pinpointed a chemical that could allow polymer electrolyte membrane (PEM) fuel cells to operate at a much higher temperature without moisture ... 30, 2006) Two Sandia researchers are studying key phenomena that control hydrogen-fueled PEM (proton exchange membrane or polymer... (Science Daily)
U of C chemists discover recipe to design a better type of fuel cell Oct 19, 2009
They have discovered a new material that allows a PEM fuel cell, known as a polymer electrolyte membrane fuel cell, to work at a higher temperature. This discovery is extremely important in terms of increasing the efficiency and decreasing the cost of PEM fuel cells. (EurekAlert!)
New Material Could Expand Applications And Lower Costs For Solid Oxide Fuel Cells Oct 19, 2009
25, 2005) Researchers at the Georgia Institute of Technology have pinpointed a chemical that could allow polymer electrolyte membrane (PEM) fuel cells to operate at a much higher temperature without moisture. . (Science Daily)
Scientists Visualize Assembly Line Gears In Ribosomes, Cell's Protein Factory Oct 19, 2009
They purified the ribosomes from the bacteria and then added polymers carefully selected to coax the ribosomes into lining up and forming crystals ... Polymer chemists have created a flexible, indestructible material, called metal rubber, that can be heated, frozen, washed or doused with jet fuel. (Science Daily)
* ITRIs battery technology wins Oscar of invention Oct 17, 2009
The system begins with a -polymer devised by ITRI that is blended into the battery. The polymer is responsible for the suppression of thermal heat, even in the case of puncture or other catastrophic damage, the magazine said. (Taipei Times, Taiwan -- World)
A battery made from cellulose: Paperweight Oct 15, 2009
He chose a polymer called a polypyrrole which, soaked into the algal cellulose, produced a combination that conducted electricity well. He then fashioned the anode and cathode of his battery from the stuff. (The Economist)
Improved Redox Flow Batteries For Electric Cars Oct 14, 2009
20, 2008) The next generation of electric and hybrid cars may be a step closer thanks to new and improved polymer membranes that allow the development of bigger, safer, and more powerful lithium ion batteries ... It is based on a polymer electrolyte, which is -- unlike the liquid electrolyte in conventional lithium-ion batteries -- not inflammable. (Science Daily)
New Optical Technique Provides Easy Way To Detect TB Bacteria In Fluids Oct 11, 2009
The new method will use a polymer which will give a fluorescent signal when it encounters. (Mar. (Science Daily)
Smaller And More Efficient Nuclear Battery Created Oct 10, 2009
20, 2008) The next generation of electric and hybrid cars may be a step closer thanks to new and improved polymer membranes that allow the development of bigger, safer, and more powerful lithium ion batteries. (Dec. (Science Daily)
Novel polymer delivers genetic medicine, allows tracking Oct 7, 2009
Researchers at Virginia Tech and at the University of Cincinnati designed novel polymeric beacons capable of delivering plasmid DNA into mammalian cells ... A polycation is a polymer chain with positive charges, which is not too unusual ... DNA itself is a polyanion, a polymer with negative charges. (EurekAlert!)
Silver Nanoparticles Give Polymer Solar Cells A Boost Oct 7, 2009
Researchers at Ohio State University are experimenting with polymer semiconductors that absorb the sun s energy and generate electricity ... Berger and his team measured the amount of light absorbed and the current density -- the amount of electrical current generated per square centimeter -- generated by an experimental solar cell polymer with and without silver nano-particles ... The small silver particles help the polymer capture a wider range of wavelengths of sunlight than would normally be... (Science Daily)
Mitsubishi Chemical and Thailand's PTT Address Bio-Polybutylene Succinate Business Oct 6, 2009
Tokyo, Oct 5, 2009 (JCN) - Mitsubishi Chemical Corporation and PTT Public Company Limited, headquartered in Bangkok, have agreed to study the development of bio-polybutylene succinate, a bio-degradable polymer, made from biomass resources in Thailand, as of September 25, 2009. MCC produces GS Pla, its trademark for polybutylene succinate, a bio-degradable polymer made from petro-based succinic acid in Japan and markets it worldwide ... In line with Thai government policies, PTT has been heavily... (JCN Network, Japan)
A Better Way To Watch Bacteria Swim Oct 6, 2009
5, 2009) Researchers have developed a new method for studying bacterial swimming, one that allows them to trap Escherichia coli bacteria and modify the microbes' environment without hindering the way they move. The new approach, described this month in Nature Methods, uses optical traps, microfluidic chambers and fluorescence to get an improved picture of how E. coli get around. (Science Daily)
Advanced Battery Technologies, Inc. Announces $19 Million Registered Direct Offering Oct 1, 2009
Advanced Battery Technologies, Inc., founded in September 2002, develops, manufactures and distributes rechargeable Polymer Lithium-Ion (PLI) batteries ... ABAT's batteries combine high-energy chemistry with state-of-the-art polymer technology to overcome many of the shortcomings associated with other types of rechargeable batteries. (Primezone Releases)
Stimulus-funded university research addressing issues from climate change to cancer, creating jobs and training a new generation of scientists Sep 30, 2009
When the molecules are assembled, they can be used to support polymer coatings and the formation of a new kind of hydrogel. Because of its unique structure, this hydogel can function like living tissues. (EurekAlert! -- Business News)
Better Brain Implants Using Polymer Nanotubes Sep 30, 2009
Step Toward Better Brain Implants Using Conducting Polymer Nanotubes ... Step Toward Better Brain Implants Using Conducting Polymer Nanotubes ... The new brain implants developed at U-M are coated with nanotubes made of poly(3,4-ethylenedioxythiophene) (PEDOT), a biocompatible and electrically conductive polymer that has been shown to record neural signals better than conventional metal electrodes. (Science Daily)
Nanoparticle-based Battlefield Pain Treatment Moves A Step Closer Sep 26, 2009
They use nanotechnology to devise ultra-small polymer particles capable of carrying the drugs into the body. The development of the combination drug makes possible a precise feedback system that can safely regulate release of the drugs aboard the nanoparticles. (Science Daily)
Paper Battery May Power Electronics In Clothing And Packaging Material Sep 25, 2009
The most promising materials include so-called conductive polymers or "plastic electronics." One conductive polymer, polypyrrole (PPy), shows promise, but was often regarded as too inefficient for commercial batteries ... Nystro%u0308m et al. Ultrafast All-Polymer Paper-Based Batteries ... 24, 2007) A paper-like, polymer based rechargeable battery has been made by Japanese scientists. (Science Daily)
Anti-cancer therapies: Identifying the enemy within Sep 24, 2009
America s Food and Drug Administration has already approved both the polymer the implant is made from and the active agents it uses. Although approval for the implants will still be required, the process could be relatively quick. (The Economist)
A Recipe For Controlling Carbon Nanotubes Sep 22, 2009
(July 23, 2006) Polymer scientists at NIST have shown how the amount of force applied while mixing carbon nanotube suspensions influences the way the tiny cylinders ultimately disperse and orient themselves, which. (Apr. (Science Daily)
Pivotal Registration Trial of OPAXIO Maintenance Therapy in First-Line Ovarian Cancer Reaches Enrollment Milestone of 600 patients, Cell Therapeutics and the Gynecologic Oncology Group Discuss Potential for Early Interim Analysis Sep 22, 2009
OPAXIO(TM) (paclitaxel poliglumex, CT-2103), which was formerly known as XYOTAX(TM), is an investigational, biologically enhanced, chemotherapeutic that links paclitaxel, the active ingredient in Taxol(R), to a biodegradable polyglutamate polymer, which results in a new chemical entity. When bound to the polymer, the chemotherapy is rendered inactive, potentially sparing normal tissue's exposure to high levels of unbound, active chemotherapy and its associated toxicities ... Once inside the... (PR Newswire)
Killing Cancer Like A Vampire Slayer: New Drug Cuts Off Blood Supplies To Starve Cancer Tumors Sep 19, 2009
She bound existing cancer drugs to an inert polymer that doesn't react with the immune system. "Like a stealth airplane," she says, the polymer passes through the body's defense system unnoticed ... In a second study, she found that loading her polymer with the anti-cancer drug Taxol could inhibit tumor growth by 50%, compared to a Taxol dose that had no effect on tumor growth at all. (Science Daily)
Researchers prolong the half-life of biopharmaceutical proteins Sep 19, 2009
PEG is a random coil long-chain polymer string that swells by adsorbing water ... However, unlike many PEG compounds, there is no danger of this biological polymer accumulating in the body. (EurekAlert!)
Friction Force Differences Could Offer A New Means For Sorting And Assembling Nanotubes Sep 18, 2009
"We have shown an anisotropy in the friction coefficient of carbon nanotubes in the transverse and longitudinal directions, which has its origin in the soft lateral distortion of tubes when the tip-tube contact is moving in the transverse direction. Our findings could help in developing better strategies for chirality sorting, large-scale self-assembling of nanotubes on surfaces, and designing nanotube adhesives and nanotube-polymer composite materials." ... (July 23, 2006) Polymer scientists at... (Science Daily)
Super Bedsheet Solves Delivery-room Problems Sep 17, 2009
The principle of an absorbent polymer material is well known , says Stenstad ... The products are made up of three layers: the bottom layer acts as a humidity barrier while the mid-layer is a superabsorbent polymer, topped by a gauze-like layer in contact with the skin; this is intended to allow fluids to pass rapidly through it ... We carried out a survey of damp-absorbent polymers in use today; for example in nappies. (Science Daily)
Ultra-fine fibres can now be strengthened with carbon Sep 16, 2009
"Although polymer nanofibres have a certain strength, they have not been strong enough for some potential applications," said Minoo Naebe from Deakin University, whose research resulted in the discovery. "Our research looked at how carbon nanotubes - tiny graphite tubes which are one of the strongest materials ever discovered - could be used to strengthen polymer nanofibres," she said ... "Polymer nanofibres are created through a process called electro-spinning, which uses an electrical charge... (India Times, India -- Health/Science)
Water quality in orbit Sep 14, 2009
To test whether drinking water is adequately disinfected, space station astronauts will collect galley water in sealed plastic bags, and then use syringes to remove some water from the bags and push it through a cartridge that contains a half-inch-diameter, polymer, porous-membrane disk impregnated with a chemical to detect either iodine or silver. The disks, known as "solid phase extraction membranes," capture either iodine or silver, depending on the chemical in the disk. (EurekAlert!)
Looking deeply into polymer solar cells Sep 14, 2009
This is a 3-D electron tomography image of a polymer-metal oxide solar cell ... Researchers from the Eindhoven University of Technology and the University of Ulm have made the first high-resolution 3D images of the inside of a polymer solar cell ... This gives them important new insights in the nanoscale structure of polymer solar cells and its effect on the performance. (EurekAlert!)
Photo: Advanced Electron Beams Revolutionizes Aseptic Bottle Filling with New Sterilization Technology Sep 14, 2009
AEB's emitters are used in common processes such as sterilization, curing, polymer treatment and pollution abatement across industries including pharmaceutical and medical device, food and beverage, printing and packaging, industrial coatings and plastics manufacturing. For more information about Wilmington, Mass,-based AEB, visit. (PR Newswire)
Sasol Limited Financial Results for the Year Ended 30 June 2009 Sep 14, 2009
Sasol Polymers - positive contribution from offshore operations. Operating profit decreased by 37% to R946 million compared to the previous year, mainly due to the sharp decline in polymer sales prices in the latter part of the year ... The resulting margin squeeze was partially offset by additional production volumes at Arya Sasol Polymers plants, which made a positive contribution to our operating profit. (PR Newswire)
Start-up seeks way to clean up after oil Sep 13, 2009
One of David Soane s best-known start-up companies, California-based Nano-Tex Inc., treats fabrics with a special polymer so they resist oily stains ... Soane has developed two polymers he thinks can help clean up the ponds ... One polymer attaches itself to the fine particles of clay in the waste water, and another attaches itself to the sand. (Boston Globe)
Petit back, new role with MiMedx Group Sep 12, 2009
MiMedx holds a license for a polyvinyl alcohol (PVA) polymer that may be used to treat damaged soft-tissue trauma and disease in the spine and as a barrier for scar-tissue formation after surgery. The company is also developing a proprietary collagen-based fiber that act as platforms or scaffolds on which a patient s tissue grows during the healing process to achieve healthy tissue reconstruction without major scarring. (Atlanta Business Chronicle, GA)
Graffiti-free Historic Buildings: Breathable Coating Provides Protection Sep 11, 2009
Special anti-graffiti polymer coatings have been on the market for several years ... There are conflicting requirements for this kind of polymer coating it mustn t seal the pores, because it is important that there should be a continuous exchange of air between the building and the external environment, and at the same time it has to prevent the spray paint from penetrating the pores ... Moreover, since we re dealing with historic landmarks, it must be possible to completely remove the coating... (Science Daily)
Polymer Journal Sep 11, 2009
456* 31/73 in Polymer Science. Editor-in-chief: Toshikazu Takata. (Nature News Service)
Using Microbes For The Quick Clean Up Of Dirty Oil Sep 9, 2009
Storm drains fitted with a spongy material -- a synthetic polymer similar to those used in diapers -- can catch household pollutants such as paint. . (Science Daily)
Huntsman to Close Australian Styrenics Operations Sep 8, 2009
The Australian styrenics site is the last commodity polymer plant remaining in the Huntsman portfolio after its divestitures to Nova in 1998, SABIC in 2006, and Flint Hills Resources in 2007. Products produced at the site represent less than 2% of Huntsman's 2008 global sales. (PR Newswire)
Organic Electronics A Two-way Street, Thanks To New Plastic Semiconductor Sep 8, 2009
"By now having polymer semiconductors that can transmit both positive and negative charges, it broadens the available approaches. This would certainly change the way we do things." ... About 30 years ago it was discovered that some plastics, or polymers, can conduct electricity ... Over the past few years the group has created polymers with a donor and an acceptor part, and carefully adjusted the strength of each one. (Science Daily)
Hawaii company develops, markets high-tech cleaner Sep 3, 2009
Christina Failma, PBN Roberto Mandanas, left, CBI Polymers general manager, and Garry Edgington, chief scientist, work with DeconGel in their Honolulu laboratory ... The company now has four divisions that follow a model of rapid research and development and commercial development, including its CBI Polymers division, which created the gel ... After a year of laboratory testing and prototyping, Cellular Bioengineering launched its polymers division late last year to focus on commercial sales for... (Pacific Business News, HI)
The Science Of Longer Lasting Lager Sep 1, 2009
They imprinted riboflavin-shaped pockets into a polymer by synthesising it in the presence of riboflavin tetra-acetate template molecules ... "An important transition [for molecularly imprinted polymers] from being artificial receptors used in laboratory applications to being scrubbers capable of selectively removing unwanted, toxic or irritating compounds from many types of consumer products" - Nicholas Snow, Seton Hall University, South Orange, US ... According to Sellergren, his molecularly... (Science Daily)
Mysterious Charge Transport In Self-assembled Monolayer Transistors Unraveled Sep 1, 2009
In a joint project Philips Research, the Eindhoven University of Technology (TU/e), the University of Groningen, the Holst Centre, the Enikolopov Institute for Synthetical Polymer Materials in Moscow and the Technical University in Graz, Austria discovered that this decrease is determined by the monolayer coverage, which could be explained with a widely applicable two-dimensional percolation model. The ultimate chemical sensor. (Science Daily)
City tasks innovation center with ending brain drain Aug 31, 2009
In the new materials industry, Changchun has considerable comparative strength into the research of high-polymer chemistry and physics, rare earth chemistry and electroanalytical chemistry. The innovation center is expected to promote the application of such frontier sciences as the production of new polymer materials, nano materials, special construction materials and new medical materials. (Xinhuanet, China)
PGI Reaches Agreement to Sell FabPro Unit to Tricor Pacific Capital, Inc. Aug 25, 2009
CHARLOTTE, N.C., Aug. 24 /PRNewswire-FirstCall/ -- Polymer Group, Inc. (OTC Bulletin Board: POLGE; POBLE) today announced it has reached an agreement to sell its wholly owned subsidiary, FabPro Oriented Polymers, LLC, to an affiliate of Tricor Pacific Capital, Inc. The agreement is subject to customary closing conditions and is expected to be completed within 30 days ... Based in Kingman, FabPro is one of the leading manufacturers, developers and marketers of high performance polymers and... (PR Newswire)
Sinopec Corp. Announces 2009 Interim Results Aug 24, 2009
2) Synthetic fiber monomer and polymer 3,721 3,768 (1. 2) Synthetic fiber 629 681 (7. (PR Newswire)
ON TOUR / From pond to faucet Aug 23, 2009
Tom Fennessey of the Water Department makes sure he has enough concentrated polymer that would be mixed with water to help purify it. It helps the solid settled out from the water. (Cohasset Mariner, MA)
Novel polymer could improve protein-based drugs Aug 20, 2009
DURHAM, N.C. A new method for attaching a large protective polymer molecule to a protein appears to improve protein drugs significantly. Bioengineers at Duke University developed the new approach and demonstrated in an animal model that the newly created protein-polymer combinations, known as conjugates, remained in circulation significantly longer than an unprotected protein ... To get around this problem, drug makers have been attaching another molecule, a polymer known as polyethyleneglycol... (EurekAlert!)
Icy Exposure Creates Armored Polymer High-Tech Foams Aug 20, 2009
19, 2009) Chemists and engineers at the University of Warwick have found that exposing particular mixtures of polymer particles and other materials to sudden freeze-drying can create a high-tech armored foam that could be used for a number of purposes, including a new range of low power room temperature gas sensors ... However when trying to create particularly strong, stable polymer foam structures engineers and chemists today tend to rely on more complicated processes ... The most... (Science Daily)
Molecules Wrestle For Supremacy In Creation Of Superstructures Aug 19, 2009
9, 2009) Researchers have produced amphiphilic hybrid particles made of a water-insoluble inorganic nanoparticle at the core surrounded by a bristle-like layer of hydrophilic polymer chains. The. (Science Daily)
Biolubricants Made With Sunflower Oil Just As Efficient As Traditional Ones Aug 19, 2009
This work, published in the Environmental Science and Technology journal and titled "Viscosity modification of high-oleic sunflower oil with polymeric additives for the design of new biolubricant formulations," reveals that these vegetal oil components are a clear alternative as a base for lubricants, due to their high biodegradability and low volatility. This project, led by Cr;spulo Gallegos, and another related project from the Spanish Science and Innovation Ministry in collaboration with... (Science Daily)
Braille Displays Get New Life With Artificial Muscles Aug 18, 2009
Bar-Cohen came up with an idea to create a "living Braille," a digital, refreshable Braille device using electroactive polymers, also known as artificial muscles ... Recently, Bar-Cohen was contacted by the Center for Braille Innovation of the Boston-based National Braille Press to reach out to the Electroactive Polymer community and take advantage of his role in this field ... To produce a page of refreshable Braille using electroactive polymers requires individually activating and controlling... (Science Daily)
UGA, UPR grant license for long-persistence glow materials, in any color Aug 18, 2009
They can be used in a multitude of consumer and industrial applications, including signage, special paints, and in combination with polymers for the manufacture of many items, such as color-coded electric wiring, insulation, textiles, novelty-items and printing ink ... Also licensed under the same agreement are methods to customize the wavelength of emitted light, white-emitting phosphors, methods to render hues and tints to emitted light and methods to blend such phosphors with a multitude of... (EurekAlert! -- Business News)
New eco-friendly self-cleaning material tough on stains, light on effort Aug 17, 2009
"We put out tons of detergents and phosphates each year," said Youngblood, adding that the polymer materials also could reduce the use of detergents for laundering clothes ... "The idea is to use these polymers to clean in situations where it's inconvenient to apply soap or anywhere you would need to have oil cleaned off easily," said Youngblood, a materials engineer at Purdue University in West Lafayette, Ind ... These polymer coatings about 20,000 times thinner than the width of a human hair... (EurekAlert!)
Camera flash turns an insulating material into a conductor Aug 13, 2009
But these techniques could be problematic when graphite oxide is mixed with something else, such as a polymer, because the polymer component may not survive the high-temperature treatment or could block the reducing chemical from reacting with graphite oxide ... When using a light pulse, photothermal heating not only reduces the graphite oxide, it also fuses the insulating polymer with the graphene sheets, resulting in a welded conducting composite. (EurekAlert!)
New light-emitting biomaterial could improve tumor imaging, study shows Aug 11, 2009
A new material developed at the University of Virginia an oxygen nanosensor that couples a light-emitting dye with a biopolymer simplifies the imaging of oxygen-deficient regions of tumors ... The new material is based on poly(lactic acid), a biorenewable, biodegradable polymer that is safe for the body and the environment, and is easy and inexpensive to fabricate in many forms, including films, fibers and nanoparticles ... chemistry professor, synthesized the new material by combining a... (EurekAlert!)
