Category:Nanotechnology

October 23rd, 2014

Nanoparticle Cancer Treatment Goes Straight to Tumor

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Researchers have developed a nanoparticle to deliver a melanoma-fighting drug directly to the cancer.

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September 10th, 2014

New Tech Opens Door for Single-Molecule Detection, Outdoing Graphene

By Douglas Clark | Comments (0)
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Graphene has serious competition, according to researchers at the University of California at Santa Barbara, who are using molybdenum disulfide or molybdenite (MoS2) as an ultrasensitive semiconductor material for biosensing.

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September 4th, 2014

New Device Harvests Movement to Generate Energy

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A new small device that relies on nanotechnology successfully generates electric current from simple vibrations. Its creators look to relieve the load on batteries or eliminate them completely.

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July 1st, 2014

Embossing Technique Creates New and Better Nanostructures

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Inspired by industrial embossing techniques, researchers have found a technique that produces finer and cleaner nanostructures using widely available industrial equipment.

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December 24th, 2013

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Joint research in Singapore and California has discovered that polyethylene terephthalate (PET), no prescription VANTIN online, VANTIN without prescription, which is often used to make plastic bottles, has superior fungal-killing properties when converted into a non-toxic biocompatible material, VANTIN street price. Reported in the journal Nature Communications, the newly discovered material was found especially effective at destroying drug-resistant fungi and fungal biofilm, VANTIN FOR SALE. Australia, uk, us, usa, Researchers involved in the project are from Singapore’s Institute of Bioengineering and Nanotechnology (IBN) and California’s IBM Research – Almaden (IBM).

The researchers transformed PET into small molecule compounds that self-assemble in water into nanofibers, VANTIN duration. VANTIN dangers, Using electrostatic interaction, the nanofibers were enabled to selectively target fungal cells and penetrate their membrane, get VANTIN, Buy VANTIN from mexico, killing them in the process.

In a statement to Singapore's Agency for Science Technology and Research, online buy VANTIN without a prescription, Canada, mexico, india, Dr Yi Yan Yang, Group Leader at IBN, purchase VANTIN online, VANTIN treatment, noted, “The ability of our molecules to self-assemble into nanofibers is important because unlike discrete molecules, real brand VANTIN online, Where can i order VANTIN without prescription, fibers increase the local concentration of cationic charges and compound mass. This facilitates the targeting of the fungal membrane and its subsequent lysis, VANTIN price, coupon, VANTIN dose, enabling the fungi to be destroyed at low concentrations. The result is a highly efficient killing strategy that causes minimal damage or toxicity to surrounding healthy cells.”

You can read more details about the discovery and research methods here.

Are we losing the battle against drug-resistant fungi and bacteria?


Image: Singapore's Agency for Science Technology and Research

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December 23rd, 2013

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Conventional manufacturing methods of quantum dots only produce minute quantities, low dose DORMONOCT, DORMONOCT gel, ointment, cream, pill, spray, continuous-release, extended-release, and at very high costs. Typically, rx free DORMONOCT, Order DORMONOCT from United States pharmacy, quantum dots are manufactured from semiconductor materials, which emit photons with wavelengths depending on the size of the dot, DORMONOCT from canadian pharmacy, Cheap DORMONOCT, transitioning from red to blue as the size gets smaller. The unique optical properties are exhibited due to the dot’s size (the energy gap between the conduction band and the valence band which grows with decreasing particle size) and not on the material itself, DORMONOCT trusted pharmacy reviews.

Scientists at Rice University cleverly picked the cheapest carbon as their raw material, using three varieties to yield different types of dots, DORMONOCT FOR SALE. DORMONOCT used for, Coal was made to undergo an oxidation process by pulverizing the coal and following it with an acid treatment to break the bonds. The three different sources of coal were used to synthesize different-sized nanoparticles, DORMONOCT photos. DORMONOCT canada, mexico, india, This cheap source of GQD has the potential to replace the more expensive semiconductor-derived quantum dots, with applications ranging from medical imaging, DORMONOCT no rx, Is DORMONOCT safe, photovoltaics, screen displays to usage as antioxidants, fast shipping DORMONOCT. Get DORMONOCT, You can learn more about this research here, low dose DORMONOCT, Buy DORMONOCT without prescription, and in the video below.

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December 18th, 2013

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On Location DESYREL FOR SALE, As part of the "Osmotic Processes for the 21st Century" sessions at the AIChE 2013 Annual Meeting, Dr. DESYREL coupon, Jeffrey McCutcheon of UConn's Center for Environmental Sciences and Engineering made a presentation on nanofiber-supported thin film composite (TFC) membranes. The crux of the talk was that conventional asymmetrical membrane structures cause severe mass transfer limitations, DESYREL no rx, Buy cheap DESYREL, and that future membrane designs needed to focus on mimicking the functionality and specificity of biological membrane systems.

The "Now"


Most membrane operate in a "pressure" mode, kjøpe DESYREL på nett, köpa DESYREL online, Buy generic DESYREL, where the mass transfer driving force is a supplied pressure differential, sometimes at hundreds of psi, DESYREL description. Japan, craiglist, ebay, overseas, paypal, As such, the design of membranes has to account for this, buy DESYREL without prescription, Buy DESYREL no prescription, and a composite structure of an active membrane layer in conjunction with a porous support structure has evolved. This traditional structure has an inherent flaw, in that the support structure is itself a strong barrier to mass transfer of the permeating species.

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In designing a new membrane system, DESYREL online cod, Low dose DESYREL, the first question is whether the approach should be to modify an existing design or concept, or toss tradition aside and design anew, DESYREL recreational. The advantages of a radically new design include the ability to tune the structure and chemistry for specific applications, as well as the possibility of using a variety of special and "selective" materials and polymer processing methods, DESYREL FOR SALE. DESYREL from canadian pharmacy, The disadvantages are the requirement for development of new interfacial polymerization techniques, along with the fact that many novel formation approaches may not be scaleable and/or could be expensive, DESYREL brand name. Is DESYREL addictive, One of the primary goals for a new design was the creation of support layers that are thin, highly porous, online buying DESYREL hcl, Herbal DESYREL, non-tortuous, and hydrophilic, taking DESYREL. DESYREL dosage, Electrospun nanofibers fit the bill.


Electrospinning nanofibers


The goal is to build a radically different and tunable supporting material for thin film composite membranes that combines the benefits of hydrophilicity with high porosity, DESYREL price, Is DESYREL safe, but without sacrificing scaleability. DESYREL FOR SALE, Electrospinning can be used to produce submicron sized fibers in nonwoven mats that exhibit high porosity and low tortuosity. Polymers that can be electrospun in this way include polyacrylonitrile (PAN), cellulose acetate (CA), and nylon. Spun onto polyethyleneterepthalate, about DESYREL, DESYREL reviews, these polymers can be "tuned" with respect to fiber size and morphology, thus allowing customization of performance and selectivity unknown with existing film technologies, DESYREL steet value. DESYREL trusted pharmacy reviews,

Interfacial polymerization



In order to complete the TFC membrane, a process called interfacial polymerization is utilized. Trimesoyl Chloride ( 1,3,5-Benzenetricarboxylic acid chloride) and 1,3-benzene diamine are co-polymerized in contact with the nanofiber mat, and in addition to the co-polymerization, the free (third) acid chloride can react with the nanofibers to form the amide creating an interfacially formed polyamide.

Preliminary indications


Nanofiber TFC membranes are a unique platform for osmotic processes, particularly those of the low pressure variety such as forward osmosis and osmotic dilution. The nanocomposite-supported TFC membranes produced in this research effort exhibit two to three times higher water flux than standard RO membranes, DESYREL FOR SALE.  These membranes can also be made  pressure tolerant for high pressure RO applications.

Jeffrey R. McCutcheonFor more information on the exciting new directions that membrane designs are taking, contact Dr. Jeffrey McCutcheon at the University of Connecticut.

Images: Dr. Jeffrey McCutcheon

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December 10th, 2013

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On Location BUY TAMIFLU NO PRESCRIPTION, Metal sulfides are currently under intense study as alternates to silicon and germanium semi-conductor materials. Metal sulfide nanocrystals (e.g., PbS, CdS, etc.) have typically been synthesized in hot solvent-solution phase systems that bring with them a host of quality and productivity issues. Generic TAMIFLU, Current work at the University of Minnesota seeks to avoid these problems by utilizing a non-thermal plasma reactor and deposition system for nanocrystal production.

Prior process and issues


Using a hot solvent systems, order TAMIFLU online overnight delivery no prescription, Buy cheap TAMIFLU no rx, reactants are injected into the solvent where the nanocrystals form. Once formed, TAMIFLU pharmacy, Where can i buy TAMIFLU online, the nanocrystals must be cast onto a surface. The solvent system is prone to inclusion of impurities in the crystals, TAMIFLU results, TAMIFLU price, coupon, and it is difficult to scale up to achieve high through-put. In addition, the solvent eventually requires disposal as a hazardous waste, TAMIFLU from canada, TAMIFLU brand name, thus adding to the cost and inefficiency overall. In preliminary work at the University of Minnesota, creation of metal sulfide nanocrystals using a non-thermal plasma process, with subsequent crystal deposition, has proven to be a viable alternative for the problematic hot solvent approach, BUY TAMIFLU NO PRESCRIPTION.

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Future Directions


Utilization of other single organometallic constituent feeds including iron, tin, and copper have yielded preliminary positive results. Multiple streams and mixtures will also be evaluated for other significant metal sulfide semiconductor species. For additional information, contact Elijah Thimsen.
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November 7th, 2013

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August 9th, 2013

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