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Nano Manufacturing May Not Be Scalable

Nano Manufacturing May Not Be ScalableAll those R&D teams working feverishly to bring their products to market may be in for an unpleasant surprise — their materials may not be transferable to manufacturing at industrial scale. In the case of nano pillars, for example, intrinsic variability may prevent them from progressing past proof of concept, according to a study by Mike Kelly of the University of Cambridge's Centre for Advanced Photonics and Electronics. Current process equipment lacks the ability to fabricate structures with 3 nm design rules reproducibly in a top-down approach. At the same time, self-assembly techniques aren't sufficiently predictable to produce defect-free material in large volumes.


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Long-travel Nanopositioning Stages Catalog
Aerotech, Inc.

Long-travel Nanopositioning Stages Catalognano Motion Technology presents Aerotech's nanopositioners for laboratory/industrial applications. Products include single- and dual-axis linear nanopositioners with 1 nm resolution, ±250 nm accuracy, and travels of 25-160 mm; rotary nanopositioners with 0.01 arc-second resolution, 0.005 arc-second in-position stability, and 360 degree continuous rotation; and goniometer, vertical lift, and 'Z' nanopositioners.

Ultrasonic Nanoparticle Dispersion Systems
Qsonica, LLC

Ultrasonic Nanoparticle Dispersion SystemsDisperse, deagglomerate, and reduce particle size with a new Sonicator ultrasonic processor. A variety of systems are available for small to large sample volumes. Our new, high powered 1,375 W system is capable of processing up to 20 L/min. Contact Qsonica and mention GlobalSpec for a special 5% discount.

Plasma Spraying Nano Materials with
the 100HE

Progressive Surface

Plasma Spraying Nano Materials with the 100HESuspension plasma spray (SPS) and solution precursor plasma spray (SPPS) are two recent advancements in thermal spraying that permit coatings to be made from nano particles 50 nm (0.000002 in.) in diameter. These coatings have higher wear and protective properties. The 100HE is also used in the manufacture of nano powders.

NOTIO™ Nano-crystal Structure Controlled Elastomer
Mitsui Chemicals America, Inc.

NOTIO™ Nano-crystal Structure Controlled ElastomerNOTIO™ from Mitsui Chemicals America, Inc. is a flexible, low density, transparent elastomer that can be used as a modifier for other compounds, achieving a balance of impact resistance, scratch resistance, heat resistance, transparency, flexibility and elasticity, and elimination of whitening upon bending. NOTIO™ enables the development of higher-value, better functioning products.

Continuing Education . . .
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Keeping Current in a Changing World.
Excelsior College

Keeping Current in a Changing World. Introducing the online Bachelor of Science in Electrical Engineering Technology. This ABET-accredited program offers a new cutting-edge concentration in nanotechnology. With an innovative curriculum designed and taught by seasoned industry experts, this degree will position you to take the lead in the dynamic field of electrical engineering technology. One of the few bachelor's degree programs anywhere offering you a concentration in nanotechnology. Learn more.

Research & Development . . .
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Nanoparticles Deliver Tumor Knockout

Nanoparticles Deliver Tumor KnockoutNanostructures are making headlines as drug-delivery platforms. Mesoporous silica nanoparticles functionalized with doxorubicin demonstrated a 10 to 12% uptake in tumor tissue, say UCLA researchers. The approach appears to increase therapeutic benefit while decreasing side effects. Elsewhere, researchers have leveraged the characteristic pH of tumor tissue to develop a removable polymer coating for nanoparticles. The coating protects the particle in the bloodstream, but degrades rapidly in the acidic environment around the tumor to release its payload.

Nanovaults Battle Cancer

Nanovaults Battle CancerBy engineering biologically formed nanoscale capsules to release an immune-triggering protein, UCLA researchers have demonstrated a new method for inhibiting tumor growth. The group modified naturally occurring protein-based vaults to secrete excess amounts of a chemokine known as CCL21. When injected into lung tumors in mice, the vaults stimulated an immune response. The therapy shows promise for preventing cancer recurrence.

Materials & Structured Products . . .
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Glass Nanofibers Heal Wounds

Glass Nanofibers Heal WoundsBorate glass nanofibers can help heal chronic wounds caused by poor circulation, experiments in Missouri have shown. The bio-active material consists of cotton-like 300 nm to 5 µm fibers that provide a scaffold to allow blood platelets to form a scab. Meanwhile, lithium leaching out of the glass creates an alkaline environment that kills bacteria such as staph, and calcium helps promote healing. According to the study and the nurse who administered the treatments, the material seems to disappear as the wound heals.

Carbon Composite Monitors Chemical
Exposure

Carbon Composite Monitors Chemical ExposurePhotonic crystals formed of carbon nanofibers can act as chemical sensors, opening the possibility of respiratory filters that can monitor worker exposure to hazardous materials. Using a porous silicon rugate filter as a template, researchers built carbon/silicon composite structures that change color upon absorbing volatile organic compounds. The nanofibers provide an order of magnitude increase in sensitivity compared to porous silicon.

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Nanotechnology and Specialty Ceramic
Components

Insaco, Inc.

Nanotechnology and Specialty Ceramic ComponentsAs society settles into the 21st century, things are getting smaller and smaller. It's often been said that it's becoming a 'Nano world'. Nanotechnology is becoming more important in photonics, energy, semiconductor processing, and the medical and life sciences industries. Learn more.

Titanate Nano Powders (Barium, Strontium
Titanate)

TPL, Inc.

Titanate Nano Powders (Barium, Strontium Titanate)TPL offers a range of titanate powders with controlled size and chemistry. The nano-size powders are produced via an aqueous, low temperature process that allows for binary and tertiary oxide compositions with controlled stoichiometries. The particle sizes (50 to 400 nm) are ideal for ultra-thin dielectric layers in composites and ceramic capacitors.

Devices . . .
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Ferromagnetic Beads Enhance Biosensor
Readout

Ferromagnetic Beads Enhance Biosensor ReadoutA microfluidic sensor leverages ferromagnetic nanoparticles to detect hazardous materials and transmit the results. Oregon State University researchers functionalized iron oxide nano beads with biochemical probes that cause them to bind to the materials of interest. To test a sample, they add it to a microfluidic chip with the beads, then apply a microwave signal. If the bead concentration is sufficiently high, the resultant ferromagnetic resonances in the nanoparticles will cause the signal to rise above background.

AFM Cantilever Forms Single-electron
Transistor

AFM Cantilever Forms Single-electron TransistorUsing an atomic force microscope (AFM) as a sort of high-tech Etch-A-Sketch, researchers have fabricated a 1.5 nm single-electron transistor. The devices consist of source and drain electrodes separated by a conducting-oxide island through which single electrons tunnel. The group starts with a strontium titanate crystal overlaid with a 1.2 nm thick lanthanum aluminate layer. They use the cantilever tip of the AFM at the interface of the two to form the island and the electrodes that control the population of electrons on the island. Applications include force and charge sensors, as well as next-generation computing.

Manufacturing & Commercialization . . .
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Viruses Direct Nanocomposite Formation

Viruses Direct Nanocomposite FormationBy controlling the fabrication of carbon nanocomposites using a genetically engineered virus, Massachusetts Institute of Technology researchers have improved the conversion efficiency of dye-sensitized solar cells by a factor of more than 25%. A single-walled carbon nanotube core is surrounded by a titanium dioxide (TiO2) shell. During manufacturing, peptides in the virus positionally stabilize the nanotubes, then the virus produces the TiO2 coating. The organisms also render the nanotubes water-soluble, making them compatible with aqueous processing. The group cycles the viruses through the various steps in the process by adjusting the pH of the environment.

Solving the Nanocrystal Doping Challenge

Solving the Nanocrystal Doping ChallengeDoping provides an essential design tool in semiconductor manufacturing. Technological barriers have previously prevented the application of the technology to strongly confined colloidal semiconductor nanocrystals, however. Now, Hebrew University researchers have overcome the challenge, producing n- and p-doped semiconductor nanocrystals using a room temperature doping method.

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Plain Bearings: New Nano Material
'iglide X'

igus® inc.

Plain Bearings: New Nano Material Maintenance-free plastic plain bearings made from iglide® T500, 1 of 12 standard materials from bearings specialist igus®, are high-tech problem solvers for temperature-, pressure- and chemical-critical applications. The company is now launching an advanced bearing material using nano particles.

Low Density Microsphere

Trelleborg Offshore Boston, Inc.

Low Density MicrosphereEccospheres® glass microspheres are the materials of choice throughout the world for the formulation of high strength-to-weight syntactic adhesives, edge sealants, core fillers, and reinforcing compounds. From Trelleborg Offshore Boston, Inc.

Careers & Commentary . . .
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Understanding IP Pitfalls

Understanding IP PitfallsIn a rapidly innovating sector like nano technology, intellectual property (IP) is every bit as important as R&D. To navigate the market, you need to be as informed on business and patent issues as on synthesizing nanoparticles. Learn to avoid pitfalls in both protecting and acquiring IP. Stay abreast of patent issues so that you can steer your venture to success.

Diversions . . .
Nanotech Sends Fashion to the Dogs

Nanotech Sends Fashion to the DogsIf you needed more proof of how nanotechnology can improve the world, look no further than Dog Gone Smart Pet Products, which uses nanotech-enabled textiles to produce everything from doggie beds to horse blankets. The fabrics provide contamination and bacteria resistance. The product line also features nano-based leashes and collars for the smart and stylish dog, in 'basic' and 'fashion' colors. Don't laugh — the American Pet Products Association predicts spending on Fido to exceed $50 billion this year in the U.S. alone.

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About This Month's Topic

About This MonthNanoregulation: Technology or Politics?

Is politics overtaking science in the rush to regulate nanotechnology?


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Welcome! Nanopaprika was cooked up by Hungarian chemistry PhD student in 2007. The main idea was to create something more personal than the other nano networks already on the Internet. Community is open to everyone from post-doctorial researchers and professors to students everywhere.

There is only one important assumption: you have to be interested in nano!

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Dr. András Paszternák, founder of Nanopaprika

Publications by A. Paszternák:

Pd/Ni Synergestic Activity for Hydrogen Oxidation Reaction in Alkaline Conditions

The potential use of cellophane test strips for the quick determination of food colours

pH and CO2 Sensing by Curcumin-Coloured Cellophane Test Strip

Polymeric Honeycombs Decorated by Nickel Nanoparticles

Directed Deposition of Nickel Nanoparticles Using Self-Assembled Organic Template,

Organometallic deposition of ultrasmooth nanoscale Ni film,

Zigzag-shaped nickel nanowires via organometallic template-free route

Surface analytical characterization of passive iron surface modified by alkyl-phosphonic acid layers

Atomic Force Microscopy Studies of Alkyl-Phosphonate SAMs on Mica

Amorphous iron formation due to low energy heavy ion implantation in evaporated 57Fe thin films

Surface modification of passive iron by alkylphosphonic acid layers

Formation and structure of alkylphosphonic acid layers on passive iron

Structure of the nonionic surfactant triethoxy monooctylether C8E3 adsorbed at the free water surface, as seen from surface tension measurements and Monte Carlo simulations