Nanoparticle News articles from January 2001

Nanoparticle News archives from January 2001

Hydrogen-Loading Behavior of Nano-Mg Investigated.(Brief Article)
January 1, 2001... A team of researchers from the Structural Materials Centre (Hants, U.K.), University of Strathclyde (Glasgow, U.K.) and the Naval Research Laboratory (Washington, DC) have studied the hydrogen-loading characteristics of nanocrystalline Mg,...

Thermal Stability Impacted by Tin Oxide Concentration.(Brief Article)
January 1, 2001... The thermal stability of hydrothermally prepared colloidal suspensions of tin oxide increases at lower tin oxide concentrations, say researchers from the Advanced Science and Technology Center for Cooperative Research, Kyushu University...

Biomedical Applications of Metal Nanoparticles.
January 1, 2001... Introduction Nature has made highly efficient use of nanostructures and nanoparticles from various materials for million of years. Examples are high-strength materials like nanostructured sea shells or microorganisms using magnetic...

Glass Coating Improves YSZ Particle Densification.(Brief Article)
January 1, 2001... The presence of a glass coating on nanocrystalline yttria-stabilized zirconia (YSZ) powders improves the particle densification behavior, according to researchers at the Technion-Israel Institute of Technology (Haifa, Israel). The researchers...

Adding Mo Improves CO Tolerance.(Brief Article)
January 1, 2001... By alloying molybdenum with platinum and carefully controlling the particle size and loading level of the alloy particles, engineers from the E-Tek Division of De Nora, N.A. have developed Pt-based anode catalysts for polymer electrolyte...

News Briefs.
January 1, 2001... Nanophase Receives Order for Ceramic Membrane Powders. Nanophase Technologies Corp. (Romeoville, IL) has received an initial order for its Nanotek metal oxides for use in ceramic membrane products, which are used to filter gases in...

Support Chemistry Impacts Catalytic Metal Dispersion.(Brief Article)
January 1, 2001... In their design of a novel partial oxidation catalyst for fuel cell applications, a team of Argonne National Lab researchers, led by Michael Krumpelt and Shabbir Ahmed of the chemical technology division, have exploited interactions between the...

Reducing Agent Added to Transparent Film.(Brief Article)
January 1, 2001... By adding a reducing agent to the upper layer of a two-layer, transparent conductive film, it is possible to prevent oxidation of the conductive metal nanoparticles in the lower layer during sintering, say researchers from Toshiba. This...

Electrical Resistance Altered by Rotation.(Brief Article)
January 1, 2001... Analogous to controlling electric flow to lights by turning a dimmer switch, scientists at the University of North Carolina at Chapel Hill (UNC) and North Carolina State University (NC) have found that they can control the electrical resistance...

UF Technique Detects Airborne Particles.(Brief Article)
January 1, 2001... A University of Florida (UF) professor has found a way to detect and identify extremely low levels of particulate air pollution as concerns mount over the health impacts of breathing in small particles. David Hahn, a UF professor of...

AFM with Nanotube Probe Wins Award.(Brief Article)
January 1, 2001... A novel scanning probe microscope with a carbon nanotube probe received an award from the Joint Research Center for Atom Technology (JRCAT), a Japanese government laboratory. The microscope, which is expected to allow higher resolution...

Nanophase Settles Class Action Suit.(Brief Article)
January 1, 2001... Following a hearing on December 6, 2000, the United States District Court for the Northern District of Illinois ordered preliminary approval of a $4,025,000 settlement of five consolidated securities class actions filed against Nanophase...

DuPont and Air Products Form Slurry Joint Venture.(Brief Article)
January 1, 2001... DuPont iTechnologies and Air Products and Chemicals, Inc. have formed a joint venture -- DuPont Air Products NanoMaterials L.L.C. -- to develop, manufacture, and market colloidal silica-based slurries for electronic precision polishing or...

Altair Extends Research Agreement with Heyrovsky Institute.(Brief Article)
January 1, 2001... The alternative energy group of Altair Intl., Inc. (Cody, WY) has completed the first phase of testing its nanocrystalline materials and is advancing its services agreement with the J. Heyrovsky Institute of Physical Chemistry (Prague, Czech...

Electrophoretic Approach Assembles Nanoparticle Array.(Brief Article)
January 1, 2001... A three-dimensional array of gold nanoparticles can be assembled on a nanostructured Ti[O.sub.2] template by subjecting a colloidal gold suspension to a dc electric field (50-500 V), say researchers from the Notre Dame Radiation Laboratory...

Better Magnetic Tapes Formed from Coated Iron Oxide.(Brief Article)
January 1, 2001... Researchers from Toda Kogyo Corp. (Hiroshima, Japan) and Hiroshima University (Higashi-Hiroshima, Japan) have found that magnetic tapes fabricated from iron oxide particles coated with carbon black perform better than tapes formed from uncoated...

Partners Commercialize Fe-C Drug Delivery.(Elan Corporation PLC, FeRx Inc.)(Brief Article)
January 1, 2001... FeRx, Inc. is partnering with Elan Corp., plc to develop, manufacture, and commercialize FeRx's microparticle drug delivery system, MTC-DOX, for the treatment of primary liver cancer. MTC-DOX is currently in Phase I/II clinical trials in the...

Market for Nanotubes to Surge Soon.(Brief Article)
January 1, 2001... Nanotubes, cylinders of carbon atoms with diameters ranging from I nm to 300 nm, are some of the strongest, stiffest materials known. These materials are either conductors or semiconductors depending on their structure and environment....

Argonide Adds Alumina Whiskers to Product Line.(Brief Article)
January 1, 2001... Argonide has introduced a novel form of ceramic/sorbent -- Nanoceram alumina whiskers with an average diameter of 2 nm and with aspect ratios ranging from tens to hundreds. The individual whiskers, which boast a surface area ranging from...

SDK Focuses on Specialty Products.(Showa Denko KK)(Brief Article)
January 1, 2001... Japanese ceramics supplier Showa Denko K.K. (SDK) is reorganizing its ceramics business to focus on high-tech and value-added specialty products for the electronics industry, such as ultrafine powders for abrasive polishing slurries. SDK...

Contamination Eliminated, and Particle Size Reduced.(Brief Article)
January 1, 2001... Murata Manufacturing (Japan) chemists have devised a precipitation method to produce a sub-100-nm nickel powder without introducing contaminants from the reducing agent. The method involves reducing a metal salt by hydrazine or hydrazine...

Vapor Phase Process Yields Nanowire Array.(Brief Article)
January 1, 2001... General Motors (Detroit, MI) and Delphi Technologies (Troy, MI) engineers have patented a method to form an array of submicron-size metal wires in a host body. The method involves generating a metal vapor and exposing it to a horizontal...

JHU Study Points to Particles as Cause of Ill Health.(Brief Article)
January 1, 2001... A Johns Hopkins University (JHU, Baltimore, MD)study found that dust and soot particles in the air cause between 20 and 200 premature deaths a day in urban areas. The coast-to-coast study of health in urban centers showed that ill health from...

Nanophase Technologies Plans Capital Investment.(Brief Article)
January 1, 2001... Nanophase Technologies Corp. announced plans to make significant investments in its two facilities in 2001 to meet demand for its products. The company anticipates investing approximately $2 million in its Burr Ridge, Illinois, nanopowders...

Cabot to Double Capacity in Japan.(Brief Article)
January 1, 2001... Cabot Microelectronics Corp. plans to expand manufacturing capacity by 100% at its facility in Oaza-Kitakoyama Industrial Park in Geino, Japan, as a result of escalating customer demand for its chemical-mechanical polishing (CMP) slurries in...

Radiation Enhances Nanoparticle Drug Delivery.(Brief Article)
January 1, 2001... The interaction of laser pulses or ultrasonic radiation with nano-or microparticles can be exploited to improve the delivery of drugs to tumor sites while minimizing damage to normal tissues, according to researchers at the University of Texas...

Sub-100-nm Particle Size Key to BaTi[O.sub.3] Properties.(Brief Article)
January 1, 2001... Engineers from Murata Manufacturing (Japan) have produced a sub-100-nm barium titanate powder suitable for use as a raw material to fabricate a positive temperature coefficient (PTC) thermistor. Because of its fuse-like behavior, a PTC...