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Precisely removing individual atoms with microscope creates novel molecule

A molecule with two unpaired electrons too unstable to be made by chemical synthesis was fabricated using a scanning probe microscope to remove two hydrogen atoms from a single molecule adsorbed to a copper surface at ultra low temperature and ultra high vacuum.

Nanotechnology probe 'sees' atoms by chemical type

By now we’ve all seen AFM images of individual atoms — in black and white. Why only B&W? Why can’t the AFM show us the atoms in color, having each color indicate a different chemical element, as in our molecular modeling images? Now it can, and at room temperature, not only super-low temps as before.… Continue reading Nanotechnology probe 'sees' atoms by chemical type

New IBM Electron Microscope

from the imaging-atoms dept.
RobVirkus writes "A new I.B.M electron microscope has a resolving power 'less than the radius of a single hydrogen atom'. The beam is 'only three-billionth of an inch wide' which converted is about 0.0762 NM. The image is also three dimensional imaging up to 10 NM depth. http://www.nytimes.com/2002/08/08/technology/08BLU E.html"

Will new piezoelectric materials lead to new tools for nanotechnology?

Will the integration of a single-crystal material with “giant” piezoelectric properties onto silicon make possible scanning probe microscopes on a chip?

Dip-pen Nanolithography

Mr_Farlops writes "With a scanning probe microscope acting as pen and DNA acting as ink, scientists have built nanoscopic arrays that will soon revolutionize research in molecular biology. These tiny arrays would be the last statement in gene-testing chips because, by reducing things to the ultimate testing compenents, single strands of DNA, they will be much cheaper and faster to make than conventional gene chips.The arrays may have extensive use in nanotechnology as well because the builder can control which strands of DNA bind to which spots on the substrate and since each strand of DNA will only bind with its corresponding complement of base-pairs, one can quickly sort molecules, reagents, enzymes, etc.

"By taking advantage of DNA as a type of biochemical Velcro, we should be able to build a circuit, a catalyst, a sensor or a transistor from the bottom up, instead of the top down." says, Chad A. Mirkin, director of Northwestern Universityís Institute for Nanotechnology and one of the chief developers of dip-pen nanolithography."

An interview with James Gimzewski on BioMedNet

An interesting interview with James Gimzewski, currently a researcher at the UCLA and the California NanoSystems Institute, appeared on 18 January 2002 in the HMS Beagle online magazine hosted by BioMedNet. (Note: access is free, but registration is required.) Gimzewski won the 1997 Foresight Feynman Prize in Nanotechnology for Experimental Work as a member of a team from the IBM Research Division Zurich Research Laboratory, for work using scanning probe microscopes to manipulate molecules. In the interview, he also talks about his nanotechnology research at IBM and his role as a co-founder of the Institute of Nanotechnology in the UK before coming to UCLA/CNSI. Based on his comments in the interview, Gimzewski seems to be yet another scientist in the field who appears to be both excited by the possibilities of advanced nanotechnology, and dismissive of them . . .

An overview of South Korean nanotech programs

from the World-Watch dept.
An intriguing article in the January 2002 issue of Mechanical Engineering magazine ("A bid to take the lead", by Y. Eugene Pak), a publication of the American Society of Mechanical Engineers (ASME), reviews the strategic direction of South Korean plans to become a world leader in nanotechnology by 2010. Pak, a researcher in the MEMS laboratory at the Samsung Advanced Institute of Technology in Kiheung, Korea, near Seoul, notes that "Korea has put forth an ambitious plan that will prepare itself to achieve world-class competitiveness in nanotechnology within the next 10 years." According to Pak, "A panel of experts from government, industry, and academia has drafted a strategic plan for commercialization of nano-technologies. The strategy is a three-tier plan to establish needed infrastructure and human resources by 2005, to commercialize nanotechnology from 2005 onward, and finally to become one of the world's leaders by 2010."

Pak describes many nanotechnology-related research projects in government, university, and industrial laboratories covering nanomagnetic and ferroelectric thin-film processing, carbon nanotubes for molecular electronic devices, quantum dots, quantum computing, nanolithography, single-electron transistors, scanning probe microscope-based surface physics, and nano-electromechanical systems (NEMS). He also notes the Korean Ministry of Health and Welfare has drafted a 10-year plan to carry out research in nanobiotechnology, including nanoscale diagnostic devices, nanoscale treatment systems, and nanobiomimetics.

The formulation of South Koreaís ambitious nanotechnology program was covered here on Nanodot on 25 May, 31 July, and 2 August 2001.

Note: If the above link to the ME article is broken, try this link to the back issues archive (this link may be inactive until the issue is archived).

NanoManipulator allows fine touch at nanoscale

from the tools-of-the-trade dept.
An article on the SmallTimes website ("Tools let scientists virtually reach out and touch a nanotube", by Candace Stuart, 9 Augusut 2001) provides an update on the NanoManipulator, an interactive device that coverts data from a scanning probe microscope into sensory information. High-power graphics programs let an operator see the sample three dimensionally and look at it from various perspectives. A control arm that fits in the hand like a pen allows researchers to guide the probe to any spot on the sample to "feel" it, and allows them to exert force on the molecule to move it around.
The NanoManipulator is the result of seven years of research and development by physics and computer science faculty and students at the University of North Carolina at Chapel Hill. UNC has created a company called 3rdTech, whose goal is to develop products and spin-off business from research at UNC. 3rdTech is commercializing the NanoManipulator system.

2005 Foresight Institute Feynman Prize

Submissions/nominations due July 31, 2005 Richard P. Feynman(1918-1988) Winners of the 2005 Foresight Institute Feynman Prizes in Nanotechnology Prizes for Theoretical and Experimental Nanotechnology Selection Committee for the 2005 Prize Previous Feynman Prize winners Distinctions between the annual Feynman Prizes and the Feynman Grand Prize Submission or Nomination Procedures Winners of the 2005 Feynman Prizes… Continue reading 2005 Foresight Institute Feynman Prize

A Short History of Nanotechnology

A Short History of Nanotechnology 1959 Feynman gives after-dinner talk describing molecular machines building with atomic precision 1974 Taniguchi uses term “nano-technology” in paper on ion-sputter machining 1977 Drexler originates molecular nanotechnology concepts at MIT 1981 First technical paper on molecular engineering to build with atomic precision STM invented 1985 Buckyball discovered 1986 First book… Continue reading A Short History of Nanotechnology

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