Cleaning defects from carbon nanotubes for use in nanotechnology

Wrapping Single-Walled Carbon Nanotubes (SWNTs) with a molecular sleeve made from an analog of Vitamin B2 protects the SWNTs from defects caused by oxygen and renders them much more useful for nanotech applications.

DNA nanotechnology builds large structures from information-rich seeds

DNA origami structures act as seeds to program the construction of structures up to 100 times larger.

A nanotechnology route to quantum computers through hybrid rotaxanes

A major advance in molecular machine fabrication allows the construction of rotaxane molecular shuttles in which organic and inorganic components are mechanically linked in the same molecular structure.

Conference to tackle ethics of nanotechnology and human enhancement

Conference to tackle what they claim is “the single most important issue in science & society in this century.”

Nanotechnology targets cancer cells with dumbbell-like particles

By joining an iron oxide nanoparticle bearing a tumor-specific antibody with a gold nanoparticle bearing an anti-cancer drug, scientists created a dumbbell-like nanotech vehicle that delivered the drug into breast cancer cells.

Videos from Convergence08 Unconference available

Jeriaska has made available videos of presentations from Convergence08, held on November 15-16, 2008 in Mountain View, California, to examine the convergence of NBIC (Nano-Bio-Info-Cogno) technologies. Among those of special interest to Nanodot readers: Mapping a Cone of Uncertainty, Paul Saffo Convergence: Artificial Intelligence Panel, Peter Norvig, Steve Omohundro, Ben Goertzel, Barney Pell Convergence: Synthetic… Continue reading Videos from Convergence08 Unconference available

Nanotechnology proposed to improve bone implants

Nanotech advances are leading toward bone implants that are are smart, multifunctional devices that will be capable of improved integration with surrounding bone tissue, and that will resist inflammation, bacterial growth, and the recurrence of bone cancer.

Synthetic ribosomes may prove useful tool for nanotechnology

The relevance of the ribosome to nanotech may be greatly increased by the announcement that synthetic ribosomes have been created and used to synthesize a complex protein named firefly luciferase.

Another nanotechnology approach to gene regulation for cancer therapy

Another promising nanotech approach to harnessing the potential of siRNA molecules is to pack them on the surface of gold nanoparticles.

Optical effects direct carbon nanotube growth for nanotechnology

Using optical near-field effects with a laser to localize heating effects, scientists were able to induce the growth of 1.4-nanometer-diameter ultra-short single-walled carbon nanotubes between the sharp tips of electrodes separated by about 200 nm.

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