Can nanotechnology sequence DNA by pulling single molecules through a slit in graphene?

It has not been tested experimentally yet, but if a proposal to use graphene as a nanotech method to sequence DNA very rapidly and inexpensively pans out, the “wonder material” of nanotechnology could find yet another use.

Toward molecular level data storage with nanotechnology

British scientists are investigating telescoping carbon nanotubes as a nanotech replacement for current computer memory technologies.

Public approval for using nanotechnology for human enhancement limited to improving health

Recently announced results of a US national survey on nanotech applications for “human enhancement” show widespread public support for enhancements seen as promising an improvement in human health, but little support for other uses.

UK report urges more tests of health and environmental effects of nanotechnology products

The report concludes that nanotech products are coming to market without adequate tests for safety based upon the unique properties of the nanomaterials.

Nanotechnology art honors President-Elect Obama

Today we have a nanotech nod to last week’s historic election for US President and an example of the artistic possibilities of nanotechnology.

Nanotechnology minimizes problems with medical implants

Nanotech membranes made of nanoporous alumina coated with diamond-like carbon films promise to minimize problems with medical implants.

Mass production method for nanotechnology wonder material

The publication of a method to mass produce graphene has opened the way to further study of this remarkable nanomaterial.

Using nanotechnology to build backpacks for cells

A patch consisting of three layers of polymers can be loaded with nanoparticles and attached to living cells to give them nanotech backpacks.

DNA nanotechnology provides an improved tweezers

Re-engineering a simple nanotech device to make it more functional, Chinese scientists have developed an improved DNA tweezers that is able to capture, hold, and release a target molecule in a controlled manner.

Mechanosynthesis with AFM as a step toward advanced nanotechnology

Robert A. Freitas Jr. brings to our attention a major step on the road to advanced nanotech, published a couple weeks ago in Science (abstract). He writes: This paper reports purely mechanical-based covalent bond-making and bond-breaking (true mechanosynthesis) involving atom by atom substitution of silicon (Si) atoms for tin (Sn) atoms in an Sn monolayer… Continue reading Mechanosynthesis with AFM as a step toward advanced nanotechnology

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