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Making a good impression: Nanoimprint lithography tests at NIST

Apr 29, 2008 | User rating: 3.9 / 5 after 8 vote(s) | pda version

In what should be good news for integrated circuit manufacturers, recent studies by the National Institute of Standards and Technology have helped resolve two important questions about an emerging microcircuit ...


Nanopores That Can Recognize, Separate Proteins and Small Molecules

Feb 25, 2008 | User rating: 4.6 / 5 after 9 vote(s) | pda version

Nanopores, holes less than one-thousand the width of a human hair, are capable of isolating strands of DNA or therapeutic drugs from a solution, based mostly on the size of the pores. Now, a chemist at the University of Massachusetts ...


New technique could dramatically lower costs of DNA sequencing

Dec 12, 2007 | User rating: 4.8 / 5 after 20 vote(s) | pda version

Using computer simulations, researchers at the University of Illinois have demonstrated a strategy for sequencing DNA by driving the molecule back and forth through a nanopore capacitor in a semiconductor chip. The technique ...


Artificial Nanopores Take Analyte Pulse

Jul 31, 2007 | User rating: 4.8 / 5 after 4 vote(s) | pda version

Resistive pulse sensing represents a very attractive method for identifying and quantifying biomedical species such as drugs, DNA, proteins, and viruses in solution.


Semiconductor membrane mimics biological behavior of ion channels

Jul 12, 2007 | User rating: 4.3 / 5 after 15 vote(s) | pda version

A semiconductor membrane designed by researchers at the University of Illinois could offer more flexibility and better electrical performance than biological membranes. Built from thin silicon layers doped with different ...


DNA sieve -- Nanoscale pores can be tiny analysis labs

May 11, 2007 | User rating: 4.6 / 5 after 12 vote(s) | pda version

Imagine being able to rapidly identify tiny biological molecules such as DNA and toxins using a system that can fit on a microchip or in a drop of salt water. It’s closer than you might think, say a team of ...


Scientists Hand-Make Devices Smaller than 10 Nanometers

Apr 27, 2007 | User rating: 4.4 / 5 after 41 vote(s) | pda version

A research team from the University of Pennsylvania has used an electron beam to hand-carve ultra-small metal structures and devices, all with dimensions below 10 nanometers, from very thin metal sheets. Their ...


Researchers use 'nanopore channels' to precisely detect DNA

Apr 05, 2007 | User rating: 4.4 / 5 after 14 vote(s) | pda version

Researchers at Purdue's Birck Nanotechnology Center have shown how "nanopore channels" can be used to rapidly and precisely detect specific sequences of DNA as a potential tool for genomic applications in ...


MIT's molecular sieve advances protein research

Sep 12, 2006 | User rating: 4.5 / 5 after 8 vote(s) | pda version

New MIT technology promises to speed up the accurate sorting of proteins, work that may ultimately aid in the detection and treatment of disease.


Nanopore Method Could Revolutionize Genome Sequencing

Apr 06, 2006 | User rating: 3.7 / 5 after 51 vote(s) | pda version

A team led by physicists at the University of California, San Diego has shown the feasibility of a fast, inexpensive technique to sequence DNA as it passes through tiny pores. The advance brings personalized, ...


$2 billion market in nanopore

Jul 15, 2005 | User rating: 1 / 5 after 1 vote(s) | pda version

Sponges with pores only nanometers in diameter could help lead to advanced fuel cells in hydrogen-powered cars, as well as super-coolants to keep perishable drugs fresh and devices to clean out toxins in the body, experts ...


Oil Worth Its Weight in Gold in Directed Nanomachining

May 25, 2005 | User rating: 5 / 5 after 2 vote(s) | pda version

The world of nano-machines has moved a step closer to reality, thanks to researchers who have found a way to sculpt material at the nanoscale in a predictable, controllable and inexpensive manner by using a conducting liquid ...


Tiny Holes Offer Giant Glimpse into Future

Dec 24, 2004 | User rating: 4 / 5 after 1 vote(s) | pda version

Miniscule holes in a single molecule detector being developed at the University of Arkansas may hold the key to enormous advancements in the medical and biological sciences.
Jiali Li, an assistant professor of physics, ...


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