Melding nanotechnology and medical research, Sandia National Laboratories, the University of New Mexico, and the UNM Cancer Research and Treatment Center have produced an effective strategy that uses nanoparticles to blast cancerous cells with a melange of killer drugs.
To date, plasmonic properties have been limited to nanostructures that feature interfaces between noble metals and dielectrics. Now, researchers have shown that plasmonic properties can also be achieved in the semiconductor nanocrystals known as quantum dots. This discovery should make the field of plasmonics even hotter.
With two recent studies, imec scientists contribute to the field of label-free DNA sensing. The measurement technique they have refined is based on the fact that metallic films and nanoparticles absorb the light of nearby light-emitting fluorophores. In one study, the quenching and enhancement of the emitted light was studied and quantified with a wide range of gold nanoparticles and DNA hairpin probes. In a second study and using similar probes, the technique was used to demonstrate a functional label-free genosensor.
A new process flow to fabricate FinFETs in bulk Si has shown significant advancements in critical FinFET fabrication steps. Key issue of the new fabrication method is the use of a plasma-free dry oxide removal process. FinFETs, obtained with this new integration scheme and co-integrated with planar CMOS in the same wafer, showed good morphological and electrical characteristics.
Imec, together with some of its partners in the Advanced Lithography Program, has demonstrated the need for improved capability of the EUV supplier community to detect printing mask blank defects. And together with Zeiss SMS, a compensation technique to mitigate such defects has been demonstrated experimentally.
There are numerous materials which become superconducting at ultralow temperatures. However, this property competes with ferromagnetism which normally suppresses superconductivity. This does not happen with a material consisting of the elements bismuth and nickel with a diameter of only a few nanometers.
Researchers at North Carolina State University have found one of the first roadblocks to utilizing graphene by proving that its conductivity decreases significantly when more than one layer is present.
Select Biosciences, organisers of European Lab Automation (ELA) 2011, are delighted to announce that the Advances in Microarray Technology, Lab-on-a-Chip European Congress and Next Gen Sequencing Europe meetings will be joining the streams of this new, highly topical conference and exhibition, held in Hamburg, Germany, from 30 June - 1 July 2011.
Sheets of graphene are useful in many situations for their lack of an energy barrier, or bandgap, to prevent electrons from moving freely. For electronic devices such as transistors, however, a bandgap and the corresponding semiconducting behavior are essential, and narrow ribbons of graphene are known to display this property. Researchers have now reported a simple and scalable method for manufacturing such graphene nanoribbons.
Semiconductor-based light-emitting devices that produce while light are beginning to replace incandescent light-globes in homes and offices around the world thanks to their high efficiency. Researchers have now shown that curing polymer-embedded quantum dots with ultraviolet light can permanently increase the light-emitting efficiency of these elements as part of white-light devices.
For the first time, scientists have made star-shaped, biodegradable polymers that can self-assemble into hollow, nanofiber spheres, and when the spheres are injected with cells into wounds, these spheres biodegrade, but the cells live on to form new tissue.
In two new studies, researchers provide the first detailed view of the elaborate chemical and mechanical interactions that allow the ribosome - the cell's protein-building machinery - to insert a growing protein into the cellular membrane.
On April 15, the Subcommittee on Research and Science Education held a hearing to examine the National Nanotechnology Initiative (NNI) and address the nation's nanotechnology research and development priorities for the future.