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Sensitive label-free DNA sensing based on metal/fluorophore interactions

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.

Posted: Apr 18th, 2011

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Improved bulk FinFET fabrication process

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.

Posted: Apr 18th, 2011

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Imec reports two breakthroughs in its EUV mask defectivity assessment

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.

Posted: Apr 18th, 2011

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Bringing laboratory technology into the age of automation

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.

Posted: Apr 18th, 2011

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Polysterene spheres self-assembled onto graphene can be used to pattern ribbons and other shapes

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.

Posted: Apr 18th, 2011

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Curing quantum dots with ultraviolet light causes a permanent increase in their light emission efficiency

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.

Posted: Apr 18th, 2011

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