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Detecting smallest contaminations on semiconductors with aid of synchrotron radiation

Smaller, more accurate, higher performance and lower priced - that is the formula for success for micro- and nanoelectronics. Miniaturisation plays a crucial economic role to-day and contributes significantly to the key technologies of the 21st century; however, the smaller the structures, the more susceptible they are to minimal contaminations.

Zooming in on genetic shuffling

Genetic recombination, the process by which sexually reproducing organisms shuffle their genetic material when producing germ cells, leads to offspring with a new genetic make-up and influences the course of evolution. In the current issue of Nature, researchers at the European Molecular Biology Laboratory (EMBL) in Heidelberg, Germany, and the EMBL-European Bioinformatics Institute (EMBL-EBI) in Hinxton, UK, present the most precise map of genetic recombination yet.

Retina transplants show promise in patients with retinal degeneration

Philadelphia, 10 July 2008 – Preliminary research shows encouraging results with transplantation of retinal cells in patients with blindness caused by retinitis pigmentosa (RP) and age-related macular degeneration (AMD), according to a report in the August issue of American Journal of Ophthalmology (http://www.AJO.com).

Multitasking nanotechnology

Confocal microscope image of a self-assembled monolayer of a polychlorotriphenyl methyl radical patterned on a quartz surface. This multifunctional molecule behaves as an electroactive switch with optical and magnetic response.

Tiny electronically active chemicals can be made to form ordered layers on a surface, thanks to research supported by the European Science Foundation (ESF) through the EUROCORES programne SONS 2 (Self-Organised NanoStructures).

RNA emerges from DNA's shadow

RNA, the transporter of genetic information within the cell, has emerged from the shadow of DNA to become one of the hottest research areas of molecular biology, with implications for many diseases as well as understanding of evolution. But the field is complex, requiring access to the latest equipment and techniques of imaging, gene expression analysis and bioinformatics, as well as cross-pollination between multiple scientific disciplines.

Researchers hack final part of the immune system code

A group of researchers from the University of Copenhagen and the Biocentre at the Technical University of Denmark have managed to decipher the final part of the immune system's key codes.

The same researchers already broke the first part of the codes last autumn, and have now put together a comprehensive picture of how the immune system checks for dangers both in and outside our cells.

DNA sewing machine

Japanese scientists have made a micro-sized sewing machine to sew long threads of DNA into shape. The work published in the Royal Society of Chemistry journal Lab on a Chip demonstrates a unique way to manipulate delicate DNA chains without breaking them.

Scientists can diagnose genetic disorders such as Down's syndrome by using gene markers, or "probes", which bind to only highly similar chains of DNA. Once bound, the probe's location can be easily detected by fluorescence, and this gives information about the gene problem.

Integrated tube cap design simplifies access to medication

Many vitamin pills and tablets such as pain killers are packaged today in cylindrical tubes with a cork-likecap. This will often incorporate some form of desiccant to protect the contents against moisture, while asimple mechanical spring in the tube stops the contents from rattling around.

Comparing apples and pears

Always at your service

The one-armed robot glides slowly to the kitchen table. With its three fingers, it carefully picks up the bottle of apple juice and puts it next to the glasses on the tray in front of it. Then it glides back into the lounge and serves the drinks to the guests. This is how artificial assistants might work in future. Only 1.45 meters high, Care-O-bot® 3 is the prototype of a new generation of service robots designed to help humans in the household.

Polished to perfection

Toothpick: New molecular tag IDs bone and tooth minerals

Enlisting an army of plant viruses to their cause, materials researchers at the National Institute of Standards and Technology (NIST) have identified a small biomolecule that binds specifically to one of the key crystal structures of the body—the calcium compound that is the basic building block of teeth and bone. With refinements, the researchers say, the new molecule can be a highly discriminating probe for a wide range of diagnostic and therapeutic applications related to bones and teeth.

Software agents in automobile production

Good news about $4 gas? Fewer traffic deaths

BIRMINGHAM, Ala. – As unwelcome as they are, higher gasoline prices do come with a plus side – fewer deaths from car accidents, says a researcher at the University of Alabama at Birmingham (UAB).

An analysis of yearly vehicle deaths compared to gas prices found death rates drop significantly as people slow down and drive less. If gas remains at $4 a gallon or higher for a year or more, traffic deaths could drop by more than 1,000 per month nationwide, said Michael Morrisey, Ph.D., director of UAB's Lister Hill Center for Health Policy and a co-author on the new findings.

Mobilizing white blood cells to the lung: New discovery could lead to an improved influenza vaccine

 Dr. David L. Woodland. Dr. David L. Woodland. (Photo Credit: Trudeau Institute)

July, 10, 2008; Saranac Lake, N.Y. -- Findings just published in the scientific journal Immunity by researchers at the Trudeau Institute shed new light on how a previously-unknown messaging mechanism within the human immune system prompts specific influenza-fighting cells to the lung airways during an infection.