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2119 results for "Highlights"

Speech Processing

Vocal fingerprints

24 November 2009

More secure voice identification systems could stem from an improved algorithm for comparing speech patterns

Hepatitis

Arming the body against liver cancer

10 November 2009

Immune cells that target tumors can be boosted in chronic hepatitis B sufferers

Genetics

Maintaining ‘arrested development’

10 November 2009

Embryonic stem cells keep their developmental options open with help from two recently identified genes

Genetics

A new part of the program

10 November 2009

A novel transcription factor can facilitate the reprogramming of somatic cells into stem cells

Micro-machining

At the cutting edge

10 November 2009

Experiments with a tiny diamond cutting tool reveal how different materials respond to micro-machining

Electron-beam Lithography

Fine-lined patterns refined

10 November 2009

High-resolution patterns for miniaturizing devices can be achieved using modified fabrication materials

Lanthanides

Side by side by synthesis

10 November 2009

Nitrogen atom-directed ortho-lithiation aids preparation of anti-HIV drug

Nanotechnology

Combating fatal brain infections

27 October 2009

Custom-built antimicrobial peptides can cross the blood–brain barrier and destroy harmful bacteria and fungi

Surfaces

Molecular machines shift into gear

27 October 2009

Construction of the world’s smallest controllable gear sets the stage for new nanoscale mechanical devices

Genetics

Old before their time

27 October 2009

A seemingly innocuous metabolic enzyme may play a key role in bringing about premature aging

Genetics

Calling in reinforcements

27 October 2009

A protein known for its role in antiviral defense works behind the scenes steering immune cell development and activity

Nanotechnology

Watching the heart

27 October 2009

A sensor made from silicon nanowires could warn doctors when a patient is at risk of a heart attack

Nanowires

When is ultrathin too thin?

27 October 2009

Theoretical studies suggest that silicon nanowires shorter than 3 nm lose their intrinsic electronic characteristics when incorporated between metal electrodes

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