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New Study Shows the Nanotoxicity of Nanoparticles

The ability of nanoparticles to cross the lung-blood barrier suggests that they may translocate to blood and to targets distant from their portal of entry. Nevertheless, nanotoxicity in organs has received little attenti...

21 Dec 2008

Biophysicists Advance Understanding of Nanomachines in the Body

A discovery by Canada-U.S. biophysicists will improve the understanding of ion channels, akin to little 'nano-machines' or 'nano-valves' in our body, which when they malfunction can cause genetic illnesses that attack muscles, the central nervous system and the heart.

18 Dec 2008

New Label-Free Imaging Technique Set to Revolutionize Biomedical Imaging

The key to this new chemical imaging technique is the use of two lasers with different frequencies. Researchers visualize samples by tuning the laser frequencies to match the vibrational frequency of a specific chemical bond. Each type of molecule within a sample, including nutrients or drugs, is detectable at a unique frequency.

18 Dec 2008

New Centrifugation Method Capable of Separating Carbon Nanotubes

Double-walled carbon nanotubes (DWNTs) can be separated from mixtures of single- (SWNTs) and multiwalled nanotubes (MWNTs) by using a centrifugation method recently developed at Northwestern University

18 Dec 2008

Introducing NanoArt Online Competition - A New Art Discipline

NanoArt is a new art discipline at the art-science-technology intersections. It features nanolandscapes (molecular and atomic landscapes which are natural structures of matter at molecular and atomic scales) and nanosculptures (structures created by scientists and artists by manipulating matter at molecular and atomic scales using chemical and physical processes).

17 Dec 2008

New "Super-Resolution" Fluorescence Microscopy Technique Reveal Features of Cells at 20-30 nanometers (nm)

Thanks to a new "super-resolution" fluorescence microscopy technique, Harvard University researchers have succeeded in resolving the features of cells as miniscule as 20-30 nanometers (nm), an order of magnitud...

17 Dec 2008

Physics Professor Named Fellow of the American Physical Society for Development of Synthesizing Carbon Nanotubes

Clemson University professor of physics and astronomy Apparao Rao has been named a Fellow of the American Physical Society. Fellows are elected by their peers for outstanding contributions to physics. Fellowship is limit...

16 Dec 2008

New Method to Electrically Characterize Individual Carbon Nanotubes

A single batch of carbon nanotubes -- molecular carbon cylinders that may one day revolutionize electronics engineering -- often includes more than 100 types of tubes, each with different optical and electrical properties. Individual electrical measurements of the molecules typically require such slow and expensive methods as electron-beam lithography.

15 Dec 2008

Agilent Technologies Introduce New LC/MS Capable of Detecting Two Trillionths of a Gram

Agilent Technologies Inc. (NYSE:A) today introduced the Agilent 6230 Accurate-Mass time-of-flight (TOF) liquid chromatograph/mass spectrometer (LC/MS) system. This new instrument can detect and identify compounds in amou...

From Agilent Technologies Inc. 15 Dec 2008

Novel X-Ray Technique Allows Never Seen Before Observation of Molecular Motion

A novel x-ray technique allowing the observation of molecular motion on a time scale never reached before has been developed by a team of researchers from EPFL and the Paul Scherrer Institute (PSI) in Switzerland. Result...

14 Dec 2008