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Increase in CD230 (cellular prion protein) fluorescence on blood lymphocytes in BSE-infected nonhuman primates

Date: Mar 8, 2010

Author:

Simian cellular prion protein epitopes were mapped by flow cytometry using monoclonal antibodies. Blood lymphocytes from asymptomatically infected as well as diseased macaques were characterized by increased CD230 fluorescence.

Read More thumbnail image: Increase in CD230 cellular prion protein fluorescence on blood lymphocytes in BSE-infected nonhuman primates

Sunscreen spies

Date: Mar 1, 2010

Author: David Bradley

Sunscreen and boron can work together to make a compound that changes colour when touched under ultraviolet light. The compound changes from blue-green to yellow with the gentlest of rubs and then reverts quickly to blue-green when gently warmed, although the process is reversible at room temperature.

Read More thumbnail image: Sunscreen spies

Electrical and optical properties of polyaniline with a weblike morphology

Date: Feb 8, 2010

Author:

A method was described for the preparation of nanostructured polyaniline via the oxidation polymerization of aniline hydrochloride in the presence of an anionic surfactant.

Read More thumbnail image: Electrical and optical properties of polyaniline with a weblike morphology

Carbon dioxide trap and drop

Date: Feb 1, 2010

Author: David Bradley

The reduction of greenhouse gas carbon dioxide to a useful chemical industry feedstock material, carbon monoxide, can be catalysed by a ruthenium-substituted polyoxometalate according to a new study. The work holds the promise of our developing a carbon-neutral energy platform.

Read More thumbnail image: Carbon dioxide trap and drop

An open-source deconvolution software package for 3-D quantitative fluorescence microscopy imaging

Date: Jan 11, 2010

Author:

Deconv, an open-source deconvolution software package, was developed for 3-D quantitative fluorescence microscopy imaging and was released under the GNU Public License.

Read More thumbnail image: An open-source deconvolution software package for 3-D quantitative fluorescence microscopy imaging

Snagging supernova spectra

Date: Jan 1, 2010

Author: David Bradley

Spectroscopy reveals that an extraordinarily bright, very long-lasting supernova named SN 2007bi, spotted in the night sky by a robotic telescope is the first example of the earliest type of star in the universe.

Read More thumbnail image: Snagging supernova spectra

An ab initio simulation of the UV/visible spectra of N-benzylideneaniline dyes

Date: Dec 7, 2009

Author:

The structural parameters and absorption spectra of more than 30 N-benzylideneaniline dyes have been determined with a theoretical scheme combining the time-dependent density functional theory and the polarizable continuum model.

Read More thumbnail image: An ab initio simulation of the UVvisible spectra of N-benzylideneaniline dyes

Golden arsenic assessment

Date: Dec 1, 2009

Author: David Bradley

A new light-scattering technique that uses gold nanoparticles can selectively detect arsenic ions, without interference from dissolved alkali and alkali earth metals, improving on water tests based on Raman and SPR. UV-Vis spectroscopy was used in conjunction with tunnelling electron microscopy to characterise the nanoparticles themselves.

Read More thumbnail image: Golden arsenic assessment

Quality of sour cream packaged in cups with different light barrier properties measured by fluorescence spectroscopy and sensory analysis

Date: Nov 9, 2009

Author:

The photooxidation of sour cream packaged in cups with different light barrier properties was investigated by sensory analysis and front face fluorescence spectroscopy.

Read More thumbnail image: Quality of sour cream packaged in cups with different light barrier properties measured by fluorescence spectroscopy and sensory analysis

Methylmercury marker

Date: Nov 1, 2009

Author: David Bradley

Detecting methylmercury usually involves complex sample preparation and a sophisticated analytical procedure. Now, a European team has developed a novel approach to detecting this hazardous substance much more quickly and easily using a new type of fluorescent marker.

Read More thumbnail image: Methylmercury marker
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