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Journal Highlight: Li-S battery analyzed by UV/Vis in operando mode

Date: Aug 12, 2013

Author: spectroscopyNOW

UV/Vis spectrophotometry has been used to study the polysulfides in Li–S batteries to help in elucidating the operational mechanism.

Read More thumbnail image: Journal Highlight Li-S battery analyzed by UVVis in operando mode

Martian atmospherics: Peering into the past

Date: Aug 1, 2013

Author: David Bradley

An Imaging Ultraviolet Spectrometer will provide complementary data to the  Neutral Gas and Ion Mass Spectrometer (NGIMS) and other instruments aboard NASA's MAVEN spacecraft, which is destined for Mars and will measure the gas composition of the Red Planet to give us a clearer picture of its past.

Read More thumbnail image: Martian atmospherics Peering into the past

Journal Highlight: Super-resolution fluorescence imaging of directly labelled DNA: from microscopy standards to living cells

Date: Jul 8, 2013

Author: spectroscopyNOW

This minireview provides an update of recent progress in super-resolution fluorescence imaging methods for DNA.

Read More thumbnail image: Journal Highlight Super-resolution fluorescence imaging of directly labelled DNA from microscopy standards to living cells

Lip up: Fatty molecules investigated

Date: Jul 1, 2013

Author: David Bradley

Fatty lipid molecules in the human body act not only as energy storage molecules and structural elements but are also important signalling compounds. Lipids with their head in a molecular cage have now been used to study such molecules and their roles in diseases such as atherosclerosis and diabetes.

Read More thumbnail image: Lip up Fatty molecules investigated

Journal Highlight: Spectroscopic studies on nicotine and nornicotine in the UV region

Date: Jun 10, 2013

Author: spectroscopyNOW

The UV absorption and electronic circular dichroism (ECD) spectra of (R)- and (S)-nicotine and (S)-nornicotine in aqueous solution were measured to a significantly lower wavelength range than previously reported, allowing the identification of four previously unobserved electronic transitions.

Read More thumbnail image: Journal Highlight Spectroscopic studies on nicotine and nornicotine in the UV region

Colours to dye for: Spray on pigments

Date: Jun 1, 2013

Author: David Bradley

Japanese scientists have developed a new type of colouring agent that is not only environmentally friendly but does not fade like conventional textile dyes and pigments. The colourants consist of submicrometre-sized silicon dioxide particles and carbon black and can be sprayed on to the desired surface to generate bright colours that are permanent and highly fade resistant.

Read More thumbnail image: Colours to dye for Spray on pigments

Journal Highlight: Determination of the anti-viral drug Ribavirin in dosage forms via micelle-enhanced spectrofluorimetric method

Date: May 7, 2013

Author: spectroscopyNOW

A simple and sensitive spectrofluorimetric method was developed for the determination of Ribavirin in pharmaceutical formulations, based on its fluorescence spectral behaviour in a sodium dodecyl sulfate micellar system.

Read More thumbnail image: Journal Highlight Determination of the anti-viral drug Ribavirin in dosage forms via micelle-enhanced spectrofluorimetric method

Sweet red wine: Ultraviolet exposure

Date: May 1, 2013

Author: David Bradley

UV-Vis spectroscopy has been used for the first time to study phenolics and other compounds present in a type of sweet, red wine emerging from the North West of Spain. The approach could be used to study the components of other beverages too as well as offering quality analysis (QA) data on produce.

Read More thumbnail image: Sweet red wine Ultraviolet exposure

Journal Highlight: Visible and near infrared fluorescence spectral flow cytometry

Date: Apr 8, 2013

Author: spectroscopyNOW

Spectral flow cytometry instruments, software and experimental design that allow spectral flow cytometry to be integrated with conventional flow cytometry approaches are described and several near infrared emitting fluorophores are evaluated.

Read More thumbnail image: Journal Highlight Visible and near infrared fluorescence spectral flow cytometry

Chlorophyll f: UV sheds some light on infrared molecule

Date: Apr 1, 2013

Author: David Bradley

Chlorophyll f is the most red-shifted natural chlorophyll and is made by the blue-green alga Halomicronema hongdechloris. Researchers have now carried out a structural assignment UV-Vis spectroscopy and other techniques. New insights into chlorophyll and its variants is important for understanding photosynthesis as well as for research into energy conversion, electron transfer applications.

Read More thumbnail image: Chlorophyll f UV sheds some light on infrared molecule
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