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Journal Highlight: Development of fluorescent gelators and detection of explosives using fibrous xerogel films

Date: Jul 11, 2016

Author: spectroscopyNOW

Fluorescent gelators containing stilbene segments have been synthesized, characterised and used to detect TNT and RDX vapour by fluorescence quenching.

Read More thumbnail image: Journal Highlight Development of fluorescent gelators and detection of explosives using fibrous xerogel films

Blind wine testing: Anthocyanin database enables identification in the laboratory

Date: Jul 1, 2016

Author: Ryan De Vooght-Johnson

See, sniff, sip, swirl. That's how wine connoisseurs are schooled to judge a prize-winning wine, but researchers envisage more scientific criteria. Published in Rapid Communications in Mass Spectrometry, scientists from China and New Zealand worked together to devise a method and complementary database that enable the identification of a vast array of anthocyanins not possible hitherto.

Read More thumbnail image: Blind wine testing Anthocyanin database enables identification in the laboratory

UV or not UV: Nilotinib monitoring becomes affordable and accessible

Date: Jul 1, 2016

Author: Ryan De Vooght-Johnson

Levels of therapeutic drugs, much like our caffeine fixes, constantly peak and dip as newly administered drug is both absorbed and broken down. What’s more, the level of circulating leukaemia-fighting tyrosine kinase inhibitors at its lowest—its trough—correlates strongly with its effectiveness, scientists have found. Accordingly, the monitoring of drug levels some time after administration aids clinicians in fine tuning their molecular armamentarium.

Read More thumbnail image: UV or not UV Nilotinib monitoring becomes affordable and accessible

Ancient oxygen: ALMA detects distant gas

Date: Jul 1, 2016

Author: David Bradley

Oxygen, glowing because it is bathed in ultraviolet radiation has been detected in a galaxy that existed 700 million years after the Big Bang and whose light has been detected by ALMA, the Atacama Large Millimeter/submillimeter Array.

Read More thumbnail image: Ancient oxygen ALMA detects distant gas

Rational drug design: structure dictates function in amide derivatives

Date: Jun 15, 2016

Author: Ryan De Vooght-Johnson

Amide derivatives can be anti-bacterials, insecticides, painkillers and antidepressants, depending on the interactions they form in the body. This study investigated the influence of their structure on these interactions using a range of multivariate methods, including principal component analysis.

Read More thumbnail image: Rational drug design structure dictates function in amide derivatives

Journal Highlight: Is color-specific photoswitching in dual-color fluorescence systems possible? Manipulating intermolecular energy transfer among two different fluorophores and one photoswitch

Date: Jun 6, 2016

Author: spectroscopyNOW

A rationally designed color-specific photoswitching system composed of two excited-state intramolecular proton transfer fluorophores and a color-specific photoswitchable diarylethene in PMMA film is reported.

Read More thumbnail image: Journal Highlight Is color-specific photoswitching in dual-color fluorescence systems possible Manipulating intermolecular energy transfer among two different fluorophores and one photoswitch

Fungal nano: UV-Vis tests the metal

Date: Jun 1, 2016

Author: David Bradley

Fungi can help researchers make metal nanoparticles from salts much more efficiently than conventional processes, according to a review published in the journal Nanoscale Research Letters.

Read More thumbnail image: Fungal nano UV-Vis tests the metal

Journal Highlight: Color-based automatic detection of worn out varnishes on Stradivari's "Scotland University" violin back plate

Date: May 9, 2016

Author: spectroscopyNOW

A novel program was used to analyse peculiar color hues related to wear in UV-induced fluorescence photographic images on Stradivari's "Scotland University" violin (1734) held in the "Museo del Violino" in Cremona.

Read More thumbnail image: Journal Highlight Color-based automatic detection of worn out varnishes on Stradivaris Scotland University violin back plate

Photonics: Shed a little light

Date: May 1, 2016

Author: David Bradley

Photonics can be an opaque field of endeavour. Now, new research could lend a little transparency to the science by shedding light an alternative approach to applications.

Read More thumbnail image: Photonics Shed a little light

Journal Highlight: Binding of caffeine with caffeic acid and chlorogenic acid using fluorescence quenching, UV/vis and FTIR spectroscopic techniques

Date: Apr 11, 2016

Author: spectroscopyNOW

Fluorescence quenching between caffeine and chlorogenic and caffeic acids can be rationalized in terms of static quenching or the formation of non-fluorescent complexes.

Read More thumbnail image: Journal Highlight Binding of caffeine with caffeic acid and chlorogenic acid using fluorescence quenching UVvis and FTIR spectroscopic techniques
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