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Ultraviolet rocketeers: Cosmic hydrogen fuel

Date: Jan 7, 2016

Author: David Bradley

US rocketeers launched the most sensitive instrument they’ve ever used to explore space, recording ultraviolet observations of hydrogen gas, the main fuel of star formation that pervades all galaxies. 

Read More thumbnail image: Ultraviolet rocketeers Cosmic hydrogen fuel

Journal Highlight: Effects of fungal species, cultivation time, growth substrate, and air exposure velocity on the fluorescence properties of airborne fungal spores

Date: Dec 7, 2015

Author: spectroscopyNOW

The major factors that affect the fluorescence properties of airborne fungal spores of three species have been studied using fluorescence-based bioaerosol detectors, the results being useful for field measurements and lab studies.

Read More thumbnail image: Journal Highlight Effects of fungal species cultivation time growth substrate and air exposure velocity on the fluorescence properties of airborne fungal spores

Male or female: Gender fingerprinting

Date: Dec 1, 2015

Author: David Bradley

US researchers have taken another step forward to make it easier for law enforcement to catch criminals from fingerprints. Building on an earlier tests that distinguish between blood samples from people of Caucasian and African-American ethnicity and males and females, the team has now demonstrated that they can tell whether a fingerprint belonged to a man or a woman using an optical technique.

Read More thumbnail image: Male or female Gender fingerprinting

Journal Highlight: Simple and precise quantification of iron catalyst content in carbon nanotubes using UV/Visible spectroscopy

Date: Nov 9, 2015

Author: spectroscopyNOW

UV/visible spectroscopy was used to determine the iron catalyst content in carbon nanotubes using a colorimetric technique with 1,10-phenanthroline.

Read More thumbnail image: Journal Highlight Simple and precise quantification of iron catalyst content in carbon nanotubes using UVVisible spectroscopy

Cometary cocktail: Lovejoy has ethanol, glycolaldehyde and other organics

Date: Nov 1, 2015

Author: David Bradley

Comet Lovejoy is releasing vast quantities of two organic compounds - ethanol and glycolaldehyde - in its wake, according to an international spectroscopic study. This is the first time ethanol has been identified in a comet and the presence of this as well as glycolaldehyde adds to the growing evidence that comets may have been the source of complex organic molecules necessary for the emergence of life on Earth.

Read More thumbnail image: Cometary cocktail Lovejoy has ethanol glycolaldehyde and other organics

Journal Highlight: Molecular recognition and visual detection of G-quadruplexes by a dicarbocyanine dye

Date: Oct 5, 2015

Author: spectroscopyNOW

The interactions of a dicarbocyanine dye, 3,3′-diethylthiadicarbocyanine, with DNA G-quadruplexes were studied by a combination of various spectroscopic techniques.

Read More thumbnail image: Journal Highlight Molecular recognition and visual detection of G-quadruplexes by a dicarbocyanine dye

Evolution plays visual leapfrog: Ultraviolet to violet

Date: Oct 1, 2015

Author: David Bradley

The African clawed frog ran an evolutionary competition with its eye's pigment molecules allowing it over the millennia to develop violet as from UV vision.

Read More thumbnail image: Evolution plays visual leapfrog Ultraviolet to violet

Journal Highlight: Combining fluorescence and bioluminescence microscopy

Date: Sep 7, 2015

Author: spectroscopyNOW

A powerful imaging tool for analysis of heterogeneous gene expression together with upstream signaling in live single cells was developed by combining fluorescence and bioluminescence microscopy.

Read More thumbnail image: Journal Highlight Combining fluorescence and bioluminescence microscopy

Military still sees red: Chlorine-free flares

Date: Sep 1, 2015

Author: David Bradley

The carmine colour of pyrotechnic flares used by the military and in maritime and civilian applications is usually generated by strontium monochloride. However, there is an urgent need to reduce chlorine use and now military research has developed a chlorine-free formulation for such flares that in some ways overturns the received wisdom that there was ever a need for a chlorine source in the first place.

Read More thumbnail image: Military still sees red Chlorine-free flares

Journal Highlight: Multicolor fluorescence writing based on host–guest interactions and force-induced fluorescence-color memory

Date: Aug 10, 2015

Author: spectroscopyNOW

A new strategy for multicolor fluorescence writing on thin solid films with mechanical forces has been illustrated by the use of a green-fluorescent pentiptycene derivative which forms variably colored fluorescent exciplexes.

Read More thumbnail image: Journal Highlight Multicolor fluorescence writing based on hostguest interactions and force-induced fluorescence-color memory
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