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Journal Highlight: The characterization of plant species using first-derivative fluorescence spectra

Date: May 8, 2017

Author: spectroscopyNOW

The first-derivative fluorescence spectral curves based on laser-induced fluorescence have been proposed for the characterization of plant species from their leaves.

Read More thumbnail image: Journal Highlight The characterization of plant species using first-derivative fluorescence spectra

Mushrooms on the defensive: UV enzyme clues

Date: May 1, 2017

Author: David Bradley

Ultraviolet-visible (UV/Vis) spectroscopy and various other techniques, including MALDI mass spectrometry and 1D adn 2D nuclear magnetic resonance (NMR) spectroscopy have been used to help explain how mushrooms get defensive.

Read More thumbnail image: Mushrooms on the defensive UV enzyme clues

Journal Highlight: Spectroscopic studies on the interaction of chromium (VI) and chromium (III) with keyhole limpet hemocyanin

Date: Apr 10, 2017

Author: spectroscopyNOW

The interactions of keyhole limpet hemocyanin with chromium nitrate, potassium dichromate, and chromate have been studied using fluorescence, UV–vis absorption and circular dichroism spectroscopy under simulated physiological conditions.

Read More thumbnail image: Journal Highlight Spectroscopic studies on the interaction of chromium VI and chromium III with keyhole limpet hemocyanin

Silver nanoparticles: Fungi to beat bacteria

Date: Apr 1, 2017

Author: David Bradley

Researchers in Brazil and the UK have used UV-Vis spectroscopy, scanning electron microscopy, EDX, and XRD to characterise silver nanoparticles made by soil fungi, with the potential to defeat antibiotic resistant bacteria.

Read More thumbnail image: Silver nanoparticles Fungi to beat bacteria

Journal Highlight: Data fusion of fluorescence and UV spectroscopies improves the detection of cocoa butter adulteration

Date: Mar 13, 2017

Author: spectroscopyNOW

Fluorescence and UV spectroscopies have been used synergistically for the detection of cocoa butter adulteration with cocoa butter equivalents, using principal component regression models.

Read More thumbnail image: Journal Highlight Data fusion of fluorescence and UV spectroscopies improves the detection of cocoa butter adulteration

Mercury lights up swordfish: UV fluorophore

Date: Mar 1, 2017

Author: David Bradley

A fluorescent polymer that lights up when it comes into contact with mercury has been developed to test levels of the metal in edible fish, such as tuna and swordfish, according to researchers in Spain.

Read More thumbnail image: Mercury lights up swordfish UV fluorophore

Journal Highlight: Preparation of thermoresponsive fluorescent carbon dots for cellular imaging

Date: Feb 6, 2017

Author: spectroscopyNOW

Thermoresponsive fluorescent nanoparticles containing carbon dots have been synthesized for use in cellular labeling, showing long-term biostability in a cellular environment.

Read More thumbnail image: Journal Highlight Preparation of thermoresponsive fluorescent carbon dots for cellular imaging

Natural sunscreen: Blooming algae protect sunbathers

Date: Feb 1, 2017

Author: David Bradley

Ultraviolet screening agents derived from algal natural products that protect the marine microbes from the sun can boost the sun protection factor of skin creams used by sunbathers by a factor of more than two according to Spanish researchers.

Read More thumbnail image: Natural sunscreen Blooming algae protect sunbathers

Journal Highlight: New approaches to characterize polymeric oil additives in solution based on pyrene excimer fluorescence

Date: Jan 9, 2017

Author: spectroscopyNOW

New methodology for characterizing the complex steady-state and time-resolved fluorescence signals emitted by pyrene-labelled polyolefins used as dispersants in engine oils has been reviewed.

Read More thumbnail image: Journal Highlight New approaches to characterize polymeric oil additives in solution based on pyrene excimer fluorescence

White wine: Spectroscopic phenolic

Date: Jan 6, 2017

Author: David Bradley

UV-Vis, laser induced fluorescence and Raman spectroscopic techniques can be used to investigate the phenolic acids present in white wines, according to research published in the journal Food Chemistry by researchers in France.

Read More thumbnail image: White wine Spectroscopic phenolic
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