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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

Journal Highlight: Ultrasensitive luminescent in vitro detection for tumor markers based on inorganic lanthanide nano-bioprobes

Date: Dec 5, 2016

Author: spectroscopyNOW

This progress report focuses on the authors' recent efforts on the development of inorganic lanthanide nanoparticles as efficient luminescent nano-bioprobes for the ultrasensitive in vitro biodetection of tumor markers.

Read More thumbnail image: Journal Highlight Ultrasensitive luminescent in vitro detection for tumor markers based on inorganic lanthanide nano-bioprobes

Light switch: Autumn leaves

Date: Dec 1, 2016

Author: David Bradley

Yellow chlorophyll decomposition products are environment-responsive chiral photoswitches researchers in Austria have found using UV-Vis and nuclear magnetic resonance (NMR) spectroscopy, and X-ray crystallography studies.

Read More thumbnail image: Light switch Autumn leaves

Journal Highlight: Geographical classification of Chinese Cabernet Sauvignon wines by data fusion of ultraviolet–visible and synchronous fluorescence spectroscopies: the combined use of multiple wavelength differences

Date: Nov 7, 2016

Author: spectroscopyNOW

The chemometric classification of commercial Chinese Cabernet Sauvignon dry red wines according to the winegrowing region has been carried out by coupling synchronous fluorescence and UV-vis spectroscopies.

Read More thumbnail image: Journal Highlight Geographical classification of Chinese Cabernet Sauvignon wines by data fusion of ultravioletvisible and synchronous fluorescence spectroscopies the combined use of multiple wavelength differences

Flavonols and flavonoids: UV spectroscopic analysis

Date: Nov 1, 2016

Author: David Bradley

Various spectroscopic methods, including UV-Vis, infrared, Raman, nuclear magnetic resonance spectroscopy and electrospray ionization mass spectrometry have been used to investigate the relationship between the molecular structure and biological activity of hydroxyflavonol metal complexes. UV-Vis emerges as the most efficient in understanding the interaction of flavonols with DNA.

Read More thumbnail image: Flavonols and flavonoids UV spectroscopic analysis
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