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Journal Highlight: Attomol-level ATP bioluminometer for detecting single bacterium

Date: Aug 8, 2017

Author: spectroscopyNOW

An automated high-sensitive ATP bioluminometer with ultra-high sensitivity has been developed for detecting single bacteria.

Read More thumbnail image: Journal Highlight Attomol-level ATP bioluminometer for detecting single bacterium

Taking the pulse: Fast-action laser pulses

Date: Aug 1, 2017

Author: David Bradley

A system that can repeatedly deliver a filtered laser pulse of 0.19 mJ of energy at a repetition rate of 100 kHz has been developed by US researchers. Pulses of 7 femtoseconds duration are available for for experiments with this system.

Read More thumbnail image: Taking the pulse Fast-action laser pulses

Journal Highlight: Development and validation of an ultraviolet–visible spectrophotometric method for determination of phenylethyl resorcinol in new topical nanoemulsions

Date: Jul 10, 2017

Author: spectroscopyNOW

A rapid, simple and efficient UV–vis spectrophotometric method was developed for the quantification of phenylethyl resorcinol, a potent skin-lightening agent, incorporated into new topical nanoemulsions, and to validate this method according to ICH guidelines.

Read More thumbnail image: Journal Highlight Development and validation of an ultravioletvisible spectrophotometric method for determination of phenylethyl resorcinol in new topical nanoemulsions

Bacterial power: Polymer boost for fuel cell

Date: Jul 1, 2017

Author: David Bradley

By coating individual bacterial cells with an electron-conducting polymer, polypyrrole, researchers in Singapore were able to build a high-performance anode for microbial fuel-cell applications. They used UV-Vis spectroscopy and other techniques to monitor their progress and test their device.

Read More thumbnail image: Bacterial power Polymer boost for fuel cell

Journal Highlight: Intrinsic fluorescence and mechanical testing of articular cartilage in human patients with osteoarthritis

Date: Jun 5, 2017

Author: spectroscopyNOW

The correlation between the intrinsic fluorescence of articular cartilage and its biomechanical properties in patients with osteoarthritis has been examined.

Read More thumbnail image: Journal Highlight Intrinsic fluorescence and mechanical testing of articular cartilage in human patients with osteoarthritis

Reflecting on mirrors: UV telescopes

Date: Jun 1, 2017

Author: David Bradley

NASA is developing techniques that will allow it to create highly reflective aluminium mirrors that are sensitive to a broad spectrum of electromagnetic radiation from the infrared, through the visible to the far-ultraviolet regions.

Read More thumbnail image: Reflecting on mirrors UV telescopes

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
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