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Journal Highlight: Existence of a precipitation threshold in the electrostatic precipitation of oppositely charged nanoparticles

Date: Nov 5, 2018

Author: spectroscopyNOW

The aggregation and precipitation of oppositely charged gold nanoparticles have been studied using UV‐vis measurements.

Read More thumbnail image: Journal Highlight Existence of a precipitation threshold in the electrostatic precipitation of oppositely charged nanoparticles

Controlled electron meandering: Extreme UV

Date: Nov 1, 2018

Author: David Bradley

A new way to generate extreme-ultraviolet emissions with wavelengths of between 10 and 120 nanometres has been developed by Korean scientists. The research could lead to new types of ultrafast spectroscopy, high-resolution imaging, and next-generation lithography.

Read More thumbnail image: Controlled electron meandering Extreme UV

Journal Highlight: Multicolor fluorescence in situ hybridization (FISH) approaches for simultaneous analysis of the entire human genome

Date: Oct 8, 2018

Author: spectroscopyNOW

An overview of the approaches available for genome‐wide analyses using multicolor fluorescence in situ hybridization assays is presented.

Read More thumbnail image: Journal Highlight Multicolor fluorescence in situ hybridization FISH approaches for simultaneous analysis of the entire human genome

Mellow fruitfulness: UV colour clue

Date: Oct 1, 2018

Author: David Bradley

Reflections in the ultraviolet could be key to how different fruits have evolved their colours to attract those animals that eat them and help spread their side. The colours of red plums and cherries, yellow, green, and orange melons, purple figs and aubergines, and every other hue exist in nature.

Read More thumbnail image: Mellow fruitfulness UV colour clue

Journal Highlight: Wide‐range tuning and enhancement of organic long‐persistent luminescence using emitter dopants

Date: Sep 10, 2018

Author: spectroscopyNOW

The characteristics of emissions from organic long‐persistent luminescent systems have been improved by the addition of doping emitter molecules, enabling the development of a wide range of organic glow‐in‐the‐dark paints.

Read More thumbnail image: Journal Highlight Widerange tuning and enhancement of organic longpersistent luminescence using emitter dopants

Safe UV: Savages Staph on syringes

Date: Sep 1, 2018

Author: David Bradley

 A narrow band of ultraviolet, considered safe for human skin has been shown to be very effective at killing drug-resistant pathogens. Delivered through fibre optics, this wavelength of UV could be useful in warding off infections caused by skin piercing and other medical devices.

Read More thumbnail image: Safe UV Savages Staph on syringes

Journal Highlight: Reversible switching between phosphorescence and fluorescence in a unimolecular system controlled by external stimuli

Date: Aug 6, 2018

Author: spectroscopyNOW

A dual‐emissive hexathiobenzene‐based molecule has been reported with significant aggregation‐induced phosphorescence characteristics and reversible switching among blue, green, and yellow phosphorescence that will help to develop smart materials and intelligent optoelectronic devices.

Read More thumbnail image: Journal Highlight Reversible switching between phosphorescence and fluorescence in a unimolecular system controlled by external stimuli

Tethered DNA nanorods: UV lines them up

Date: Aug 1, 2018

Author: David Bradley

A combination of ultraviolet-visible (UV-Vis) spectroscopy and small-angle X-ray scattering have been used to investigate how DNA "linker" strands can coax nano-sized rods to line up in a manner unlike any other spontaneous arrangement of rod-shaped objects.

Read More thumbnail image: Tethered DNA nanorods UV lines them up

Journal Highlight: Breaking the axial diffraction limit: A guide to axial super‐resolution fluorescence microscopy

Date: Jul 9, 2018

Author: spectroscopyNOW

A comprehensive summary of the principles, development, characteristics and applications of existing techniques for improving the axial resolution in axial super-resolution fluorescence microscopy has been presented.

Read More thumbnail image: Journal Highlight Breaking the axial diffraction limit A guide to axial superresolution fluorescence microscopy

Ultraviolet in stereo: Photoelectric effect

Date: Jul 1, 2018

Author: David Bradley

Ultraviolet can assist understanding the photoelectric effect whereby a photon incident on a material causes the ejection of an electron from that material. Researchers in Swizterland have now used attosecond laser pulses to measure the time evolution of this effect in molecules and so can deduce the exact location of such photoionization events.

Read More thumbnail image: Ultraviolet in stereo Photoelectric effect
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