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Journal Highlight: Cancer‐targeting graphene quantum dots: Fluorescence quantum yields, stability, and cell selectivity

Date: Jan 17, 2019

Author: spectroscopyNOW

Ultrastable, highly luminescent graphene quantum dots that selectively target diverse cancer cells have been prepared and tested, opening a new avenue for cancer diagnosis, drug delivery, and therapies.

Read More thumbnail image: Journal Highlight Cancertargeting graphene quantum dots Fluorescence quantum yields stability and cell selectivity

Copper complexes: UV biomedical behaviour

Date: Jan 9, 2019

Author: David Bradley

UV-Vis absorbance profiles have revealed that copper complexes mooted for biomedical applications have different profiles in different physiologically relevant media, such as water, physiological saline and intestinal-like solutions.

Read More thumbnail image: Copper complexes UV biomedical behaviour

Journal Highlight: Convenient and ultra‐sensitive fluorescence detection of bovine serum albumin by using Rhodamine‐6G modified gold nanoparticles in biological samples

Date: Dec 5, 2018

Author: spectroscopyNOW

A fluorescence resonance energy transfer (FRET) method based on Rhodamine‐6G as a donor and gold nanoparticles as acceptors has been developed for detecting BSA in biological fluids.

Read More thumbnail image: Journal Highlight Convenient and ultrasensitive fluorescence detection of bovine serum albumin by using Rhodamine6G modified gold nanoparticles in biological samples

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
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