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Journal Highlight: Detection and quantification of multiple RNA sequences using emerging ultrasensitive fluorescent in situ hybridization techniques

Date: Mar 14, 2019

Author: spectroscopyNOW

Detailed protocols have been described for using the RNAscope and BaseScope to detect RNA transcripts in neuronal tissue, including the extraction of quantitative data from hybridized tissue sections.

Read More thumbnail image: Journal Highlight Detection and quantification of multiple RNA sequences using emerging ultrasensitive fluorescent in situ hybridization techniques

Pure ultraviolet: Graphene emission

Date: Mar 1, 2019

Author: David Bradley

 It is possible to generate near-pure ultraviolet emission from layers of graphene nanosheets, according to a team in China. They explain that near unity charge separation efficiency is key to the pure UV emission in their system.

Read More thumbnail image: Pure ultraviolet Graphene emission

Journal Highlight: Van der Waals effects on structure and optical properties in organic photovoltaics

Date: Feb 14, 2019

Author: spectroscopyNOW

The effects of dispersion forces on the molecular structure and optical properties of the polymer-derivatised fullerene dimer P3HT/PCBM have been examined using Kohn‐Sham DFT and TDDFT calculations.

Read More thumbnail image: Journal Highlight Van der Waals effects on structure and optical properties in organic photovoltaics

Going with the flow: UV control

Date: Feb 1, 2019

Author: David Bradley

Ultraviolet light can be used to control fluid flow as demonstrated by a US team who irradiated gold or titanium dioxide nanoparticles in the presence of larger polystyrene particles and found they could gather those particles at the light spot to form a well-packed colloidal crystal.

Read More thumbnail image: Going with the flow UV control

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
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