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Boron enters flatland: Borophene sheets on the way

Date: Feb 3, 2014

Author:

Laboratory experiments and supercomputer simulations have suggested to chemists that a cluster of 36 boron atoms can form a flat disc with a hexagonal hole in the middle. The shape fits theoretical predictions for a potential new nanomaterial dubbed "borophene" which would not be dissimilar to the much-vaunted all-carbon material graphene.

Read More thumbnail image: Boron enters flatland Borophene sheets on the way

Journal Highlight: Chlorophyll fluorescence imaging: a new method for rapid detection of herbicide resistance in Alopecurus myosuroides

Date: Jan 13, 2014

Author: spectroscopyNOW

A new quantitative herbicide-resistance test system based on chlorophyll fluorescence imaging analysis of photosynthesis-related parameters was applied to susceptible and herbicide-resistant populations of Alopecurus myosuroides (black-grass) cultivated in multiwell tissue culture plates.

Read More thumbnail image: Journal Highlight Chlorophyll fluorescence imaging a new method for rapid detection of herbicide resistance in Alopecurus myosuroides

Cholesterol testing: There's even an app for that!

Date: Jan 1, 2014

Author: David Bradley

A quick home test lets you analyse a "selfie" of your own blood sample with a special smart phone app to give you a precise measure of your blood cholesterol level. The work reported in the journal Lab on a Chip takes us another step closer to a portable, personal diagnostic system.

Read More thumbnail image: Cholesterol testing Theres even an app for that

Journal Highlight: The use of UV-VIS-NIR reflectance spectroscopy to identify iron minerals

Date: Dec 9, 2013

Author: spectroscopyNOW

The UV-VIS-NIR reflectance spectra of various soils and sediments, all of which contain iron minerals but developed under different environmental conditions, have been compared.

Read More thumbnail image: Journal Highlight The use of UV-VIS-NIR reflectance spectroscopy to identify iron minerals

Combined effort: Microreactors under UV

Date: Dec 1, 2013

Author: David Bradley

The combination of reaction and detection in a single lab-on-a-chip, or microfluidic, device could lead to viable microreactor systems that exploit multiphase flow. A team in The Netherlands has now coupled UV/Vis spectroscopy to such a microreactor system for online process analysis under segmented flow conditions.

Read More thumbnail image: Combined effort Microreactors under UV

Journal Highlight: A modern approach to the authentication and quality assessment of thyme using UV spectroscopy and chemometric analysis

Date: Nov 11, 2013

Author: spectroscopyNOW

A simple model was established for the quality assessment of Thymus species using UV spectroscopy together with known chemometric techniques.

Read More thumbnail image: Journal Highlight A modern approach to the authentication and quality assessment of thyme using UV spectroscopy and chemometric analysis

Ultraviolet protection: Natural and synthetic

Date: Nov 1, 2013

Author: David Bradley

Italian researchers describe in the journal Angewandte Chemie how it is possible to engineer in the laboratory a synthetic mimic of natural eumelanin with atypical structural characteristics. 

Read More thumbnail image: Ultraviolet protection Natural and synthetic

Journal Highlight: Advances in fluorescence diagnosis to track footprints of cancer progression in vivo

Date: Oct 7, 2013

Author: spectroscopyNOW

A broad overview is provided of fluorescence techniques for in vivo cancer diagnosis and therapy monitoring in preclinical models, as well as clinical translation.

Read More thumbnail image: Journal Highlight Advances in fluorescence diagnosis to track footprints of cancer progression in vivo

Catalytic carbenes: UV and the metal connection

Date: Oct 1, 2013

Author: David Bradley

A team of scientists led by University of Wisconsin-Madison chemist John Berry has developed a technique that lets them freeze the action in a reaction catalysed by a dirhodium carbene complex long enough during a critical step so that they can see the fine details of the mechanism using UV spectroscopy and other techniques.

Read More thumbnail image: Catalytic carbenes UV and the metal connection

Journal Highlight: Fluorescence lifetime imaging of lignin autofluorescence in normal and compression wood

Date: Sep 9, 2013

Author: spectroscopyNOW

The fluorescence lifetime of wood cell walls was examined using time-correlated single photon counting to detect differences in lignin composition and measure the molecular environment within cell walls of normal and compression wood.

Read More thumbnail image: Journal Highlight Fluorescence lifetime imaging of lignin autofluorescence in normal and compression wood
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