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Journal Highlight: Kinetics and mechanism studies on dispersion of CNT in SDS aqueous solutions

Date: May 12, 2014

Author: spectroscopyNOW

The kinetics and mechanism of the dispersion of carbon nanotubes in sodium dodecyl sulfate aqueous solutions were studied by UV-visible absorption spectroscopy.

Read More thumbnail image: Journal Highlight Kinetics and mechanism studies on dispersion of CNT in SDS aqueous solutions

Microgel sensors: Nerve gas responders

Date: May 1, 2014

Author: David Bradley

Writing in the journal Angewandte Chemie, a Canadian research team has demonstrated the optical properties of stacked microgel structures and how they might change in response to variations in light levels, the pH or temperature of the surroundings or even the presence of particular substrates including nerve gases.

Read More thumbnail image: Microgel sensors Nerve gas responders

Journal Highlight: Discrimination of vinegars using a catalytic nanomaterials-based chemiluminescence sensor array

Date: Apr 7, 2014

Author: spectroscopyNOW

A chemiluminescence sensor array based on nine catalytic nanomaterials was prepared for the discrimination of eight vinegars, the response patterns being obtained as fingerprints for a given compound.

Read More thumbnail image: Journal Highlight Discrimination of vinegars using a catalytic nanomaterials-based chemiluminescence sensor array

Look back: UV view of the cosmic

Date: Apr 1, 2014

Author: David Bradley

Astrophysicists are collaborating on an ultraviolet telescope, a cosmic ray telescope, for the International Space Station that will be installed before the end of the decade and will look back at Earth in order observe the collisions of cosmic rays with our atmosphere.

Read More thumbnail image: Look back UV view of the cosmic

Journal Highlight: Real-time noninvasive monitoring of in vivo inflammatory responses using a pH ratiometric fluorescence imaging probe

Date: Mar 10, 2014

Author: spectroscopyNOW

A new ratiometric optical pH probe has been developed by combining pH-sensitive and pH-insensitive fluorescent dyes into nanoparticles for in vivo optical imaging of human inflammatory responses.

Read More thumbnail image: Journal Highlight Real-time noninvasive monitoring of in vivo inflammatory responses using a pH ratiometric fluorescence imaging probe

Shaking the fake tree: UV seeds the way

Date: Mar 1, 2014

Author: David Bradley

US researchers have constructed mock plant seeds, dusted them with fluorescent powder, and then released them at tree canopy height to simulate real seed dispersal on the wind. They could then return after dark with ultraviolet lamps to track where the seeds had landed, offering a neat and novel way to learn about certain aspects of the savanna eco-system.

Read More thumbnail image: Shaking the fake tree UV seeds the way

Journal Highlight: Rapid determination of isoamyl nitrite in pharmaceutical preparations by flow injection analysis with on-line UV irradiation and luminol chemiluminescence detection

Date: Feb 10, 2014

Author: spectroscopyNOW

A simple, rapid and sensitive method for the determination of isoamyl nitrite was developed using a flow injection analysis system equipped with a chemiluminescence detector and on-line photoreactor.

Read More thumbnail image: Journal Highlight Rapid determination of isoamyl nitrite in pharmaceutical preparations by flow injection analysis with on-line UV irradiation and luminol chemiluminescence detection

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
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