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Journal Highlight: Chemiluminescence detection of trace iodide with flow injection analysis of KMnO4-carbon dots system

Date: Nov 6, 2017

Author: spectroscopyNOW

Ultra-weak chemiluminescence from the reaction of iodide and KMnO4 was strongly enhanced by carbon nanodots in an acidic medium, allowing the evaluation of iodide in foodstuffs such as seaweed.

Read More thumbnail image: Journal Highlight Chemiluminescence detection of trace iodide with flow injection analysis of KMnO4-carbon dots system

Life on Earth: UV and HCN

Date: Nov 1, 2017

Author: David Bradley

UV-Vis spectroscopy has revealed that the experimental conditions for the polymerization of aqueous HCN (hydrogen cyanide) affect the kinetics of the reaction. Given the purported role of HCN in the prebiotic organic chemistry of our planet, such insights might ultimately have implications for our understanding of how life on earth began.

Read More thumbnail image: Life on Earth UV and HCN

Journal Highlight: Ratiometric fluorescence detection of anthrax biomarker with EuIII-EDTA functionalized mixed poly(diacetylene) liposomes

Date: Oct 9, 2017

Author: spectroscopyNOW

Poly(diacetylene acid)-derived liposomes functionalized with Eu(III)-EDTA complexes have been developed as a ratiometric fluorescence detection system for the anthrax biomarker dipicolinate.

Read More thumbnail image: Journal Highlight Ratiometric fluorescence detection of anthrax biomarker with EuIII-EDTA functionalized mixed polydiacetylene liposomes

Discover leading research in cannabis detection

Date: Oct 3, 2017

Author:

Cannabinoid research from an analytical viewpoint is rapidly developing as a more liberal approach to the medical, legal and social issues of the drug is adopted. Start reading our cannabinoid collection of papers here - free to access until the end of December.

Read More thumbnail image: Discover leading research in cannabis detection

Environmental, healthcare sensor: Thiourea testing

Date: Oct 1, 2017

Author: David Bradley

Co-doped manganese oxide nanoparticles (CMOs) can be made with a facile hydrothermal method and used in an emzyme-free, yet highly sensitive thiourea sensor. A whole raft of analytical techniques, including ultraviolet-visible (UV-Vis) spectroscopy, was used to characterize the particles.

Read More thumbnail image: Environmental healthcare sensor Thiourea testing

Journal Highlight: Detection of copper bisguanidine NO adducts by UV-vis spectroscopy and a SuperFocus mixer

Date: Sep 11, 2017

Author: spectroscopyNOW

The reaction of Cu(I) bisguanidine complexes with nitric oxide and the formation of intermediate species were monitored via UV-vis spectroscopy at low temperature and the limits of the SuperFocus mixer for this reaction were explored.

Read More thumbnail image: Journal Highlight Detection of copper bisguanidine NO adducts by UV-vis spectroscopy and a SuperFocus mixer

Journal Highlight: Attomol-level ATP bioluminometer for detecting single bacterium

Date: Aug 8, 2017

Author: spectroscopyNOW

An automated high-sensitive ATP bioluminometer with ultra-high sensitivity has been developed for detecting single bacteria.

Read More thumbnail image: Journal Highlight Attomol-level ATP bioluminometer for detecting single bacterium

Taking the pulse: Fast-action laser pulses

Date: Aug 1, 2017

Author: David Bradley

A system that can repeatedly deliver a filtered laser pulse of 0.19 mJ of energy at a repetition rate of 100 kHz has been developed by US researchers. Pulses of 7 femtoseconds duration are available for for experiments with this system.

Read More thumbnail image: Taking the pulse Fast-action laser pulses

Journal Highlight: Development and validation of an ultraviolet–visible spectrophotometric method for determination of phenylethyl resorcinol in new topical nanoemulsions

Date: Jul 10, 2017

Author: spectroscopyNOW

A rapid, simple and efficient UV–vis spectrophotometric method was developed for the quantification of phenylethyl resorcinol, a potent skin-lightening agent, incorporated into new topical nanoemulsions, and to validate this method according to ICH guidelines.

Read More thumbnail image: Journal Highlight Development and validation of an ultravioletvisible spectrophotometric method for determination of phenylethyl resorcinol in new topical nanoemulsions

Bacterial power: Polymer boost for fuel cell

Date: Jul 1, 2017

Author: David Bradley

By coating individual bacterial cells with an electron-conducting polymer, polypyrrole, researchers in Singapore were able to build a high-performance anode for microbial fuel-cell applications. They used UV-Vis spectroscopy and other techniques to monitor their progress and test their device.

Read More thumbnail image: Bacterial power Polymer boost for fuel cell
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