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Optical comb-over: Smallest to date

Date: Feb 15, 2019

Author: David Bradley

Researchers in Russia and Switzerland have built the smallest optical frequency comb to date. The photonic integrated, compact, and portable soliton microcomb source developed by scientists at EPFL and the Russian Quantum Centre is less than one cubic centimetre and is driven by an on-chip indium phosphide laser. It consumes less than 1 Watt of electrical power.

Read More thumbnail image: Optical comb-over Smallest to date

Journal Highlight: Characterization and screening of metals, metalloids and biomarkers in crude oil by ICP‐MS/OES, and GC‐MS techniques after digestion by microwave‐induced combustion

Date: Feb 8, 2019

Author: spectroscopyNOW

Medium and light crude oils obtained from different sources have been analyzed by various techniques such as ICP-OES, ICP-MS (following microwave‐induced combustion in closed vessels), asphaltene analyzer, RDE-AES, X-ray fluorescence spectroscopy and FT-IR spectroscopy.

Read More thumbnail image: Journal Highlight Characterization and screening of metals metalloids and biomarkers in crude oil by ICPMSOES and GCMS techniques after digestion by microwaveinduced combustion

Mercury analysis: Fishy solution for AAS

Date: Jan 15, 2019

Author: David Bradley

A new solidified floating organic drop microextraction (SFODME) method has been developed by a team from Thailand and the USA that allows them to determine mercury levels in water and fish sample using electrothermal atomic absorption spectrometry.

Read More thumbnail image: Mercury analysis Fishy solution for AAS

Journal Highlight: Enhancing understanding of the emergence of global trade: Analysis of 17th‐ to 19th‐Century Spanish coins recovered from Western Australian shipwrecks using LA–ICP–MS

Date: Jan 10, 2019

Author: spectroscopyNOW

The trace element fingerprints of 389 silver coins recovered from shipwrecks and held by the Western Australian Museum have been analysed by LA–ICP–MS to sort them into identifiable subgroups to further our understanding of global silver movement in the 17th to 19th centuries.

Read More thumbnail image: Journal Highlight Enhancing understanding of the emergence of global trade Analysis of 17th to 19thCentury Spanish coins recovered from Western Australian shipwrecks using LAICPMS

Journal Highlight: Ionospheric O+ momentum balance through charge exchange with thermospheric O atoms

Date: Nov 26, 2018

Author: spectroscopyNOW

An analysis is presented of the nighttime O+ momentum budget in the F region ionosphere using an unprecedented 27‐year baseline of observations from Arecibo Observatory, to compare data with predictions of the O − O+ charge exchange cross section.

Read More thumbnail image: Journal Highlight Ionospheric O momentum balance through charge exchange with thermospheric O atoms

Wild red wine: Microwave plasma-AES

Date: Nov 15, 2018

Author: David Bradley

The low-cost of microwave plasma-atomic emission spectrometry (MP-AES) outweighs its limitations and offers a simpler alternative technique for the quantitation of transition metals in food and drink samples.

Read More thumbnail image: Wild red wine Microwave plasma-AES

Journal Highlight: Simultaneous determination of uranium and depleted uranium isotopic ratio using inductively coupled mass spectrometry

Date: Oct 29, 2018

Author: spectroscopyNOW

A simple and precise method has been developed and validated for the simultaneous quantitative measurement of total uranium and the uranium 235U/238U isotopic ratio in urine by ICP‐MS.

Read More thumbnail image: Journal Highlight Simultaneous determination of uranium and depleted uranium isotopic ratio using inductively coupled mass spectrometry

Tracking hydrogen: Muon beams

Date: Oct 15, 2018

Author: David Bradley

Scientists in Japan have used muon beams to help them track the movements of hydrogen atoms using magnetic resonance.

Read More thumbnail image: Tracking hydrogen Muon beams

Journal Highlight: Analysis of arsenic species in processed rice bran products using HPLC‐ICP‐MS

Date: Oct 1, 2018

Author: spectroscopyNOW

The contents of arsenic species (As(V), monomethylarsonic acid, As(III), and dimethylarsinic acid) in products such as bran powder and tablets have been compared using HPLC-ICP-MS and the risk of human exposure to inorganic arsenic has been assessed.

Read More thumbnail image: Journal Highlight Analysis of arsenic species in processed rice bran products using HPLCICPMS

Curcumin against cancer: AAS tests metal

Date: Sep 15, 2018

Author: David Bradley

Atomic absorption spectrometry (AAS) has been used to determine platinum levels in A549 cancer cells and tumour tissues in experiments to test the efficacy of combining the natural product curcumin with the well-known anticancer drug cisplatin.

Read More thumbnail image: Curcumin against cancer AAS tests metal
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