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Advanced microscopy: Closing in on the liquid

Date: Aug 15, 2018

Author: David Bradley

 An international team has developed a new microscopy technique that allows them to visualize liquids at the nanoscale level - about 10 times greater resolution than possible with conventional transmission electron microscopy. The technique might greatly improve our understanding of the properties of liquids and liquid interfaces.

Read More thumbnail image: Advanced microscopy Closing in on the liquid

Journal Highlight: Advancing Mg/Ca analysis of coralline algae as a climate proxy by assessing LA‐ICP‐OES sampling and coupled Mg/Ca ‐ δ18O analysis

Date: Jul 30, 2018

Author: spectroscopyNOW

The use of LA‐ICP‐OES for Mg/Ca analysis of the climate proxy coralline alga Clathromorphum compactum has been validated and showed that climate archive verification is required for each unique coralline algal specimen.

Read More thumbnail image: Journal Highlight Advancing MgCa analysis of coralline algae as a climate proxy by assessing LAICPOES sampling and coupled MgCa  18O analysis

Space nitrogen: Terahertz spectroscopy

Date: Jul 15, 2018

Author: David Bradley

Researchers in Austria have observed rotational transitions of the nonlinear triatomic molecular anion NH2- - the amide ion - using terahertz spectroscopy in a cryogenic radio frequency ion trap. The finding could point the way to detecting nitrogen-containing molecules in space.

Read More thumbnail image: Space nitrogen Terahertz spectroscopy

Journal Highlight: Spectroscopic study of excited molecular nitrogen generation due to interactions of metastable noble gas atoms

Date: Jul 2, 2018

Author: spectroscopyNOW

The generation of excited nitrogen species by allowing noble gases to interact both with one another and ambient air has been examined.

Read More thumbnail image: Journal Highlight Spectroscopic study of excited molecular nitrogen generation due to interactions of metastable noble gas atoms

Soil storage: CV-AAS checks mercury levels

Date: Jun 15, 2018

Author: David Bradley

Researchers in the Czech Republic have used cold vapour atomic absorption spectroscopy (CV-AAS) to re-analyse mercury levels in well-studied soil samples to discern whether or not levels of this important elemental pollutant are stable in long-term storage.

Read More thumbnail image: Soil storage CV-AAS checks mercury levels

Journal Highlight: Rutile R632 – A new natural reference material for U‐Pb and Zr determination

Date: Jun 4, 2018

Author: spectroscopyNOW

A new natural rutile reference material which is suitable for U‐Pb dating and Zr‐in‐rutile thermometry by microbeam methods significantly expands the range of available rutile reference materials relevant for age and temperature determinations.

Read More thumbnail image: Journal Highlight Rutile R632  A new natural reference material for UPb and Zr determination

Power up: New lasers for spectroscopy

Date: May 15, 2018

Author:

Researchers in the USA have demonstrated a terahertz semiconductor laser with record-breaking output power that could be useful in various forms of spectroscopy and other applications.

Read More thumbnail image: Power up New lasers for spectroscopy

Journal Highlight: Trace elements in ancient gold products with PGE microinclusions from archaeological sites of the Urals and North Black Sea Region: LA–ICP–MS data

Date: Apr 30, 2018

Author: spectroscopyNOW

An LA–ICP–MS study of the trace element compositions of archaeological gold products of the Urals and North Black Sea region that contain microinclusions of platinum group minerals indicated that cupellation was the most common technique of gold refinement.

Read More thumbnail image: Journal Highlight Trace elements in ancient gold products with PGE microinclusions from archaeological sites of the Urals and North Black Sea Region LAICPMS data

Copper removal: Nanogel tested with AAS

Date: Apr 15, 2018

Author: David Bradley

Scientists in Iran have developed a free radical synthesis of nanosilver/gelatin-poly (acrylic acid) nanocomposite hydrogels as antibacterial agents that can remove copper(II) metal ions. They used a raft of techniques including atomic absorption spectroscopy to evaluate their setup.

Read More thumbnail image: Copper removal Nanogel tested with AAS

Journal Highlight: Magnetic dispersive solid‐phase extraction based on graphene oxide/Fe3O4@polythionine nanocomposite followed by atomic absorption spectrometry for zinc monitoring in water, flour, celery and egg

Date: Apr 3, 2018

Author: spectroscopyNOW

A new graphene oxide/Fe3O4@polythionine nanocomposite sorbent has been produced for the magnetic dispersive solid‐phase extraction and flame atomic absorption spectrometric detection of zinc(II) in water, flour, celery and egg.

Read More thumbnail image: Journal Highlight Magnetic dispersive solidphase extraction based on graphene oxideFe3O4polythionine nanocomposite followed by atomic absorption spectrometry for zinc monitoring in water flour celery and egg
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