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Maximal magnetism: Single-atom limit

Date: May 15, 2014

Author: David Bradley

Scientists have shown for the first time the maximum theoretical limit on the energy required to control the magnetization of a single atom. The fundamental work could have implications for the future of research into magnetism and devices that utilize the phenomenon in technology.

Read More thumbnail image: Maximal magnetism Single-atom limit

Journal Highlight: Estimation of daily aluminum intake in Japan based on food consumption inspection results: Impact of food additives

Date: May 5, 2014

Author: spectroscopyNOW

The Al contents of various food samples for young children, children, youths and adults in Japan were determined by ICP-AES.

Read More thumbnail image: Journal Highlight Estimation of daily aluminum intake in Japan based on food consumption inspection results Impact of food additives

Breaking the law: Laser focus

Date: Apr 15, 2014

Author: David Bradley

An international team has demonstrated that a nanoparticle trapped with a laser beam can temporarily violate the strict second law of thermodynamics, a feat that is impossible on the everyday time and length scales of our reality.

Read More thumbnail image: Breaking the law Laser focus

Journal Highlight: Tissue-specific copper accumulation, zinc levels, induction, and purification of metallothionein in freshwater crab Sinopotamon henanense exposed to subacute waterborne copper

Date: Apr 3, 2014

Author: spectroscopyNOW

The crab Sinopotamon henanense was exposed to waterborne copper and the accumulation of copper and zinc and metallothionein induction in gills and hepatopancreas were determined with the Cd/Hemoglobin saturation assay and AAS.

Read More thumbnail image: Journal Highlight Tissue-specific copper accumulation zinc levels induction and purification of metallothionein in freshwater crab Sinopotamon henanense exposed to subacute waterborne copper

MEMS laser: Lighting up spectroscopy and telecoms

Date: Mar 15, 2014

Author: David Bradley

Researchers have demonstrated the smallest wavelength-tunable laser built with microelectromechanical system (MEMS) technology. The device could have wide-ranging applications in telecommunications technology and spectroscopy.

Read More thumbnail image: MEMS laser Lighting up spectroscopy and telecoms

Journal Highlight: Glow discharge techniques in the chemical analysis of photovoltaic materials

Date: Mar 3, 2014

Author: spectroscopyNOW

An integrated overview is presented on the prospects of glow discharge (GD) methods in the chemical analysis of photovoltaic materials, focusing on GD coupled with high resolution MS, TOFMS and OES.

Read More thumbnail image: Journal Highlight Glow discharge techniques in the chemical analysis of photovoltaic materials

A flight of fancy: Electron pair emissions

Date: Feb 15, 2014

Author: David Bradley

Measuring electron pair emission is an experimentally difficult task, not least because it requires access to a synchrotron light source. Now, researchers have developed a new way to measure the emission of electron pairs directly by using a unique combination of a new laboratory light source with time-of-flight spectrometry.

Read More thumbnail image: A flight of fancy Electron pair emissions

Journal Highlight: Element fractionation analysis for infant formula and food additives by ICP-OES

Date: Feb 3, 2014

Author: spectroscopyNOW

A sequential separation procedure has been applied for the protein, lipid and serum fractions of infant formula, coffee cream, milk powder, whey powder and rice flour before analysis for essential and nonessential elements by ICP-OES.

Read More thumbnail image: Journal Highlight Element fractionation analysis for infant formula and food additives by ICP-OES

Iron and age: Brain analysis

Date: Jan 15, 2014

Author: David Bradley

Graphite furnace atomic absorption spectrometry after microwave-assisted acid digestion of post mortem brain samples has investigated levels and distribution of iron. The work may ultimately offer new insights into the role of the trace metal in neurodegenerative diseases.

Read More thumbnail image: Iron and age Brain analysis

Journal Highlight: Analysis of six heavy metals in Ortho mineral trioxide aggregate and ProRoot mineral trioxide aggregate by ICP-OES

Date: Jan 6, 2014

Author: spectroscopyNOW

The levels of Cd, Cu, Fe, Mn, Ni and Zn in the dental materials Ortho mineral trioxide aggregate and ProRoot mineral trioxide aggregate have been measured by ICP-OES.

Read More thumbnail image: Journal Highlight Analysis of six heavy metals in Ortho mineral trioxide aggregate and ProRoot mineral trioxide aggregate by ICP-OES
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