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Real-time MOF self assembly: Liquid electron view

Date: Jun 15, 2015

Author: David Bradley

Liquid cell transmission electron microscopy has been used to visualize the growth of 'nanoscale' chemical complexes in real time.

Read More thumbnail image: Real-time MOF self assembly Liquid electron view

Journal Highlight: Simultaneous analysis of Cr(III), Cr(VI), and chromium picolinate in foods using CE-ICP-MS

Date: Jun 1, 2015

Author: spectroscopyNOW

A method for the simultaneous detection of trace Cr(VI), Cr(III), and chromium(III) picolinate in foods using CE-ICP-MS together with ultrasonic-assisted extraction has been developed.

Read More thumbnail image: Journal Highlight Simultaneous analysis of CrIII CrVI and chromium picolinate in foods using CE-ICP-MS

Vegging out: Metals in oils by FAAS

Date: May 15, 2015

Author: David Bradley

Optimised ultrasound-assisted liquid-liquid extraction of copper, iron, nickel and zinc from samples of edible vegetable oils facilitates analysis with high-resolution continuum source flame atomic absorption spectrometry (HR-CS FAAS) analysis.

Read More thumbnail image: Vegging out Metals in oils by FAAS

Journal Highlight: Trace determination of lead, chromium and cadmium in herbal medicines using ultrasound-assisted emulsification microextraction combined with GFAAS

Date: May 4, 2015

Author: spectroscopyNOW

Ultrasound-assisted emulsification microextraction combined with GFAAS was shown to be an efficient, rapid, inexpensive and eco-friendly method for the determination of lead, chromium and cadmium in herbal medicines.

Read More thumbnail image: Journal Highlight Trace determination of lead chromium and cadmium in herbal medicines using ultrasound-assisted emulsification microextraction combined with GFAAS

Green coffee: Mineral deposits by FAAS

Date: Apr 15, 2015

Author: David Bradley

Unroasted, green, coffee beans have become a popular alternative to regular coffee because of purported health benefits so getting a clearer picture of what mineral ions and other components might be present in different infusions is important. Now, a fast and simple method for the analysis of infusions has been developed - high resolution-continuum source flame atomic absorption spectrometry - the technique can provide total concentrations of calcium, copper, iron, magnesium and manganese ions.

Read More thumbnail image: Green coffee Mineral deposits by FAAS

Journal Highlight: New ICP-MS results for trace elements in five iron-formation reference materials

Date: Mar 30, 2015

Author: spectroscopyNOW

Bomb and table-top acid dissolution procedures and ICP-MS were used to determine the mass fractions of trace elements in the iron formation reference materials FER-1, FER-2, FER-3, FER-4 and IF-G.

Read More thumbnail image: Journal Highlight New ICP-MS results for trace elements in five iron-formation reference materials

The FAAS track: Synbiotics and breast milk

Date: Mar 15, 2015

Author: David Bradley

FAAS (flame atomic absorption spectroscopy)  has been used to determine the concentration of essential trace metals, calcium, copper, iron, magnesium and zinc, in breast milk. The results  suggest that normal dietary intake do not affect levels available to breastfeeding infant and so mothers should be encouraged to take a supplement when they are deficient.

Read More thumbnail image: The FAAS track Synbiotics and breast milk

Journal Highlight: Revisiting the electrochemical impedance spectroscopy of magnesium with online ICP-OES

Date: Mar 2, 2015

Author: spectroscopyNOW

Electrochemical impedance spectroscopy was coupled with online atomic emission spectroelectrochemistry to simultaneously measure Mg2+ concentration and electrochemical impedance spectra during Mg corrosion in real time.

Read More thumbnail image: Journal Highlight Revisiting the electrochemical impedance spectroscopy of magnesium with online ICP-OES

Synchronize watches: NOW!

Date: Feb 15, 2015

Author: David Bradley

Cryogenically cooled optical lattice clocks can be synchronized to one part in 2.0 x 10^18, which means they will differ by just one second every 16 billion years or so. This is a hundred times more precise than current state of the art caesium atomic clocks and could have implications for instrumentation used in the measurement of fundamental physical constants.

Read More thumbnail image: Synchronize watches NOW

Journal Highlight: Assessing the engagement, learning, and overall experience of students operating an atomic absorption spectrophotometer with remote access technology

Date: Feb 1, 2015

Author: spectroscopyNOW

The effectiveness of using remote access technology to operate an atomic absorption spectrophotometer for analyzing the iron content in a crude myoglobin extract has been assessed.

Read More thumbnail image: Journal Highlight Assessing the engagement learning and overall experience of students operating an atomic absorption spectrophotometer with remote access technology
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