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Switching on SPR: Electrophoresis enhances the sensitivity of surface plasmon resonance

Date: Apr 18, 2016

Author: Jon Evans

By using electrophoresis to move proteins away from a surface made of gold nanocups, Chinese researchers have developed a highly sensitive technique for detecting various different enzymes.

Read More thumbnail image: Switching on SPR Electrophoresis enhances the sensitivity of surface plasmon resonance

Journal Highlight: The use of mass spectrometry to analyze dried blood spots

Date: Apr 11, 2016

Author: separationsNOW

This review presents an overview of instruments and methodologies for analyzing dried blood spots with mass spectrometry, both with and without separation techniques such as liquid and gas chromatography.

Read More thumbnail image: Journal Highlight The use of mass spectrometry to analyze dried blood spots

Journal Highlight: Identification of early synthetic dyes in historical Chinese textiles of the late nineteenth century by HPLC coupled with DAD and MS

Date: Apr 5, 2016

Author: separationsNOW

Chinese scientists have used HPLC coupled with both diode array detection and mass spectrometry to identify five classes of synthetic dyes in late-nineteenth-century silk textiles from China.

Read More thumbnail image: Journal Highlight Identification of early synthetic dyes in historical Chinese textiles of the late nineteenth century by HPLC coupled with DAD and MS

Journal Highlight: A novel high-temperature combustion interface for compound-specific stable isotope analysis of carbon and nitrogen via HPLC/IRMS

Date: Mar 20, 2016

Author: separationsNOW

German scientists have used a modified high-temperature combustion total organic carbon analyzer to link high-performance liquid chromatography with isotope ratio mass spectrometry.

Read More thumbnail image: Journal Highlight A novel high-temperature combustion interface for compound-specific stable isotope analysis of carbon and nitrogen via HPLCIRMS

Dualling detectors: Coupling conductivity detection and mass spectrometry with CE

Date: Mar 15, 2016

Author: Jon Evans

For the first time, scientists from Germany and Brazil have found a way to couple both capacitively coupled contactless conductivity detection and electrospray ionization time-of-flight mass spectrometry with capillary electrophoresis.

Read More thumbnail image: Dualling detectors Coupling conductivity detection and mass spectrometry with CE

Journal Highlight: Batch-injection versus flow-injection analysis using screen-printed electrodes: Determination of ciprofloxacin in pharmaceutical formulations

Date: Mar 7, 2016

Author: separationsNOW

Brazilian chemists have used multi-walled carbon nanotube-modified screen-printed electrodes to detect the antibiotic ciprofloxacin by amperometry.

Read More thumbnail image: Journal Highlight Batch-injection versus flow-injection analysis using screen-printed electrodes Determination of ciprofloxacin in pharmaceutical formulations

Finding the perfect partner: TLC and FAPA make a lovely couple

Date: Feb 15, 2016

Author: Jon Evans

Just in time for Valentine’s Day, Polish scientists may have found an ideal ambient mass spectrometry technique for thin-layer chromatography.

Read More thumbnail image: Finding the perfect partner TLC and FAPA make a lovely couple

Journal Highlight: In-capillary detection of fast antibody-peptide binding using fluorescence coupled capillary electrophoresis

Date: Feb 8, 2016

Author: separationsNOW

Chinese scientists have developed a novel fluorescence-based technique for detecting the fast binding of antibodies and peptides in a capillary.

Read More thumbnail image: Journal Highlight In-capillary detection of fast antibody-peptide binding using fluorescence coupled capillary electrophoresis

Journal Highlight: Fourth-derivative synchronous spectrofluorimetry and HPLC with fluorescence detection as two analytical techniques for the simultaneous determination of itopride and domperidone

Date: Feb 1, 2016

Author: separationsNOW

Two Egyptian chemists have compared two different methods for detecting and determining the concentrations of two drugs often used together to treat gastrointestinal problems.

Read More thumbnail image: Journal Highlight Fourth-derivative synchronous spectrofluorimetry and HPLC with fluorescence detection as two analytical techniques for the simultaneous determination of itopride and domperidone

Catching a whisper: A universal CE detector based on the whispering gallery effect

Date: Jan 18, 2016

Author: Jon Evans

Two US chemists have shown that a novel type of refractive index sensor that takes advantage of the whispering gallery effect can make a highly effective universal detector for capillary electrophoresis.

Read More thumbnail image: Catching a whisper A universal CE detector based on the whispering gallery effect
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