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DEREK deals with diabetes drug degradation products

Date: Mar 1, 2018

Author: Ryan De Vooght-Johnson

It is important to identify the degradation products of pharmaceutical compounds and to investigate their toxicity. Scientists from the National Institute of Pharmaceutical Education and Research in India used UHPLC and LC-MS to identify degradation products of the diabetes drug canagliflozin, using the toxicological software packages TOPKAT and DEREK to look at their likely toxicity.

Read More thumbnail image: DEREK deals with diabetes drug degradation products

Adulterators caught over a barrel by IRMS

Date: Mar 1, 2018

Author: Ryan De Vooght-Johnson

Ageing alcoholic spirits in wooden barrels transfers flavour compounds from the wood to the spirit, but illegal flavouring with synthetic versions of these compounds can occur. Scientists from the Edmund Mach Foundation in Italy and Charles Sturt University in Australia used GC in combination with combustion and isotope-ratio mass spectrometry (IRMS) to distinguish wood-derived vanillin from synthetic vanillin.

Read More thumbnail image: Adulterators caught over a barrel by IRMS

Poisoning response is quick, as LC-MS does the trick

Date: Mar 1, 2018

Author: Ryan De Vooght-Johnson

Cases of acute poisoning by pharmaceuticals, often due to attempted suicide or children taking someone else’s medication, require rapid determination of the substances involved and their levels in the bloodstream. Researchers from the University of Saarland in Germany have developed a rapid UHPLC-MS/MS method to determine the levels of a wide number of pharmaceutical compounds in blood samples.

Read More thumbnail image: Poisoning response is quick as LC-MS does the trick

Journal Highlight: Analysis of ketamine and xylazine in complex matrices using two-dimensional LC/tandem MS

Date: Feb 26, 2018

Author: separationsNOW

By analyzing xylazine and ketamine, both used as anesthetics for horses and cattle, in urine, scientists in the US have shown how multidimensional chromatography can significantly reduce sample preparation time.

Read More thumbnail image: Journal Highlight Analysis of ketamine and xylazine in complex matrices using two-dimensional LCtandem MS

Journal Highlight: Simple determination of betaine, L-carnitine and choline in human urine using self-packed column and column-switching ion chromatography with nonsuppressed conductivity detection

Date: Feb 26, 2018

Author: separationsNOW

Chemists in China have used column-switching ion chromatography to analyze the quaternary ammonium salts betaine, L-carnitine and choline in human urine.

Read More thumbnail image: Journal Highlight Simple determination of betaine L-carnitine and choline in human urine using self-packed column and column-switching ion chromatography with nonsuppressed conductivity detection

Journal Highlight: In-gel and OFFGEL-based proteomic approach for authentication of meat species from minced meat and meat products

Date: Feb 26, 2018

Author: separationsNOW

Indian researchers have developed two proteomic methods based on electrophoresis for authenticating raw and cooked minced meat from water buffalo, sheep and goat.

Read More thumbnail image: Journal Highlight In-gel and OFFGEL-based proteomic approach for authentication of meat species from minced meat and meat products

Supercritical fluids bring the past to life: Extracting lipids from archeological ceramic pottery

Date: Feb 19, 2018

Author: Jon Evans

Supercritical fluids have many benefits over organic solvents for extracting lipids from ancient pottery, say a team of British scientists.

Read More thumbnail image: Supercritical fluids bring the past to life Extracting lipids from archeological ceramic pottery

Cheap analysis in the palm of your hand: A miniature CE device made with off-the-shelf components

Date: Feb 19, 2018

Author: Jon Evans

A team of Chinese researchers has created what they say is the smallest, lowest-cost capillary electrophoresis device with laser-induced fluorescence detection yet developed.

Read More thumbnail image: Cheap analysis in the palm of your hand A miniature CE device made with off-the-shelf components

Sweet finding for novel electrode: Determining the sugars released from biofuel feedstocks

Date: Feb 19, 2018

Author: Jon Evans

Using an electrode covered in carbon nanotubes and nickel nanoparticles, Brazilian scientists have developed a sensitive method for determining the amount of different sugars released from biofuel feedstocks.

Read More thumbnail image: Sweet finding for novel electrode Determining the sugars released from biofuel feedstocks

Journal Highlight: Transfer rates of aflatoxins from herbal medicines to decoctions determined by an optimized HPLC with fluorescence detection method

Date: Feb 19, 2018

Author: separationsNOW

The transfer rates of aflatoxins from five fungi-contaminated raw herbal medicines to their decoctions have been measured by HPLC with fluorescence detection after postcolumn photochemical derivatization.

Read More thumbnail image: Journal Highlight Transfer rates of aflatoxins from herbal medicines to decoctions determined by an optimized HPLC with fluorescence detection method
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