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Steroids in transsexual eels sorted by LC-MS/MS and DMS

Date: May 1, 2017

Author: Ryan De Vooght-Johnson

Commercially farmed young eels tend to develop into males, rather than the heavier females, but this process can be altered by feeding them with female hormones. Scientists from Dalhousie University in Halifax, Canada, and local aquaculture firm NovaEel used LC-MS/MS in conjunction with differential ion mobility spectrometry to examine female hormone levels in farmed American eels, confirming that the levels dropped down to normal 5 days after treatment.

Read More thumbnail image: Steroids in transsexual eels sorted by LC-MSMS and DMS

Journal Highlight: Monitoring of freshwater toxins in European environmental waters by using novel multi-detection methods

Date: Apr 24, 2017

Author: separationsNOW

In the context of the European project μAqua, UPLC/MS/MS and flow cytometry were used to confirm the presence and wide distribution of dihydro derivatives of anatoxin-a toxins in European freshwaters.

Read More thumbnail image: Journal Highlight Monitoring of freshwater toxins in European environmental waters by using novel multi-detection methods

Journal Highlight: The occurrence of spoilage yeasts in cream-filled bakery products

Date: Apr 24, 2017

Author: separationsNOW

Italian scientists used denaturing gradient gel electrophoresis to help discover the yeasts responsible for spoiling a cream-filled baked product.

Read More thumbnail image: Journal Highlight The occurrence of spoilage yeasts in cream-filled bakery products

Journal Highlight: Amino acid profiling of zinc resistant prostate cancer cell lines: Associations with cancer progression

Date: Apr 24, 2017

Author: separationsNOW

Scientists in the Czech Republic have used ion-exchange liquid chromatography to analyze the amino acid profiles of zinc resistant prostate cancer cell lines.

Read More thumbnail image: Journal Highlight Amino acid profiling of zinc resistant prostate cancer cell lines Associations with cancer progression

Journal Highlight: Molecularly imprinted core-shell magnetic nanoparticles for selective extraction of triazines in soils

Date: Apr 24, 2017

Author: separationsNOW

Spanish scientists have synthesized a propazine-imprinted polymer on the surface of modified magnetic nanoparticles for use in the solid-phase extraction of triazine pesticides from soil samples prior to analysis by HPLC.

Read More thumbnail image: Journal Highlight Molecularly imprinted core-shell magnetic nanoparticles for selective extraction of triazines in soils

Crude printing: For sophisticated sample treatment

Date: Apr 17, 2017

Author: Jon Evans

Brazilian chemists have shown how 3D printed microfluidic devices can quickly and cheaply conduct multiple rounds of sample treatment on samples of crude oil while using much less organic solvent.

Read More thumbnail image: Crude printing For sophisticated sample treatment

Sequence of pillars: Produces fastest ever separation of DNA and RNA

Date: Apr 17, 2017

Author: Jon Evans

Using nanopillars in a nanoslit, a team of Japanese scientists has achieved the fastest ever separation of nucleic acids by microchip electrophoresis, separating micro-RNA from DNA in just 20 microseconds.

Read More thumbnail image: Sequence of pillars Produces fastest ever separation of DNA and RNA

Shedding light on drug delivery: Detecting protein-coated polymer particles

Date: Apr 17, 2017

Author: Jon Evans

Chinese chemists have come up with a novel method for coating polymer nanoparticles with proteins, which they assessed by studying the coated particles with several different analytical techniques.

Read More thumbnail image: Shedding light on drug delivery Detecting protein-coated polymer particles

E-nose UFGC Detects if Meat Traders Have Been Telling Porkies

Date: Apr 17, 2017

Author: Ryan De Vooght-Johnson

Frozen meat products can be thawed out and passed off as fresh, chilled meats, thus fetching a higher price. Researchers at Warsaw University of Life Sciences and University College Dublin have developed a method to differentiate between chilled and frozen pork using an electronic nose device containing an ultra-fast gas chromatography unit.

Read More thumbnail image: E-nose UFGC Detects if Meat Traders Have Been Telling Porkies

UHPLC and Chemometrics Tease out Teasel’s Active Compounds

Date: Apr 17, 2017

Author: Ryan De Vooght-Johnson

Dipsacus apser, or Japanese teasel, is commonly used in Chinese herbal medicine, often after rinsing with wine and then boiling with water. Researchers from Nanjing University of Chinese Medicine compared the differences between the composition of the raw herb and wine-processed material, using UHPLC-MS/MS and the chemometric methods PCA, HCA and PLS-DA.

Read More thumbnail image: UHPLC and Chemometrics Tease out Teasels Active Compounds
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