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Journal Highlight: Caviar versus brill eggs: A novel high performance liquid chromatography-mass spectrometry application for evaluating cosmetic ingredients composition

Date: Mar 27, 2017

Author: separationsNOW

The lipids in sturgeon and brill roe, which are used as lipid sources in beauty creams, have been analyzed and compared using GC/MS for fatty acids and HPLC coupled with high resolution MS for triacylglycerols.

Read More thumbnail image: Journal Highlight Caviar versus brill eggs A novel high performance liquid chromatography-mass spectrometry application for evaluating cosmetic ingredients composition

Journal Highlight: Proteomic maps of subcellular protein fractions of the Asian citrus psyllid Diaphorina citri, the vector of citrus huanglongbing

Date: Mar 27, 2017

Author: separationsNOW

Scientists in the US have used 2D gel electrophoresis to produce subcellular proteomic profiles of a major insect pest of citrus plants.

Read More thumbnail image: Journal Highlight Proteomic maps of subcellular protein fractions of the Asian citrus psyllid Diaphorina citri the vector of citrus huanglongbing

Journal Highlight: Silica-supported polymeric monolithic column with a mixed mode of hydrophilic and strong cation-exchange interactions for microcolumn LC

Date: Mar 27, 2017

Author: separationsNOW

Chinese chemists have developed a novel hydrophilic, strong cation-exchange monolith for conducting multimodal chromatography.

Read More thumbnail image: Journal Highlight Silica-supported polymeric monolithic column with a mixed mode of hydrophilic and strong cation-exchange interactions for microcolumn LC

Journal Highlight: Characteristics of volatile organic compounds produced from five pathogenic bacteria by headspace-SPME/GC-MS

Date: Mar 27, 2017

Author: separationsNOW

Chinese scientists have used headspace solid-phase micro-extraction to sample the volatile compounds released by five different pathogenic bacteria for subsequent analysis by gas chromatography-mass spectrometry.

Read More thumbnail image: Journal Highlight Characteristics of volatile organic compounds produced from five pathogenic bacteria by headspace-SPMEGC-MS

The health benefits of bee glue: Extracting phenolic compounds from bee propolis

Date: Mar 20, 2017

Author: Jon Evans

Using ionic liquid and cellulose, Chinese scientists have developed a method for extracting phenolic compounds from bee propolis that is faster, greener and more effective than previous methods.

Read More thumbnail image: The health benefits of bee glue Extracting phenolic compounds from bee propolis

Propelled to the surface: Combining CE and ELISA for protein detection

Date: Mar 20, 2017

Author: Jon Evans

Researchers from China and Japan have shown how an enzyme-linked immunosorbent assay can act as an accurate and sensitive protein detection method for capillary electrophoresis.

Read More thumbnail image: Propelled to the surface Combining CE and ELISA for protein detection

Running hot and cold: Analyzing oligosaccharides with temperature gradient CE

Date: Mar 20, 2017

Author: Jon Evans

Varying the operational temperature could offer a simple way to improve the resolution when separating oligosaccharides by capillary electrophoresis.

Read More thumbnail image: Running hot and cold Analyzing oligosaccharides with temperature gradient CE

Journal Highlight: Qualitative characteristics and comparison of volatile fraction of vodkas made from different botanical materials by comprehensive 2D GC and the electronic nose based on the technology of ultra-fast GC

Date: Mar 20, 2017

Author: separationsNOW

GC×GC and an electronic nose-based ultra-fast GC with chemometric analysis have both been used to distinguish between the vodkas produced from different raw materials.

Read More thumbnail image: Journal Highlight Qualitative characteristics and comparison of volatile fraction of vodkas made from different botanical materials by comprehensive 2D GC and the electronic nose based on the technology of ultra-fast GC

Ant venom: Protein and peptide profiles

Date: Mar 16, 2017

Author: Steve Down

Peptides and proteins in the venom of the South American bullet ant have been compared following two extraction methods, with the ultimate aim of finding new drug and biopesticide candidates.

Read More thumbnail image: Ant venom Protein and peptide profiles

Catching makers of crystal meth by chemometrics

Date: Mar 15, 2017

Author: Ryan De Vooght-Johnson

Identifying impurities in the illegal drug N-methylamphetamine, a.k.a. methamphetamine or crystal meth, can help law enforcement agencies detect the likely source and the synthetic route used. Scientists from the Chemistry and Chemical Engineering Research Centre of Iran used chemometric methods to detect trace impurities hidden under the large main peak in pure samples of seized methamphetamine.

Read More thumbnail image: Catching makers of crystal meth by chemometrics
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