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Journal Highlight: Photoluminescent carbon dots: A mixture of heterogeneous fractions

Date: Jul 23, 2018

Author: separationsNOW

Scientists in the US have used thin layer chromatography to separate photoluminescent carbon dots into different fractions.

Read More thumbnail image: Journal Highlight Photoluminescent carbon dots A mixture of heterogeneous fractions

Journal Highlight: Comparative analysis of marketed factor VIII products: Recombinant products are not alike vis‐a‐vis soluble protein aggregates and subvisible particles

Date: Jul 23, 2018

Author: separationsNOW

The critical quality parameters of recombinant factor VIII products such as the concentrations of soluble protein aggregates and subvisible particles have been compared by HPLC-SEC and flow cytometry under intended use and use‐relevant stress conditions.

Read More thumbnail image: Journal Highlight Comparative analysis of marketed factor VIII products Recombinant products are not alike visavis soluble protein aggregates and subvisible particles

Journal Highlight: Online fully automated SPE‐HPLC‐MS/MS determination of ceftiofur in bovine milk samples employing a silica‐anchored ionic liquid as sorbent

Date: Jul 23, 2018

Author: separationsNOW

Brazilian scientists used solid‐phase extraction with a silica‐anchored ionic liquid to extract low concentrations of ceftiofur antibiotic from samples of bovine milk.

Read More thumbnail image: Journal Highlight Online fully automated SPEHPLCMSMS determination of ceftiofur in bovine milk samples employing a silicaanchored ionic liquid as sorbent

Journal Highlight: Influence of thermal treatment on the characteristics of major oyster allergen Cra g 1 (tropomyosin)

Date: Jul 23, 2018

Author: separationsNOW

Chinese scientists have used gel electrophoresis to help evaluate the impact of heating on the conformation and potential allergenicity of tropomyosin, a major allergen in oysters.

Read More thumbnail image: Journal Highlight Influence of thermal treatment on the characteristics of major oyster allergen Cra g 1 tropomyosin

Monoclonal mixtures measured in plasma

Date: Jul 20, 2018

Author: Ryan De Vooght-Johnson

The use of animals in pharmaceutical pharmacokinetic studies needs to be minimised for both ethical and financial reasons. Scientists from Chungnam National University, Daejeon, South Korea, investigated the use of multiple dosing (known as cassette dosing) for following the pharmacokinetics of four monoclonal antibodies by means of LC-MS.

Read More thumbnail image: Monoclonal mixtures measured in plasma

Printing power: A printed electrochemical detector for commercial CE systems

Date: Jul 16, 2018

Author: Jon Evans

Scientists in the US have used 3D printing to produce a microfluidic device for conducting amperometry that can easily be coupled to commercial CE systems.

Read More thumbnail image: Printing power A printed electrochemical detector for commercial CE systems

Considering the options: Separating proteins in a MOF-coated capillary

Date: Jul 16, 2018

Author: Jon Evans

Chinese scientists have shown that coating a capillary with a metal-organic framework offers a versatile and effective new option for separating proteins.

Read More thumbnail image: Considering the options Separating proteins in a MOF-coated capillary

The buzz of summer: Extracting pesticides from honeybees

Date: Jul 16, 2018

Author: Jon Evans

Chilean scientists have developed a single-step method for extracting various pesticides from honeybees, in order to determine what range of pesticides they are being exposed to in Chile.

Read More thumbnail image: The buzz of summer Extracting pesticides from honeybees

Journal Highlight: Molecular identification of Asian lacquers from different trees using Py‐GC/MS and ToF‐SIMS

Date: Jul 16, 2018

Author: separationsNOW

Pyrolysis-GC/MS and ToF-SIMS have been used to characterise lacquers from the Asian trees Toxicodendron vernicifluum from China, Japan, and Korea, Toxicodendron succedaneum from Vietnam and Gluta usitata from Myanmar.

Read More thumbnail image: Journal Highlight Molecular identification of Asian lacquers from different trees using PyGCMS and ToFSIMS

Sputum proteome: Optimising label-free mapping

Date: Jul 15, 2018

Author: Steve Down

The healthy human sputum proteome has been derived in an international project, assessing the sources of variability and revealing a core set of 284 proteins that will be useful for studying patients with inflammatory respiratory diseases.

Read More thumbnail image: Sputum proteome Optimising label-free mapping
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