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Supercritical chromatography and chemometrics capture cannabis compounds

Date: Feb 15, 2017

Author: Ryan De Vooght-Johnson

Cannabis is a popular illegal drug, but is also increasingly used for medicinal purposes. A new, rapid UHPSFC method for determining the different compounds in cannabis has been developed by a team from the University of Mississippi, who went on to group different cannabis samples using chemometric methods.

Read More thumbnail image: Supercritical chromatography and chemometrics capture cannabis compounds

Journal of Separation Science Celebrates 40th Volume

Date: Feb 8, 2017

Author:

The Journal of Separation Science was born in 1978 with the name, Journal of High Resolution Chromatography, and this year celebrates its 40th birthday. To celebrate, we've created a virtual issue containing the journal's top 40 cited papers over the last four decades; and it's free for you to read for the whole of 2017.

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Journal Highlight: Correlation of lipidomic composition of cell lines and tissues of breast cancer patients using hydrophilic interaction liquid chromatography/electrospray ionization mass spectrometry and multivariate data analysis

Date: Feb 6, 2017

Author: separationsNOW

The lipidomic compositions of human cell lines derived from normal and cancerous breast tissues, as well as tissues obtained before and after breast cancer surgery, have been compared by multivariate data analysis methods.

Read More thumbnail image: Journal Highlight Correlation of lipidomic composition of cell lines and tissues of breast cancer patients using hydrophilic interaction liquid chromatographyelectrospray ionization mass spectrometry and multivariate data analysis

Multi-component medicine made manageable by mass spectrometry

Date: Feb 1, 2017

Author: Ryan De Vooght-Johnson

The Chinese medicine Deng-Zhan-Sheng-Mai, used to treat stroke patients, consists of a mixture of four different herbal extracts, each containing a wide variety of compounds, thus giving a huge headache to analysts. Researchers from Fudan University, Shanghai and China Pharmaceutical University, Nanjing used LC-MS, along with chemometric methods, such as hierarchical cluster analysis, principal component analysis and bivariate correlation analysis, to bring order to the chaos, recommending that nine...

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Biomarkers of breast cancer

Date: Jan 12, 2017

Author: Ryan De Vooght-Johnson

The success of cancer treatment hinges on the stage at which the disease is detected, making biomarkers that flag up early signs of the disease an important goal for cancer research. Now a group of scientists from the Czech Republic has found a new set of biomarkers for breast cancer based on the levels of lipids expressed by cancer cells.

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Journal Highlight: Fractional factorial design based microwave-assisted extraction for the determination of organophosphorus and organochlorine residues in tobacco by using GC/MS

Date: Jan 9, 2017

Author: separationsNOW

Orthogonal array testing was used to screen and optimize multiple microwave-assisted extraction parameters for organophosphorus and organochlorine pesticides in tobacco before GC/MS analysis.

Read More thumbnail image: Journal Highlight Fractional factorial design based microwave-assisted extraction for the determination of organophosphorus and organochlorine residues in tobacco by using GCMS

Iranian chemists identify Russian chemical warfare agents

Date: Jan 1, 2017

Author: Ryan De Vooght-Johnson

All chemical weapons were banned by the Chemical Weapons Convention, but concerns about the possible use of these substances still persist. Writing in Rapid Communications in Mass Spectrometry, Iranian researchers disclose GC/MS and LC-MS/MS methods for detecting a number of the obscure ‘Novichok’ chemical warfare agents.

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CPR to resuscitate polluted produce

Date: Dec 13, 2016

Author: Ryan De Vooght-Johnson

More successful prevention of global pesticide abuse proves imminent as Chinese scientists use CPR (Chromatographic Peak Reconstruction) to tackle the problem.

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Journal Highlight: Field-based evaluation of a novel SPME-GC-MS method for investigation of below-ground interaction between Brassica roots and larvae of cabbage root fly, Delia radicum L.

Date: Dec 5, 2016

Author: separationsNOW

A new non-invasive method for passive sampling of root volatiles from plants grown under field conditions uses SPME and GC/MS analysis with PCA to compare volatile profiles.

Read More thumbnail image: Journal Highlight Field-based evaluation of a novel SPME-GC-MS method for investigation of below-ground interaction between Brassica roots and larvae of cabbage root fly Delia radicum L_

Futuristic MS methods found feasible for forensics, pharma and food

Date: Dec 1, 2016

Author: Ryan De Vooght-Johnson

Curiosity killed the cat—allegedly—but also allowed Sapiens to flourish. At the heart of humankind’s endless curiosity lies a labyrinth of data, verging on too complex and too vast for humankind to process. In response, scientists have handed their MS/MS data to silicon, to great success.

Read More thumbnail image: Futuristic MS methods found feasible for forensics pharma and food
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