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Facile determination of sphingolipids under alkali condition using metal-free column by LC-MS/MS

Overview of attention for article published in Analytical & Bioanalytical Chemistry, May 2018
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  • High Attention Score compared to outputs of the same age and source (86th percentile)

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Title
Facile determination of sphingolipids under alkali condition using metal-free column by LC-MS/MS
Published in
Analytical & Bioanalytical Chemistry, May 2018
DOI 10.1007/s00216-018-1116-5
Pubmed ID
Authors

Siddabasave Gowda B. Gowda, Kazutaka Ikeda, Makoto Arita

Abstract

Extraction and analysis of sphingolipids from biological samples is a critical step in lipidomics, especially for minor species such as sphingoid bases and sphingosine-1-phosphate. Although several liquid chromatography-mass spectrometry methods enabling the determination of sphingolipid molecular species have been reported, they were limited in analytical sensitivity and reproducibility by causing significant peak tailing, especially by the presence of phosphate groups, and most of the extraction techniques are laborious and do not cover a broad range of sphingolipid metabolites. In this study, we developed a rapid single-phase extraction and highly sensitive analytical method for the detection and quantification of sphingolipids (including phosphates) comprehensively using liquid chromatography-triple quadruple mass spectrometry. After validating the reliability of the method, we analyzed the intestinal tissue sphingolipids of germ-free (GF) and specific pathogen-free (SPF) mice and found significantly higher levels of free sphingoid bases and sphingosine-1-phosphate in the GF condition as compared to the SPF condition. This method enables a rapid extraction and highly sensitive determination of sphingolipids comprehensively at low femtomolar ranges. Graphical abstract Diagrammatic comparision of sphingolipid (phosphates) analysis between conventional and this method.

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X Demographics

The data shown below were collected from the profiles of 12 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 20 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 20 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 4 20%
Student > Bachelor 3 15%
Researcher 2 10%
Professor > Associate Professor 2 10%
Unspecified 1 5%
Other 3 15%
Unknown 5 25%
Readers by discipline Count As %
Pharmacology, Toxicology and Pharmaceutical Science 3 15%
Biochemistry, Genetics and Molecular Biology 3 15%
Agricultural and Biological Sciences 3 15%
Chemistry 2 10%
Linguistics 1 5%
Other 2 10%
Unknown 6 30%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 6. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 12 July 2018.
All research outputs
#6,335,799
of 25,382,440 outputs
Outputs from Analytical & Bioanalytical Chemistry
#1,452
of 9,619 outputs
Outputs of similar age
#101,508
of 341,024 outputs
Outputs of similar age from Analytical & Bioanalytical Chemistry
#23
of 166 outputs
Altmetric has tracked 25,382,440 research outputs across all sources so far. This one has received more attention than most of these and is in the 74th percentile.
So far Altmetric has tracked 9,619 research outputs from this source. They receive a mean Attention Score of 3.1. This one has done well, scoring higher than 84% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 341,024 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 70% of its contemporaries.
We're also able to compare this research output to 166 others from the same source and published within six weeks on either side of this one. This one has done well, scoring higher than 86% of its contemporaries.