Evidence map›Paper›PMID 33584135›Full record

ArticleJournal of medical biochemistry2021

Phase separation liquid-liquid extraction for the quantification of 8-iso-Prostaglandin F2 Alpha in human plasma by LC-MS/MS.

Desislav G Tomov, Georgeta Bocheva, Vidka Divarova, Lilia Kasabova, Dobrin Svinarov

Open access · diamondAbstract read
In one paragraph

Article in Journal of medical biochemistry, 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.

0numbers the graph read from it
0cells of the map it votes in
4citing papers in PubMed
0.6field-weighted citation impact, top 34% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

4 citing papers in PubMed, 8 citations in OpenAlex.

  1. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

5 authors at 2 institutions in 1 country.

Desislav G TomovTechnological Center for Emergency Medicine, Plovdiv, Bulgaria.
Georgeta BochevaMedical University of Sofia, Faculty of Medicine, Department of Pharmacology and Toxicology, Sofia, Bulgaria.
Vidka DivarovaTechnological Center for Emergency Medicine, Plovdiv, Bulgaria.
Lilia KasabovaMedical University of Sofia, Faculty of Medicine, UMBAL Alexandrovska, Clinical Laboratory & Clinical Pharmacology, Sofia, Bulgaria.
Dobrin SvinarovMedical University of Sofia, Faculty of Medicine, UMBAL Alexandrovska, Clinical Laboratory & Clinical Pharmacology, Sofia, Bulgaria.
Medical University of Sofia · BGMedical University Plovdiv · BG

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

backgroundReactive oxygen species (ROS) are produced in the body during normal metabolism by means of enzymes and non-enzymatic chemical reduction of molecular oxygen. In case of the prevalence of ROS formation over their elimination, highly reactive free radicals can be accumulated and can cause multiple damages to the biomolecules and cells. Determination of isoprostanes in biological matrices is most often used to register free radical damage and requires selective, sensitive and specific techniques.

methodsThis study presents the development and validation of the LC-MS/MS method for the determination of 8-iso-Prostaglandin F2α in human plasma utilising a modified liquid-liquid extraction procedure with phase separation.

resultsModified sample preparation procedure assured higher extraction yield, clear separation of organic layer from the plasma water phase and protein precipitates, and better-purified product for instrumental analysis. Linearity was validated in the range 0.1-5.0 µg/L with R2 > 0.996; normalised matrix varied between 86.0% and 108.3%, accuracy ranged from 90.4 % to 113.9% and precision both within runs and between runs was less than 7%. With a run time of 10 min, a throughput of over 50 samples per working day could be performed.

conclusionsThe method meets all the current industrial validation criteria and allows the accurate and precise determination of 8-iso-PGF2α in human plasma at diagnostically significant concentration range.

Indexed as

8-iso-Prostaglandin F2aLC-MS/MSliquid extraction with phase separation

Identifiers

PMID33584135
PMCPMC7857857
OpenAlexW3042437605

What Socratic holds

Textmetadata
LicenceCC BY
Read underepoch 390

Registered trials

None linked

Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the Socratic graph.