Evidence map›Paper›PMID 34577101›Full record

ArticleMolecules (Basel, Switzerland)2021

Multicommutated Flow Analysis System for Determination of Horseradish Peroxidase and Its Inhibitors.

Justyna Głowacka, Kamil Strzelak, Robert Koncki

Open access · goldAbstract read
In one paragraph

Article in Molecules (Basel, Switzerland), 2021. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

0numbers the graph read from it
0cells of the map it votes in
0citing papers in PubMed
0.2field-weighted citation impact, top 49% 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

0 citing papers in PubMed, 6 citations in OpenAlex.

No citing paper in PubMed yet.

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

3 authors at 1 institution in 1 country.

Justyna GłowackaFaculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland.ORCID 0000-0003-0620-6491
Kamil StrzelakFaculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland.ORCID 0000-0002-0728-5163
Robert KonckiFaculty of Chemistry, University of Warsaw, Pasteura 1, 02-093 Warsaw, Poland.
University of Warsaw · PL

Funding

Narodowe Centrum Nauki 2019/33/B/NZ9/00921
6 · The paper itself

Abstract

A fully mechanized multicommutated flow analysis (MCFA) system dedicated to determining horseradish peroxidase (HRP) activity was developed. Detection was conducted using a flow-through optoelectronic detector-constructed of paired LEDs operating according to the paired emitter-detector diode (PEDD) principle. The PEDD-MCFA system is dedicated to monitoring the enzyme-catalyzed oxidation of p-phenylenediamine (pPD) by a hydrogen peroxide. Under optimized conditions, the presented bioanalytical system was characterized by a linear response range (33.47-200 U/L) with a detection limit at 10.54 U/L HRP activity and 1.66 mV·L/U sensitivity, relatively high throughput (12 signals recordings per hour), and acceptable precision (RSD below 6%). Additionally, the utility of the developed PEDD-MCFA system for the determination of HRP inhibitors allowing the detection of selected thiols at micromolar levels, is demonstrated. The practical utility of the flow system was illustrated by the analysis of some dietary supplements containing L-cysteine, N-acetylcysteine, and L-glutathione.

Indexed as

CalibrationElectrochemical TechniquesEnzyme AssaysFlow Injection AnalysisHorseradish PeroxidaseHydrogen PeroxideLimit of DetectionMicrofluidic Analytical TechniquesNephelometry and TurbidimetryPhenylenediaminesSulfhydryl Compounds4-phenylenediamineHorseradish PeroxidaseHydrogen PeroxidePhenylenediaminesSulfhydryl Compoundsflow analysishorseradish peroxidasemulticommutationthiols

Identifiers

PMID34577101
PMCPMC8465280
OpenAlexW3199788604

What OpenQuestion 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 OpenQuestion graph.