Chemometric-Assisted Litmus Test: One Single Sensing Platform Adapted from 1-13 to Narrow pH Ranges.

Lisa Rita Magnaghi, Giancarla Alberti, Camilla Zanoni, Marta Guembe-Garcia, Paolo Quadrelli, Raffaela Biesuz

Abstract read

In one paragraph

Article in Sensors (Basel, Switzerland), 2023. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 1 paper.

0numbers the graph read from it

0cells of the map it votes in

1citing papers in PubMed

–field-weighted citation impact

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

1 citing paper in PubMed.

Positively Charged Organosilanes Covalently Linked to the Silica Network as Modulating Tools for the Salinity Correction of pH Values Obtained with Colorimetric Sensor Arrays (CSAs).Sensors (Basel, Switzerland) · 2024
Article

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

6 authors.

Lisa Rita MagnaghiDepartment of Chemistry, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy.ORCID 0000-0002-4484-4788

Giancarla AlbertiDepartment of Chemistry, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy.ORCID 0000-0003-4106-2219

Camilla ZanoniDepartment of Chemistry, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy.

Marta Guembe-GarciaDepartment of Chemistry, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy.ORCID 0000-0003-2483-2576

Paolo QuadrelliDepartment of Chemistry, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy.ORCID 0000-0001-5369-9140

Raffaela BiesuzDepartment of Chemistry, University of Pavia, Via Taramelli 12, 27100 Pavia, Italy.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

A novel 3 × 4 colorimetric sensing platform, named the chemometric-assisted litmus test (CLT), has been developed by covalently anchoring commercial pH indicators to ethylene vinyl alcohol (EVOH). The proposed device can be exploited for pH determinations in a wide range from 1 to 13 and in specific narrow ranges, achieving sufficient accuracy and errors below 0.5 pH units. The experimental procedure is simple, quick and reliable; equilibration is reached in less than 2 h, CLT pictures are acquired by a camera, and data treatment is performed applying chemometric techniques such as principal component analysis (PCA) and partial least square regression (PLS) to RGB indices.

Indexed as

analytical chemistrychemometricscolorimetric sensorsPCApH sensorsPLSpolymer sensors

Identifiers

PMID36772740

DOI10.3390/s23031696

PMCPMC9919261

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