Evidence map›Paper›PMID 42457755›Full record

ArticleScientific reports2026

Efficient removal of methylene blue using Azolla/biochar composite: adsorption behavior and post-use valorization for methanol oxidation.

Omnia M Salem, Noha Abelwahab, Fatma Mohamed

Abstract read
In one paragraph

Article in Scientific reports, 2026. 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
–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

0 citing papers in PubMed.

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.

Omnia M SalemChemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt. omniamohamed_pg@science.bsu.edu.eg.
Noha AbelwahabDepartment of Microbiology, Water and Environment Research Institute (SWERI), Agricultural Research center (ARC), Soil, Giza, 12619, Egypt.
Fatma MohamedChemistry Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62514, Egypt.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

The use of green and sustainable chemistry offers an efficient approach for synthesized innovative materials to address wastewater treatment challenges with declined energy consumption. This study addressed the significant global issues of water pollution from industrialization and population growth by designing cost effective, high-capacity materials utilizing for the removal of Methylene blue dye (MB). A novel bio-composite material (AZ/BC) was synthesized by amalgamating Azolla pinnata extract and biochar by ultrasonication technique. The resultant biomaterials were evaluated using techniques such as XRD, FTIR, and SEM to examine its surface appearance and crystalline structure. Batch adsorption experiments were conducted determine optimal conditions for MB removal, while Monte Carlo simulations were validated the molecules interaction between MB and the AZ/BC surface. The synthesized AZ/BC biomaterial exhibited a successful structural transition to uniformly stacked layers with high porosity, attaining a maximum methylene blue removal effectiveness of 96.21% within 120 min. Adsorption kinetics followed a pseudo-second-order model, and the Langmuir isothermal best described the monolayer adsorption process. Additionally, the used adsorbent was effectively repurposed as an efficient electrocatalyst for methanol oxidation in fuel cells, demonstrating excellent stability and highlighting a sustainable approach for energy production from wastewater treatment material.

Indexed as

AdsorptionAzollaBiocharBiomaterialDMFCsMethylene blueSustainability

Identifiers

PMID42457755
PMCPMC13373190

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Registered trials

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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.