Evidence map›Paper›PMID 41011698›Full record

ArticleMolecules (Basel, Switzerland)2025

Effect of Pectin and Copper Modification on the Performance of Pd/ZnO Catalyst in Liquid-Phase Hydrogenation and Photocatalytic Hydrogen Evolution.

Alima M Kenzheyeva, Alima K Zharmagambetova, Eldar T Talgatov, Aigul T Zamanbekova, Aigul I Jumekeyeva, Assemgul S Auyezkhanova, Zhannur K Myltykbayeva, Atıf Koca

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In one paragraph

Article in Molecules (Basel, Switzerland), 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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0citing papers in PubMed
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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

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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

8 authors.

Alima M KenzheyevaLaboratory of Organic Catalysis, D.V. Sokolskiy Institute of Fuel, Catalysis, and Electrochemistry, Kunaev Str. 142, Almaty 050010, Kazakhstan.
Alima K ZharmagambetovaLaboratory of Organic Catalysis, D.V. Sokolskiy Institute of Fuel, Catalysis, and Electrochemistry, Kunaev Str. 142, Almaty 050010, Kazakhstan.
Eldar T TalgatovLaboratory of Organic Catalysis, D.V. Sokolskiy Institute of Fuel, Catalysis, and Electrochemistry, Kunaev Str. 142, Almaty 050010, Kazakhstan.ORCID 0000-0001-8153-4765
Aigul T ZamanbekovaLaboratory of Organic Catalysis, D.V. Sokolskiy Institute of Fuel, Catalysis, and Electrochemistry, Kunaev Str. 142, Almaty 050010, Kazakhstan.
Aigul I JumekeyevaLaboratory of Organic Catalysis, D.V. Sokolskiy Institute of Fuel, Catalysis, and Electrochemistry, Kunaev Str. 142, Almaty 050010, Kazakhstan.
Assemgul S AuyezkhanovaLaboratory of Organic Catalysis, D.V. Sokolskiy Institute of Fuel, Catalysis, and Electrochemistry, Kunaev Str. 142, Almaty 050010, Kazakhstan.ORCID 0000-0002-8999-2864
Zhannur K MyltykbayevaResearch Institute of New Chemical Technologies and Materials, Al-Farabi Kazakh National University, Almaty 050040, Kazakhstan.
Atıf KocaDepartment of Chemical Engineering, Faculty of Engineering, Marmara University, Istanbul 34854, Türkiye.ORCID 0000-0003-0141-5817

Funding

Science Committee of the Ministry of Science and Higher Education of the Republic of Kazakhstan AP19678287
6 · The paper itself

Abstract

This study investigates the influence of pectin and copper incorporation on the catalytic properties of Pd/ZnO catalysts in the liquid-phase hydrogenation of 2-hexyn-1-ol and photocatalytic hydrogen evolution. A series of monometallic Pd/ZnO catalysts with varying pectin contents (0-8.1 wt%) and bimetallic PdCu-Pec/ZnO catalysts with different Pd to Cu mass ratios (3:1, 1:1, 1:3) were synthesized via sequential adsorption of the polymer and metal ions onto ZnO. The catalysts were characterized using TGA, EDX, IR spectroscopy, XRD, TEM, UV-Vis DRS, and XPS. Characterization confirmed successful modification and changes in surface properties. Pectin modification improved the distribution of Pd nanoparticles on the surface of ZnO, resulting in the enhanced catalytic performance of Pd-Pec/ZnO in both hydrogenation and hydrogen evolution reactions compared to unmodified Pd/ZnO. In contrast, copper addition led to a deterioration of catalytic properties in both processes, likely due to the inhibited reduction of Pd caused by Pd-Cu interactions. Among the catalysts studied, Pd-Pec/ZnO with low pectin content (1.8 wt%) exhibited the highest activity in both reactions. The hydrogenation of 2-hexyn-1-ol to cis-2-hexen-1-ol proceeded with high selectivity (96%) at a rate (W

Indexed as

2-hexyn-1-ol hydrogenationbiopolymer-modified catalystscatalyst modificationcopperPd/ZnO catalystpectinphotocatalytic hydrogen production

Identifiers

PMID41011698
PMCPMC12472442

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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.