Eco-friendly zinc-chitosan/poly(L-lactic acid)/polyurethane nanocomposites for dye removal and antimicrobial wastewater treatment.

Magda M Ragab, Amr M Beltagi, Samia M Elsigeny, Shaban Y Shaban

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Article in Scientific reports, 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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5 · Who and what money

Authors and funding

4 authors.

Magda M RagabAnalytical and Bioinorganic Chemistry Departments, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt.

Amr M BeltagiAnalytical and Bioinorganic Chemistry Departments, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt.

Samia M ElsigenyAnalytical and Bioinorganic Chemistry Departments, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt.

Shaban Y ShabanAnalytical and Bioinorganic Chemistry Departments, Faculty of Science, Kafrelsheikh University, Kafrelsheikh, 33516, Egypt. shaban.shaban@sci.kfs.edu.eg.

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

This research explores the development of sustainable zinc-chitosan/poly(L-lactic acid)/polyurethane (ZnCS/PLA/PU) nanocomposites for the dual-purpose treatment of wastewater by removing Acid Blue 25 dye and inhibiting pathogens. The nanocomposites were synthesized at ZnCS-to-PU ratios of 4:1 (ZCPP41), 1:1 (ZCPP11), and 1:4 (ZCPP14) and feature particle sizes of 191-365 nm and zeta potentials ranging from + 39.1 to -9.7 mV. ZCPP41 demonstrates an impressive adsorption capacity of 142 ± 1.9 mg/g and 98.8% removal efficiency at pH 2, facilitated by electrostatic interactions below a pHzpc of 5.6, complemented by charge-assisted hydrogen bonding and surface complexation through chitosan's -OH and -NH₂ groups. Kinetic studies align with the pseudo-second-order model (k₂ = 0.0071 g/mg min, R² = 0.998), while intraparticle diffusion (k

Indexed as

Anti-Infective AgentsChitosanColoring AgentsLactic AcidNanocompositesPolymersPolyurethanesWastewaterWater PurificationZincAdsorptionAnti-Bacterial AgentsHydrogen-Ion ConcentrationKineticsPolyestersWater Pollutants, ChemicalAnti-Bacterial AgentsAnti-Infective AgentsChitosanColoring AgentsLactic AcidPolyesterspoly(lactide)PolymersPolyurethanesWastewaterWater Pollutants, ChemicalZincAntimicrobial activityDye adsorptionEco-friendly adsorbentsReusabilitySustainableWastewater treatment

Identifiers

PMID40954155

DOI10.1038/s41598-025-18431-x

PMCPMC12436595

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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.