What question did this study set out to answer?

To synthesize and evaluate single-source chitosan nanoparticles for zinc ion adsorption, antibacterial activity, and fish health promotion.

January 1, 2025Open ChemistryOpen Access

Multifunctional chitosan nanoparticles: Zn 2+ adsorption, antimicrobial activity, and promotion of aquatic health

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Authors

MAMohammed S. Alqahtani RSRabbani Syed MSMudassar Shahid

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Overview

Experimental study demonstrates zinc adsorption, antibacterial action, and improved growth in tilapia, suggesting versatile applications in sustainable aquaculture.

Key Points

To synthesize and evaluate single-source chitosan nanoparticles for zinc ion adsorption, antibacterial activity, and fish health promotion.
Synthesized chitosan nanoparticles (CSNPs) via ionotropic gelation and characterized them using UV-Vis, FTIR, XRD, SEM, and TEM.
Optimized Zn2+ adsorption using response surface methodology and tested antibacterial efficacy against Escherichia coli and Staphylococcus aureus via inhibition zone assays.
Conducted dietary feeding trials in tilapia to monitor growth, mortality rates, and red and white blood cell counts.
TEM and SEM showed spherical CSNPs measuring 10 to 40 nm, achieving a maximum Zn2+ loading capacity of 156.2 mg/g at pH 7, 60 minutes of contact time, and 100 mg/L initial concentration (model p < 0.0001, lack-of-fit > 0.1).
CSNPs demonstrated zones of inhibition of 25 mm against E. coli and 24 mm against S. aureus.
CSNP-supplemented diets enhanced tilapia growth, lowered mortality, and improved red blood cell and white blood cell levels.

Cite This Study

Alqahtani et al. (2025) studied this question.

synapsesocial.com/papers/6a7232d626a7f98052de2e1a https://doi.org/10.1515/chem-2025-0154

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January 1, 2025Open ChemistryOpen Access

Multifunctional chitosan nanoparticles: Zn 2+ adsorption, antimicrobial activity, and promotion of aquatic health

View Full Paper

Ask AI

Bookmark

Authors

MAMohammed S. Alqahtani RSRabbani Syed MSMudassar Shahid

Discussion

Member takes

Overview

Experimental study demonstrates zinc adsorption, antibacterial action, and improved growth in tilapia, suggesting versatile applications in sustainable aquaculture.

Key Points

To synthesize and evaluate single-source chitosan nanoparticles for zinc ion adsorption, antibacterial activity, and fish health promotion.
Synthesized chitosan nanoparticles (CSNPs) via ionotropic gelation and characterized them using UV-Vis, FTIR, XRD, SEM, and TEM.
Optimized Zn2+ adsorption using response surface methodology and tested antibacterial efficacy against Escherichia coli and Staphylococcus aureus via inhibition zone assays.
Conducted dietary feeding trials in tilapia to monitor growth, mortality rates, and red and white blood cell counts.
TEM and SEM showed spherical CSNPs measuring 10 to 40 nm, achieving a maximum Zn2+ loading capacity of 156.2 mg/g at pH 7, 60 minutes of contact time, and 100 mg/L initial concentration (model p < 0.0001, lack-of-fit > 0.1).
CSNPs demonstrated zones of inhibition of 25 mm against E. coli and 24 mm against S. aureus.
CSNP-supplemented diets enhanced tilapia growth, lowered mortality, and improved red blood cell and white blood cell levels.

Cite This Study

Alqahtani et al. (2025) studied this question.

synapsesocial.com/papers/6a7232d626a7f98052de2e1a https://doi.org/10.1515/chem-2025-0154

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