Remediation of water using a nanofabricated cellulose membrane embedded with silver nanoparticles

Salma Shad, Iseult Lynch*, Syed Waqar Hussain Shah, Nadia Bashir

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

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The removal of pesticide pollution is imperative, because of their high environmental load and persistence, and their potential for bioaccumulation in, and toxicity to the environment. Most pesticides are found to be toxic even at trace levels. AgNPs can be effectively used for the adsorption of pesticides, and the incorporation of the AgNPs onto a support polymeric membrane enhances their effectiveness and reduces the potential unwanted consequences of intentionally adding free nanoparticles to the environment. Here, silver nanoparticles (AgNPs) were synthesized using a reliable, eco-friendly, and one-step “green” method, by reacting Mentha Piperita (mint) extract with AgNO3 aqueous solution at 60 °C in a microwave. The resulting high surface area nanoparticles are both economic and effective environmental remediation agents, playing a promising role in the elimination of aquatic pesticide pollution. Embedding the nanoparticles into a cellulose membrane at a low concentration (0.1 g) of AgNPs was shown to result in effectively adsorption of representative pesticides (Cypermethrin, Paraquat, and Cartap) within 60 min, while increasing the concentration of nanoparticles incorporated into the membrane further enhanced the removal of the exemplar pesticides from water. The high adsorption capacity makes the cellulose-AgNPs membrane an excellent substrate for the remediation of pesticide-polluted water.
Original languageEnglish
Article number1035
Number of pages17
Issue number11
Publication statusPublished - 24 Oct 2022


  • Article
  • adsorption
  • agricultural run-off
  • nanoparticle-enhanced polymeric membrane
  • pesticide contamination
  • remediation


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