Production of magnetic chitinous microcages from ephippia of zooplankton Daphnia longispina and heavy metal removal studies

Idris Sargin*, Gulsin Arslan, Murat Kaya

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)

Abstract

This is the first study on production of three dimensional chitinous microcages from ephippial eggs of a microcrustacean, Daphnia longispina (water flea) by keeping the original shape of its chitinous structure. Iron-based magnetic particles were successfully loaded into the chitinous microcages to enhance its heavy metal sorption capacity. The FT-IR, SEM-EDX and TGA analysis proved the purity of chitin and demonstrated that the loading of magnetic particles into the chitinous microcages was achieved. These newly obtained three-dimensional chitin microcages and magnetic particles loaded microcages were tested in Cd(II), Cr(III), Cu(II), Ni(II) and Zn(II) removal from aqueous solutions. Magnetic particles loaded microcages exhibited a better performance in removal of Cd(II), Cu(II) and Ni(II) ions; while unloaded microcages showed a higher affinity for Cr(III) and Zn(II). This study demonstrated that the chitin microcages are suitable carriers for iron-based magnetic particles. Here these new materials were studied only for removal of five heavy metal ions but these promising materials have a potential to be used in various fields.

Original languageEnglish
Pages (from-to)200-210
Number of pages11
JournalCarbohydrate Polymers
Volume207
DOIs
Publication statusPublished - 1 Mar 2019
Externally publishedYes

Bibliographical note

Publisher Copyright:
© 2018 Elsevier Ltd

Funding

This study was funded by Selcuk University Research Foundation, Turkey" (project number: BAP-14201082).

FundersFunder number
Selcuk University Research FoundationBAP-14201082

    Keywords

    • Biopolymer
    • Chitin scaffold
    • Ephippia

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