Cloisite Microrobots as Self-Propelling Cleaners for Fast and Efficient Removal of Improvised Organophosphate Nerve Agents

Tijana Maric, Muhammad Zafir Mohamad Nasir, Carmen C. Mayorga-Martinez, Nur Farhanah Rosli, Maja Budanović, Kateřina Szökölová, Richard D. Webster, Zdenek Sofer, Martin Pumera

Research output: Contribution to journalArticle

2 Citations (Scopus)

Abstract

Naturally available microclays are well-known materials with great adsorption capabilities that are available in nature in megatons quantities. On the contrary, artificial nanostructures are often available at high cost via precision manufacturing. Such precision nanomanufacturing is also typically used for fabrication of self-propelled micromotors and nanomachines. Herein, we utilized naturally available Cloisite microclays to fabricate autonomous self-propelled microrobots and demonstrated their excellent performances in pesticide removal due to their excellent adsorption capability. Six different modified Cloisite microrobots were investigated by sputtering their microclays with platinum (Pt) for the fabrication of platinum-Cloisite (Pt-C) microrobots. The obtained microrobots displayed fast velocities (v > 110 μm/s) with fast and efficient enhanced removal of the pesticide fenitrothion, which is also considered as improvised nerve agent. The fabricated Pt-C microrobots exhibited low cytotoxicity even at high concentrations when incubated with human lung carcinoma epithelial cells, which make them safe for human handling.

Original languageEnglish
Pages (from-to)31832-31843
Number of pages12
JournalACS Applied Materials and Interfaces
Volume11
Issue number35
DOIs
Publication statusPublished - 2019 Sep 4

Fingerprint

Organophosphates
Platinum
Pesticides
Fenitrothion
Micromotors
Adsorption
Fabrication
Cytotoxicity
Sputtering
Nanostructures
Nerve Agents
Costs

All Science Journal Classification (ASJC) codes

  • Materials Science(all)

Cite this

Maric, Tijana ; Nasir, Muhammad Zafir Mohamad ; Mayorga-Martinez, Carmen C. ; Rosli, Nur Farhanah ; Budanović, Maja ; Szökölová, Kateřina ; Webster, Richard D. ; Sofer, Zdenek ; Pumera, Martin. / Cloisite Microrobots as Self-Propelling Cleaners for Fast and Efficient Removal of Improvised Organophosphate Nerve Agents. In: ACS Applied Materials and Interfaces. 2019 ; Vol. 11, No. 35. pp. 31832-31843.
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Maric, T, Nasir, MZM, Mayorga-Martinez, CC, Rosli, NF, Budanović, M, Szökölová, K, Webster, RD, Sofer, Z & Pumera, M 2019, 'Cloisite Microrobots as Self-Propelling Cleaners for Fast and Efficient Removal of Improvised Organophosphate Nerve Agents', ACS Applied Materials and Interfaces, vol. 11, no. 35, pp. 31832-31843. https://doi.org/10.1021/acsami.9b08332

Cloisite Microrobots as Self-Propelling Cleaners for Fast and Efficient Removal of Improvised Organophosphate Nerve Agents. / Maric, Tijana; Nasir, Muhammad Zafir Mohamad; Mayorga-Martinez, Carmen C.; Rosli, Nur Farhanah; Budanović, Maja; Szökölová, Kateřina; Webster, Richard D.; Sofer, Zdenek; Pumera, Martin.

In: ACS Applied Materials and Interfaces, Vol. 11, No. 35, 04.09.2019, p. 31832-31843.

Research output: Contribution to journalArticle

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AU - Szökölová, Kateřina

AU - Webster, Richard D.

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AU - Pumera, Martin

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