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Vilela D, Hortelao AC, Balderas-Xicohténcatl R, et al. Facile fabrication of mesoporous silica micro-jets with multi-functionalities. Nanoscale. 2017;9(37):13990-13997doi: 10.1039/c7nr04527a.
Vilela, D., Hortelao, A. C., Balderas-Xicohténcatl, R., Hirscher, M., Hahn, K., Ma, X., & Sánchez, S. (2017). Facile fabrication of mesoporous silica micro-jets with multi-functionalities. Nanoscale, 9(37), 13990-13997. https://doi.org/10.1039/c7nr04527a
Vilela, D, et al. "Facile fabrication of mesoporous silica micro-jets with multi-functionalities." Nanoscale vol. 9,37 (2017): 13990-13997. doi: https://doi.org/10.1039/c7nr04527a
Vilela D, Hortelao AC, Balderas-Xicohténcatl R, Hirscher M, Hahn K, Ma X, Sánchez S. Facile fabrication of mesoporous silica micro-jets with multi-functionalities. Nanoscale. 2017 Sep 28;9(37):13990-13997. doi: 10.1039/c7nr04527a. PMID: 28891580; PMCID: PMC5708346.
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Nanoscale. 2017 Sep 28;9(37):13990-13997. doi: 10.1039/c7nr04527a.

Facile fabrication of mesoporous silica micro-jets with multi-functionalities.

Nanoscale

D Vilela, A C Hortelao, R Balderas-Xicohténcatl, M Hirscher, K Hahn, X Ma, S Sánchez

Affiliations

  1. Max Planck Institute for Intelligent Systems, Heisenbergstr. 3, 70569 Stuttgart, Germany. [email protected] [email protected].

PMID: 28891580 PMCID: PMC5708346 DOI: 10.1039/c7nr04527a

Abstract

Self-propelled micro/nano-devices have been proved as powerful tools in various applications given their capability of both autonomous motion and on-demand task fulfilment. Tubular micro-jets stand out as an important member in the family of self-propelled micro/nano-devices and are widely explored with respect to their fabrication and functionalization. A few methods are currently available for the fabrication of tubular micro-jets, nevertheless there is still a demand to explore the fabrication of tubular micro-jets made of versatile materials and with the capability of multi-functionalization. Here, we present a facile strategy for the fabrication of mesoporous silica micro-jets (MSMJs) for tubular micromotors which can carry out multiple tasks depending on their functionalities. The synthesis of MSMJs does not require the use of any equipment, making it facile and cost-effective for future practical use. The MSMJs can be modified inside, outside or both with different kinds of metal nanoparticles, which provide these micromotors with a possibility of additional properties, such as the anti-bacterial effect by silver nanoparticles, or biochemical sensing based on surface enhanced Raman scattering (SERS) by gold nanoparticles. Because of the high porosity, high surface area and also the easy surface chemistry process, the MSMJs can be employed for the efficient removal of heavy metals in contaminated water, as well as for the controlled and active drug delivery, as two proof-of-concept examples of environmental and biomedical applications, respectively. Therefore, taking into account the new, simple and cheap method of fabrication, highly porous structure, and multiple functionalities, the mesoporous silica based micro-jets can serve as efficient tools for desired applications.

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