Bioassisted selective-capture and release of nanoparticles toward application on microfluidic devices

Y. Shimada; M. Suzuki; M. Sugiyama; I. Kumagai; M. Umetsu

doi:10.1109/TRANSDUCERS.2011.5969818

Bioassisted selective-capture and release of nanoparticles toward application on microfluidic devices

Y. Shimada, M. Suzuki, M. Sugiyama, I. Kumagai, M. Umetsu

ENG - Biomolecular Engineering

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Abstract

Peptides with affinity for inorganic materials hold promise for immobilizing functional nanostructures on a solid surface. In this study, a peptide with strict selective affinity for ZnO surfaces was utilized. We functionalized cadmium selenide (CdSe) nanoparticles by conjugating ZnO-binding peptides (ZnOBPs) on the surface of the nanoparticles and performed spontaneous and reversible patterning of ZnOBP-displayed nanoparticles on lithographed ZnO films. Conjugation of ZnOBPs on CdSe nanoparticles caused spontaneous adsorption of the nanoparticles on a ZnO film, and fluorescence and cathodoluminescence images clearly showed specific adsorption of nanoparticles on nano- and micrometer scales. The selectively-bound nanoparticles on ZnO films were completely released by changing the phosphate concentration in solution; such release did not require heat or mechanical applications. Our results show the potential of material-binding peptides for nanopatterning and dynamic microarray applications.

Original language	English
Title of host publication	2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Pages	1745-1748
Number of pages	4
DOIs	https://doi.org/10.1109/TRANSDUCERS.2011.5969818
Publication status	Published - 2011
Event	2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 - Beijing, China Duration: 2011 Jun 5 → 2011 Jun 9

Publication series

Name	2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11

Other

Other	2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11
Country/Territory	China
City	Beijing
Period	11/6/5 → 11/6/9

Keywords

material-binding peptide
nanoparticles
reversible patterning

ASJC Scopus subject areas

Hardware and Architecture
Electrical and Electronic Engineering

Access to Document

10.1109/TRANSDUCERS.2011.5969818

Cite this

Shimada, Y., Suzuki, M., Sugiyama, M., Kumagai, I., & Umetsu, M. (2011). Bioassisted selective-capture and release of nanoparticles toward application on microfluidic devices. In 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11 (pp. 1745-1748). [5969818] (2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11). https://doi.org/10.1109/TRANSDUCERS.2011.5969818

Bioassisted selective-capture and release of nanoparticles toward application on microfluidic devices. / Shimada, Y.; Suzuki, M.; Sugiyama, M. et al.

2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11. 2011. p. 1745-1748 5969818 (2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11).

Research output: Chapter in Book/Report/Conference proceeding › Conference contribution

Shimada, Y, Suzuki, M, Sugiyama, M, Kumagai, I & Umetsu, M 2011, Bioassisted selective-capture and release of nanoparticles toward application on microfluidic devices. in 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11., 5969818, 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11, pp. 1745-1748, 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11, Beijing, China, 11/6/5. https://doi.org/10.1109/TRANSDUCERS.2011.5969818

Shimada Y, Suzuki M, Sugiyama M, Kumagai I, Umetsu M. Bioassisted selective-capture and release of nanoparticles toward application on microfluidic devices. In 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11. 2011. p. 1745-1748. 5969818. (2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11). doi: 10.1109/TRANSDUCERS.2011.5969818

Shimada, Y. ; Suzuki, M. ; Sugiyama, M. et al. / Bioassisted selective-capture and release of nanoparticles toward application on microfluidic devices. 2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11. 2011. pp. 1745-1748 (2011 16th International Solid-State Sensors, Actuators and Microsystems Conference, TRANSDUCERS'11).

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AB - Peptides with affinity for inorganic materials hold promise for immobilizing functional nanostructures on a solid surface. In this study, a peptide with strict selective affinity for ZnO surfaces was utilized. We functionalized cadmium selenide (CdSe) nanoparticles by conjugating ZnO-binding peptides (ZnOBPs) on the surface of the nanoparticles and performed spontaneous and reversible patterning of ZnOBP-displayed nanoparticles on lithographed ZnO films. Conjugation of ZnOBPs on CdSe nanoparticles caused spontaneous adsorption of the nanoparticles on a ZnO film, and fluorescence and cathodoluminescence images clearly showed specific adsorption of nanoparticles on nano- and micrometer scales. The selectively-bound nanoparticles on ZnO films were completely released by changing the phosphate concentration in solution; such release did not require heat or mechanical applications. Our results show the potential of material-binding peptides for nanopatterning and dynamic microarray applications.

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Bioassisted selective-capture and release of nanoparticles toward application on microfluidic devices

Abstract

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Keywords

ASJC Scopus subject areas

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