Hydrogel Tip Integration Onto Tipless Silicon Cantilevers for Atomic Force Microscopy and Its Facile Regeneration

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In this letter, we report hydrogel tip attachment onto tipless silicon cantilevers by ultraviolet curing of hydrogel filled into an elastomeric tip mold, for the first time. By mechanically deforming the tip mold or changing the mold design, attachment of various tip shapes is demonstrated. Hybrid atomic force microscope cantilevers of their tip and beam being hydrogel and silicon are used for imaging various inorganic substrates and HeLa cells. Since the hydrogel tip can be selectively removed by piranha solution, hydrogel tip regeneration is also realized by removing the used hydrogel tip and re-attaching a new tip.
Publisher
IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC
Issue Date
2018-04
Language
English
Article Type
Article
Citation

JOURNAL OF MICROELECTROMECHANICAL SYSTEMS, v.27, no.2, pp.125 - 126

ISSN
1057-7157
DOI
10.1109/JMEMS.2018.2805778
URI
http://hdl.handle.net/10203/248326
Appears in Collection
ME-Journal Papers(저널논문)
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