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ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells

Title
ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells
Authors
Baek, HyeonjunKwak, HankyulSong, Minho S.Ha, Go EunPark, JongwooTchoe, YoungbinHyun, Jerome K.Park, Hye YoonCheong, EunjiYi, Gyu-Chul
Ewha Authors
현가담
SCOPUS Author ID
현가담scopus
Issue Date
2017
Journal Title
APL MATERIALS
ISSN
2166-532XJCR Link
Citation
vol. 5, no. 4
Publisher
AMER INST PHYSICS
Indexed
SCIE; SCOPUS WOS
Abstract
We report on scalable and position-controlled optical nanoprobe arrays using ZnO nanotube waveguides on graphene films for use in local optical excitation. For the wave-guide fabrication, position-controlled and well-ordered ZnO nanotube arrays were grown on chemical vapor deposited graphene films with a submicron patterned mask layer and Au prepared between the interspace of nanotubes. Mammalian cells were cultured on the nanotube waveguide arrays and were locally excited by light illuminated through the nanotubes. Fluorescence and optogenetic signals could be excited through the optical nanoprobes. This method offers the ability to investigate cellular behavior with a high spatial resolution that surpasses the current limitation. (C) 2017 Author(s).
DOI
10.1063/1.4981646
Appears in Collections:
자연과학대학 > 화학·나노과학전공 > Journal papers
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