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

Hyeonjun Baek; Hankyul Kwak; Minho S. Song; Go Eun Ha; Jongwoo Park; Youngbin Tchoe; Jerome K. Hyun; Hye Yoon Park; Eunji Cheong; Gyu Chul Yi

doi:10.1063/1.4981646

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

Hyeonjun Baek, Hankyul Kwak, Minho S. Song, Go Eun Ha, Jongwoo Park, Youngbin Tchoe, Jerome K. Hyun, Hye Yoon Park, Eunji Cheong, Gyu Chul Yi

Research output: Contribution to journal › Article › peer-review

6 Scopus citations

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 waveguide 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.

Original language	English (US)
Article number	046106
Journal	APL Materials
Volume	5
Issue number	4
DOIs	https://doi.org/10.1063/1.4981646
State	Published - Apr 1 2017
Externally published	Yes

Bibliographical note

Funding Information:
This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Ministry of Science, ICT and Future Planning (MSIP) (Nos. NRF-2015K1A1A2033332, NRF-2014M3A7B4051596, and NRF-2015R1A5A1037627), and by the SNU-Yonsei Research Cooperation Program through Seoul National University (SNU) in 2016. It was also supported by grants from CAMP funded by the Ministry of Science and Technology (RIAM) and from the Korea Research Foundation. H. Y. Park acknowledges support from the Basic Science Research Program through the NRF funded by the Ministry of Science, ICT and Future Planning (No. 2015R1C1A1A02036674).

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© 2017 Author(s).

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title = "ZnO nanotube waveguide arrays on graphene films for local optical excitation on biological cells",

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 waveguide 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.",

author = "Hyeonjun Baek and Hankyul Kwak and Song, {Minho S.} and Ha, {Go Eun} and Jongwoo Park and Youngbin Tchoe and Hyun, {Jerome K.} and Park, {Hye Yoon} and Eunji Cheong and Yi, {Gyu Chul}",

note = "Funding Information: This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Ministry of Science, ICT and Future Planning (MSIP) (Nos. NRF-2015K1A1A2033332, NRF-2014M3A7B4051596, and NRF-2015R1A5A1037627), and by the SNU-Yonsei Research Cooperation Program through Seoul National University (SNU) in 2016. It was also supported by grants from CAMP funded by the Ministry of Science and Technology (RIAM) and from the Korea Research Foundation. H. Y. Park acknowledges support from the Basic Science Research Program through the NRF funded by the Ministry of Science, ICT and Future Planning (No. 2015R1C1A1A02036674). Publisher Copyright: {\textcopyright} 2017 Author(s).",

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AU - Baek, Hyeonjun

AU - Kwak, Hankyul

AU - Song, Minho S.

AU - Ha, Go Eun

AU - Park, Jongwoo

AU - Tchoe, Youngbin

AU - Hyun, Jerome K.

AU - Park, Hye Yoon

AU - Cheong, Eunji

AU - Yi, Gyu Chul

N1 - Funding Information: This work was supported by a National Research Foundation of Korea (NRF) grant funded by the Ministry of Science, ICT and Future Planning (MSIP) (Nos. NRF-2015K1A1A2033332, NRF-2014M3A7B4051596, and NRF-2015R1A5A1037627), and by the SNU-Yonsei Research Cooperation Program through Seoul National University (SNU) in 2016. It was also supported by grants from CAMP funded by the Ministry of Science and Technology (RIAM) and from the Korea Research Foundation. H. Y. Park acknowledges support from the Basic Science Research Program through the NRF funded by the Ministry of Science, ICT and Future Planning (No. 2015R1C1A1A02036674). Publisher Copyright: © 2017 Author(s).

PY - 2017/4/1

Y1 - 2017/4/1

N2 - 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 waveguide 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.

AB - 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 waveguide 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.

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

Abstract

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