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Issue 3, 2018
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A supramolecular hybrid material constructed from graphene oxide and a pillar[6]arene-based host–guest complex as an ultrasound and photoacoustic signal nanoamplifier

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Abstract

Photoacoustic imaging combines the merits of ultrasound imaging and optical imaging, and allows a fascinating imaging paradigm with deeper tissue penetration than optical imaging and higher spatial resolution than ultrasound imaging. Herein, we develop a supramolecular hybrid material composed of graphene oxide (GO) and a pillar[6]arene-based host–guest complex (CP6⊃PyN), which can be used as an ultrasound (US) and photoacoustic (PA) signal nanoamplifier. Triggered by the near-infrared (NIR) light mediated photothermal effect, CO2 nanobubbles are generated on the surface of GO@CP6⊃PyN due to the decomposition of the bicarbonate counterions, thus strongly amplifying its US and PA performances. Our study, for the first time, demonstrates enhanced US and PA activity in a supramolecular hybrid material on the basis of host–guest chemistry as a photoacoustic nanoplatform.

Graphical abstract: A supramolecular hybrid material constructed from graphene oxide and a pillar[6]arene-based host–guest complex as an ultrasound and photoacoustic signal nanoamplifier

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Publication details

The article was received on 30 Jan 2018, accepted on 26 Feb 2018 and first published on 26 Feb 2018


Article type: Communication
DOI: 10.1039/C8MH00128F
Citation: Mater. Horiz., 2018,5, 429-435
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    A supramolecular hybrid material constructed from graphene oxide and a pillar[6]arene-based host–guest complex as an ultrasound and photoacoustic signal nanoamplifier

    G. Yu, J. Yang, X. Fu, Z. Wang, L. Shao, Z. Mao, Y. Liu, Z. Yang, F. Zhang, W. Fan, J. Song, Z. Zhou, C. Gao, F. Huang and X. Chen, Mater. Horiz., 2018, 5, 429
    DOI: 10.1039/C8MH00128F

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