Naked oats-derived dual-emission carbon nanodots for ratiometric sensing and cellular imaging

Lihong Shi; Xiaofeng Li; Yanyan Li; Xiangping Wen; Junfen Li; Martin M.F. Choi; Chuan Dong; Shaomin Shuang

doi:10.1016/j.snb.2014.12.097

Naked oats-derived dual-emission carbon nanodots for ratiometric sensing and cellular imaging

Lihong Shi, Xiaofeng Li, Yanyan Li, Xiangping Wen, Junfen Li, Martin M.F. Choi, Chuan Dong, Shaomin Shuang^*

^*Corresponding author for this work

Department of Chemistry

Research output: Contribution to journal › Journal article › peer-review

105 Citations (Scopus)

Abstract

We report a green and facile strategy for fabrication of dual-emission carbon nanodots (CDs), and demonstrate their applications in ratiometric sensing and cellular imaging. Dual-emission CDs have been prepared by pyrolysis and microwave treatment of naked oats, providing a novel way for the production of dual luminance CDs without the request of tedious synthetic methodology or the use of toxic/expensive solvents and starting materials. Their intriguing dual fluorescence behavior is observed when the excitation wavelength is between 250 and 310 nm. The well-resolved dual emission bands manifest excitation and temperature dependence. The obtained CDs were applied as a ratiometric fluorescent sensing platform for precise and quantitative detection of Al³⁺ ions and pH values, and as optical nanoprobes for cellular imaging.

Original language	English
Pages (from-to)	533-541
Number of pages	9
Journal	Sensors and Actuators B: Chemical
Volume	210
DOIs	https://doi.org/10.1016/j.snb.2014.12.097
Publication status	Published - Apr 2015

User-Defined Keywords

Carbon nanodots
Cellular imaging
Fluorescence
Ratiometric sensing

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10.1016/j.snb.2014.12.097

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title = "Naked oats-derived dual-emission carbon nanodots for ratiometric sensing and cellular imaging",

abstract = "We report a green and facile strategy for fabrication of dual-emission carbon nanodots (CDs), and demonstrate their applications in ratiometric sensing and cellular imaging. Dual-emission CDs have been prepared by pyrolysis and microwave treatment of naked oats, providing a novel way for the production of dual luminance CDs without the request of tedious synthetic methodology or the use of toxic/expensive solvents and starting materials. Their intriguing dual fluorescence behavior is observed when the excitation wavelength is between 250 and 310 nm. The well-resolved dual emission bands manifest excitation and temperature dependence. The obtained CDs were applied as a ratiometric fluorescent sensing platform for precise and quantitative detection of Al3+ ions and pH values, and as optical nanoprobes for cellular imaging.",

keywords = "Carbon nanodots, Cellular imaging, Fluorescence, Ratiometric sensing",

author = "Lihong Shi and Xiaofeng Li and Yanyan Li and Xiangping Wen and Junfen Li and Choi, {Martin M.F.} and Chuan Dong and Shaomin Shuang",

note = "Funding Information: This work was supported by the National Natural Science Foundation of China ( 21175086 , 21306108 and 21105060 ) and Natural Science Foundation of Shanxi Province of China ( 2013011009–5 ). ",

year = "2015",

month = apr,

doi = "10.1016/j.snb.2014.12.097",

language = "English",

volume = "210",

pages = "533--541",

journal = "Sensors and Actuators B: Chemical",

issn = "0925-4005",

publisher = "Elsevier B.V.",

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TY - JOUR

T1 - Naked oats-derived dual-emission carbon nanodots for ratiometric sensing and cellular imaging

AU - Shi, Lihong

AU - Li, Xiaofeng

AU - Li, Yanyan

AU - Wen, Xiangping

AU - Li, Junfen

AU - Choi, Martin M.F.

AU - Dong, Chuan

AU - Shuang, Shaomin

N1 - Funding Information: This work was supported by the National Natural Science Foundation of China ( 21175086 , 21306108 and 21105060 ) and Natural Science Foundation of Shanxi Province of China ( 2013011009–5 ).

PY - 2015/4

Y1 - 2015/4

N2 - We report a green and facile strategy for fabrication of dual-emission carbon nanodots (CDs), and demonstrate their applications in ratiometric sensing and cellular imaging. Dual-emission CDs have been prepared by pyrolysis and microwave treatment of naked oats, providing a novel way for the production of dual luminance CDs without the request of tedious synthetic methodology or the use of toxic/expensive solvents and starting materials. Their intriguing dual fluorescence behavior is observed when the excitation wavelength is between 250 and 310 nm. The well-resolved dual emission bands manifest excitation and temperature dependence. The obtained CDs were applied as a ratiometric fluorescent sensing platform for precise and quantitative detection of Al3+ ions and pH values, and as optical nanoprobes for cellular imaging.

AB - We report a green and facile strategy for fabrication of dual-emission carbon nanodots (CDs), and demonstrate their applications in ratiometric sensing and cellular imaging. Dual-emission CDs have been prepared by pyrolysis and microwave treatment of naked oats, providing a novel way for the production of dual luminance CDs without the request of tedious synthetic methodology or the use of toxic/expensive solvents and starting materials. Their intriguing dual fluorescence behavior is observed when the excitation wavelength is between 250 and 310 nm. The well-resolved dual emission bands manifest excitation and temperature dependence. The obtained CDs were applied as a ratiometric fluorescent sensing platform for precise and quantitative detection of Al3+ ions and pH values, and as optical nanoprobes for cellular imaging.

KW - Carbon nanodots

KW - Cellular imaging

KW - Fluorescence

KW - Ratiometric sensing

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U2 - 10.1016/j.snb.2014.12.097

DO - 10.1016/j.snb.2014.12.097

M3 - Journal article

AN - SCOPUS:84921741238

SN - 0925-4005

VL - 210

SP - 533

EP - 541

JO - Sensors and Actuators B: Chemical

JF - Sensors and Actuators B: Chemical

ER -

Naked oats-derived dual-emission carbon nanodots for ratiometric sensing and cellular imaging

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