Journal
SENSORS AND ACTUATORS B-CHEMICAL
Volume 255, Issue -, Pages 3248-3256Publisher
ELSEVIER SCIENCE SA
DOI: 10.1016/j.snb.2017.09.151
Keywords
Electrochemical sensors; Carbon nanoplates; Carbon nanotubes; Biomass
Funding
- National Natural Science Foundation of China [21605015]
- Development Project of Science and Technology of Jilin Province [20150520014JH, 20170101176JC]
- Fundamental Research Funds for the Central Universities [2412017BJ003]
- Shenzhen Municipal Government of China [JSGG20150330171741169]
- Recruitment Program of Global Youth Experts
- Jilin Provincial Department of Education
- Northeast Normal University
- Southern University of Science and Technology China
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For the first time, the carbon nanoplates with high density of defective sites derived from the biomass of ground cherry (Physalis peruviana) husks was synthesized for the construction of an advanced electrochemical sensing platform. Electrochemical responses of different molecules (potassium ferricyanide, beta-nicotinamide adenine dinucleotide, hydrogen peroxide, epinephrine and dopamine, the mixture of four free DNA bases (guanine, thymine, cytosine and adenine), cysteine, ascorbic acid, L-tryptophan, uric acid and acetaminophen) were studied at the biomass derived ground cherry husks derived carbon nanoplates (BG-CNPs) modified glassy carbon (GC) (BG-CNPs/GC) electrode, which shows higher electrocatalytic activities than GC electrode. Especially, the BG-CNPs/GC electrode exhibits remarkably strong electrocatalytic response toward hydrogen peroxide (H2O2) compared with carbon nanotubes modified GC (CNTs/GC) and GC electrodes, indicating the great potential feasibility in the detection of H2O2 in human urine as well as the monitoring of H2O2 released from the living cells. All the results indicate that BG-CNPs is a promising carbon material which could be utilized to develop an advanced electrochemical sensing platform with multifunctional applications ranging from voltammetric sensing to amperometric sensing and DNA sensing. (C) 2017 Elsevier B.V. All rights reserved.
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