The graphene nanopowder for electro-catalytic oxidation of dopamine and uric acid in the presence of ascorbic acid

Bu, Yuan; Dai, Wenle; Li, Nan; Zhao, Xinran; Zuo, Xia

doi:10.1016/s2095-4956(13)60091-1

Cited by 17 publications

(5 citation statements)

References 25 publications

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“…[2] In comparison, chemical reduction of graphite oxide is popular for electrochemical sensors because it results in graphene with structural defects and functional groups, which benefits electrochemical detection of neurotransmitters. [59]…”

Section: 0 Neurotransmitters/neurochemicalsmentioning

confidence: 99%

Recent trends in carbon nanomaterial-based electrochemical sensors for biomolecules: A review

Yang

Denno

Pyakurel

et al. 2015

Analytica Chimica Acta

494

263

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Carbon nanomaterials are advantageous for electrochemical sensors because they increase the electroactive surface area, enhance electron transfer, and promote adsorption of molecules. Carbon nanotubes (CNTs) have been incorporated into electrochemical sensors for biomolecules and strategies have included the traditional dip coating and drop casting methods, direct growth of CNTs on electrodes and the use of CNT fibers and yarns made exclusively of CNTs. Recent research has also focused on utilizing many new types of carbon nanomaterials beyond CNTs. Forms of graphene are now increasingly popular for sensors including reduced graphene oxide, carbon nanohorns, graphene nanofoams, graphene nanorods, and graphene nanoflowers. In this review, we compare different carbon nanomaterial strategies for creating electrochemical sensors for biomolecules. Analytes covered include neurotransmitters and neurochemicals, such as dopamine, ascorbic acid, and serotonin; hydrogen peroxide; proteins, such as biomarkers; and DNA. The review also addresses enzyme-based electrodes that are used to detect non-electroactive species such as glucose, alcohols, and proteins. Finally, we analyze some of the future directions for the field, pointing out gaps in fundamental understanding of electron transfer to carbon nanomaterials and the need for more practical implementation of sensors.

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Section: 0 Neurotransmitters/neurochemicalsmentioning

confidence: 99%

Recent trends in carbon nanomaterial-based electrochemical sensors for biomolecules: A review

Yang

Denno

Pyakurel

et al. 2015

Analytica Chimica Acta

494

263

View full text Add to dashboard Cite

show abstract

“…The regression coefficient (R 2 ) was 0.95 and the limit of detection was 10 nM. To the best of our knowledge, the sensing ability of Co/Co‐N@NPC‐CPE was excellent, when compared to the previously reported cobalt mediated sensors for dopamine (Table ) .…”

Section: Resultsmentioning

confidence: 99%

Co/Co‐N@Nanoporous Carbon Derived from ZIF‐67: A Highly Sensitive and Selective Electrochemical Dopamine Sensor

et al. 2018

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Co/Co‐N nanoparticles incorporated nitrogen‐doped nanoporous carbon (Co/Co‐N@NPC) nanostructures were fabricated via pyrolysis of metal organic framework, ZIF‐67, under argon atmosphere. The ZIF‐67 derived Co/Co‐N@NPC modified carbon paste electrode exhibited excellent performance during electroanalysis of dopamine, displaying two linear ranges; 10 nM to 50 μM, and 50 μM–500 μM with sensitivity of 12.4±0.3 μA/μM/cm2 and11.69±0.06 μA/μM/cm2, respectively. The modified electrodes were observed to be highly selective towards dopamine even in presence of other interfering biomolecules such as ascorbic acid, glucose and uric acid. To the best of our knowledge, the sensing ability of Co/Co‐N@NPC with a lower limit of detection as 6 nM is the best compared to the previously reported cobalt mediated sensors for dopamine. Practical feasibility of the sensor was demonstrated in real sample analysis of dopamine measurement in human urine samples and dopamine hydrochloride injection samples.

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“…In the sensor, the UA oxidation reaction (UOR) occurs at the sensing electrode modified with Au [10] , [11] or Pt-based nanoparticles [12] , [13] , which act as catalysts. Recently, inexpensive two-dimensional (2D) nanomaterials, such as graphene [14] , [15] , N-doped graphene [16] , [17] , and flowers composed of MoS 2 nanosheets [5] , [18] have been found to have high UOR activities and have been applied for UA sensing.…”

Section: Introductionmentioning

confidence: 99%

Sonoelectrochemical exfoliation of defective black phosphorus nanosheet with black phosphorus quantum dots as a uric acid sensor

Wang,

Cheng,

Chen

et al. 2024

Ultrasonics Sonochemistry

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The graphene nanopowder for electro-catalytic oxidation of dopamine and uric acid in the presence of ascorbic acid

Cited by 17 publications

References 25 publications

Recent trends in carbon nanomaterial-based electrochemical sensors for biomolecules: A review

Recent trends in carbon nanomaterial-based electrochemical sensors for biomolecules: A review

Co/Co‐N@Nanoporous Carbon Derived from ZIF‐67: A Highly Sensitive and Selective Electrochemical Dopamine Sensor

Sonoelectrochemical exfoliation of defective black phosphorus nanosheet with black phosphorus quantum dots as a uric acid sensor

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