Highly sensitive detection of kinetin with electrochemical exfoliation of graphene nanosheets

Zhang, Yan; Ai, Jixing; Hu, Huali; Wang, Xin; Zhou, Huanxi; Du, Kezhi; Du, Haijun; Yang, Yang

doi:10.1007/s00339-022-05471-7

Cited by 4 publications

(2 citation statements)

References 48 publications

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“…Li (2019) synthesized three kinds of CeO 2 nanostructures and then loaded on the graphene nanoplatelets to detect phenolic pollutants, which exhibited excellent electrochemical activity. Previously, our group has developed electrochemical exfoliation graphene (eGr) sensor, which displays a lowest detection limit (LOD) of 0.15 µM for electrochemical determination of Kinetin (Zhang 2022). Therefore, eGr was employed as supporter to load CeO 2 to form the nanocomposite that will play synergetic effect between Gr and CeO 2 , thus forming a sensitive, selective and promising electrode system for 4-BPA detection.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical determination of 4-bromophenoxyacetic acid based on eGr/CeO2 composite

Zhang

Wang

et al. 2022

Preprint

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Plant growth regulators determination is of great importance for crops quality monitoring. In this work, 4-bromophenoxyacetic acid (4-BPA), one of the phenoxyacetic acid, is detected via electrochemical method for the first time. eGr/CeO2 composite was constructed for the sensing materials due to the synergistic effect of excellent catalytic active sites of CeO2 and good electron transference of electrochemical exfoliated graphene (eGr). The designed eGr/CeO2 sensor has the active surface area of 0.097cm2 and the roughness factor of 2.425. The eGr/CeO2 sensor displayed a good linearity in a wide range from 0.3 to 150 µmol/L and the lowest detection limit is 0.06 µmol/L for 4-BPA detection. Electrochemical determination for 4-BPA is following a diffusion-controlled process on eGr/CeO2 electrode, which involves 2e in the transference processes. This developed eGr/CeO2 sensor has excellent stability with the relative standard deviation (RSD) of 2.35% in 10 continuous measurements, and good reproducibility with RSD of 3.6% in six replicated measurements. Moreover, the recoveries are in the range of 90% − 108% for detecting the 4-BPA in apple juice. The proposed eGr/CeO2 sensor shows a great potential for plant growth regulators detecting in corps.

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Section: Introductionmentioning

confidence: 99%

Electrochemical determination of 4-bromophenoxyacetic acid based on eGr/CeO2 composite

Zhang

Wang

et al. 2022

Preprint

Self Cite

View full text Add to dashboard Cite

show abstract

“…Li [ 30 ] synthesized three kinds of CeO 2 nanostructures and then loaded them on the graphene nanoplatelets to detect phenolic pollutants, which exhibited excellent electrochemical activity. Previously, our group has developed an electrochemical exfoliation graphene (eGr) sensor, which displayed the lowest detection limit (LOD) of 0.15 µM for electrochemical determination of Kinetin [ 31 ]. Therefore, CeO 2 was decorated on the surface of eGr to form a nanocomposite that will have a synergetic effect between eGr and CeO 2 , thus forming a sensitive, selective and promising electrode system for 4-BPA detection.…”

Section: Introductionmentioning

confidence: 99%

Electrochemical Determination of 4-Bromophenoxyacetic Acid Based on CeO2/eGr Composite

Zhang

Wang

et al. 2022

Biosensors

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The determination of plant growth regulators is of great importance for the quality monitoring of crops. In this work, 4-bromophenoxyacetic acid (4-BPA), one of the phenoxyacetic acids, was detected via the electrochemical method for the first time. A CeO2-decorated electrochemical exfoliated graphene (eGr) composite (CeO2/eGr) was constructed as the sensor for sensitive detection of 4-BPA due to the synergistic effect of the excellent catalytic active sites of CeO2 and good electron transference of the eGr. The developed CeO2/eGr sensor displayed a good linearity in a wide range from 0.3 to 150 μmol/L and the lowest detection limit of 0.06 μmol/L for 4-BPA detection. Electrochemical oxidation of 4-BPA follows a mix-controlled process on the CeO2/eGr electrode, which involves 2e in the transference process. This developed CeO2/eGr sensor has excellent repeatability with a relative standard deviation (RSD) of 2.35% in 10 continuous measurements. Moreover, the practical application of the sensor for 4-BPA detection in apple juice has recoveries in the range of 90–108%. This proposed CeO2/eGr sensor has great potential for detecting plant growth regulators in the agricultural industry.

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Graphene and graphene-like carbon nanomaterials-based electrochemical biosensors for phytohormone detection

Yang

Wang

et al. 2022

Carbon Lett.

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Highly sensitive detection of kinetin with electrochemical exfoliation of graphene nanosheets

Cited by 4 publications

References 48 publications

Electrochemical determination of 4-bromophenoxyacetic acid based on eGr/CeO2 composite

Electrochemical determination of 4-bromophenoxyacetic acid based on eGr/CeO2 composite

Electrochemical Determination of 4-Bromophenoxyacetic Acid Based on CeO2/eGr Composite

Graphene and graphene-like carbon nanomaterials-based electrochemical biosensors for phytohormone detection

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