Chemical pre-reduction and electro-reduction guided preparation of a porous graphene bionanocomposite for indole-3-acetic acid detection

Su, Zhaohong; Xu, Xiaolin; Cheng, Yongbing; Tan, Yueming; Xiao, Langtao; Tang, Daili; Jiang, Hongmei; Wang, Huixian

doi:10.1039/c8nr06913a

Cited by 34 publications

(12 citation statements)

References 25 publications

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“…Hence, the development of economical, efficient and sensitive methods for the detection of H 2 O 2 is vital. According to the literature, [46][47][48] the electrochemical method has the advantages of quick response, simple operation, high sensitivity and good selectivity.…”

Section: Design Strategy and Characterization Of Nano-1 And Nano-1/ N...mentioning

confidence: 99%

Organic–inorganic hybrid phosphite-participating S-shaped penta-Ce^III-incorporated tellurotungstate as an electrochemical enzymatic hydrogen peroxide sensor for β-d-glucose detection

Song

Wang

et al. 2022

Inorg. Chem. Front.

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Section: Design Strategy and Characterization Of Nano-1 And Nano-1/ N...mentioning

confidence: 99%

Organic–inorganic hybrid phosphite-participating S-shaped penta-Ce^III-incorporated tellurotungstate as an electrochemical enzymatic hydrogen peroxide sensor for β-d-glucose detection

Song

Wang

et al. 2022

Inorg. Chem. Front.

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“…A sensor employing platinum black and carbon nanotube surface modifications characterised auxin flux in 3- to 5-day roots non-invasively [ 98 ]. Moreover, a sensor utilising a porous graphene bionanocomposite of porous graphene, gold nanoparticles, and anti-indole-3-acetic acid antibody for sensitive and label-free amperometric immunoassay of indole-3-acetic acid (IAA; an auxin-class hormone) was reported to have a low detection limit and can been applied to the detection of IAA in plant sample extracts [ 188 ].…”

Section: Nanosensor Applications In Plantsmentioning

confidence: 99%

Nanosensor Applications in Plant Science

Shaw

Honeychurch

2022

Biosensors

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Plant science is a major research topic addressing some of the most important global challenges we face today, including energy and food security. Plant science has a role in the production of staple foods and materials, as well as roles in genetics research, environmental management, and the synthesis of high-value compounds such as pharmaceuticals or raw materials for energy production. Nanosensors—selective transducers with a characteristic dimension that is nanometre in scale—have emerged as important tools for monitoring biological processes such as plant signalling pathways and metabolism in ways that are non-destructive, minimally invasive, and capable of real-time analysis. A variety of nanosensors have been used to study different biological processes; for example, optical nanosensors based on Förster resonance energy transfer (FRET) have been used to study protein interactions, cell contents, and biophysical parameters, and electrochemical nanosensors have been used to detect redox reactions in plants. Nanosensor applications in plants include nutrient determination, disease assessment, and the detection of proteins, hormones, and other biological substances. The combination of nanosensor technology and plant sciences has the potential to be a powerful alliance and could support the successful delivery of the 2030 Sustainable Development Goals. However, a lack of knowledge regarding the health effects of nanomaterials and the high costs of some of the raw materials required has lessened their commercial impact.

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“…Plant physiological processes are usually the result of network regulation of a variety of phytohormones [ 2 ]; thus, it is necessary to develop an effective method for simultaneous detection of phytohormones. At present, the established methods for phytohormone detection mainly include chromatography [ 3 , 4 ], liquid chromatography tandem mass spectrometry [ 5 ], capillary electrophoresis [ 6 ], fluorescence method [ 7 ], and electrochemical method [ 8 , 9 , 10 ], among others. Among the many detection methods, the electrochemical method is favored because of its convenient operation, inexpensive equipment, rapid response, and high sensitivity [ 11 ].…”

Section: Introductionmentioning

confidence: 99%

Simultaneous Electrochemical Sensing of Indole-3-Acetic Acid and Salicylic Acid on Poly(L-Proline) Nanoparticles–Carbon Dots–Multiwalled Carbon Nanotubes Composite-Modified Electrode

Kuang

Fan

et al. 2022

Sensors

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Sensitive simultaneous electrochemical sensing of phytohormones indole-3-acetic acid and salicylic acid based on a novel poly(L-Proline) nanoparticles–carbon dots composite consisting of multiwalled carbon nanotubes was reported in this study. The poly(L-Proline) nanoparticles–carbon dots composite was facilely prepared by the hydrothermal method, and L-Proline was used as a monomer and carbon source for the preparation of poly(L-Proline) nanoparticles and carbon dots, respectively. Then, the poly(L-Proline) nanoparticles–carbon dots–multiwalled carbon nanotubes composite was prepared by ultrasonic mixing of poly(L-Proline) nanoparticles–carbon dots composite dispersion and multiwalled carbon nanotubes. Scanning electron microscope, transmission electron microscope, Fourier transform infrared spectroscopy, ultraviolet visible spectroscopy, energy dispersive spectroscopy, cyclic voltammetry, electrochemical impedance spectroscopy, and linear sweep voltammetry were used to characterize the properties of the composite. poly(L-Proline) nanoparticles were found to significantly enhance the conductivity and sensing performance of the composite. Under optimal conditions, the composite-modified electrode exhibited a wide linear range from 0.05 to 25 μM for indole-3-acetic acid and from 0.2 to 60 μM for salicylic acid with detection limits of 0.007 μM and 0.1 μM (S/N = 3), respectively. In addition, the proposed sensor was also applied to simultaneously test indole-3-acetic acid and salicylic acid in real leaf samples with satisfactory recovery.

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Chemical pre-reduction and electro-reduction guided preparation of a porous graphene bionanocomposite for indole-3-acetic acid detection

Abstract: A porous graphene (PG) bionanocomposite of PG, gold nanoparticles (AuNPs) and anti-indole-3-acetic acid (anti-IAA) antibody for sensitive and label-free amperometric immunoassay of IAA was reported.

Cited by 34 publications

References 25 publications

Organic–inorganic hybrid phosphite-participating S-shaped penta-Ce^III-incorporated tellurotungstate as an electrochemical enzymatic hydrogen peroxide sensor for β-d-glucose detection

Organic–inorganic hybrid phosphite-participating S-shaped penta-Ce^III-incorporated tellurotungstate as an electrochemical enzymatic hydrogen peroxide sensor for β-d-glucose detection

Nanosensor Applications in Plant Science

Simultaneous Electrochemical Sensing of Indole-3-Acetic Acid and Salicylic Acid on Poly(L-Proline) Nanoparticles–Carbon Dots–Multiwalled Carbon Nanotubes Composite-Modified Electrode

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Chemical pre-reduction and electro-reduction guided preparation of a porous graphene bionanocomposite for indole-3-acetic acid detection

Abstract: A porous graphene (PG) bionanocomposite of PG, gold nanoparticles (AuNPs) and anti-indole-3-acetic acid (anti-IAA) antibody for sensitive and label-free amperometric immunoassay of IAA was reported.

Cited by 34 publications

References 25 publications

Organic–inorganic hybrid phosphite-participating S-shaped penta-CeIII-incorporated tellurotungstate as an electrochemical enzymatic hydrogen peroxide sensor for β-d-glucose detection

Organic–inorganic hybrid phosphite-participating S-shaped penta-CeIII-incorporated tellurotungstate as an electrochemical enzymatic hydrogen peroxide sensor for β-d-glucose detection

Nanosensor Applications in Plant Science

Simultaneous Electrochemical Sensing of Indole-3-Acetic Acid and Salicylic Acid on Poly(L-Proline) Nanoparticles–Carbon Dots–Multiwalled Carbon Nanotubes Composite-Modified Electrode

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Organic–inorganic hybrid phosphite-participating S-shaped penta-Ce^III-incorporated tellurotungstate as an electrochemical enzymatic hydrogen peroxide sensor for β-d-glucose detection

Organic–inorganic hybrid phosphite-participating S-shaped penta-Ce^III-incorporated tellurotungstate as an electrochemical enzymatic hydrogen peroxide sensor for β-d-glucose detection