Recent advances in electrochemical sensors based on molecularly imprinted polymers and nanomaterials for detection of ascorbic acid, dopamine, and uric acid: A review

Geleta, Girma Salale

doi:10.1016/j.sbsr.2023.100610

Cited by 12 publications

(3 citation statements)

References 100 publications

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“…Nano-priming has a pivotal role in sustainable agriculture [ 1 , 2 , 3 ], since it is a pillar in ameliorating the indicators of plant well-being, improving their germination rate and seedling and plant growth [ 4 ], and alleviating abiotic climate and contamination as well as biotic stresses [ 5 ]. Besides the longtime recognized properties of nanomaterials in the field of sensoristics as carbon/quantum dots [ 6 , 7 , 8 , 9 , 10 , 11 , 12 , 13 , 14 , 15 , 16 , 17 , 18 , 19 ], as oxide or metal nanoparticles [ 20 , 21 , 22 , 23 , 24 , 25 , 26 , 27 , 28 , 29 , 30 , 31 , 32 , 33 , 34 ], in electronic devices [ 35 , 36 , 37 , 38 , 39 , 40 , 41 , 42 , 43 , 44 , 45 , 46 , 47 , 48 , 49 ], as well as in antimicrobic treatments [ 50 , 51 , 52 , 53 , 54 …”

Section: Introductionmentioning

confidence: 99%

“…Nano-priming has a pivotal role in sustainable agriculture [1][2][3], since it is a pillar in ameliorating the indicators of plant well-being, improving their germination rate and seedling and plant growth [4], and alleviating abiotic climate and contamination as well as biotic stresses [5]. Besides the longtime recognized properties of nanomaterials in the field of sensoristics as carbon/quantum dots [6][7][8][9][10][11][12][13][14][15][16][17][18][19], as oxide or metal nanoparticles [20][21][22][23][24][25][26][27][28][29][30][31][32][33][34], in electronic devices [35][36][37][38][39][40][41][42][43][44][45][46][47][48]…”

Section: Introductionmentioning

confidence: 99%

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Inulin-Coated ZnO Nanoparticles: A Correlation between Preparation and Properties for Biostimulation Purposes

Gontrani,

Bauer,

Casoli

et al. 2024

IJMS

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Within the framework of plant biostimulation, a pivotal role is played by the achievement of low-cost, easily prepared nanoparticles for priming purposes. Therefore, in this report, two different synthetic strategies are described to engineer zinc oxide nanoparticles with an inulin coating. In both protocols, i.e., two-step and gel-like one-pot protocols, nanoparticles with a highly pure ZnO kernel are obtained when the reaction is carried out at T ≥ 40 °C, as ascertained by XRD and ATR/FTIR studies. However, a uniformly dispersed, highly homogeneous coating is achieved primarily when different temperatures, i.e., 60 °C and 40 °C, are employed in the two phases of the step-wise synthesis. In addition, a different binding mechanism, i.e., complexation, occurs in this case. When the gel-like process is employed, a high degree of coverage by the fructan is attained, leading to micrometric coated aggregates of nanometric particles, as revealed by SEM investigations. All NPs from the two-step synthesis feature electronic bandgaps in the 3.25–3.30 eV range in line with previous studies, whereas the extensive coating causes a remarkable 0.4 eV decrease in the bandgap. Overall, the global analysis of the investigations indicates that the samples synthesized at 60 °C and 40 °C are the best suited for biostimulation. Proof-of-principle assays upon Vicia faba seed priming with Zn5 and Zn5@inu indicated an effective growth stimulation of seedlings at doses of 100 mgKg−1, with concomitant Zn accumulation in the leaves.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Inulin-Coated ZnO Nanoparticles: A Correlation between Preparation and Properties for Biostimulation Purposes

Gontrani,

Bauer,

Casoli

et al. 2024

IJMS

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“…To break this deadlock, more and more studies have been carried out to modify electrodes with suitable electrochemically active materials, including metal nanoparticles, carbon materials, and polymers, for AA detection [ 11 , 12 , 13 , 14 ]. Over the past few decades, the rapid development of nanomaterials has made a major breakthrough in terms of the activity of material-based electrochemical sensors [ 1 , 15 , 16 ], but their sensitivity and stability still need to be improved. Therefore, the further development of innovative electrode modifiers with high specific surface area, multiple active sites, and ultra-high stability is crucial for the detection of AA with high sensitivity.…”

Section: Introductionmentioning

confidence: 99%

Detection of Ascorbic Acid by Two-Dimensional Conductive Metal-Organic Framework-Based Electrochemical Sensors

Wang,

Li,

Wang

et al. 2024

Molecules

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The realization of efficient and accurate detection of biomolecules has become a key scientific issue in the field of life sciences. With the rapid development of nanotechnology, electrochemical sensors constructed from the superior physical and chemical properties of nanomaterials show faster and more accurate detection. Among nanomaterials, two-dimensional conductive MOF (2D cMOF) is considered to be a star material in electrochemical sensors due to its remarkable conductivity, high porosity, and stability. In this paper, a Cu3(HHTP)2/SPE electrochemical sensor for the detection of ascorbic acid (AA) was constructed by modifying 2D cMOF (Cu3(HHTP)2) on the surface of the screen-printed electrode (SPE). The sensor exhibited excellent catalytic activity in the detection of AA, with a lower detection limit of 2.4 μmol/L (S/N = 3) and a wide linear range of 25–1645 μmol/L. This high catalytic activity can be attributed to the abundant catalytic sites in Cu3(HHTP)2 and the rapid electron transfer between Cu+ and Cu2+, which accelerates the oxidation of AA. This work lays a foundation for the subsequent development of MOFs with special electrochemical catalytic properties and the integration of 2D cMOF into intelligent electrical analysis devices.

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Carbon quantum dots composite for enhanced selective detection of dopamine with organic electrochemical transistors

Gamboa,

el Attar,

Thuau

et al. 2024

Microchim Acta

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A compact organic electrochemical transistors (OECT) sensor enriched with carbon quantum dots (CQDs) was developed to enhance the transconductance of an electropolymerized poly(3,4-ethylenedioxythiophene) (PEDOT) film, enabling the precise and selective detection of dopamine (DA). Accurate monitoring of DA levels is critical for diagnosing and managing related conditions. Incorporating CQDs, we have achieved a remarkable up to threefold increase in current at the DA detection peak in differential pulse voltammetry. This enhancement showcases superior selectivity even in the presence of high concentrations of interferents like uric acid and ascorbic acid. This material significantly boosts the sensitivity of OECTs for DA detection, delivering an amperometric response with a detection limit of 55 nM and a broader detection range (1 − 500 µM). Our results underscore the potential of low-dimensional carbonaceous materials in creating cost-effective, high-sensitivity devices for detecting DA and other biomolecules. This breakthrough sets the stage for the development of next-generation biosensors for point-of-care diagnostics. Graphical Abstract

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Recent advances in electrochemical sensors based on molecularly imprinted polymers and nanomaterials for detection of ascorbic acid, dopamine, and uric acid: A review

Cited by 12 publications

References 100 publications

Inulin-Coated ZnO Nanoparticles: A Correlation between Preparation and Properties for Biostimulation Purposes

Inulin-Coated ZnO Nanoparticles: A Correlation between Preparation and Properties for Biostimulation Purposes

Detection of Ascorbic Acid by Two-Dimensional Conductive Metal-Organic Framework-Based Electrochemical Sensors

Carbon quantum dots composite for enhanced selective detection of dopamine with organic electrochemical transistors

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