Electrochemical Molecular Imprinted Sensors Based on Electrospun Nanofiber and Determination of Ascorbic Acid

Zhai, Yunyun; Wang, Dandan; Liu, Haiqing; Zeng, Yanbo; Yin, Zheng‐Zhi; Li, Lei

doi:10.2116/analsci.31.793

Cited by 22 publications

(8 citation statements)

References 28 publications

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“…The INS was fabricated by the combining of MIT and electrospinning, pioneered by Ye et al [37], and recognized as an efficient technique allowing the creation of imprinting nanofibers for the affinity separation materials [38,39,40]. Similar to [34], the nanofibers were cross-linked by using HMDI.…”

Section: Resultsmentioning

confidence: 99%

Molecularly Imprinted Nanofiber Film for Sensitive Sensing 2,4,6-Tribromophenol

Huang

et al. 2016

Polymers

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Abstract:The determination of brominated flame retardants is of great importance, but remains a challenge. Particularly, universal and facile approaches are limited. Here we report a new general approach, combining molecular imprinting and electrospinning, for the efficient and facile imprinting sensor of 2,4,6-tribromophenol (TBP), which was used as a "novel" brominated flame retardant. With TBP as the template molecular, β-cyclodextrin (β-CD) as the functional monomer, and poly-vinylbutyral (PVB) as the electro-spinning matrix, the nanofiber film was deposited on the glassy carbon electrode (GCE) via electrospinning technique directly. The β-CD-PVB/GCE sensor system exhibited excellent TBP sensing performances, such as a low detection limit (6.29ˆ10´1 0 mol¨L´1) at room temperature, selective recognition to TBP/phenol/4-methyl-phenol, and good regeneration performance. The approach of fabricating a molecular imprinting nanofiber sensor may shed new light in the detection of other phenolic pollutants.

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Section: Resultsmentioning

confidence: 99%

Molecularly Imprinted Nanofiber Film for Sensitive Sensing 2,4,6-Tribromophenol

Huang

et al. 2016

Polymers

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“…An electrochemical biosensor for three adenosine triphosphate (ATP) metabolites, namely uric acid, xanthine and hypoxanthine, was based on a composite of NH 2 -MWCNT/black phosphorene/AgNPs, dispersed in carboxymethyl cellulose [102]. Another electrochemical molecularly-imprinted sensor was based on a nanofibrous membrane prepared by the electrospinning technique from cellulose acetate, MWCNTs and polyvinylpyrrolidone, and was used for determining ascorbic acid [151]. An oxygen biosensor powered by a biofuel cell containing MWNCTs, a nanocellulose/polypyrrole composite, laccase and fructose dehydrogenase, was mentioned above [84].…”

Section: Biomedical Application Of Nanocellulose/cnt Compositesmentioning

confidence: 99%

Applications of Nanocellulose/Nanocarbon Composites: Focus on Biotechnology and Medicine

et al. 2020

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Nanocellulose/nanocarbon composites are newly emerging smart hybrid materials containing cellulose nanoparticles, such as nanofibrils and nanocrystals, and carbon nanoparticles, such as “classical” carbon allotropes (fullerenes, graphene, nanotubes and nanodiamonds), or other carbon nanostructures (carbon nanofibers, carbon quantum dots, activated carbon and carbon black). The nanocellulose component acts as a dispersing agent and homogeneously distributes the carbon nanoparticles in an aqueous environment. Nanocellulose/nanocarbon composites can be prepared with many advantageous properties, such as high mechanical strength, flexibility, stretchability, tunable thermal and electrical conductivity, tunable optical transparency, photodynamic and photothermal activity, nanoporous character and high adsorption capacity. They are therefore promising for a wide range of industrial applications, such as energy generation, storage and conversion, water purification, food packaging, construction of fire retardants and shape memory devices. They also hold great promise for biomedical applications, such as radical scavenging, photodynamic and photothermal therapy of tumors and microbial infections, drug delivery, biosensorics, isolation of various biomolecules, electrical stimulation of damaged tissues (e.g., cardiac, neural), neural and bone tissue engineering, engineering of blood vessels and advanced wound dressing, e.g., with antimicrobial and antitumor activity. However, the potential cytotoxicity and immunogenicity of the composites and their components must also be taken into account.

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“…Such materials can reach final optical and electrical properties highly suitable for technological applications [1][2][3][4][5][6][7][8][9][10][11][12][13]. In this context, the electrospinning technique has great potential since it allows the fabrication of polymeric micro-and nanofibers with controlled diameter and morphology [14][15][16][17][18]. The electrospinning method was first proposed by Formhals in 1956 [19], but only years later was rediscovered by Reneker and Doshi [20] and then widely employed [21].…”

Section: Introductionmentioning

confidence: 99%

“…Conjugated polymers are employed in several research and technological areas, especially in studies involving sensory platforms [15,17,[32][33][34][35][36][37][38], due to their fascinating optical, electrical, and electrochemical properties. Such properties allow their use in chemical sensing, converting physical and chemical information into qualitative and quantitative signals [39,40].…”

Section: Introductionmentioning

confidence: 99%

Hybrid composite material based on polythiophene derivative nanofibers modified with gold nanoparticles for optoelectronics applications

et al. 2016

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Conjugated polymers have been extensively applied as active materials in nanostructured platforms for optical and electrical devices. The incorporation of metal nanoparticles (NPs) into the polymer-based platform arises as a strategy to develop novel hybrid functional nanocomposites with enhanced electrical and optical properties. However, efficient and simple processing routes to produce such nanocomposites are still on demand. In this work, we present an effective route to obtain functional nanocomposites based on electrospun nanofibers coated with gold nanoparticles, displaying interesting optical and electrical properties. Polymethyl methacrylate (PMMA) electrospun nanofibers doped with poly(3hexyl thiophene-2,5-diyl) (P3HT) were obtained by the electrospinning technique, and displayed a strong red emission centered at 650 nm assigned to P3HT. Such nanofibers were deposited on to fluorine-doped tin oxide electrodes and with modified with gold nanoparticles (AuNPs) in order to produce hybrid composite materials. The performance of electrodes modified with PMMA/P3HT-AuNPs composite material was evaluated by impedance spectroscopy and revealed an enhancement of electron transfer kinetics, which indicates it as a potential platform for optical and electrochemical (bio)sensors.

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Electrochemical Molecular Imprinted Sensors Based on Electrospun Nanofiber and Determination of Ascorbic Acid

Cited by 22 publications

References 28 publications

Molecularly Imprinted Nanofiber Film for Sensitive Sensing 2,4,6-Tribromophenol

Molecularly Imprinted Nanofiber Film for Sensitive Sensing 2,4,6-Tribromophenol

Applications of Nanocellulose/Nanocarbon Composites: Focus on Biotechnology and Medicine

Hybrid composite material based on polythiophene derivative nanofibers modified with gold nanoparticles for optoelectronics applications

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