Template-free fabrication of vertically-aligned polymer nanowire array on the flat-end tip for quantifying the single living cancer cells and nanosurface interaction

Wang, Biran; Wang, Liming; Li, Xi; Liu, Yuchen; Hedrick, Erik; Safe, Stephen; Qiu, Jingjing; Lu, Guohui; Wang, Shiren

doi:10.1016/j.mfglet.2018.03.004

Cited by 4 publications

(2 citation statements)

References 26 publications

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“…Furthermore, natural CPs have low conductivity and are often semiconductive. Therefore, it is imperative to improve their conductivity for electrochemical sensor purposes [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Design and Synthesis of Conducting Polymer Bio-Based Polyurethane Produced from Palm Kernel Oil

Munir¹,

Badri

Heng

et al. 2022

International Journal of Polymer Science

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Polyurethane (PU) is a unique polymer that has versatile processing methods and mechanical properties upon the inclusion of selected additives. In this study, a freestanding bio-based polyurethane film the screen-printed electrode (SPE) was prepared by the solution casting technique, using acetone as solvent. It was a one-pot synthesis between major reactants, namely, palm kernel oil-based polyol and 4,4-methylene diisocyanate. The PU has strong adhesion on the SPE surface. The synthesized bio-based polyurethane was characterized using thermogravimetry analysis, differential scanning calorimetry, Fourier-transform infrared spectroscopy (FTIR), surface area analysis by field emission scanning electron microscope, and cyclic voltammetry. Cyclic voltammetry was employed to study electrocatalytic properties of SPE-polyurethane towards oxidation of PU. Remarkably, SPE-PU exhibited improved anodic peak current as compared to SPE itself using the differential pulse voltammetry method. Furthermore, the formation of urethane linkages (-NHC(O) backbone) after polymerization was analyzed using FTIR and confirmed by the absence of peak at 2241 cm-1 attributed to the sp-hydridized carbons atoms of C≡C bonds. The glass transition temperature of the polyurethane was detected at 78.1°C.

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“…Furthermore, natural CPs have low conductivity and are often semiconductive. Therefore, it is imperative to improve their conductivity for electrochemical sensor purposes [2][3][4].…”

Section: Introductionmentioning

confidence: 99%

Design and Synthesis of Conducting Polymer Bio-Based Polyurethane Produced from Palm Kernel Oil

Munir¹,

Badri

Heng

et al. 2022

International Journal of Polymer Science

View full text Add to dashboard Cite

show abstract

“…The impedimetric mode measures the targeted analyte through the output of an electrical impedance signal that is proportional to the analyte activity [ 9 , 24 ]; whereas in the voltametric mode, data about an analyte are obtained by measuring the current while applying a working electrode potential. The electrochemical reaction on the electrode surface and the electrode/electrolyte interface layer produces the final current [ 25 ]. The voltametric strategies include linear sweep voltammetry (LSV), cyclic voltammetry (CV), differential pulse voltammetry (DPV), and square wave voltammetry (SWV).…”

Section: Introductionmentioning

confidence: 99%

A Review on Impedimetric and Voltammetric Analysis Based on Polypyrrole Conducting Polymers for Electrochemical Sensing Applications

et al. 2021

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Conducting polymers have been widely used in electrochemical sensors as receptors of the sensing signal’s analytes and transducers. Polypyrrole (PPy) conducting polymers are highlighted due to their good electrical conductive properties, ease in preparation, and flexibility of surface characteristics. The objective of this review paper is to discuss the theoretical background of the two main types of electrochemical detection: impedimetric and voltammetric analysis. It also reviews the application and results obtained from these two electrochemical detections when utilizing PPy as a based sensing material in electrochemical sensor. Finally, related aspects in electrochemical sensor construction using PPy will also be discussed. It is anticipated that this review will provide researchers, especially those without an electrochemical analysis background, with an easy-to-understand summary of the concepts and technologies used in electrochemical sensor research, particularly those interested in utilizing PPy as a based sensing material.

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Composite Material–Based Conducting Polymers for Electrochemical Sensor Applications: a Mini Review

et al. 2020

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Template-free fabrication of vertically-aligned polymer nanowire array on the flat-end tip for quantifying the single living cancer cells and nanosurface interaction

Cited by 4 publications

References 26 publications

Design and Synthesis of Conducting Polymer Bio-Based Polyurethane Produced from Palm Kernel Oil

Design and Synthesis of Conducting Polymer Bio-Based Polyurethane Produced from Palm Kernel Oil

A Review on Impedimetric and Voltammetric Analysis Based on Polypyrrole Conducting Polymers for Electrochemical Sensing Applications

Composite Material–Based Conducting Polymers for Electrochemical Sensor Applications: a Mini Review

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