Microwave synthesis of copper catalysts onto reduced graphene oxide sheets for non-enzymatic glucose oxidation

Hsieh, Chien‐Te; Lin, Wei-Hsun; Tzou, Dong-Ying; Chen, Pei-Qi; Juang, Ruey‐Shin

doi:10.1016/j.jtice.2016.12.038

Cited by 18 publications

(6 citation statements)

References 36 publications

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Section: Biomedical Applications Of Cnmsmentioning

confidence: 99%

“…The surface contains a delocalized π-electron system that allows for fluid electron motion. The single layer of narrow, lengthened strips known as graphene nanoribbons (GNRs) has a high surface area and unique thermal, mechanical, electrical, and optical properties. − The 30 nm (diameter) thick graphene sheets that make up graphene nanoflakes (GNFs) have pristine aromatic systems and COOH group terminated edges. − The structural and dynamic properties of GNRs are influenced by the size and level of oxidation. The surface’s water dipole orientation is unaffected by the rough and curved GNR structure …”

Section: Biomedical Applications Of Cnmsmentioning

confidence: 99%

See 1 more Smart Citation

Carbon Nanomaterials for Biomedical Applications: Progress and Outlook

Malode,

Pandiaraj,

Alodhayb

et al. 2024

ACS Appl. Bio Mater.

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Recent developments in nanoscale materials have found extensive use in various fields, especially in the biomedical industry. Several substantial obstacles must be overcome, particularly those related to nanostructured materials in biomedicine, before they can be used in therapeutic applications. Significant concerns in biomedicine include biological processes, adaptability, toxic effects, and nano-biointerfacial properties. Biomedical researchers have difficulty choosing suitable materials for drug carriers, cancer treatment, and antiviral uses. Carbon nanomaterials are among the various nanoparticle forms that are continually receiving interest for biomedical applications. They are suitable materials owing to their distinctive physical and chemical properties, such as electrical, high-temperature, mechanical, and optical diversification. An individualized, controlled, dependable, low-carcinogenic, target-specific drug delivery system can diagnose and treat infections in biomedical applications. The variety of carbon materials at the nanoscale is remarkable. Allotropes and other forms of the same element, carbon, are represented in nanoscale dimensions. These show promise for a wide range of applications. Carbon nanostructured materials with exceptional mechanical, electrical, and thermal properties include graphene and carbon nanotubes. They can potentially revolutionize industries, including electronics, energy, and medicine. Ongoing investigation and expansion efforts continue to unlock possibilities for these materials, making them a key player in shaping the future of advanced technology. Carbon nanostructured materials explore the potential positive effects of reducing the greenhouse effect. The current state of nanostructured materials in the biomedical sector is covered in this review, along with their synthesis techniques and potential uses.

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Section: Biomedical Applications Of Cnmsmentioning

confidence: 99%

Section: Biomedical Applications Of Cnmsmentioning

confidence: 99%

Carbon Nanomaterials for Biomedical Applications: Progress and Outlook

Malode,

Pandiaraj,

Alodhayb

et al. 2024

ACS Appl. Bio Mater.

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“…Nickel and copper are widely used in catalytic oxidation of glucose under alkaline conditions [ 108 , 109 ]. Immersing these metal (Me) electrodes in an alkaline solution produces Me (OH) 2 species, while additional oxidation leads in the creation of MeOOH species.…”

Section: Recent Developments In Cnt-based Nonenzymatic Glucose Sensorsmentioning

confidence: 99%

Carbon nanotubes: a powerful bridge for conductivity and flexibility in electrochemical glucose sensors

Yuwen,

Shu,

Zou

et al. 2023

J Nanobiotechnol

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The utilization of nanomaterials in the biosensor field has garnered substantial attention in recent years. Initially, the emphasis was on enhancing the sensor current rather than material interactions. However, carbon nanotubes (CNTs) have gained prominence in glucose sensors due to their high aspect ratio, remarkable chemical stability, and notable optical and electronic attributes. The diverse nanostructures and metal surface designs of CNTs, coupled with their exceptional physical and chemical properties, have led to diverse applications in electrochemical glucose sensor research. Substantial progress has been achieved, particularly in constructing flexible interfaces based on CNTs. This review focuses on CNT-based sensor design, manufacturing advancements, material synergy effects, and minimally invasive/noninvasive glucose monitoring devices. The review also discusses the trend toward simultaneous detection of multiple markers in glucose sensors and the pivotal role played by CNTs in this trend. Furthermore, the latest applications of CNTs in electrochemical glucose sensors are explored, accompanied by an overview of the current status, challenges, and future prospects of CNT-based sensors and their potential applications.

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“…Although, enzyme‐based GOR has advantages such as high sensitivity and low response time, low chemical stability, and complex synthesis are disadvantages of GOR. Therefore, nonenzymatic GOR has been investigated to prevent deficiencies arising from enzymatic GOR in literature . According to these literature studies, the glucose‐fed alkaline membrane fuel cells exhibit better activity than the proton conducting membrane fuel cells .…”

Section: Introductionmentioning

confidence: 99%

“…Therefore, nonenzymatic GOR has been investigated to prevent deficiencies arising from enzymatic GOR in literature. 21,24 According to these literature studies, the glucose-fed alkaline membrane fuel cells exhibit better activity than the proton conducting membrane fuel cells. 25 When the glucose is fed with an alkaline membrane, 24 electrons are produced for the complete oxidation of CO 2 given as follows:…”

Section: Introductionmentioning

confidence: 99%

Few‐layer graphene coated on indium tin oxide electrodes prepared by chemical vapor deposition and their enhanced glucose electrooxidation activity

2019

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At present, few‐layer graphene is deposited on copper (Cu) foil by chemical vapor deposition (CVD) method. Then, the few‐layer graphenes produced on the Cu foil are coated onto the indium tin oxide (ITO) electrode to investigate their glucose electrooxidation activities. Hexane and hydrogen flow rate and deposition time parameters with CVD method are examined on different Cu foils. These electrodes are characterized by scanning electron microscopy‐energy dispersive X‐ray analysis (SEM‐EDX), X‐ray photoelectron spectroscopy (XPS), and Raman spectroscopy. Furthermore, glucose electrooxidation is examined with cyclic voltammetry (CV), chronoamperometry (CA), and electrochemical impedance spectroscopy (EIS) measurements. One could note that the graphene network is clearly visible from SEM images. The deconvoluted XPS spectrum indicates that carbon appeared in the form of non‐oxygenated ring C atoms for few‐layer graphene. The few‐layer graphene structure is confirmed by Raman analysis. Few‐layer graphene/ITO produced at 5 sccm Hexane and 50 sccm hydrogen flow rate and 20 minutes deposition time (G7/ITO) reveals the best electrode activity. The specific activity of G7/ITO electrode is obtained as 6.58 mA cm−2. According to CV, CA, and EIS results, G7/ITO electrode has high electrocatalytic activity, stability, and resistance in comparison with other electrodes.

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Microwave synthesis of copper catalysts onto reduced graphene oxide sheets for non-enzymatic glucose oxidation

Cited by 18 publications

References 36 publications

Carbon Nanomaterials for Biomedical Applications: Progress and Outlook

Carbon Nanomaterials for Biomedical Applications: Progress and Outlook

Carbon nanotubes: a powerful bridge for conductivity and flexibility in electrochemical glucose sensors

Few‐layer graphene coated on indium tin oxide electrodes prepared by chemical vapor deposition and their enhanced glucose electrooxidation activity

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