Multiwalled carbon nanotubes dispersed in carminic acid for the development of catalase based biosensor for selective amperometric determination of H2O2 and iodate

Periasamy, Arun Prakash; Ho, Ya-Hui; Chen, Shen‐Ming

doi:10.1016/j.bios.2011.08.010

Cited by 71 publications

(21 citation statements)

References 44 publications

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“…There is also a clear signal at wavenumber 900 cm −1 due to bending vibrations of OH groups from carboxyl group. All of these data are in agreement with the literature [6,15,19]. …”

Section: Resultssupporting

confidence: 93%

“…Carmine has also many biological applications: it can prevent coronary artery disease [11], it plays a role in treating Alzheimer’s disease [12], it exhibits cancer chemopreventive activity, [13] and is used in drug delivery products [14]. There exist a few publications concerning the adsorption of carmine or carminic acid, and they relate exclusively to inorganic adsorbents: TiO 2 [15], glass beads [16], Amberlite XAD-16 resin [9], Ag nanoparticles [17], methacrylic acid (MAA) and 4-vinylpyridine [18], and multiwalled carbon nanotubes [19]. Carmine or carminic acid have also been combined with SiO 2 sol-gel glass [8], hydrotalcite [20], and amorphous SiO 2 [21].…”

Section: Introductionmentioning

confidence: 99%

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Adsorption of C.I. Natural Red 4 onto Spongin Skeleton of Marine Demosponge

et al. 2014

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C.I. Natural Red 4 dye, also known as carmine or cochineal, was adsorbed onto the surface of spongin-based fibrous skeleton of Hippospongia communis marine demosponge for the first time. The influence of the initial concentration of dye, the contact time, and the pH of the solution on the adsorption process was investigated. The results presented here confirm the effectiveness of the proposed method for developing a novel dye/biopolymer hybrid material. The kinetics of the adsorption of carmine onto a marine sponge were also determined. The experimental data correspond directly to a pseudo-second-order model for adsorption kinetics (r2 = 0.979–0.999). The hybrid product was subjected to various types of analysis (FT-IR, Raman, 13C CP/MAS NMR, XPS) to investigate the nature of the interactions between the spongin (adsorbent) and the dye (the adsorbate). The dominant interactions between the dye and spongin were found to be hydrogen bonds and electrostatic effects. Combining the dye with a spongin support resulted with a novel hybrid material that is potentially attractive for bioactive applications and drug delivery systems.

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“…There is also a clear signal at wavenumber 900 cm −1 due to bending vibrations of OH groups from carboxyl group. All of these data are in agreement with the literature [6,15,19]. …”

Section: Resultssupporting

confidence: 93%

Section: Introductionmentioning

confidence: 99%

Adsorption of C.I. Natural Red 4 onto Spongin Skeleton of Marine Demosponge

et al. 2014

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“…The maximum of anodic current occurred at pH 7.0. This value was consistent with that reported for catalase enzyme [60, 76–78]. Based on these results, pH 7.0 for PBS buffer solution was used as the optimal pH for further experiments.…”

Section: Resultssupporting

confidence: 90%

Catalase-Based Modified Graphite Electrode for Hydrogen Peroxide Detection in Different Beverages

Fusco

Bollella

Mazzei

et al. 2016

Journal of Analytical Methods in Chemistry

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A catalase-based (NAF/MWCNTs) nanocomposite film modified glassy carbon electrode for hydrogen peroxide (H2O2) detection was developed. The developed biosensor was characterized in terms of its bioelectrochemical properties. Cyclic voltammetry (CV) technique was employed to study the redox features of the enzyme in the absence and in the presence of nanomaterials dispersed in Nafion® polymeric solution. The electron transfer coefficient, α, and the electron transfer rate constant, k s, were found to be 0.42 and 1.71 s−1, at pH 7.0, respectively. Subsequently, the same modification steps were applied to mesoporous graphite screen-printed electrodes. Also, these electrodes were characterized in terms of their main electrochemical and kinetic parameters. The biosensor performances improved considerably after modification with nanomaterials. Moreover, the association of Nafion with carbon nanotubes retained the biological activity of the redox protein. The enzyme electrode response was linear in the range 2.5–1150 μmol L−1, with LOD of 0.83 μmol L−1. From the experimental data, we can assess the possibility of using the modified biosensor as a useful tool for H2O2 determination in packaged beverages.

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“…The advantages of electrochemical methods, such as sensitivity, selectivity, facile, high performance, low cost, high accuracy and precision, aroused the attention of many researchers. 1,5,35,[41][42][43][44][45][46][47][48][49][50][51] Other methods such as immunoassay kits and chromatographic methods require sample preparation that consumes a long time, are expensive and necessitate the use environmentally hazardous solvents. 1,5,35 In the present work, we applied a carbon nanotubes-modified graphite paste electrode for determination of HCy using dopamine (DP) as an electrocatalytic mediator.…”

Section: Introductionmentioning

confidence: 99%

Electrocatalytic oxidation and determination of homocysteine at carbon nanotubes modified paste electrode using dopamine as a mediator

Mohammadzadeh¹,

Fouladgar²

2013

JSCS

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A carbon paste electrode modified with multiwall carbon nanotubes (MWCNTPE) was prepared to study the electrocatalytic activity of dopamine (DP) in the presence of homocysteine (HCy) and it was used for the determination of HCy. The diffusion coefficient of HCy (D = 6.79×10 -6 cm 2 s -1 ), and the kinetic parameters of its oxidation, such as electron transfer coefficient (α = 0.46), and rate constant (k h = 7.44×10 2 dm 3 mol -1 s -1 ) were also determined using electrochemical approaches. Under the optimum pH of 5.0, the peak current of oxidation of HCy at MWCNTPE in the presence of DP occurred at a potential of about 530 mV and the results showed that the oxidation peak current of HCy at the modified carbon nanotubes electrode was higher than on the unmodified electrode. The peak current of differential pulse voltammograms of HCy solutions increased linearly in the range 3.0-600 μM HCy with a detection limit of 2.08 µM HCy. This method was also examined for determination of HCy in physiological serum and urine samples.

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Multiwalled carbon nanotubes dispersed in carminic acid for the development of catalase based biosensor for selective amperometric determination of H2O2 and iodate

Cited by 71 publications

References 44 publications

Adsorption of C.I. Natural Red 4 onto Spongin Skeleton of Marine Demosponge

Adsorption of C.I. Natural Red 4 onto Spongin Skeleton of Marine Demosponge

Catalase-Based Modified Graphite Electrode for Hydrogen Peroxide Detection in Different Beverages

Electrocatalytic oxidation and determination of homocysteine at carbon nanotubes modified paste electrode using dopamine as a mediator

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