Photoelectrochemical investigation of methylene blue immobilised on zirconium phosphate modified carbon paste electrode in flow injection system

Dilgin, Yusuf; Dursun, Zekerya; Nişli, Gürel; Gorton, Lo

doi:10.1016/j.aca.2005.04.004

Cited by 34 publications

(15 citation statements)

References 29 publications

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“…As a kind of artificial layered materials firstly discovered by Clearfield and Stynes in 1964 [6], a-Zr(HPO 4 ) 2 ÁH 2 O (abbreviated as a-ZrP) owns several characteristics such as larger surface charge density and higher aspect ratio and ion-exchange capacity [7][8][9][10] except for commonalities of layered nanomaterials. Hence, some related articles about preparation of the intercalation compounds of a-ZrP/MB (methylene blue) [11], a-ZrP/porphyrin [12], a-ZrP/hemoglobin [13][14][15], and a-ZrP/insulin [16] were reported. In addition, a-ZrP has been modified to obtain various hybrid materials with diverse applications by replacing hydroxyl groups located on the surface of a-ZrP with organic functional groups [17,18].…”

Section: Introductionmentioning

confidence: 99%

A laminar nanocomposite constructed by self-assembly of exfoliated α-ZrP nanosheets and manganese porphyrin for use in the electrocatalytic oxidation of nitrite

Pan

Zhang

et al. 2015

J Mater Sci

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Laminar nanocomposite of a-ZrP/MnTMPyP, [5, 10, 15, 20-tetrakis (N-methylpyridinium-4-yl) porphyrinato manganese (III)], was obtained through the selfassembly of a-ZrP nanosheets and manganese porphyrin molecules, namely the exfoliation/restacking route. The final products were characterized by several analytic techniques such as XRD, IR, UV-Vis, and SEM. Meanwhile, the surface charge change of layered zirconium phosphate during the restacking process was monitored by a Zetasizer Nano instrument. The zeta potential value of a-ZrP colloidal dispersion is -40.1 mV, indicating that the colloidal dispersion was stable and well dispersed. The cyclic voltammetry measurements of a-ZrP/MnTMPyP film-modified glass carbon electrode displayed a pair of well-defined oxidation/reduction peaks with redox potentials at -0.256 and -0.197 V with an increase in the peak current compared to MnTMPyP aqueous solution. Furthermore, a-ZrP/MnTMPyP hybrid thin film exhibited excellent electrocatalytic activities toward oxidation of nitrite. The oxidation peak current increased linearly with the square root of scan rate, suggesting that the electrocatalytic process was controlled by nitrite diffusion. Finally, a detection limit of 5.3 9 10 -5 M was estimated at a signal-to-noise ratio of 3.0 with a concentration range of 1.5 9 10 -4 to 4.76 9 10 -3 M.

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Section: Introductionmentioning

confidence: 99%

A laminar nanocomposite constructed by self-assembly of exfoliated α-ZrP nanosheets and manganese porphyrin for use in the electrocatalytic oxidation of nitrite

Pan

Zhang

et al. 2015

J Mater Sci

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“…Based on this reaction, electrodes modified by methylene blue [54,55] or toluidine blue [56] were used to detect ascorbic acid. The overall photoelectrochemical reaction for the detection of ascorbic acid was expressed as follows:…”

Section: Organic Materials-based Photoelectrochemical Sensorsmentioning

confidence: 99%

Progress in the studies of photoelectrochemical sensors

Wang

Chen

2009

Sci. China Ser. B-Chem.

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Photoelectrochemical sensor is a new kind of developing analytical device based on the photoelectrochemical properties of materials. Because of its remarkable sensitivity, inherent miniaturization, portability and easy integration, photoelectrochemical analysis is becoming a promising analytical technique. This review focuses on the basic principles, classification, characteristics, and research progress of photoelectrochemical sensors with 94 references. The prospect of the development of photoelectrochemical sensors is also evaluated and discussed.photoelectrochemistry, sensor, review

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“…This system has shown high selectivity and sensitivity for ascorbic acid, present in the electrolytic solution. 24,26,27 Ascorbic acid (AA), which is also known as vitamin C, is one of the most popular nutrients being thoroughly found in fruits and vegetables. It can also be present in enriched industrialized products, such as fruit juices, tablets, candies and morning cereals.…”

Section: -27mentioning

confidence: 99%

“…An important class of organic compounds with interesting electrochemical properties, redox behaviour and possibility of immobilization by means of an ion exchange process in these host matrices is constituted by phenothiazines like methylene blue (MB). [24][25][26][27] Methylene blue dye is a cationic molecule discovered by Heinrich Caro in 1876. Cytological dye and redox indicator.…”

Section: Introductionmentioning

confidence: 99%

Methylene blue immobilized on cellulose acetate with titanium dioxide: an application as sensor for ascorbic acid

Hoffmann¹,

Dias²,

Rodrigues³

et al. 2008

J. Braz. Chem. Soc.

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Neste trabalho, o corante azul de metileno foi imobilizado na superfície do acetato de celulose modificado com dióxido de titânio produzindo um material híbrido sólido denominado de CA-TiO 2 MB. O experimento produziu uma quantidade de 1,8 mmol g -1 de TiO 2 incorporado no acetato de celulose e uma quantidade de 0,170 0,005 mmol g -1 de azul de metileno adsorvido na superfície do CA-TiO 2 . Um eletrodo de pasta de carbono desse material foi usado para estudar a oxidação eletrocatalítica do ácido ascórbico pelas técnicas de voltametria cíclica e cronoamperometria. O pH da solução não afetou o potencial de pico de anódico nem a corrente de pico anódico ao variar de 3,0 a 7,0. A oxidação do analito ocorreu em 75 mV versus ECS em solução de KCl 1,0 mol L -1 e pH 7,0. A intensidade da corrente de pico anódico variou com a concentração de ácido ascórbico na faixa de 5,0 10 -4 mol L -1 to 4,5 10 -3 mol L . A resposta do eletrodo foi muito rápida, com um tempo decorrido de 1,0 s, mostrando potencial para ser utilizado como um sensor eletroquímico para a determinação de ácido ascórbico em produtos comerciais.In this work, methylene blue dye was immobilized on the surface of cellulose acetate modified with titanium dioxide, producing a solid hybrid material designated as CA-TiO 2 MB. The experiment yielded an amount of 1.8 mmol g -1 of TiO 2 incorporated in the cellulose acetate and an amount of 0.170 0.005 mmol g -1 of methylene blue adsorbed onto CA-TiO 2 surface. A carbon paste electrode of this material was used to study the electrocatalytic oxidation of ascorbic acid by cyclic voltammetric and chronoamperometric techniques. The pH of the solution had no effect on the anodic peak potential and anodic peak current when ranging from 3.0 to 7.0. The oxidation of the analyte occurred at 75 mV versus SCE in 1.0 mol L -1 KCl solution and pH 7.0. The intensity of the anodic peak current varied with the concentration of ascorbic acid from 5.0 10 -4 mol L -1 to 4.5 10 -3 mol L -1 and a linear correlation was observed, with a detection limit of 15 µmol L -1 , quantification limit of 50 µmol L -1 and a sensitivity of 7.1 µA L mol -1. The electrode response was very fast, with an elapsed time of about 1.0 s, showing the potentiality to be utilized as an electrochemical sensor for determination of ascorbic acid in commercial samples.Keywords: methylene blue, modified cellulose acetate, titanium dioxide, carbon paste electrode, ascorbic acid IntroductionThe development of sensors that allow the measurements of some analyte, which presents analytical or environmental interest, has continued to be of major concern during the past two decades. They use as electrochemical mediator species makes possible the attempt to exert more control over the chemical nature of an electrode and to attain the selectivity of electrochemical measurements. This development has helped the measurement of important analytes in medicine, pharmacy, manufactured food and other areas. The most common material that is usually employed as an inert support for th...

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Photoelectrochemical investigation of methylene blue immobilised on zirconium phosphate modified carbon paste electrode in flow injection system

Cited by 34 publications

References 29 publications

A laminar nanocomposite constructed by self-assembly of exfoliated α-ZrP nanosheets and manganese porphyrin for use in the electrocatalytic oxidation of nitrite

A laminar nanocomposite constructed by self-assembly of exfoliated α-ZrP nanosheets and manganese porphyrin for use in the electrocatalytic oxidation of nitrite

Progress in the studies of photoelectrochemical sensors

Methylene blue immobilized on cellulose acetate with titanium dioxide: an application as sensor for ascorbic acid

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