A selective and sensitive sensor based on highly dispersed cobalt porphyrin-Co3O4-graphene oxide nanocomposites for the detection of methyl parathion

Liu, Fangmei; Du, Yikui; Cheng, Yan-mei; Yin, Wei; Hou, Changjun; Huo, Danqun; Chen, Can; Fa, Huanbao

doi:10.1007/s10008-015-3079-1

Cited by 33 publications

(8 citation statements)

References 47 publications

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“…The first fabricated a GCE modified with graphene functionalized with MnTMPy to detect the insecticide dimethoate at pH 3.0 in a B-R buffer solution by DPV, 239 and the second developed a sensor to determine herbicide methyl parathion (MP) using a CoT4CPP-Co 3 O 4 -GO composite material. 240 This sensor had good analytical performances, a wide linear range (4.0 × 10 −7 to 2.0 × 10 −5 M), LOD of 1.1× 10 −8 M, acceptable stability and repeatability, and good selectivity when some inorganic ions as well as other pesticides (omethoate and dipterex) were tested as interferences. Furthermore, quality recoveries were obtained using this system to quantify MP in both river and tap water.…”

Section: Chemical Reviewsmentioning

confidence: 90%

“…The electrochemical detection of some organophosphorous compounds largely used in agriculture with porphyrin-based materials was recently reported by the Chen and Fa groups independently. The first fabricated a GCE modified with graphene functionalized with MnTMPy to detect the insecticide dimethoate at pH 3.0 in a B-R buffer solution by DPV, and the second developed a sensor to determine herbicide methyl parathion (MP) using a CoT4CPP-Co 3 O 4 -GO composite material . This sensor had good analytical performances, a wide linear range (4.0 × 10 –7 to 2.0 × 10 –5 M), LOD of 1.1× 10 –8 M, acceptable stability and repeatability, and good selectivity when some inorganic ions as well as other pesticides (omethoate and dipterex) were tested as interferences.…”

Section: Porphyrin-based Chemical Sensors For Liquid Phase Analytesmentioning

confidence: 99%

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Porphyrinoids for Chemical Sensor Applications

et al. 2016

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Porphyrins and related macrocycles have been intensively exploited as sensing materials in chemical sensors, since in these devices they mimic most of their biological functions, such as reversible binding, catalytic activation, and optical changes. Such a magnificent bouquet of properties allows applying porphyrin derivatives to different transducers, ranging from nanogravimetric to optical devices, also enabling the realization of multifunctional chemical sensors, in which multiple transduction mechanisms are applied to the same sensing layer. Potential applications are further expanded through sensor arrays, where cross-selective sensing layers can be applied for the analysis of complex chemical matrices. The possibility of finely tuning the macrocycle properties by synthetic modification of the different components of the porphyrin ring, such as peripheral substituents, molecular skeleton, coordinated metal, allows creating a vast library of porphyrinoid-based sensing layers. From among these, one can select optimal arrays for a particular application. This feature is particularly suitable for sensor array applications, where cross-selective receptors are required. This Review briefly describes chemical sensor principles. The main part of the Review is divided into two sections, describing the porphyrin-based devices devoted to the detection of gaseous or liquid samples, according to the corresponding transduction mechanism. Although most devices are based on porphyrin derivatives, seminal examples of the application of corroles or other porphyrin analogues are evidenced in dedicated sections.

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Section: Chemical Reviewsmentioning

confidence: 90%

Section: Porphyrin-based Chemical Sensors For Liquid Phase Analytesmentioning

confidence: 99%

Porphyrinoids for Chemical Sensor Applications

et al. 2016

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“…The important sensor parameters, such as LOD and linear range were compared with previously reported modified electrodes and given as Table . According to the comparison table, various kinds of modified electrodes such us mesoporous carbon, carbon paste, metal nanoparticles, metal oxide, MWCNT, graphene oxide, MoS 2 and others used for the detection of MP . The analytical performance of the GRGO/[Co(bpy) 3 ] modified electrode is either superior or comparable to the previously reported electrodes.…”

Section: Resultsmentioning

confidence: 99%

Reduced Graphene Oxide Supported Cobalt Bipyridyl Complex for Sensitive Detection of Methyl Parathion in Fruits and Vegetables

et al. 2017

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Herein, we are described a green route to prepare reduced graphene oxide supported cobalt inorganic complex nanocomposite (GRGO/[Co(bpy)3]) (bpy=2,2′‐bipyridine) through facile and wet chemical approach. The formation of the nanocomposite was confirmed through suitable physical and chemical characterization techniques. The GRGO/[Co(bpy)3] nanocomposite was coated on the pretreated glassy carbon electrode (GCE). The GCE/GRGO/[Co(bpy)3] modified electrode has excellent electrocatalytic ability towards methyl parathion reduction, while the overpotential drops drastically to –0.18 V (vs. Ag/AgCl). Moreover, the effect of concentration, scan rate and electrolyte pH were detail studied. Besides, the linear response range was 0.05‐1700 μM and the detection limit was 0.0029 μM (S/N=3) and the sensitivity was 1.8197 μA μM−1 cm−2. Moreover, the fabricated electrode has high level of selectivity, which delivers satisfactory repeatability, reproducibility and stability. The sensing method was successfully demonstrated in real samples such as, tomato and apple samples.

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“…However, since the WHO classified it as "Extremely Hazardous", its sale and import has been prohibited in almost every country of the world. Liu et al [172] modified a GCE with a CoTCPPÀ Co 3 O 4 À GO nanocomposite for MeP detection. Briefly, nanoparticles were first used to modify graphene oxide (GO), and then the metalloporphyrin self-assembled on the GO sheets by π stacking.…”

Section: Herbicides and Insecticidesmentioning

confidence: 99%

Versatile Metalloporphyrin‐Based Electrochemical Sensing Applications: From Small Gasotransmitters to Macromolecules

2023

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At the beginning of his youthful sixth decade, this work is dedicated to Prof. Dr. Fabio Doctorovich. He is distinctive in organometallic chemistry. During his successful career, he has been studying the reactivity and application of metalloporphyrins. Metalloporphyrins are organometallic complexes that exhibit, through synthetic modifications, the ability to tune their optical and electrochemical properties and their selectivity towards a particular molecule or ion. For this reason, they are systems extremely useful as electrochemical sensors to detect and quantify a wide variety of analytes with high selectivity, even in real samples such as food, water, biological fluids, or pharmaceutical compounds. This review presents an up-to-date list of reports in which metalloporphyrins are used as electrochemical sensors. In addition to compiling a comprehensive and up-to-date list of reported sensors that utilize metalloporphyrins, this work aims to provide an overview of currently available tools and techniques for the detection of various chemical species through similar approaches, which are constantly being developed.

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A selective and sensitive sensor based on highly dispersed cobalt porphyrin-Co3O4-graphene oxide nanocomposites for the detection of methyl parathion

Cited by 33 publications

References 47 publications

Porphyrinoids for Chemical Sensor Applications

Porphyrinoids for Chemical Sensor Applications

Reduced Graphene Oxide Supported Cobalt Bipyridyl Complex for Sensitive Detection of Methyl Parathion in Fruits and Vegetables

Versatile Metalloporphyrin‐Based Electrochemical Sensing Applications: From Small Gasotransmitters to Macromolecules

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