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RISS 인기검색어
- 검색키워드
- 저자 : Jaysiva Ganesamurthi (검색결과 2 건)
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Jaysiva Ganesamurthi,Xiang-Ren Chen,Ruey-Shin Juang,Siang-Yu Wei,Da-Yuan Lin 한국공업화학회 2023 Journal of Industrial and Engineering Chemistry Vol.127 No.-
In recent decades, nitroimidazole derivatives have played an effectual role against bacterial and protozoaninfections that can be used as anti-cancer and antibiotic drugs. Ornidazole (ORD) consists of a major5-imidazole nucleus which complements to first nitro groups, ORD invades into lipid tissue and othernitroimidazole derivatives. The periodic intake of ORD orally causes side effects of headache, nausea,vomiting, and breathing difficulties such effects need potential monitoring and develop essential electrochemicalsensing toward ORD. In this study, we developed a ternary cobalt germanium oxide (Co2GeO4)nanoparticle prepared by a facile hydrothermal method and followed by calcination. The carbon-basedgraphitic carbon nitride (GCN, g-C3N4) nanosheets were therefore supported for electrochemical sensingapplications in order to improve the features like the catalytic activity, electrical conductivity, and activesurface area of Co2GeO4 composites. The structural, chemical composition, and morphological propertiesof samples were characterized. Subsequently, the fabrication of cobalt germanium oxide with graphiticcarbon nitride (Co2GeO4/GCN) was modified over a screen-printed carbon electrode (SPCE) towards electrochemicaldetection of ORD. Electrochemical measurements were recorded by cyclic voltammetry (CV)and differential pulse voltammetry (DPV) for the determination of ORD. The Co2GeO4/GCN nanocompositeexhibits a wide linear range response of 0.049–94.9 lM in DPV with a nanomolar limit of detection of7.2 nM of ORD and a high sensitivity of 2.66 lA lM1 cm2. An interference study was carried out for theCo2GeO4/GCN nanocomposite in the existence of hazardous metals, biological compounds, and similardrugs for examining the selectivity of the sensor. The proposed Co2GeO4/GCN nanocomposite revealssuperior sensing selectivity towards ORD; hence, repeatability, reproducibility, and storage stability wererecorded in their RSD and found to be less than 0.4%, adding to this practical feasibility of the sensor analyzedby real samples of blood serum & human urine with exceptional recovery percentages.
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Balamurugan Muthukutty,Jaysiva Ganesamurthi,Tse-Wei Chen,Shen-Ming Chen,Jaysan Yu,Xiaoheng Liu 한국공업화학회 2022 Journal of Industrial and Engineering Chemistry Vol.106 No.-
Owing to the enhanced electrical conductivity, sensitivity, selectivity, cost-effective, and simple samplingmethods, rare-earth pyrochlore structured stannates (M2Sn2O7) have been referred to as an elegant systemfor electrochemical sensing applications. Because of this, novel pyrochlore structure lanthanum stannatenanoparticles (La2Sn2O7 NPs) was synthesized via an eco-friendly method and further characterizedthrough various spectroscopic & microscopic techniques. The electrocatalytic property of La2Sn2O7 NPswas examined by fabricating it over a glassy carbon electrode (La2Sn2O7 NPs/GCE) in acidic media as aworking electrolyte. The effect of variables such as the amount of La2Sn2O7 NPs suspension and pH ofthe solution was optimized. Subsequently, after optimizing measurement conditions, the proposedLa2Sn2O7 NPs sensor shows excellent selectivity, sensitivity, linear ranges (0.01 to 127 mM & 127–1437mM), the limit of detection (6 nM) and limit of quantification (0.10 mM). The active sites, presence of metaloxide bonds, higher resistivity, and faster electron mobility paid away for the enhanced electrocatalyticactivity of the proposed sensor. Furthermore, the La2Sn2O7 NPs act as promising electrode modifiers forreal sample investigation of clove samples with accepted recovery rates (86–98%). Hence, the La2Sn2O7NPs sensor act as a hopeful electrode modifier for the determination of eugenol.
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