Carbon-based electrode loaded with Y-doped SrTiO3 perovskite as support for enzyme immobilization in biosensors

Silva, E. Rosa; Nicolini, João Victor; Yamauchi, L.; Machado, Thayná Martins Souza; Curi, M.; Furtado, José Geraldo de Melo; Secchi, Argimiro Resende; Ferraz, Helen Conceição

doi:10.1016/j.ceramint.2019.10.077

Cited by 26 publications

(9 citation statements)

References 56 publications

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“…The linear equations are I pa (mA cm –2 ) = 4.962 + 0.391 ν (mV s –1 ) ( R 2 = 0.997) and I pc (mA cm –2 ) = −4.462–0.362 ν (mV s –1 ) ( R 2 = 0.993). Apparently, the electro-oxidation of glucose on the CuCo 2 O 4 /NiO NNAs/CC electrode is a surface-controlled process. , …”

Section: Resultsmentioning

confidence: 99%

NiO-Coated CuCo₂O₄ Nanoneedle Arrays on Carbon Cloth for Non-enzymatic Glucose Sensing

Deng

et al. 2021

ACS Appl. Nano Mater.

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Transition-metal oxide nanocomposites with a core−shell structure exhibit excellent catalytic performance because of their large surface area and the synergetic effect resulting from their special structures. In this work, a two-step hydrothermal method was used to synthesize hierarchical CuCo 2 O 4 /NiO core−shell nanoneedle arrays (NNAs) on conductive carbon cloth (CC) as a self-supported electrode. The morphology and structure of CuCo 2 O 4 /NiO NNAs/CC were studied in detail by various microscopes and spectroscopes. The synthesized CuCo 2 O 4 /NiO NNAs exhibited excellent electrocatalytic properties toward glucose oxidation due to the hierarchical core−shell structure and the resulting synergetic effect. Therefore, CuCo 2 O 4 /NiO NNAs/CC showed excellent characteristics for glucose determination with high sensitivity (4140 μA mM −1 cm −2 ), broad linear range (0.5−6000 μM), and outstanding selectivity and stability. Moreover, the proposed sensor was evaluated to determine glucose in human serum samples with satisfactory recovery, indicating its potential practical application in quantitative analysis of blood glucose levels.

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Section: Resultsmentioning

confidence: 99%

NiO-Coated CuCo₂O₄ Nanoneedle Arrays on Carbon Cloth for Non-enzymatic Glucose Sensing

Deng

et al. 2021

ACS Appl. Nano Mater.

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“…[42][43][44] The four characteristic peaks at 887, 671, 538 and 414 cm −1 in the range of 400-1000 cm −1 were attributed to the Ba-O stretching vibration, the Sr-Ti-O bonds, the Ti-O vibrations, and metal-oxygen bonds, respectively. [45][46][47]…”

Section: Catalysis Science and Technology Papermentioning

confidence: 99%

Strontium-induced phase, energy band and microstructure regulation in Ba_1−xSr_xTiO₃photocatalysts for boosting visible-light photocatalytic activity

Han

Wang

et al. 2023

Catal. Sci. Technol.

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“…The analysis indicated that SrPbO 3 has orthorhombic symmetry up to 14 K. It was also concluded that the crystalline structure of SrPbO 3 at 14 K did not show significant differences with respect to the crystalline structure data obtained at RT. The structure can also be described as an orthorhombic Pbnm space group, and cell parameters are a = 5.836 (2) Å, b = 5.952 (3) Å, c = 8.294 (5) Å, V = 288.1 (4) Å 3 . As expected, a volume contraction was observed, and the temperature factor values decreased.…”

Section: Srpbo 3 Ceramic Structure At High and Low Temperaturesmentioning

confidence: 99%

“…Today, there is increasing attention towards perovskite-type materials [1][2][3][4][5]. This is mainly due to their excellent properties and practical applications.…”

Section: Introductionmentioning

confidence: 99%

Oxide Strontium-Barium Perovskites Ceramics: Examinations of Structural Phase Transitions and Potential Application as Oxygen Carriers

2023

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The structural properties of selected (Ba1−xSrx)PbO3 ceramics were examined at 14–1148 K using X-ray powder diffraction (XRD). These materials are attractive due to their variety of applications, such as, for example, high-temperature thermoelectric energy conversion. Attention was paid to this paper as a continuation of the previous examinations of higher Sr2+ concentrations. The type of perovskite distortion and temperatures of the structural phase transitions (SPTs) were determined from the splitting of certain pseudocubic lines. At this point, for example (Ba0.3Sr0.7)PbO3 showed three temperature-induced SPTs. When the amount of Sr increased in the samples, no phase transition was observed, which is contrary to the data previously demonstrated in the literature. The quality of the ceramics was examined by scanning electron microscopy-energy dispersion X-ray spectroscopy (SEM-EDS), demonstrating their homogeneity and uniform elements dispersion. As a result of profound crystal investigations, confirmed by thermogravimetric analysis and quadrupole mass spectroscopy (TGA-QMS), a phase diagram was prepared for the (Ba1−xSrx)PbO3 system based on our former and recent study. Also, the investigation of a new application for the (Ba1−xSrx)PbO3 family is presented in this paper for the first time. The TGA analysis was conducted on Illinois#6 hard coal to evaluate the capability of perovskites to be used in the chemical looping combustion (CLC) process in a range of temperatures 1073–1173 K. Due to its thermal stability and reactivity, Ba0.9Sr0.1PbO3 is the material with the greatest potential to be applied as an oxygen carrier. The combination of strontium and barium offers encouraging results compared to the pure barium and strontium lead oxide perovskites.

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Carbon-based electrode loaded with Y-doped SrTiO3 perovskite as support for enzyme immobilization in biosensors

Cited by 26 publications

References 56 publications

NiO-Coated CuCo₂O₄ Nanoneedle Arrays on Carbon Cloth for Non-enzymatic Glucose Sensing

NiO-Coated CuCo₂O₄ Nanoneedle Arrays on Carbon Cloth for Non-enzymatic Glucose Sensing

Strontium-induced phase, energy band and microstructure regulation in Ba_1−xSr_xTiO₃photocatalysts for boosting visible-light photocatalytic activity

Oxide Strontium-Barium Perovskites Ceramics: Examinations of Structural Phase Transitions and Potential Application as Oxygen Carriers

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Carbon-based electrode loaded with Y-doped SrTiO3 perovskite as support for enzyme immobilization in biosensors

Cited by 26 publications

References 56 publications

NiO-Coated CuCo2O4 Nanoneedle Arrays on Carbon Cloth for Non-enzymatic Glucose Sensing

NiO-Coated CuCo2O4 Nanoneedle Arrays on Carbon Cloth for Non-enzymatic Glucose Sensing

Strontium-induced phase, energy band and microstructure regulation in Ba1−xSrxTiO3photocatalysts for boosting visible-light photocatalytic activity

Oxide Strontium-Barium Perovskites Ceramics: Examinations of Structural Phase Transitions and Potential Application as Oxygen Carriers

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Product

Resources

About

NiO-Coated CuCo₂O₄ Nanoneedle Arrays on Carbon Cloth for Non-enzymatic Glucose Sensing

NiO-Coated CuCo₂O₄ Nanoneedle Arrays on Carbon Cloth for Non-enzymatic Glucose Sensing

Strontium-induced phase, energy band and microstructure regulation in Ba_1−xSr_xTiO₃photocatalysts for boosting visible-light photocatalytic activity