Catalytic properties of thulium oxide in reactions of dehydrogenation and dehydration of alcohols and dehydrogenation of tetralin

Tolstopyatova, A. A.; Balandin, Alexander A.; Pi-Hsiang, P'eng

doi:10.1007/bf00845883

Cited by 3 publications

(2 citation statements)

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“…18 Tolstopyatova et al investigated the catalytic properties of Tm 2 O 3 for dehydrogenation and dehydration of alcohols (C n H 2n+1 OH series) and the dehydrogenation of tetralin. 19 Additionally, Tm 2 O 3 nanoparticles synthesized by the hydrothermal method indicate an excellent biocompatibility and provide a friendly microenvironment for electron transfer between hemoglobin (Hb) and a Hb immobilized naon-Tm 2 O 3 lm electrode. 20 Total cholesterol estimation is considered to be very important for patients suffering from heart disease, atherosclerosis, hypertension, coronary artery disease, cerebral thrombosis, arteriosclerosis, lipid metabolism dysfunction and other clinical disorders that require continuous monitoring of total cholesterol in a biological sample.…”

Section: Introductionmentioning

confidence: 99%

A dual enzyme functionalized nanostructured thulium oxide based interface for biomedical application

et al. 2014

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In this paper, we present results of the studies related to fabrication of a rare earth metal oxide based efficient biosensor using an interface based on hydrothermally prepared nanostructured thulium oxide (n-Tm2O3). A colloidal solution of prepared nanorods has been electrophoretically deposited (EPD) onto an indium-tin-oxide (ITO) glass substrate. The n-Tm2O3 nanorods are found to provide improved sensing characteristics to the electrode interface in terms of electroactive surface area, diffusion coefficient, charge transfer rate constant and electron transfer kinetics. The structural and morphological studies of n-Tm2O3 nanorods have been carried out by X-ray diffraction (XRD), scanning electron microscopy (SEM), transmission electron microscopy (TEM), X-ray photoelectron spectroscopy (XPS) and Fourier transform infrared (FTIR) spectroscopic techniques. This interfacial platform has been used for fabrication of a total cholesterol biosensor by immobilizing cholesterol esterase (ChEt) and cholesterol oxidase (ChOx) onto a Tm2O3 nanostructured surface. The results of response studies of the fabricated ChEt-ChOx/n-Tm2O3/ITO bioelectrode show a broad linear range of 8-400 mg dL(-1), detection limit of 19.78 mg (dL cm(-2))(-1), and high sensitivity of 0.9245 μA (mg per dL cm(-2))(-1) with a response time of 40 s. Further, this bioelectrode has been utilized for estimation of total cholesterol with negligible interference (3%) from analytes present in human serum samples. The utilization of this n-Tm2O3 modified electrode for enzyme-based biosensor analysis offers an efficient strategy and a novel interface for application of the rare earth metal oxide materials in the field of electrochemical sensors and bioelectronic devices.

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Section: Introductionmentioning

confidence: 99%

A dual enzyme functionalized nanostructured thulium oxide based interface for biomedical application

et al. 2014

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“…It has also been reported that thin Tm 2 O 3 sensing films deposited on Si substrates exhibited the physical and sensing characteristics for pH detection [18]. In addition, Tolstopyatova and Balandin [20] investigated the catalytic properties of Tm 2 O 3 in the dehydrogenation and dehydration of alcohols of the series C n H 2n+1 OH and the dehydrogenation of tetralin. However, as far as we know, Tm 2 O 3 has not been reported in enzymes electrochemical biosensors.…”

Section: Introductionmentioning

confidence: 98%

Glucose oxidase–Tm2O3 nanoparticle-modified electrode for direct electrochemistry and glucose sensing

Gao

Zhou

et al. 2010

Journal of Electroanalytical Chemistry

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Optical and electro-catalytic studies of nanostructured thulium oxide for vitamin C detection

Singh

Srivastava

Roychoudhury

et al. 2013

Journal of Alloys and Compounds

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Catalytic properties of thulium oxide in reactions of dehydrogenation and dehydration of alcohols and dehydrogenation of tetralin

Cited by 3 publications

References 1 publication

A dual enzyme functionalized nanostructured thulium oxide based interface for biomedical application

A dual enzyme functionalized nanostructured thulium oxide based interface for biomedical application

Glucose oxidase–Tm2O3 nanoparticle-modified electrode for direct electrochemistry and glucose sensing

Optical and electro-catalytic studies of nanostructured thulium oxide for vitamin C detection

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