Results 151 to 160 of about 2,201 (173)
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Interaction of CO with the SmOX/Ru(001) interface
Surface Science, 1998The effect of an interface of rare earth oxide transition metal upon CO adsorption was investigated on the Ru(001) surface partially covered with SmO x . which was prepared by means of the selective oxidation of Sm in a Sm + CO coadsorption system on Ru(001). Temperature programmed desorption and ultraviolet photoelectron spectroscopy results indicated
T Kuriyama, K Kunimori, H Nozoye
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Optimization of SMOX-materials for gas sensing applications by numerical simulations
2017 ISOCS/IEEE International Symposium on Olfaction and Electronic Nose (ISOEN), 2017In the field of semiconductor gas sensor research materials belonging to a broad spectrum are developed and investigated. The approach for performance increase, especially the selectivity to specific target gases, is often the surface modification in order to promote specific chemical interactions.
Peter Bonanati +2 more
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ECS Meeting Abstracts, 2023
In operando diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy, the metal oxide sample is illuminated by the infrared beam, and the scattered (rather than transmitted) light is collected with appropriate optics for analysis. In addition to being better suited for operando methods, DRIFT spectroscopy has also been found to be more ...
Anna Friederike Staerz, Nicolae Barsan
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In operando diffuse reflectance infrared Fourier transform (DRIFT) spectroscopy, the metal oxide sample is illuminated by the infrared beam, and the scattered (rather than transmitted) light is collected with appropriate optics for analysis. In addition to being better suited for operando methods, DRIFT spectroscopy has also been found to be more ...
Anna Friederike Staerz, Nicolae Barsan
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Evidence for Perimeter Sites Over SmOx-Modified Rh(1 0 0) Surface by CO Chemisorption
Surface Science, 2004Abstract SmOx modified Rh(1 0 0) surfaces have been in-situ prepared by depositing metallic Sm and subsequently oxidizing under controlled conditions, and the interaction between the lanthanide oxide and transition metal has been characterized by means of X-ray photoelectron spectroscopy (XPS) and high-resolution electron-energy-loss spectroscopy ...
Xinhe Bao, weiping, Zhiquan Jiang
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Investigating the role of SMOX in rheumatoid arthritis
Molecular ImmunologyRheumatoid arthritis (RA) is pathologically marked by joint inflammation and damage. Although the association between spermidine and RA has been recognized, the precise contribution of spermine oxidase (SMOX)-the enzyme catalyzing spermidine synthesis-to RA pathogenesis remains undefined.
Zuning Jiang +9 more
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Multivariate Analysis of Light-Activated SMOX Gas Sensors
ACS SensorsChemoresistive gas sensors made from SnO2, ZnO, WO3, and In2O3 have been prepared by flame spray pyrolysis. The sensors' response to CO and NO2 in darkness and under illumination at different wavelengths, using commercially available LEDs, was investigated.
Benjamin Junker +7 more
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International Immunopharmacology
Once an ischemic stroke occurs, reactive oxygen species (ROS) and oxidative stress degrade the tight connections between cerebral endothelial cells resulting in their damage. The expression of antioxidant genes may be enhanced, and ROS formation may be reduced following Nrf2 activation, which is associated with protection against ischemic stroke ...
Zhongqiu Fu +2 more
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Once an ischemic stroke occurs, reactive oxygen species (ROS) and oxidative stress degrade the tight connections between cerebral endothelial cells resulting in their damage. The expression of antioxidant genes may be enhanced, and ROS formation may be reduced following Nrf2 activation, which is associated with protection against ischemic stroke ...
Zhongqiu Fu +2 more
exaly +3 more sources
Host Anion Effect on the Energy Level Scheme of Sm3+ in SmOX (X = F, Cl and Br)
Journal of Luminescence, 1997The energy level schemes obtained from the optical absorption and luminescence data for the Sm3+ doped oxyhalides (SmOX, X = F, Cl and Br) were simulated with a phenomenological model accounting simultaneously for the free ion interactions and the crystal field (c.f.) effect.
Jorma Hölsä +2 more
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Evolution & Development, 2018
Members of the phylum Arthropoda, comprising over 80% of total animal species, have evolved regenerative abilities, but little is known about the molecular mechanisms mediating this process. Transforming growth factor β (TGF‐β) signaling mediates a diverse set of essential processes in animals and is a good candidate pathway for regulation of ...
Junpei Shinji +4 more
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Members of the phylum Arthropoda, comprising over 80% of total animal species, have evolved regenerative abilities, but little is known about the molecular mechanisms mediating this process. Transforming growth factor β (TGF‐β) signaling mediates a diverse set of essential processes in animals and is a good candidate pathway for regulation of ...
Junpei Shinji +4 more
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Quantification of spermine oxidase (SMOX) activity in tissues by HPLC
The polyamine oxidases, SMOX and PAOX, are enzymes involved in the normal metabolism of polyamines. Both enzymes are implicated in numerous human diseases including cancer, reperfusion injury, and neurodegenerative diseases. The ability to directly measure the activity of these enzymes is imperative in understanding their role in human health and ...Jackson R, Foley, Cassandra E, Holbert
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