A-site deficient
Metal oxide interactions for infiltrated Ni nanoparticles on A site deficient LaxSr1 − 3x/2TiO3
... to investigate the influence of stoichiometry upon the contact between metal and oxide, in order to improve the bonding of catalyst and substrate. Optimization of oxidizing and reducing temperatures for Ni infiltration ...
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Scaling up aqueous processing of A site deficient strontium titanate for SOFC anode supports
... The transfer of ceramic formulations and methods developed in the lab to an industrial environment still forms a serious barrier to the successful implementation of many novel materials into commercial SOFC and other ...
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La and Ca doped A site deficient strontium titanates anode for electrolyte supported direct methane solid oxide fuel cell
... diffraction peaks correspond to cubic symmetry. Positions of all the peaks are almost unchanged in reduced and unreduced samples, which indicate that composition retained its perovskite structure and no extra peaks are ...
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Crystal structure of A site deficient La0 2Sr0 2 xCaxTiO3 perovskite at ambient conditions and high temperatures : a neutron powder diffraction study
... nium site. This indicates that at this temperature, the titanium atoms are less stable; i.e. there is mort short range disorder; on their respective atomic site within the perovskite lattice. This must ...
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Short stack and full system test using a ceramic A site deficient strontium titanate anode
... Doped strontium titanates have been widely studied as potential anode materials in solid oxide fuel cells (SOFCs) [4-7] [7] [5] [6] . The high n-type conductivity that can be achieved in these materials makes them well ...
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Development and characterisation of an A site deficient perovskite as alternative anode material for solid oxide fuel cells
... LST even with sulphur content as high as 5000 ppm.[16] However, many reports showed that the catalytic activity of LST towards the oxidation of hydrogen is relatively low compared to Ni-YSZ.[8,11,31] Two routes to ...
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Characterization of Ordering in A-Site Deficient Perovskite Ca₁−ₓLa₂ₓ⁄₃TiO₃ Using STEM/EELS
... A-site cation ordering in AA ′ BO 3 perovskites, as observed for x = 0.9 CLTO, is far less common than B-site cation ordering in ABB ′ O 3 perovskites; 37 but if present, A-site ordering almost ...
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Characterization of Ordering in A-Site Deficient Perovskite Ca1-xLa2x/3TiO3 Using STEM/EELS
... the La-rich compositions to exhibit long-range vacancy ordering, while, on the La-lean side, large domains were identi fi ed with extended defect structures, some of which are tilt boundaries. Observation of boundaries ...
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Modified strontium titanates : from defect chemistry to SOFC anodes
... This is an important distinction (as compared to A-site deficient perovskites), which is sometimes overlooked in literature. Acceptor (A) or donor-(D) substitution may affect the oxygen stoichiometry ...
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Demonstration of high performance in a perovskite oxide supported solid oxide fuel cell based on La and Ca co doped SrTiO3
... A- site vacancies, which are created to compensate the excess positive charges in oxidizing ...A-site deficient sample than in of the stoichiometric counterparts 10 ...
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Chu, Yuanyuan (2012): Role of the ubiquitin-editing enzyme A20 in B cell function and disease. Dissertation, LMU München: Fakultät für Chemie und Pharmazie
... NF-KB– deficient mice involves the sensitization of NF-KB–deficient epithelial cells to TNF-induced apoptosis, compromising epi- thelial integrity and allowing bacterial translocation into the mu- cosa, ...
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Prevention of Glomerulonephritis and Prolonged Survival in New Zealand Black/New Zealand White F1 Hybrid Mice Fed an Essential Fatty Acid deficient Diet
... synthetic diet that contained 20% safflower oil, (b) a standard laboratory chow diet, (c) a standard diet together with injections of PGE 1 , and (d) an essential fatty acid-deficient synthetic diet that contained ...
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Defective DNA synthesis in human megaloblastic bone marrow: effects of homocysteine and methionine
... Among possible explanations for the apparent interference by methionine with de novo dTMP synthesis in normal, folate-deficient, and Bn-deficient marrow is endproduct inhibition of the h[r] ...
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Purine nucleoside metabolism in the erythrocytes of patients with adenosine deaminase deficiency and severe combined immunodeficiency
... nucleosides was studied in erythrocytes from normal individuals, four ADA-deficiency patients, and two heterozygous individuals. ADA deficiency in intake erythrocytes was confirmed by a very sensitive ammonia-liberation ...
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The Microbiota Promotes Arterial Thrombosis in Low Density Lipoprotein Receptor Deficient Mice
... The Microbiota Promotes Arterial Thrombosis in Low Density Lipoprotein Receptor Deficient Mice The Microbiota Promotes Arterial Thrombosis in Low Density Lipoprotein Receptor Deficient Mice Klytaimnis[.] ...
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Effects of Riboflavin Interactions with 5 Methyltetrahydrofolate and Tetrahydrofolate on Changes in Homocysteine and Folate Derivative Levels, with and without Methionine Addition
... The elevation of Hcy with methionine loading was- confirmed in the present study (Figure 4). In the medium to which 5-MTHF had been added along with methionine loading markedly while the THF level increased. From these ...
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Abnormal parathyroid hormone stimulation of 25 hydroxyvitamin D 1 alpha hydroxylase activity in the hypophosphatemic mouse Evidence for a generalized defect of vitamin D metabolism
... hydroxyvitamin D-1 alpha-hydroxylase (1 alpha-hydroxylase) activity for the prevailing degree of hypophosphatemia. To further characterize this defect, we examined whether Hyp-mouse renal 1 alpha-hydroxylase activity ...
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Vitamin D and allergic airway disease shape the murine lung microbiome in a sex-specific manner
... Background: Vitamin D is under scrutiny as a potential regulator of the development of respiratory diseases characterised by chronic lung inflammation, including asthma and chronic obstructive pulmonary disease. It has ...
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The effects of total lymphocyte deficiency on the extent of atherosclerosis in apolipoprotein E / mice
... humoral immune systems in atherogenesis have not been determined. The effect of total lymphocyte deficiency on atherogenesis was investigated by crossing apo E-deficient mice (which develop atherosclerosis ...
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Overstaying their welcome: defective CX3CR1 microglia eyed in macular degeneration
... Age-related macular degeneration (AMD), the most common cause of blind- ness in the elderly, is characterized by degeneration of the macula and can lead to loss of fine color vision. Alterations in inflammatory and ...
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