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RISS 인기검색어
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- 저자 : Hernandez-Andres (검색결과 4 건)
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Ana Espinosa,Eva C espedes,Carlos Prieto,Mar Garcia-Hernandez,Alicia de Andres 한국물리학회 2008 THE JOURNAL OF THE KOREAN PHYSICAL SOCIETY Vol.52 No.5
We have investigated magnetic, electronic and structural properties of two series of multilayers, (Mn(d)/ZnO(₃ nm))N and (Mn(d)/SnO₂(₃nm))N, deposited onto Si(100) using magnetron sputtering. The nominal Mn layer thickness, d, ranged from 10 to 0.2 nm and the number of layers, N, was increased to keep the total amount of Mn constant. Structural information was deduced from X- ray re ectivity and XAS and Mn oxidation state is estimated from its K edge. The ferromagnetic transition temperature, TC, in those samples where a ferromagnetic order is established, is always above 400 K. The ferromagnetic fraction within each sample evidences an opposite behaviour as Mn layer thickness is reduced and N increased, in ZnO and SnO₂ series. While ferromagnetism is favoured in Mn/ZnO increasing d, the maximum value, in Mn/SnO₂, is obtained for 0.4 nm Mn layers. A Mn mixed valence state is not a sucient condition for ferromagnetism. We discuss the origin of this opposite behaviour which is related to the particular phases formed at the interfaces related to the dierent ability of ZnO and SnO₂ to participate and saturate Mn oxide phases. We have investigated magnetic, electronic and structural properties of two series of multilayers, (Mn(d)/ZnO(₃ nm))N and (Mn(d)/SnO₂(₃nm))N, deposited onto Si(100) using magnetron sputtering. The nominal Mn layer thickness, d, ranged from 10 to 0.2 nm and the number of layers, N, was increased to keep the total amount of Mn constant. Structural information was deduced from X- ray re ectivity and XAS and Mn oxidation state is estimated from its K edge. The ferromagnetic transition temperature, TC, in those samples where a ferromagnetic order is established, is always above 400 K. The ferromagnetic fraction within each sample evidences an opposite behaviour as Mn layer thickness is reduced and N increased, in ZnO and SnO₂ series. While ferromagnetism is favoured in Mn/ZnO increasing d, the maximum value, in Mn/SnO₂, is obtained for 0.4 nm Mn layers. A Mn mixed valence state is not a sucient condition for ferromagnetism. We discuss the origin of this opposite behaviour which is related to the particular phases formed at the interfaces related to the dierent ability of ZnO and SnO₂ to participate and saturate Mn oxide phases.
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Poster Session : PS 0633 ; Respiratory Medicine ; COPD and Percutaneous Coronary Intervention
( Pavel Alexei Chisholm Sanchez ),( Javier De Miguel Diez ),( Diego Jose Castrillon Rodriguez ),( Rodrigo Jimenez Garcia ),( Valentin Hernandez Barrera ),( Pilar Carrasco Garrido ),( Ana Lopez De Andr 대한내과학회 2014 대한내과학회 추계학술대회 Vol.2014 No.1
Background: To compare trends in the use and outcomes of PCI in patients COPD and non COPD patients in Spain from 2001 to 2011. Methods: We identifi ed all patients who had undergone PCI, using national hospital discharge data. Discharges were divided, according to history of COPD, in 2 groups: COPD and non COPD. The incidence of discharges attributed to percutaneous coronary intervention were calculated and stratifi ed by COPD status. We calculated comorbidity Charlson Comorbidity Index (CCI), length of stay (LOS) and in-hospital mortality (IHM). Results: From 2001 to 2011, 434,108 PCI´s were performed. The incidence of use of PCI increased over time in both groups (p<0.05), COPD and non COPD, from 4.94 per 100,000 inhabitants in 2001 to 11.76 in 2011 in COPD, and from 87.74 to 177.56 in non COPD. Comorbidity increased signifi cantly in both groups (p<0.05). The average LOS decreased signifi cantly over time, from 9 (IQR 10) days in 2001 to 6 (IQR 6) days in COPD patients, and from 6 (IQR 9) days in 2001 to 5 (IQR 6) days in patients without COPD. IHM changed signifi cantly over the entire study period among patients with COPD (from 2.65% in 2001 to 2.66% in 2011, p<0,05, x2 linear trend analysis) and non COPD (from 1.92% in 2001 to 1.85% in 2011, p<0,05, x2 linear trend analysis). Conclusions: The incidence of use of PCI procedures increased over time in COPD and non COPD patients. Increasing comorbidity can be associated with a higher use of PCI procedures. LOS and IHM were higher in patients with COPD than in those without this disease.
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Patrı´cia Silva de Camargo,Carla Rigo Lima,Maria Luiza de Andrade E Rezende,Adriana Teresa Silva Santos,Joa˜o Wagner Rodrigues Hernandez,Andre´ia Maria Silva 사단법인약침학회 2018 Journal of Acupuncture & Meridian Studies Vol.11 No.1
The purpose of this study was to analyze and compare intra and intergroup the immediate effect of the auricular and LR8 systemic acupuncture on the electromyographic activity of the trapezius with the trigger points. This is an experimental clinical trial; 40 people were split in 4 distinct groups (n = 10): GI mustard seed application in the auricular acupoint; GII bilateral needle application in the LR8 acupoint; GIII combination of the techniques; GIV/Control Group mustard seed application in an acupoint not linked to the muscle tension. The EMG was used to assess the muscle contraction for 5 seconds during the resting time and during the isometric contraction time. The EMG signal was first collect without the acupuncture intervention; then both techniques were applied for 5 minutes; and the EMG was collected again right after these applications. The Shapiro-Wilk test was used, the t test was paired with the Wilcoxon test to the intragroup comparison; One-way analysis of variance test for intergroup comparison. There was no statistical difference in the intragroup comparison for the groups. The same happened to the intergroup comparison before and after application. Systemic and auricular acupuncture did not promote immediate changes in the EMG activity of the trapezius muscle in individuals with MTrPs.
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