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Analysis of Ols core-level of p- and n-type high-Tc copper oxides: Evidence for a different nature of carrier doping

Itti, R. ; Isawa, K. ; Sugiyama, J. ; [et al.]

Amsterdam : Elsevier

Journal of Physics and Chemistry of Solids 54 (1993), S. 1199-1202

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ISSN: 0022-3697

Keywords: Ols core-level ; Photoelectron Spectroscopy ; p-/n-type superconductors

Source: Elsevier Journal Backfiles on ScienceDirect 1907 - 2002

Topics: Chemistry and Pharmacology , Physics

Type of Medium: Electronic Resource

URL: http://linkinghub.elsevier.com/retrieve/pii/0022-3697(93)90166-O

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Hormone-cytokine response (1997)

Yoshida, T. ; Kobayashi, E. ; Suminaga, Y. ; [et al.]

Springer

Surgical endoscopy and other interventional techniques 11 (1997), S. 907 -910

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ISSN: 1432-2218

Keywords: Key words: Laparoscopic cholocystectomy — Pneumoperitoneum — Wall-lifting — Hormone — Cytokine

Source: Springer Online Journal Archives 1860-2000

Topics: Medicine

Notes: Abstract Background: Changes in blood hormone and cytokine were investigated in patients who underwent laparoscopic cholecystectomy via insufflation (CO2 group) vs those who had abdominal wall-lifting (Air group). Methods: Seventeen female patients with cholecystolithiasis were randomly divided into two groups. Peripheral blood samples were obtained during perioperative period, and plasma hormone levels (ACTH, cortisol) and serum cytokine levels (TNFα, IL-1β, IL-6, IL-10) were measured. Results: The number of circulating lymphocytes significantly decreased at 1 h after surgery in both groups, but the decrease in the CO2 group was significantly smaller than that in the Air group. There was no significant difference in hormone elevation between groups. Serum concentrations of IL-6 and IL-10 in the Air group were significantly higher than in the CO2 group. Conclusions: CO2 insufflation may reduce cytokine production in laparoscopic cholecystectomy.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/s004649900484

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New high-pressure Sr-Ca-Cu-O compounds and their superconducting properties (1994)

Adachi, Seiji ; Yamauchi, H. ; Tanaka, Shoji ; [et al.]

Springer

Journal of superconductivity 7 (1994), S. 55-58

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ISSN: 1572-9605

Keywords: Sr-Ca-Cu-O superconductor ; high-pressure synthesis ; oxidizer ; “0223” structure ; “infinite-layer” structure

Source: Springer Online Journal Archives 1860-2000

Topics: Electrical Engineering, Measurement and Control Technology , Physics

Notes: Abstract It is shown for (Sr, Ca)1−y CuO2.00+z (nominal composition) superconductors fabricated under a high pressure of 5 GPa and at 930°C that, as z increases, the Meissner fraction increases from a few percent to 20% and then starts to decrease. In the X-ray powder diffraction pattern for the sample with the maximum Meissner fraction, it is obvious that the “infinite-layer” structure has been decomposed and a new structure becomes the major phase. It appears that the new structure is the “0223” structure which consists of rock-salt and the “infinite-layer” type blocks. This material is likely to be a new superconducting cuprate.

Type of Medium: Electronic Resource

URL: http://dx.doi.org/10.1007/BF00730368

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