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  • 1
    Electronic Resource
    Electronic Resource
    Spin Coating of a Ca(Ti,Fe)O3 Dense Film on a Porous Substrate for Electrochemical Permeation of Oxygen (1997)
    Westerville, Ohio : American Ceramics Society
    Journal of the American Ceramic Society 80 (1997), S. 0 
    Details
    ISSN: 1551-2916
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics , Physics
    Notes: A dense Ca(Ti0.75Fe0.25)O3−α (Ca(Ti,Fe)O3) film, which is a mixed conductor of oxide ions and electrons/holes, was prepared on a porous CaTiO3 substrate by a spin-coating method. The calcined Ca(Ti,Fe)O3 powder with 2–3 μm grain sizes was mixed with a dispersant in ethanol to form the slurry for spin coating. A uniform Ca(Ti,Fe)O3 green film was obtained at 1000–1500 rpm on the rotating porous CaTiO3 substrate, which had an average pore diameter of a few micrometers. The optimum sintering conditions for the spin-coated films were a soaking temperature of 1235°C and a holding time of 2 h, in air. A dense, sintered Ca(Ti,Fe)O3 film }20–50 μm thick was prepared by repeating the coatingsintering process. The gas-tight film prepared on the porous substrate exhibited higher electrochemical permeation of oxygen at an operating temperature of 1000°C compared with that of thicker, sintered Ca(Ti,Fe)O3 disks.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1151-2916.1997.tb02992.x
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  • 2
    Electronic Resource
    Electronic Resource
    Detection of apoptosis in hair follicles and acrosyringium of normal human scalp skin by labeling of nick ends of fragmented DNA (1999)
    Springer
    Archives of dermatological research 291 (1999), S. 300-302 
    Details
    ISSN: 1432-069X
    Keywords: Key words TUNEL ; Apoptosis ; Trichilemmal ; keratinization ; Epidermal appendages
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004030050412
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  • 3
    Electronic Resource
    Electronic Resource
    Detection of programmed cell death in anagen hair follicles of guinea pig skin by labeling of nick ends of fragmented DNA (1997)
    Springer
    Archives of dermatological research 289 (1997), S. 603-605 
    Details
    ISSN: 1432-069X
    Keywords: Key words Programmed cell death ; Anagen hair ; TUNEL ; Trichilemmal keratinization ; Medulla
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s004030050247
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  • 4
    Electronic Resource
    Electronic Resource
    Immunohistocytochemical localization of alpha human atrial natriuretic peptide in human atrium obtained from endomyocardial biopsy and cardiac surgery (1988)
    Springer
    Heart and vessels 4 (1988), S. 112-115 
    Details
    ISSN: 1615-2573
    Keywords: Atrial natriuretic peptide ; Immunohistocytochemistry ; Avidin-biotin peroxidase complex method ; Atrial specific granules ; Mitral valve disease ; Endomyocardial biopsy
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary To demonstrate the localization of atrial natriuretic peptide (ANP), we were able to apply the indirect and avidin-biotin peroxidase complex (ABC) methods for immunohistocytochemical analysis on sections with routine fixation and embedding for conventional histopathological and ultrastructural examinations. Human right and/or left atrial myocardial specimens were obtained at cardiac surgery (n=12) or by right atrial endomyocardial biopsy, employing Konno's catheter bioptome (n=30). In both specimens, ANP-like immunoreactivity was observed mainly around the nuclei and in specific granules in atrial myocytes. These new techniques are, therefore, considered to be useful for clinical analysis employing minute human atrial specimens in various heart diseases.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02058998
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  • 5
    Electronic Resource
    Electronic Resource
    Photopic flicker ERG in cases of congenital night blindness and total color blindness (1964)
    Springer
    Documenta ophthalmologica 18 (1964), S. 352-366 
    Details
    ISSN: 1573-2622
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Description / Table of Contents: Résumé Le flicker ERG photopique par suite de stimulation intermittente intense de durée brève a été examiné dans les sujets normaux et en cas d'anomalies congénitales de la rétine. Les résultats confirment l'importance de l'effet “off” en ERG photopique. Les résultats obtenus dans un cas de la maladie d'Oguchi indiquent le déficit partiel de la fonction rétinienne scotopique. Dans un cas de l'héméralopie congénitale stationnaire l'auteur a démontré la perte complète des components scotopiques de l'ERG. D'autrepart, dans un cas d'achromatopsie complète une perte presque totale de la fonction photopique a été trouvée psycho-physiquement. Basé sur ces résultats et sur quelques autres données l'auteur croit que les potentiels oscillants visibles sur la branche ascendante de l'onde-b de l'ERG sont le résultat d'une interaction entre les effets “on” des systèmes rétiniens photopiques et scotopiques.
    Abstract: Zusammenfassung Der Verfasser hat das photopische Flimmer-ERG folgend auf intensive intermittierende Lichtreize von kurzer Dauer untersucht in normalen Versuchspersonen und in Patienten mit einigen specifischen kongenitalen Anomalien der Netzhaut. Die Resultate haben die Bedeutung des “Off”-Effekts im photopischen ERG hervorgehoben. Die Resultate gefunden in einem Fall der Oguchi'schen Krankheit deuten auf ein partielles Deficit der skotopischen retinalen Funktion. In einem Fall einer kongenitalen stationären Hemeralopie konnte der Verfasser einen vollständigen Verlust der skotopischen Komponenten zeigen. Dagegen konnte der Verfasser in einem Fall von Achromatopsie einen fast vollständigen Verlust der photopischen Funktion, sowohl subjektiv als objektiv, mit Hilfe des ERG's nachweisen. Basiert auf diesen Resultaten meint der Verfasser, dass die oscillierenden Potentiale, die auf der ansteigenden Zacke der b-Welle gefunden werden können, die Folge einer Interaktion zwischen den “On”-Effekten der photopischen und der skotopischen Systeme der Netzhaut sind.
    Notes: Summary The photopic flicker ERG in response to intense intermittent light of fixed brief duration has been investigated in normal subjects and those with some specific congenital deficiencies of the retina. The results confirmed the importance of the off-effect in photopic ERG. The results obtained in a case of Oguchi's disease indicated the partial deficiency of the scotopic function of the retina. In a case of congenital stationary night blindness, complete loss of the scotopic component of the ERG was demonstrated. On the other hand, in a case of total color blindness, there was almost complete loss of photopic function psychophysically and electroretinographically. Based on these results as well as some other evidence the author believes that the oscillatory potentials on the ascending phase of the b-wave of the ERG are due to interaction between the on-effects of the photopic and the scotopic system of the retina.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00160587
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  • 6
    Electronic Resource
    Electronic Resource
    Argon-laser gonioplasty following goniosynechialysis (1991)
    Springer
    Graefe's archive for clinical and experimental ophthalmology 229 (1991), S. 505-507 
    Details
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract We performed laser gonioplasty following goniosynechialysis on 12 eyes that exhibited a very narrow angle. In these cases, angle closure had recurred postoperatively, although gonioscopy carried out at the time of goniosynechialysis revealed opening of the trabecular meshwork. The use of laser gonioplasty following goniosynechialysis was most effective in flattening the configuration of the iris and opening the iridocorneal angle. The induced alteration of the structure of the iris remained unchanged in all cases throughout the follow-up period, and intraocular pressure remained below 20 mmHg in 9 of the 12 eyes. It thus appears that a combination of goniosynechialysis and laser gonioplasty may be effective in the management of refractory angle-closure glaucoma in the presence of an extremely narrow angle.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00203310
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  • 7
    Electronic Resource
    Electronic Resource
    Surgical results and complications of goniosynechialysis (1992)
    Springer
    Graefe's archive for clinical and experimental ophthalmology 230 (1992), S. 309-313 
    Details
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Goniosynechialysis (GSL) was performed in 70 eyes with primary angle-closure glaucoma in which the intraocular pressure (IOP) could not be controlled with laser or surgical iridectomy. Following GSL, the IOP was maintained at below 20 mmHg, with and without eye drops, in 34 (87%) of 39 aphakic eyes and in 13 (42%) of 31 phakic eyes. In 8 of 10 eyes, all of which were phakic and the first GSL procedure was not effective, IOP could be controlled by a second GSL procedure combined with lens extraction. Life-table analysis showed a significant difference between the probable success rate, after 5 years, between the phakic and aphakic groups. Postoperative tonographic C values showed improvement in outflow facility. However, frequently encountered complications were exudation of fibrin and minor hemorrhage. Our results suggest that a combination of GSL and extraction of the lens may be necessary to control refractory angle-closure glaucoma.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00165936
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  • 8
    Electronic Resource
    Electronic Resource
    Clinical and pathological status of mesectodermal leiomyoma of the ciliary body (1989)
    Springer
    Graefe's archive for clinical and experimental ophthalmology 227 (1989), S. 101-105 
    Details
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The case of a 28-year-old woman with a well-vascularized, yellowish neoplasm in her right eye is reported. The findings upon slit-lamp examination and fluorescein iridography strongly suggested a malignant lesion. The tumor and the adjacent portion of the iris, angle structures, ciliary body, cornea, and sclera were removed en bloc under the half-thickness corneoscleral flap. On the basis of light-microscopic studies, the tumor was suspected to be a neurogenic or glial tumor but further studies confirmed it to be a mesectodermal leiomyoma of the ciliary body. Electron-microscopic studies revealed the smooth muscle nature of the tumor. Because of the high percentage of benign lesions in this site, we believe that even though examinations may suggest malignancy, excision of the tumor should be preferred to enucleation of the globe in cases of ciliary tumor.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02169778
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  • 9
    Electronic Resource
    Electronic Resource
    Long-term results of non-filtering surgery for the treatment of primary angle-closure glaucoma (1995)
    Springer
    Graefe's archive for clinical and experimental ophthalmology 233 (1995), S. 563-567 
    Details
    ISSN: 1435-702X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract • Background: We previously reported the effectiveness of goniosynechialysis and trabeculotomy ab externo for adult-onset glaucoma. In this study, we performed non-filtering surgery on patients with primary angle-closure glaucoma and studied the long-term outcome of this treatment. • Methods: Included in this study were 35 eyes of 25 patients with primary angle-closure glaucoma, each of which had an intraocular pressure greater than 20 mmHg with maximal tolerated antiglaucoma medication, even after laser iridotomy or surgical iridectomy. Of these 35 eyes, 22 underwent trabeculotomy and 13 underwent goniosynechialysis. All patients were followed up for at least 18 months. • Results: In 21 (95%) of 22 eyes after trabeculotomy, and in 12 (92%) of 13 eyes after goniosynechialysis, intraocular pressures were well controlled at or below 21 mmHg at the final examination. However, in two of the 21 eyes in which trabeculotomy was a success, and in four of the 12 eyes in which goniosynechialysis was successful, the procedure had to be repeated before adequate control of pressure was achieved. • Conclusion: Our results show that intraocular pressure in most cases of primary angle-closure glaucoma can be controlled by restructuring of the physiologic aqueous outflow route by means of goniosynechialysis or trabeculotomy, and that filtering surgery is not necessary.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00404707
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  • 10
    Electronic Resource
    Electronic Resource
    Distribution of desmin filaments in the myocardium of the failing heart (1994)
    Springer
    Medical molecular morphology 27 (1994), S. 246-248 
    Details
    ISSN: 1860-1499
    Keywords: Immunoelectron microscopy ; Dilated cardiomyopathy ; Immunocytochemistry ; Desmin filament
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Desmin filaments specific for muscle cells, normally localized at the Z band level and intercalated discs, may play an important role in maintaining the structure of the cardiomyocytes. By immunoelectron microscopy, we examined the distribution of desmin in endomyocardial biopsy samples of 10 patients with dilated cardiomyopathy. We found an increased number of desmin filaments characterized by a disordered arrangement in the myocytes. Desmin immunolabeling was transversely and longitudinally distributed at the Z band level and near the intercalated discs within the cytoplasm of the myocytes lacking myofilaments. These data suggest that desmin filaments could play a role in the defence mechanisms of the cardiomyocytes threatened by stress overloading in the diseased human heart.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02349666
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