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  • 1
    Electronic Resource
    Electronic Resource
    Felodipine in combination with a β-adrenoceptor blocker as an effective substitute for triple therapy in severe hypertension (1991)
    Springer
    European journal of clinical pharmacology 41 (1991), S. 393-396 
    Details
    ISSN: 1432-1041
    Keywords: Felodipine ; β-blocker ; combination therapy ; essential hypertension
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary We have studied the efficacy and tolerability of felodipine plus a β-adrenoceptor blocker in 79 patients with essential hypertension previously treated with a combination of three or more anti-hypertensive agents, one of which was a β-adrenoceptor blocker. After a 4-week run-in period on the same β-blocker plus placebo (as a substitute for the other agents in the regimen), felodipine was added and its dose titrated to achieve a supine diastolic blood pressure or less than 90 mm Hg. This was followed by a 12-week maintenance phase in all patients, and 47 patients entered an optional long-term follow-up for an additional 9 months. The mean supine blood pressure was 149/88 mm Hg at entry and 174/108 mm Hg after the run-in phase. Felodipine significantly reduced the blood pressure to 142/85 mm Hg after dose titration and to 141/84 mm Hg after 12 weeks, 94% of patients achieving a supine diastolic blood pressure of 90 mm Hg or below. This reduction was maintained in the patients who were followed for 12 months. The adverse events recorded were usually mild, transient, and typical for an effective precapillary vasodilator. Nine of 74 patients (11%) were withdrawn in the first phase of the study because of adverse events and 5 of 47 patients were withdrawn during the long-term follow-up. These results show that the efficacy and tolerability of a combination of felodipine with a β-blocker allow a simplified regimen for hypertensive patients who were previously taking three or more drugs for satisfactory blood pressure control.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00626357
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  • 2
    Electronic Resource
    Electronic Resource
    Characteristics and pathogenicity of Pythium spp. associated with damping-off of sugar beet in Ireland (1992)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 41 (1992), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Five hundred and eight Pythium isolates were obtained from diseased sugar-beet seedlings in the field from beet field soils in Ireland. Pythium sylvaticum and P. intermedium were the dominant species, together representing 86% of isolates, and P. salpingophorum, P. ultimum, P. mamillatum, P. oligandrum and Pythium‘group HS’were the other species identified. The cultural characteristics of these species corresponded generally with previous descriptions, with the exception of P. sylvaticum and P. mamillatum, which varied in some respects. In glasshouse pathogenicity tests, P. sylvaticum, P. intermedium, P. salpingophorum, P. ultimum, P. mamillatum and one unidentified Pythium isolate caused pre-emergence and early post-emergence damping-off of sugar-beet seedlings. Isolates off. oligandrum and Pythium‘group HS’were weakly pathogenic or not pathogenic to beet seedlings.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1992.tb02457.x
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  • 3
    Electronic Resource
    Electronic Resource
    Characteristics and pathogenicity of isolates of Rhizoctonia spp. associated with damping-off of sugar beet (1991)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 40 (1991), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Rhizoctonia solani and R. cerealis were isolated from diseased sugar-beet seedlings in Ireland. Isolates of R. solani were assigned to anastomosis groups AG-2, AG-4, AG-5 and an unidentified group that did not anastomose with recognized tester isolates. Cultures of AG-2 were similar to those of AG-5 on oatmeal agar (OA) and potato-dextrose-marmite agar (PDMA). Cultures of AG-4, the unidentified group and R. cerealis were morphologically distinct from one another, AG-2 and AG-5. The optimum temperature for growth of AG-2 was 225 C, with optimum growth of AG-4, AG-5 and the unidentified group at 275-C. R. cerealis grew slower than all groups of R. solani, with optimum growth at 225°C. Hyphae of R. cerealis were significantly narrower than those of the groups of R. solani studied. In glasshouse pathogenicity tests, some AG-2 and all AG-4, AG-5 and isolates from the unidentified group caused damping-off of beet seedlings. In controlled environments of 10-25°C, an AG-2 isolate was the most aggressive at 10 C whilst AG-4, AG-5 and the unidentified group caused most disease at or above 15°C. R. cerealis was also pathogenic to beet seedlings, causing damping-off at 10 and 15 C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1991.tb02301.x
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  • 4
    Electronic Resource
    Electronic Resource
    Damping-off of sugar beet caused by Rhizoctonia cerealis (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Plant pathology 39 (1990), S. 0 
    Details
    ISSN: 1365-3059
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Rhizoctonia cerealis was isolated from diseased sugar beet seedlings collected from crops in Ireland. In pathogenicity tests, isolates of R. cerealis from beet seedlings, and from sharp eyespot lesions on wheat crops, caused severe damping-off of sugar beet. Isolates from beet seedlings also caused symptoms of sharp eyespot on wheat.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-3059.1990.tb02491.x
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  • 5
    Electronic Resource
    Electronic Resource
    Observation of magnetic switching in submicron magnetic-tunnel junctions at low frequency (1999)
    [S.l.] : American Institute of Physics (AIP)
    Journal of Applied Physics 85 (1999), S. 5267-5269 
    Details
    ISSN: 1089-7550
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Understanding the magnetic switching behavior in micron and submicron scale specimens is important for a number of applications. In this study, magnetic-tunnel junctions of various sizes and shapes were fabricated and their switching behavior was studied in detail. Using exchange bias to offset the magnetic response of one electrode, the response of the other (free) electrode was determined from measurements of junction resistance. Switching threshold curves were measured by sweeping magnetic fields in both easy and hard direction. Single domain like switching was observed in some of our smallest submicron junctions. The observed behavior was compared with predictions from the Stoner–Wohlfarth rotational model and from numerical calculations. © 1999 American Institute of Physics.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.369850
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  • 6
    Electronic Resource
    Electronic Resource
    Y1Ba2Cu3O7−δ thin films grown by a simple spray deposition technique (1988)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 52 (1988), S. 163-165 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: The preparation of high Tc superconducting thin films of Y1Ba2Cu3O7−δ on (100) single crystals of MgO, ZrO2 with 9% Y2O3 (yttria stabilized zirconia, or YSZ), and SrTiO3 using a simple spray deposition technique is described. Typical film growth procedure involves (a) the spraying of a stoichiometric solution of the nitrate precursors on the heated substrate (180 °C), (b) prebaking in air of the sprayed film (20 min at 500 °C), and (c) oven annealing of the film under flowing O2 (900–950 °C followed by slow cooling to 200 °C in about 3 h). X-ray diffraction analysis of the films after each of the growing steps mentioned above shows primarily the presence of crystalline phases of the nitrates, the oxides, and the orthorhombic superconducting phase, respectively. Resistivity versus temperature measurements show that the onset and completion of the superconductive transition occur at 92 and 87 K, respectively, in films on YSZ substrate; at 95 and 80 K, respectively, in films on SrTiO3 substrate; and at 82 and 77 K, respectively, in films on MgO substrate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.99039
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  • 7
    Electronic Resource
    Electronic Resource
    Maskless laser patterning of insulating films from salt solutions (1994)
    Woodbury, NY : American Institute of Physics (AIP)
    Applied Physics Letters 64 (1994), S. 3348-3350 
    Details
    ISSN: 1077-3118
    Source: AIP Digital Archive
    Topics: Physics
    Notes: Insulating thin-film patterns have been deposited on a variety of metal surfaces using focused laser light incident on samples submerged in both electrolytic and electroless nickel solutions. Deposits occur only where the laser radiation is absorbed by the substrate. For a single scan, the patterned film can have dimensions as small as 25 nm in height, 4 μm in width. Scanning electron microscope and electrical probing measurements confirm the insulating nature of the films.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1063/1.111275
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  • 8
    Electronic Resource
    Electronic Resource
    Oxygen reduction on platinum in mixtures of phosphoric and trifluoromethane sulphonic acids (1988)
    Springer
    Journal of applied electrochemistry 18 (1988), S. 763-767 
    Details
    ISSN: 1572-8838
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Electrical Engineering, Measurement and Control Technology
    Notes: Abstract A rotating disk electrode study of O2 reduction on platinum has been carried out in mixtures of concentrated H3PO4 and CF3SO3H at room temperature. The diffusion limiting current was found to increase with increasing amounts of CF3SO3H added to the H3PO4. The apparent first-order rate constant defined in terms of O2 concentration (M) is lower in the mixed acids than in H3PO4 (86% by weight), but the concentration of O2 increases by a much larger factor, with the result that the kinetics are faster in the mixed acids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01016905
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  • 9
    Electronic Resource
    Electronic Resource
    Monitoring metalaxyl resistance in populations ofPhytophthora infestans (1985)
    Springer
    Potato research 28 (1985), S. 531-533 
    Details
    ISSN: 1871-4528
    Keywords: acylalanine ; floating disc ; sampling method
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Samples of potato foliage infected withPhytophthora infestans were collected from the main potato growing areas in Ireland over a three-year period starting in 1981 when metalaxyl-based fungicides were no longer commercially available. Using the floating disc method, 75% of the isolates tested were found to be resistant to metalaxyl in 1981, 21% in 1982 and only 6% in 1983. The reliability of the test method and the sampling procedure to detect low levels of resistance is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02357533
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  • 10
    Electronic Resource
    Electronic Resource
    Changes in the distribution of phenylamide-resistant strains ofPhytophthora infestans (Mont.) de Bary in Ireland 1985–89 (1991)
    Springer
    Potato research 34 (1991), S. 67-69 
    Details
    ISSN: 1871-4528
    Keywords: Metalaxyl ; floating disc ; Solanum tuberosum L.
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Summary Phenylamide-based fungicides were reintroduced to the Irish market in 1985. Mixtures of phenylamides and mancozeb were recommended for no more than 3 sprays in potato late blight control programmes with the last systemic spray to be applied not later than 31 July. Samples of potato foliage infected withP. infestans were collected from the main potato growing areas in Ireland over a five-year period starting in 1985. Using the floating disc method, 11% of the crops sampled in 1985 were found to have phenylamide-resistant strains ofP. infestans present. The number of crops with resistant strains increased rapidly up to 1988 when 83% of the crops sampled had resistance. Factors affecting the distribution of resistance and the efficacy of a phenylamide-based spray programme are discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02358096
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