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  • 1
    Electronic Resource
    Electronic Resource
    Electron nuclear double resonance study of 9-arylxanthyl radicals (1974)
    s.l. : American Chemical Society
    The @journal of physical chemistry 〈Washington, DC〉 78 (1974), S. 2512-2515 
    Details
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology , Physics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/j100617a018
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  • 2
    Electronic Resource
    Electronic Resource
    Comparison of various structural analyses for pitch fractions (1976)
    s.l. : American Chemical Society
    Analytical chemistry 48 (1976), S. 1637-1639 
    Details
    ISSN: 1520-6882
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ac50005a055
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  • 3
    Electronic Resource
    Electronic Resource
    A new route to the prostaglandin skeleton via radical alkylation. Synthesis of 6-oxoprostaglandin E1 (1988)
    s.l. : American Chemical Society
    Journal of the American Chemical Society 110 (1988), S. 4815-4817 
    Details
    ISSN: 1520-5126
    Source: ACS Legacy Archives
    Topics: Chemistry and Pharmacology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/ja00222a045
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  • 4
    Electronic Resource
    Electronic Resource
    Echographic Detection of Latent Severe Thrombotic Stenosis of the Superior Vena Cava and Innominate Vein in Patients with a Pacemaker: Integrated Diagnosis Using Sonography, Pulse Doppler, and Color Flow (1997)
    Oxford, UK : Blackwell Publishing Ltd
    Pacing and clinical electrophysiology 20 (1997), S. 0 
    Details
    ISSN: 1540-8159
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Medicine
    Notes: Thrombosis of the innominate vein and SVC is a serious complication in patients with pacemakers, inducing puhnonary embolism or SVC syndrome. Venography is the definitive method for its diagnosis; however, it is too invasive for related studies. The purpose of this study was to validate sonography, pulse Doppler, and color flow in detecting noninvasively innominate vein or SVC thrombosis in patients with pacemakers. In 53 patients with pacemakers, the 1 severe SVC stenosis and 18 severe innominate vein stenoses due to thrombosis were diagnosed by digital subtraction angiography. Sonography accurately showed the severe SVC stenosis due to thrombosis, but had limitations on the innominate vein thrombosis. Color flow demonstrated mosaic flow, indicating poststenotic turbulence due to stenosis of the innominate vein and SVC caused by thrombosis in 15 of 16 patients, and pulse Doppler disclosed absence of flow due to complete occlusion of the innominate vein in 2 of 2 patients. Sensitivity and specificity for detecting severe innominate vein stenosis due to thrombosis using combined color flow and pulse Doppler was 94% and 100%, respectively. In conclusion, sonography, pulse Doppler, and color flow allow accurate detection of severe innominate vein or SVC stenosis due to thrombosis, and are therefore useful for the follow-up of patients with a pacemaker.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1540-8159.1997.tb05498.x
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  • 5
    Electronic Resource
    Electronic Resource
    Sources of proline-nitrogen in water-stressed soybean (Glycine max). II. Fate of 15N-labelled protein (1984)
    Oxford, UK : Blackwell Publishing Ltd
    Physiologia plantarum 61 (1984), S. 0 
    Details
    ISSN: 1399-3054
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Biology
    Notes: The absorption of nitrate, protein metabolism and the source of nitrogen for proline synthesis were studied in soybean (Glycine max L. cv. Akisengoku) with 15N tracer technique under water stress conditions. The absorption of nitrate was sensitive to water stress and the flow of nitrate into the leaves completely ceased under severe stress conditions. Net protein loss from the water-stressed leaves was attributable to both a decrease in synthetic activity and a stimulation of protein degradation. Proline and asparagine accumulated extensively in the severely water-stressed plant tissues, especially in the younger green leaves. Fifty four % of the loss of leaf protein-15N during the stress period was balanced by a gain in 15N in the free amino acids, 41% being found in proline and asparagine. The increase in 15N content of the free proline was 3 times greater than the decrease in 15N content of the protein-bound proline in the leaf. The results indicate that the accumulation of proline in response to water stress was caused by enhanced synthesis and that the nitrogen source for this proline is the leaf protein. The possible association of these findings with stress tolerance is discussed.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1399-3054.1984.tb05180.x
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  • 6
    Electronic Resource
    Electronic Resource
    Nitrogen behavior in tropical wetland rice soils (1984)
    Springer
    Nutrient cycling in agroecosystems 5 (1984), S. 259-271 
    Details
    ISSN: 1573-0867
    Keywords: nitrogen transformation ; potentially mineralizable nitrogen ; soil fertility index ; soil organic nitrogen
    Source: Springer Online Journal Archives 1860-2000
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition
    Notes: Abstract Laboratory and greenhouse pot experiments show that tropical wetland rice soils are very diverse in the inherent fertility. The mineralization of native soil nitrogen differed among the soils studied. Air-drying and oven-drying of soils resulted in a large increase in nitrogen mineralized. The main source of mineralized N was the amino acid and amino sugar fractions. N uptake by rice was well correlated with N mineralized in incubation of air-dried soil which should reflect accurately the nitrogen-supplying capacities of tropical wetland rice soils during the growing season. However, plant uptake of available soil nitrogen was also correlated with total nitrogen content of soils, and it would appear that total soil nitrogen which is simple to determine is a satisfactory index of the N supplying capacities of tropical wetland rice soils. Exclusion of problem soils like acid sulfate soils improved the correlation.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01051624
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  • 7
    Electronic Resource
    Electronic Resource
    Carbon film from polyphenylene prepared by electrochemical polymerization (1989)
    Springer
    Journal of materials science 24 (1989), S. 3113-3117 
    Details
    ISSN: 1573-4803
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Notes: Abstract A carbon film was produced from polyphenylene (PP) film prepared by electrochemical polymerization of benzene to obtain a uniform and thin film. The PP film (∼10μm thick) was transformed into the carbon or graphite film without drastic changes of shape or size. The electrical conductivity of the film was remarkably enhanced by heat-treatment between 600 and 800° C, but further increase in the conductivity was not observed by treating at higher temperatures. This behaviour is considered to correlate with a poor degree of graphitization of the PP film. The carbonization and graphitization mechanisms of the film are discussed in connection with the structure of polyphenylene in the film.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01139028
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  • 8
    Electronic Resource
    Electronic Resource
    Vapour phase growth of vanadium-doped SnO2 needle crystals (1983)
    Springer
    Journal of materials science 2 (1983), S. 741-743 
    Details
    ISSN: 1573-4811
    Source: Springer Online Journal Archives 1860-2000
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00720547
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  • 9
    Electronic Resource
    Electronic Resource
    Progression of carotid atherosclerosis in Japanese patients with coronary artery disease (1994)
    Springer
    The international journal of angiology 3 (1994), S. 56-60 
    Details
    ISSN: 1615-5939
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract The authors investigated the relationship between the progression of carotid atherosclerosis and the severity of coronary artery disease (CAD). The two-year follow-ups of extracranial carotid atherosclerosis in 50 patients with CAD were evaluated by B-mode high-resolution ultrasonography. The summed maximal thickness of carotid plaques increased by 3.2 to 10.1 mm (mean 1.06 mm, SD 2.42 mm). The extent of coronary atherosclerosis (p〈0.02) and the serum total cholesterol level (p〈0.01) were different between the progressing group (n=20) and the nonprogressing group (n=25) with carotid atherosclerosis. Carotid disease progression was significantly higher in patients with three-vessel coronary disease than in those without significant coronary disease (p〈0.005). Age, serum triglyceride, high-density lipoprotein-cholesterol, pack-years of smoking, % smokers, % hypertensives, and % diabetics were not different between the two groups. It was concluded that the severity of CAD was one of the strong predictors for carotid disease progression in patients with CAD.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02014915
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  • 10
    Electronic Resource
    Electronic Resource
    The detection of technical failures in perfused heart with ischemia and reperfusion by epicardial NADH fluorescence (1990)
    Springer
    Heart and vessels 5 (1990), S. 193-197 
    Details
    ISSN: 1615-2573
    Keywords: NADH fluorescence ; Isolated heart perfusion ; Technical failures ; ischemia ; Reperfusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Summary This study documents the value of continuous observation of nicotinamide adenine dinucleotide (NADH) fluorescence (NADH-F). NADH-F monitoring is used to identify ischemic regions for the recognition of minor technical failures associated with ischemia and reperfusion experiments in the isolated perfused heart system. The visualization of NADH-F is possible by simply irradiating the heart with ultraviolet light. Rat hearts, in the working-heart mode, were subjected to occlusion/reperfusion of the left coronary artery, and analyzed. The perfusate was filtered through a 5 µm pore membrane. Out of 281 hearts which were judged to be free of technical failures by conventional physiological indices (heart rate 〉200/min, cardiac output 〉34 ml/min, and coronary flow 9–14 ml/min), 43 (15%) disclosed an abnormal NADH-F area prior to the coronary intervention. During coronary intervention, 29 technical failures were detected as indicated by sparse NADH-F distribution with occlusion, delayed disappearance of NADH-F upon reperfusion, or the exhibition of an abnormal NADH-F region unassociated with the coronary artery supply area. These technical failures are not detectable without the use of NADH-F, although the actual number of failures detected may depend on the skill of the operator. We recommend NADH-F monitoring for any preparations which do not contain hemoglobin, since NADH-F is an intrinsic probe for ischemia and is easily applicable to a variety of experiments.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02058689
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