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  • 1
    Electronic Resource
    Electronic Resource
    Gas chromatography-olfactometry of orange juice to assess the effects of plastic polymers on aroma character (1992)
    s.l. : American Chemical Society
    Journal of agricultural and food chemistry 40 (1992), S. 650-654 
    Details
    ISSN: 1520-5118
    Source: ACS Legacy Archives
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1021/jf00016a026
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  • 2
    Electronic Resource
    Electronic Resource
    Mössbauer Study of Phase Transformation in an Al-Rich Al-Fe Alloy (1987)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 13-14 (Jan. 1987), p. 313-318 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/59/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.13-14.313.pdf
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  • 3
    Electronic Resource
    Electronic Resource
    Mössbauer Investigation of Al-Fe-Si Phases in Aluminium (1987)
    s.l. ; Stafa-Zurich, Switzerland
    Materials science forum Vol. 13-14 (Jan. 1987), p. 319-324 
    Details
    ISSN: 1662-9752
    Source: Scientific.Net: Materials Science & Technology / Trans Tech Publications Archiv 1984-2008
    Topics: Mechanical Engineering, Materials Science, Production Engineering, Mining and Metallurgy, Traffic Engineering, Precision Mechanics
    Type of Medium: Electronic Resource
    URL: http://www.tib-hannover.de/fulltexts/2011/0528/01/59/transtech_doi~10.4028%252Fwww.scientific.net%252FMSF.13-14.319.pdf
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  • 4
    Electronic Resource
    Electronic Resource
    Cardiac release of histamine after ventricular fibrillation and defibrillation during insertion of implantable cardioverter defibrillators (ICD) (1995)
    Springer
    Inflammation research 44 (1995), S. 499-503 
    Details
    ISSN: 1420-908X
    Keywords: Histamine ; Hypoperfusion ; Implantable defibrillators ; Ventricular fibrillation
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Histamine has inotropic, chronotropic, arrhythmogenic, and vasoactive effects, and is released from the heart in ischaemia-reperfusion injury. The effect of ventricular fibrillation (VF) and defibrillation (DEF) on histamine release was investigated in 9 anaesthetized patients undergoing transvenous implantation of ICD. Concomitant arterial and coronary sinus (CS) blood samples were drawn before induction of VF (duration 20 seconds), immediately after, and 2 and 5min after DEF (18–24 Joules). Basal arterial histamine was 2.5±6nmol/1, and did not increase after VF. The histamine level in CS was 1.1±0.2nmol/1 before VF (p 〈 0.008 compared to arterial), and increased to 2.5 ± 0.6 nmol/1 immediately after (p 〈 0.045 compared to basal), to 3 ± 1.1 nmol/1 2 min after (p 〈 0.45), and to 2.4 ± 0.8 nmol/1 5min after VF. In the basal state there was an uptake of histamine across the coronary circulation. After VF/DEF the level of histamine increased in coronary venous blood, suggesting cardiac release of histamine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01837917
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  • 5
    Electronic Resource
    Electronic Resource
    Mast cell degranulation prior to ischemia decreases ischemia-reperfusion injury in the canine small intestine (1999)
    Springer
    Inflammation research 48 (1999), S. 193-198 
    Details
    ISSN: 1420-908X
    Keywords: Key words: Histamine — Vascular resistance — Intramucosal pH — Histidine decarboxylase — Arterial occlusion — Mucosal damage
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract. Objective: To determine the impact of previous mast cell degranulation on intestinal ischemia-reperfusion-induced mucosal damaged.¶Materials: The hemodynamic and morphological consequences of complete arterial occlusion were evaluated in anesthetized dogs. The mast cell degranulator Cremophor-El (n=5) and Compound 48/80 (n=5) were used to investigate the involvement of gastrointestinal mast cells in ischemia-reperfusion-induced tissue reactions. Seven dogs subjected to complete segmental arterial occlusion served as controls. Intestinal biopsies taken at the end of 120-min ischemia and after 120 min of reperfusion were evaluated histologically.¶Methods: The number of mast cells was determined and the degree of mucosal damage was evaluated according to the 5 grade Chiu scale. Mucosal histidine decarboxylase activity was measured in tissue samples and the rate of release of histamine was determined from the venous effluent of the ileal segment.¶Results: In the control group, 120-min reperfusion significantly increased the plasma histamine level, and induced a severe tissue injury. In the compound 48/80 and Cremophor-El-pretreated groups, the reduction in the baseline number of mast cells in the villi was 37 % and 53 %, respectively, and the ischemia-reperfusion-induced release of histamine was significantly decreased. In these groups, the basal mucosal histidine decarboxylase activity was significantly increased and the degree of damage of the intestinal mucosa was significantly reduced.¶Conclusion: It is proposed that mast cell degranulation prior to ischemia may induce a potentially protective mechanism in the small bowel mucosa and decreases ischemia-reperfusion injury in the dog.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/s000110050445
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  • 6
    Electronic Resource
    Electronic Resource
    Activity of histamine metabolizing and catabolizing enzymes during reperfusion of isolated, globally ischemic rat hearts (1996)
    Springer
    Inflammation research 45 (1996), S. 145-149 
    Details
    ISSN: 1420-908X
    Keywords: Histamine ; Histidine decarboxylase ; Diamine oxidase ; Histamine N-methyl transferase ; Ischemia-reperfusion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Myocardial ischemia-reperfusion injury increases both tissue levels and release of histamine. To study the possible effects of ischemia-reperfusion on histamine metabolism tissue activities of histidine decarboxylase (HDC), histamine N-methyl transferase (HNMT) and diamine oxidase (DAO) were investigated in isolated rat hearts subjected to either 20 min global ischemia and 40 min reperfusion (n=10) or control perfusion (n=8). Histamine in the coronary effluent increased from 21±4 nmol/min (mean ± SEM) before ischemia to 55±5 and 50±7 nmol/min after 4 and 10 min reperfusion (p〈0.004 and p〈0.004). Tissue HDC activity did not change during observation in any group. HNMT activity was unchanged in controls, but increased from 0.37±0.04 to 0.84±0.18 and 0.96±0.22 pmol methlylhistamine/mg protein hour after 4 and 10 min reperfusion (p〈0.008 and p〈0.01). DAO decreased similarily in controls and ischemic-reperfused hearts during observation. In conclusion, the previously observed increase of tissue histamine during reperfusion cannot be explained by increased histamine synthesis or decreased histamine catabolism.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02265169
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  • 7
    Electronic Resource
    Electronic Resource
    Release of histamine from isolated rat hearts during reperfusion is not dependent on length of ischemic insult, or contents of histamine in cardiac tissue (1993)
    Springer
    Inflammation research 40 (1993), S. 37-43 
    Details
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Notes: Abstract Release of histamine (H) by ischemia-reperfusion injury was investigated in isolated rat hearts (Langendorff model). The effect of 10, 15, 20, 25, 30, 40 and 60 min ischemia (n=10 each) on H in the coronary effluent and in cardiac tissue was studied after 4 min reperfusion. Release of creatine kinase and lactate dehydrogenase in the coronary effluent increased with time of ischemia. Tissue H increased from 95±10 ng/g rat heart (mean±SEM) before ischemia to max 148±10 ng/g after 20 min ischemia (p〈0.002), and increased also after 15 (p〈0.01), 25 (p〈0.01), 25 (p〈0.01), and 30 min (p〈0.045). H in the coronary effluent increased after 15 (from 16±3 to 26±2 pmol/min,p〈0.044), 30 (26±6 pmol/min,p〈0.027), and 60 min ischemia (47±6 pmol/min,p〈0.0044). Release of H during ischemia-reperfusion is neither dependent on the severity of the ischemic insult, nor on the level of tissue H.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01976749
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  • 8
    Electronic Resource
    Electronic Resource
    In vitro study of endothelium-dependent histamine release from canine mesenteric arterial segments (1995)
    Springer
    Inflammation research 44 (1995), S. S24 
    Details
    ISSN: 1420-908X
    Source: Springer Online Journal Archives 1860-2000
    Topics: Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01674378
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  • 9
    Electronic Resource
    Electronic Resource
    Formation of 4-Vinyl Guaiacol in Adversely Stored Orange Juice as Measured by an Improved HPLC Method (1990)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 55 (1990), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: 4-Vinyl guaiacol, a potent off-flavor compound in orange juice, was isolated by using a C-18 cartridge and analyzed by high performance liquid chromatography (HPLC) with fluorescence detection. The new HPLC method possessed a sensitivity of 10 ppb for 4-vinyl guaiacol and was at least 5 to 10 times more sensitive than previously reported gas-liquid chromatographic procedures. Storage of bottled orange juice for 18 wk yielded the following 4-vinyl guaiacol levels: 42 μg/L (20°C), 223 μ/L (30°C), and 778 μg/L (40°C). Concentration of 4-vinyl guaiacol increased with storage time at all storage temperatures; however, a noticeable decrease occurred after extended storage at 50°C.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1990.tb06042.x
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  • 10
    Electronic Resource
    Electronic Resource
    Composition of Some Organic and Inorganic Compounds in Reverse Osmosis-Concentrated Citrus Juices (1988)
    Oxford, UK : Blackwell Publishing Ltd
    Journal of food science 53 (1988), S. 0 
    Details
    ISSN: 1750-3841
    Source: Blackwell Publishing Journal Backfiles 1879-2005
    Topics: Agriculture, Forestry, Horticulture, Fishery, Domestic Science, Nutrition , Process Engineering, Biotechnology, Nutrition Technology
    Notes: Orange, grapefruit and lemon juices were concentrated over twofold in a pilot scale reverse osmosis (RO) process using a commercially available membrane system. Major sugars, acids, vitamin C, aroma volatiles and over 20 minerals were examined in feed, concentrate and permeate streams. Typically, 15–20 aroma compounds were identified in feed juices and concentrates. Compared with less volatile compounds (e.g., ethyl butyrate, limonene), poorer retention during processing was noted for more volatile molecules (methanol, acetaldehyde, ethanol). °Brix of membrane concentrates were orange (25.3°B), grapefruit (25.1°B) and lemon (22.5°B). Vitamin C was rejected efficiently by the membrane. Mineral analyses showed similar elemental contents in feed and concentrate and insignificant concentration in permeate streams.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1111/j.1365-2621.1988.tb07743.x
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