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  • catecholamines  (16)
  • sex pheromone  (16)
  • transformation
  • Springer  (35)
  • American Association for the Advancement of Science
  • American Physical Society
  • International Union of Crystallography
  • 1980-1984  (33)
  • 1965-1969
  • 1955-1959  (2)
  • 1945-1949
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  • Springer  (35)
  • American Association for the Advancement of Science
  • American Physical Society
  • International Union of Crystallography
  • Wiley-Blackwell  (2)
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Effect of lithium hydroxybutyrate on the cortical and subcortical catecholamine level in the rabbit brain (1980)
    Springer
    Bulletin of experimental biology and medicine 90 (1980), S. 1388-1390 
    Details
    ISSN: 1573-8221
    Keywords: lithium hydroxybutyrate ; lithium chloride ; catecholamines ; brain
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00838812
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  • 2
    Electronic Resource
    Electronic Resource
    Structural and functional state of adrenergic innervation of terminal regions of the circulation in experimental hypercholesteremia (1982)
    Springer
    Bulletin of experimental biology and medicine 94 (1982), S. 1738-1742 
    Details
    ISSN: 1573-8221
    Keywords: experimental hypercholesteremia ; microcirculation ; adrenergic innervation of microvessels ; catecholamines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00838927
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  • 3
    Electronic Resource
    Electronic Resource
    Adrenergic structures and monoamine oxidase activity in dystrophic skeletal muscles (1984)
    Springer
    Bulletin of experimental biology and medicine 97 (1984), S. 721-723 
    Details
    ISSN: 1573-8221
    Keywords: muscular dystrophies ; adrenergic structures ; catecholamines ; mitochondria ; monoamine oxidase
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Medicine
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00804153
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  • 4
    Electronic Resource
    Electronic Resource
    Response ofDiabrotica virgifera virgifera, D. v. Zeae, andD. porracea to stereoisomers of 8-methyl-2-decyl propanoate (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 1123-1131 
    Details
    ISSN: 1573-1561
    Keywords: Coleoptera ; Chrysomelidae ; Diabrotica ; western corn rootworm ; Mexican corn rootworm ; sex pheromone ; stereospecificity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The four stereoisomers of 8-methyl-2-decyl propanoate were tested in the United States and Mexico for attractiveness toDiabrotica virgifera virgifera LeConte, the western corn rootworm,D. v. zeae Krysan and Smith, the Mexican corn rootworm, andD. porracea Harold. Males ofD. v. virgifera andD. v. zeae responded strongly to the (2R,8R)-isomer and secondarily to (2S,8R), whileD. ponacea responded exclusively to the (2S,8R)-isomer. The (2S,8S)- and (2R,8S)-isomers were inactive in all tests. Synergism or inhibition was not detected when various mixtures of the isomers were tested withD. v. virgifera. These phenomena were not tested withD. v. zeae andD. ponacea.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987518
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  • 5
    Electronic Resource
    Electronic Resource
    Sex pheromone of the avocado pest,Amorbia cuneana (Walsingham) (Lepidoptera: Tortricidae) (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 255-265 
    Details
    ISSN: 1573-1561
    Keywords: Western avocado leafroller ; Amorbia cuneana ; sex pheromone ; Tortricidae ; (E,E)- and (E,Z)-10,12-tetradecadien-1-ol acetate ; Lepidoptera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The major volatile components in the extract of the female sex pheromone gland ofAmorbia cuneana consisted of (E,E)- and (E,Z)-10,12-tetradecadien-1-ol acetates. The identification was based on electroantennogram bioassay of gas Chromatographic effluent from sex pheromone gland extract, relative retention times on polar and nonpolar gas chromatographic columns, chemical degradation (ozonolysis, saponification), mass spectrometry, chemical synthetic methods, and field tests. Based on mass spectrometry and retention times by capillary gas chromatography, traces of (E)-10-tetradecen-1-ol acetate and 1-tetradecanol acetate were also present in the extract. Traps baited with a combination of synthetic (E,E)- and (E,Z)-10,12-tetradecadien-1-ol acetates caught more males than did traps baited with females.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00984021
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  • 6
    Electronic Resource
    Electronic Resource
    Chemistry and field evaluation of the sex pheromone of western spruce budworm,Choristoneura occidentalis, Freeman (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 339-350 
    Details
    ISSN: 1573-1561
    Keywords: Western spruce budworm ; Choristoneura occidentalis ; sex pheromone ; attractants ; moth behavior ; chemical identification
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Chemical analyses and field bioassays showed a mixture of 92% (E)- and 8% (Z)-11-tetradecenal to be the sex attractant pheromone of the western spruce budworm,Choristoneura occidentalis Freeman. Females were also found to emit small amounts of the corresponding acetates and alcohols, but these components were not active in the bioassay. In contrast, in whole female tip extracts, (E)-11-tetradecenyl acetate predominates, and aldehyde pheromone components are present in lesser quantities, suggesting that final biosynthesis of pheromone takes place just prior to or during emission. At release rates approximating that of the female (2–4 ng/hr), a 92∶8E∶Z blend of the synthetic aldehydes was at least as attractive as live females. Addition of the corresponding acetates or alcohols up to 50% of the aldehyde content did not significantly enhance or inhibit attraction. No major differences were apparent in pheromone production of females from a laboratory stock or from field collections from diverse geographic locations ranging from Colorado to British Columbia.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987782
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  • 7
    Electronic Resource
    Electronic Resource
    Sex pheromone of a conifer-feeding budworm,Choristoneura retiniana, Walsingham (1984)
    Springer
    Journal of chemical ecology 10 (1984), S. 153-160 
    Details
    ISSN: 1573-1561
    Keywords: Choristoneura retiniana ; Lepidoptera ; Tortricidae ; sex pheromone ; sex attractant ; forset insects ; Tortricidae ; insect behavior ; E- andZ-11-tetradecenyl acetates ; E- andZ-11-tetradecenol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Sex pheromone components collected from femaleChristoneura retiniana included 11-tetradecenyl acetates and alcohols. The major component wasE-11-tetradecenyl acetate (E11–14∶Ac) with a lesser amount ofZ isomer necessary to induce male response. A 92∶8 ratio ofE,Z11–14∶ Ac appeared optimal. The alcohol component was present at about 10% of the total pheromone mixture, and traps baited with acetates plus alcohol surpassed unmated females in their degree of attractiveness. Chemical analysis indicated a 9∶:1 ratio of theE — Z isomers of 11-tetradecenyl alcohol (11–14∶ol) pheromone components, although bait formulations containing a predominance of either theE orZ isomers were equally successful in field bioassays. Based on male response to traps,E- andZ11–14∶Ac (92∶8E — Z) are essential pheromone components for long-range sex attraction. The 11–14∶ ol enhanced attraction when added at 10% of the total pheromone blend.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987652
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  • 8
    Electronic Resource
    Electronic Resource
    Withdrawal of guanfacine after long-term treatment in essential hypertension (1981)
    Springer
    European journal of clinical pharmacology 19 (1981), S. 19-24 
    Details
    ISSN: 1432-1041
    Keywords: hypertension ; guanfacine ; central antihypertensives ; withdrawal ; catecholamines
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary 1. Guanfacine (2–6 mg/day) a centrally acting antihypertensive drug, was effective in controlling blood pressure in 5 essential hypertensives and lowered plasma noradrenaline and urinary catecholamine excretion. 2. Withdrawal of guanfacine by blind substitution of identical placebo tablets under observation in hospital led to a gradual recovery of blood pressure over 2–4 days. 3. Salivary flow, which was reduced on guanfacine, returned to pretreatment levels by 2 days after withdrawal and significantly exceeded control for the next two days. 4. Urinary catecholamine excretion returned to pretreatment levels by 3 days but did not exceed control levels during the period of study. 5. Plasma noradrenaline returned gradually to pretreatment levels, and by day 4 significantly exceeded them. 6. No patient experienced symptoms suggesting catecholamine excess although four out of five reported a headache from the second day onwards. 7. Guanfacine, a centrally acting drug which pharmacologically resembles clonidine, has a slow offset of hypotensive effect over 2–3 days. Symptoms or biochemical evidence of catecholamine excess were not encountered within 48 h of withdrawal, possibly reflecting the longer duration of action and plasma half-life of guanfacine.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00558376
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  • 9
    Electronic Resource
    Electronic Resource
    Acute effects of prizidilol on blood pressure, heart rate, catecholamines, renin and aldosterone in essential hypertension (1982)
    Springer
    European journal of clinical pharmacology 23 (1982), S. 289-296 
    Details
    ISSN: 1432-1041
    Keywords: prizidilol ; vasodilator ; hypertension ; beta blocker ; plasma renin ; aldosterone ; catecholamines ; acetylator type
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary Prizidilol is a new antihypertensive agent reported to possess combined precapillary vasodilator and betareceptor-blocking properties. To clarify the profile of the acute effects of prizidilol in man, a variable dose study was performed in 8 patients with benign essential hypertension. Blood pressure, heart rate, plasma renin activity, aldosterone, plasma and urinary catecholamines and electrolytes were determined at short intervals before and up to 23 h after oral administration of placebo and prizidilol 150, 300 and 600 mg. The 4 studies were performed at weekly intervals according to a Latin square design. Prizidilol produced dose-dependent decreases in supine and upright blood pressure, with an initial change after about 2 h and maximal effects from 4 to 8 h after drug ingestion. Following a high dose of prizidilol, supine mean blood pressure (average 128 mmHg prior to treatment) was normalised (〈107 mmHg) from 3 to 7 h and was still below predose levels 23 h after ingestion. The only reported side effects were postural dizziness in 2 cases (corresponding to a fall in systolic upright blood pressure to 〈95 mmHg) and headache in one case. A biphasic variation in heart rate and plasma renin activity, with an early drop and a subsequent tendency to a slight rise, was observed after an intermediate or high dose of prizidilol. Plasma norepinephrine levels were increased by a high dose of prizidilol, while plasma epinephrine, aldosterone and plasma and urinary electrolytes were not consistently changed. Prizidilol in a single oral dose appeared to be a potent antihypertensive agent. The profile of heart rate and plasma renin point to early dominance of beta-blockade followed by appearance of the concomitant vasodilator properties of prizidilol.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00613608
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  • 10
    Electronic Resource
    Electronic Resource
    Role of various vasodepressor systems in the acute hypotensive effect of captopril in man (1981)
    Springer
    European journal of clinical pharmacology 20 (1981), S. 1-8 
    Details
    ISSN: 1432-1041
    Keywords: hypertension ; captopril ; angiotensin ; renin ; aldosterone ; catecholamines ; prostaglandins ; kininase II ; hypotensive action
    Source: Springer Online Journal Archives 1860-2000
    Topics: Chemistry and Pharmacology , Medicine
    Notes: Summary The acute hypotensive effect of captopril 25 mg was investigated in 26 hypertensive patients (11 with essential and 15 with renal arterial disease). Intra-arterial blood pressure was recorded continuously and arterial blood was sampled for renin, angiotensin I and II, aldosterone, kininase II, catecholamines and prostaglandins. Captopril led to an increase in plasma renin activity, active and total plasma renin concentration and angiotensin I, a decrease in plasma kininase II activity, angiotensin II, aldosterone, prostaglandins E2 and F2* and no change in plasma (nor)adrenaline, dopamine and inactive renin concentration. The hypotensive effect of captopril was related to the changes in plasma angiotensin II level and inversely to the change in prostaglandin E2; the correlation coefficients were low, respectively 0.61 and −0.44. It is likely that the acute hypotensive effect of captopril to some extent is related to changes in plasma angiotensin II and in prostaglandins E2 and F2*. There is no evidence for a role of the adrenergic systems in the hypotensive response.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00554659
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