Zobrazeno 1 - 10
of 184
pro vyhledávání: '"H. J. Schümann"'
Autor:
H. J. Schümann
Publikováno v:
Ciba Foundation Symposium-Adrenergic Mechanisms
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::c737536c3e288f50da43c19f7be4bc3c
https://doi.org/10.1002/9780470719206.ch2
https://doi.org/10.1002/9780470719206.ch2
Autor:
G.J. Molderings, H.-J. Schümann
Publikováno v:
Pharmacology. 39:373-382
In guinea-pig aorta phenylephrine and noradrenaline induced concentration-dependent contractions when beta-adrenoceptors were blocked. The contractile response to phenylephrine was amplified by previous application of subthreshold concentrations of 5
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::bb0dc8bd17a96ed63553418b9ff804e3
https://doi.org/10.1159/000138625
https://doi.org/10.1159/000138625
Publikováno v:
Naunyn-Schmiedeberg's Archives of Pharmacology. 302:333-336
In isolated, electrically driven right auricular strips of the human heart the inotropic effect of phenylephrine was studied. 1. First, the influence of the driving rate on the tension developed (i.e., the frequency-force relationship) was determined
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c989de24e90699c6b979b16792ba9249
https://doi.org/10.1007/bf00508304
https://doi.org/10.1007/bf00508304
Publikováno v:
Naunyn-Schmiedeberg's Archives of Pharmacology. 318:330-335
The influence of sympathomimetic α- and β-agonists on calcium-dependent slow action potential (SAP) and force of contraction were analyzed in the partially depolarized rabbit papillary muscle. 1. The effects of phenylephrine (3×10−6 mol/l) on SA
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::aa1ed0cca34ebde6595ec907b1555639
https://doi.org/10.1007/bf00501173
https://doi.org/10.1007/bf00501173
Publikováno v:
Naunyn-Schmiedeberg's Archives of Pharmacology. 287:61-72
On the isolated rabbit papillary muscle experiments were carried out to determine whether the positive inotropic effects mediated by α- and by β-adrenoceptors are brought about by different mechanisms or not.—For this reason the influence of temp
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::fd89e957e77447d0c60528bf077ecf31
https://doi.org/10.1007/bf00632638
https://doi.org/10.1007/bf00632638
Autor:
H. J. Schümann, M. Endoh
Publikováno v:
Naunyn-Schmiedeberg's Archives of Pharmacology. 287:377-389
Under the conditions of different stimulation frequencies the inotropic effects of the α-adrenoceptor stimulating agents, methoxamine, naphazoline and oxymetazoline were studied on the isolated rabbit papillary muscle. 1. On the papillary muscle sti
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::64c3463345e8e5fe7952aeb492309440
https://doi.org/10.1007/bf00500039
https://doi.org/10.1007/bf00500039
Publikováno v:
Naunyn-Schmiedeberg's Archives of Pharmacology. 315:85-88
The beta-sympathomimetic effect of prenalterol was investigated on the electrically driven left atrium as well as on the tracheal chain of the guinea pig. 1. On the atrium driven at 2 Hz prenalterol caused a positive inotropic effect with a pD2-value
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::9afe622157fb52fc5874295c186420cf
https://doi.org/10.1007/bf00504235
https://doi.org/10.1007/bf00504235
Publikováno v:
Agents and Actions. 4:217-221
The histamine blocking properties of burimamide and promethazine were determined on heart rate and contractility of the right and left atrium of the guinea-pig. (1) The positive chronotropic effect in spontaneously beating guinea-pig atria was compet
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::4d3b0010491ea23ce6f6fe1602c83dac
https://doi.org/10.1007/bf01965222
https://doi.org/10.1007/bf01965222
Publikováno v:
Agents and Actions. 7:1-12
On guinea-pig heart we investigated whether cyclic AMP serves as a messenger for H1 - and/or H2-mediated responses to histamine. (1) On papillary muscle histamine elicited positive inotropic responses which were antagonized by burimamide but not by p
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::3adc3ae2573c3031375ceb233c5177e8
https://doi.org/10.1007/bf01964874
https://doi.org/10.1007/bf01964874