Zobrazeno 1 - 10
of 36
pro vyhledávání: '"L L, Hefner"'
Publikováno v:
Cardiovascular Research. 28:40-46
Objective: The aims were (1) to measure simultaneously and on a beat to beat basis intracellular calcium concentration ([Ca2+]i) transients and force transients in isolated ferret cardiac trabeculae; (2) to obtain and compare independent estimates of
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c0ed30645f1187be957b677770a34a96
https://doi.org/10.1093/cvr/28.1.40
https://doi.org/10.1093/cvr/28.1.40
Publikováno v:
The Journal of Thoracic and Cardiovascular Surgery. 105:1114-1116
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::33a9217ebcdd98925e691e030b4a916b
https://doi.org/10.1016/s0022-5223(19)33786-9
https://doi.org/10.1016/s0022-5223(19)33786-9
Publikováno v:
The American journal of physiology. 265(6 Pt 1)
This communication reports the development of a modified procedure for chemical loading of aequorin in small multicellular cardiac preparations, with special emphasis directed toward the implementation of a new method for computer-controlled low-phot
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::981827b9538a1f10722cd13f13918885
https://pubmed.ncbi.nlm.nih.gov/8279531
https://pubmed.ncbi.nlm.nih.gov/8279531
Publikováno v:
The Journal of thoracic and cardiovascular surgery. 105(6)
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=pmid________::86e3f98ae294bda31862262e04fb7063
https://pubmed.ncbi.nlm.nih.gov/8501939
https://pubmed.ncbi.nlm.nih.gov/8501939
Publikováno v:
Canadian journal of physiology and pharmacology. 68(8)
Potentiated contractions were evoked with a rapid pace pause maneuver in 14 length-clamped ferret papillary muscles paced 12 times/min at 25 °C. At 1.25 mM [Ca2+]o the average steady-state force was 2.94 ± 1.08 g/mm2 and the potentiated contraction
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::4845b0c3af5630be0a68863d8e64520f
https://pubmed.ncbi.nlm.nih.gov/1697217
https://pubmed.ncbi.nlm.nih.gov/1697217
Publikováno v:
Circulation Research. 65:1270-1282
Extent, time course, and underlying mechanisms of the negative inotropic effect of ryanodine were examined in 22 length-clamped ferret right ventricular papillary muscles paced 12/min at 25 degrees C. After 60 minutes of exposure to 5 microM ryanodin
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::49bc0c654af835c29e68b4c2e2c39815
https://doi.org/10.1161/01.res.65.5.1270
https://doi.org/10.1161/01.res.65.5.1270
Publikováno v:
American Journal of Physiology-Legacy Content. 230:419-426
To assess in the intact ventricle the steady-state influence of several mechanical variables on the extent of left ventricular midwall circumferential shortening, a pressure servo system was utilized in isolated canine hearts. The system permits cont
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::fc39642fa53f0c799dbcb913fea13cba
https://doi.org/10.1152/ajplegacy.1976.230.2.419
https://doi.org/10.1152/ajplegacy.1976.230.2.419
Publikováno v:
American Journal of Physiology-Heart and Circulatory Physiology. 238:H14-H23
The mechanical characteristics of the central segment of isolated cat papillary muscle were determined with recently developed equipment. Two small sharpened stainless steel pins, inserted transversely through the muscle, were used to mark the ends o
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ca86e8176fc558f68065eb0d465ed29e
https://doi.org/10.1152/ajpheart.1980.238.1.h14
https://doi.org/10.1152/ajpheart.1980.238.1.h14
Publikováno v:
Japanese Circulation Journal. 43:547-569
The ultrastucture of the myotendinous junction (MTJ) of the cardiac papillary muscle was studied in cat and bat. In both species findings were similar for either ventricle. Toward the tip of the papillary muscle, myocytes are oriented in parallel arr
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::346a7ba393fb06ff4bca8bc9b0a06fd1
https://doi.org/10.1253/jcj.43.547
https://doi.org/10.1253/jcj.43.547
Publikováno v:
Circulation Research. 11:654-663
An investigation of the relationship in the dog between left ventricular pressure, left ventricular size, and total longitudinal force developed by the wall of the left ventricle is reported. This study required the development of a method for record
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_dedup___::2039aa1105e1c8c146619c8fd9546c7d
https://doi.org/10.1161/01.res.11.4.654
https://doi.org/10.1161/01.res.11.4.654