| Year |
Citation |
Score |
| 2015 |
Chapman RA, Léoty C. The time-dependent and dose-dependent effects of caffeine on the contraction of the ferret heart. The Journal of Physiology. 256: 287-314. PMID 16992504 DOI: 10.1113/jphysiol.1976.sp011326 |
0.48 |
|
| 1999 |
Ban K, Handa S, Chapman RA. On the mechanism of the failure of mitochondrial function in isolated guinea-pig myocytes subjected to a Ca2+ overload. Cardiovascular Research. 44: 556-67. PMID 10690288 DOI: 10.1016/S0008-6363(99)00233-3 |
0.341 |
|
| 1999 |
Chapman RA, AlabovskiÄ VV, Vinokurov AA. [Dependence of the protective effect of the elevated sodium level on the type of oxidative substrate in the isolated heart during "calcium paradox"]. RossiäSkii Fiziologicheskiä Zhurnal Imeni I.M. Sechenova / RossiäSkaia Akademiia Nauk. 85: 1409-14. PMID 10687173 |
0.416 |
|
| 1996 |
Chatamra KR, Chapman RA. The effects of sodium-calcium exchange inhibitors on protein loss associated with the calcium paradox of the isolated Langendorff perfused guinea-pig heart. Experimental Physiology. 81: 203-10. PMID 8845135 |
0.373 |
|
| 1995 |
Allen TJ, Chapman RA. The effect of a chemical phosphatase on single calcium channels and the inactivation of whole-cell calcium current from isolated guinea-pig ventricular myocytes. Pflã¼Gers Archiv : European Journal of Physiology. 430: 68-80. PMID 7545282 |
0.315 |
|
| 1994 |
Tunstall J, Chapman RA. The effect of ryanodine on the contraction of isolated frog atrial trabeculae is triggered by caffeine. Experimental Physiology. 79: 435-44. PMID 8074856 |
0.697 |
|
| 1994 |
Minezaki KK, Suleiman MS, Chapman RA. Changes in mitochondrial function induced in isolated guinea-pig ventricular myocytes by calcium overload. The Journal of Physiology. 476: 459-71. PMID 8057254 |
0.564 |
|
| 1994 |
Suleiman MS, Minezaki KK, Ban K, Chapman RA. A phospholipase A2 inhibitor (Ro 31-4493) prevents protein loss associated with the calcium paradox in isolated guinea pig hearts without effect on contracture, calcium overload, or the currents through L-type calcium channels. Cardiovascular Research. 28: 650-5. PMID 8025908 DOI: 10.1093/cvrese/28.5.650 |
0.649 |
|
| 1993 |
Suleiman MS, Fernando HC, Dihmis WC, Hutter JA, Chapman RA. A loss of taurine and other amino acids from ventricles of patients undergoing bypass surgery. British Heart Journal. 69: 241-5. PMID 8461223 |
0.494 |
|
| 1993 |
Minezaki KK, Chapman RA. The role of the sodium pump and sodium-calcium exchange in recovery from calcium overload in guinea-pig ventricular myocytes. Experimental Physiology. 78: 545-8. PMID 8398108 |
0.492 |
|
| 1993 |
Suleiman MS, Chapman RA. Calcium paradox in newborn and adult guinea-pig hearts: changes in intracellular taurine and the effects of extracellular magnesium. Experimental Physiology. 78: 503-16. PMID 8398104 |
0.592 |
|
| 1993 |
Chapman RA. The effect of oximes on the dihydropyridine-sensitive Ca current of isolated guinea-pig ventricular myocytes. Pflã¼Gers Archiv : European Journal of Physiology. 422: 325-31. PMID 8382362 |
0.357 |
|
| 1993 |
Suleiman MS, Chapman RA. Changes in the principal free intracellular amino acids in the Langendorff perfused guinea pig heart during arrest with calcium-free or high potassium media. Cardiovascular Research. 27: 1810-4. PMID 8275528 |
0.566 |
|
| 1993 |
Chapman RA, Suleiman MS, Earm YE. Taurine and the heart. Cardiovascular Research. 27: 358-63. PMID 7683972 |
0.51 |
|
| 1992 |
Suleiman MS, Rodrigo GC, Chapman RA. Interdependence of intracellular taurine and sodium in guinea pig heart. Cardiovascular Research. 26: 897-905. PMID 1451167 |
0.624 |
|
| 1991 |
Rodrigo GC, Chapman RA. The calcium paradox in isolated guinea-pig ventricular myocytes: effects of membrane potential and intracellular sodium. The Journal of Physiology. 434: 627-45. PMID 2023134 |
0.491 |
|
| 1991 |
Chapman RA, Suleiman MS, Rodrigo GC, Tunstall J. The calcium paradox: a role for [Na]i, a cellular or tissue basis, a property unique to the Langendorff perfused heart? A bundle of contradictions! Journal of Molecular and Cellular Cardiology. 23: 773-7. PMID 1942089 DOI: 10.1016/0022-2828(91)90987-W |
0.711 |
|
| 1991 |
Meliones JN, Moler FW, Custer JR, Snyder SJ, Dekeon MK, Donn SM, Chapman RA, Bartlett RH. Hemodynamic instability after the initiation of extracorporeal membrane oxygenation: role of ionized calcium. Critical Care Medicine. 19: 1247-51. PMID 1914481 DOI: 10.1097/00003246-199110000-00006 |
0.304 |
|
| 1991 |
CHAPMAN R. Intracellular taurine and the regulation of intracellular sodium during calcium depletion in the guinea-pig heart Journal of Molecular and Cellular Cardiology. 23: S153. DOI: 10.1016/0022-2828(91)90922-9 |
0.435 |
|
| 1990 |
Bhojani IH, Chapman RA. The effects of bathing sodium ions upon the intracellular sodium activity in calcium-free media and the calcium paradox of isolated ferret ventricular muscle. Journal of Molecular and Cellular Cardiology. 22: 507-22. PMID 2388280 |
0.342 |
|
| 1990 |
Rodrigo GC, Chapman RA. A sodium-activated potassium current in intact ventricular myocytes isolated from the guinea-pig heart. Experimental Physiology. 75: 839-42. PMID 2271161 |
0.313 |
|
| 1990 |
Suleiman MS, Chapman RA. Effect of temperature on the rise in intracellular sodium caused by calcium depletion in ferret ventricular muscle and the mechanism of the alleviation of the calcium paradox by hypothermia. Circulation Research. 67: 1238-46. PMID 2171805 |
0.568 |
|
| 1990 |
Chapman Ra. A rise in intracellular sodium would seem to predispose the heart to the calcium paradox. Journal of Molecular and Cellular Cardiology. 22: 503-5. PMID 2167385 |
0.428 |
|
| 1988 |
CHAPMAN RA. Role of the sodium-calcium exchange in the Bowditch effect Cardiovascular Research. 22: 592-593. DOI: 10.1093/cvr/22.8.592 |
0.308 |
|
| 1987 |
Chapman RA, Rodrigo GC. The negative inotropic effect of raised extracellular potassium and caesium ions on isolated frog atrial trabeculae. Quarterly Journal of Experimental Physiology (Cambridge, England). 72: 561-70. PMID 3423202 |
0.365 |
|
| 1987 |
Chapman RA, Tunstall J. The calcium paradox of the heart. Progress in Biophysics and Molecular Biology. 50: 67-96. PMID 2457229 DOI: 10.1016/0079-6107(87)90004-6 |
0.658 |
|
| 1987 |
Chapman RA. Calcium channels, the sodium-calcium exchange and intracellular sodium in the predisposition of the heart to the calcium paradox. Biomedica Biochimica Acta. 46: S512-6. PMID 2449190 |
0.427 |
|
| 1986 |
Chapman RA, Fozzard HA, Friedlander IR, January CT. Effects of Ca2+/Mg2+ removal on aiNa, aiK, and tension in cardiac Purkinje fibers. The American Journal of Physiology. 251: C920-7. PMID 3789132 DOI: 10.1152/Ajpcell.1986.251.6.C920 |
0.42 |
|
| 1986 |
Chapman RA, Rodrigo GC. The dependence of the strength of sodium-depletion contractures of isolated frog atrial trabeculae on the membrane potential. Quarterly Journal of Experimental Physiology (Cambridge, England). 71: 675-87. PMID 3786664 |
0.357 |
|
| 1986 |
Chapman RA. Sodium/calcium exchange and intracellular calcium buffering in ferret myocardium: an ion-sensitive micro-electrode study. The Journal of Physiology. 373: 163-79. PMID 2427694 |
0.321 |
|
| 1986 |
Tunstall J, Busselen P, Rodrigo GC, Chapman RA. Pathways for the movements of ions during calcium-free perfusion and the induction of the 'calcium paradox'. Journal of Molecular and Cellular Cardiology. 18: 241-54. PMID 2420998 DOI: 10.1016/S0022-2828(86)80406-0 |
0.702 |
|
| 1985 |
Chapman RA, Rodrigo GC. The dependence of the relaxation of tension of frog atrial-trabeculae on the sodium-calcium exchange: a voltage-clamp study. Quarterly Journal of Experimental Physiology (Cambridge, England). 70: 447-59. PMID 4034921 |
0.431 |
|
| 1984 |
Chapman RA, Tunstall J. The measurement of intracellular sodium activity and its relationship to the action of calcium ions upon the low-sodium contracture in frog atrial trabeculae. Quarterly Journal of Experimental Physiology (Cambridge, England). 69: 559-72. PMID 6332336 |
0.676 |
|
| 1984 |
Chapman RA, Rodrigo GC, Tunstall J, Yates RJ, Busselen P. Calcium paradox of the heart: a role for intracellular sodium ions. The American Journal of Physiology. 247: H874-9. PMID 6093599 |
0.713 |
|
| 1983 |
Chapman RA, Coray A, McGuigan JA. Sodium/calcium exchange in mammalian ventricular muscle: a study with sodium-sensitive micro-electrodes. The Journal of Physiology. 343: 253-76. PMID 6644617 DOI: 10.1113/jphysiol.1983.sp014891 |
0.44 |
|
| 1983 |
Chapman RA, Tunstall J. The control of the strength of the caffeine contracture in frog atrial trabeculae: an activity of the sodium-calcium exchange. Quarterly Journal of Experimental Physiology (Cambridge, England). 68: 381-95. PMID 6611834 |
0.686 |
|
| 1983 |
Chapman RA, Tunstall J. A possible role for intracellular sodium ions in the control of contraction in frog atrial trabeculae by way of the sodium-calcium exchange. Quarterly Journal of Experimental Physiology (Cambridge, England). 68: 397-412. PMID 6604291 |
0.669 |
|
| 1981 |
Chapman RA, Tunstall J. The tension-depolarization relationship of frog atrial trabeculae as determined by potassium contractures Journal of Physiology. 97-115. PMID 6971932 DOI: 10.1113/jphysiol.1981.sp013539 |
0.677 |
|
| 1980 |
Chapman RA, Tunstall J. The interaction of sodium and calcium ions at the cell membrane and the control of contractile strength in frog atrial muscle Journal of Physiology. 109-123. PMID 6969306 DOI: 10.1113/jphysiol.1980.sp013353 |
0.68 |
|
| 1978 |
Chapman RA. THE EFFECTS OF CHANGES OF THE TONICITY OF THE BATHING FLUID UPON THE TENSION GENERATED BY ATRIAL TRABECULAE ISOLATED FROM THE HEART OF THE FROG, RANA PIPIENS Quarterly Journal of Experimental Physiology and Cognate Medical Sciences. 63: 301-314. PMID 311017 DOI: 10.1113/expphysiol.1978.sp002444 |
0.361 |
|
| 1978 |
Chapman RA, Fry CH. An analysis of the cable properties of frog ventricular myocardium. The Journal of Physiology. 283: 263-82. PMID 309942 |
0.448 |
|
| 1977 |
Chapman RA, Ellis D. Uptake and loss of manganese from perfused frog ventricles. The Journal of Physiology. 272: 355-66. PMID 304103 |
0.484 |
|
| 1977 |
Chapman RA, Ellis D. The effects of manganese ions on the contraction of the frog's heart. The Journal of Physiology. 272: 331-54. PMID 304102 |
0.588 |
|
| 1977 |
Chapman RA, Ellis D. The existence of a Ca2+ for H+ exchange across the sarcolemma of frog cardiac muscle cells [proceedings]. The Journal of Physiology. 265: 19P-20P. PMID 15107 |
0.492 |
|
| 1975 |
Chapman RA, Fry CH. Estimation of the resistance of the intercalated disk in the ventricle of the frog Rana pipiens. The Journal of Physiology. 244: 34P-35P. PMID 1079050 |
0.382 |
|
| 1974 |
Chapman RA, Miller DJ. The effects of caffeine on the contraction of the frog heart. The Journal of Physiology. 242: 589-613. PMID 4548719 |
0.581 |
|
| 1974 |
Chapman RA. A study of the contractures induced in frog atrial trabeculae by a reduction of the bathing sodium concentration. The Journal of Physiology. 237: 295-313. PMID 4545182 DOI: 10.1113/jphysiol.1974.sp010483 |
0.407 |
|
| 1974 |
Chapman RA, Miller DJ. Structure-activity relations for caffeine: a comparative study of the inotropic effects of the methylxanthines, imidazoles and related compounds on the frog's heart. The Journal of Physiology. 242: 615-34. PMID 4375181 |
0.386 |
|
| 1973 |
Chapman RA, Ellis D. Synergistic effects of cooling and caffeine on the contraction of the frog's heart. The Journal of Physiology. 232: 101P-102P. PMID 4737868 |
0.473 |
|
| 1973 |
Chapman RA. The effects of temperature and metabolic inhibitors on the spontaneous relaxation of the potassium contracture of the heart of the frog Rana pipiens. The Journal of Physiology. 231: 233-49. PMID 4541722 DOI: 10.1113/jphysiol.1973.sp010230 |
0.396 |
|
| 1973 |
Chapman RA. The onic dependence of the strength and spontaneous relations of the potassium contracture induced in the heart of the frog Rana pipiens. The Journal of Physiology. 231: 209-32. PMID 4146462 DOI: 10.1113/jphysiol.1973.sp010229 |
0.468 |
|
| 1972 |
Chapman RA. Experimental alteration of the relationship between the external calcium concentration and the contractile force generated by auricular trabeculae isolated from the heart of the frog, Rana pipiens. The Journal of Physiology. 218: 147-61. PMID 5316144 DOI: 10.1113/jphysiol.1971.sp009608 |
0.414 |
|
| 1972 |
Chapman RA, Miller DJ. Caffeine contractures induced in frog auricular trabeculae in the absence of external calcium. The Journal of Physiology. 225: 52P-54P. PMID 5074413 |
0.468 |
|
| 1971 |
Chapman RA, Tunstall J. The dependence of the contractile force generated by frog auricular trabeculae upon the external calcium concentration The Journal of Physiology. 215: 139-162. PMID 5579645 DOI: 10.1113/jphysiol.1971.sp009462 |
0.678 |
|
| 1971 |
Chapman RA, Miller DJ. The action of caffeine on frog myocardial contractility. The Journal of Physiology. 217: 64P-66P. PMID 5571951 |
0.371 |
|
| 1970 |
Chapman RA, Niedergerke R. Interaction between heart rate and calcium concentration in the control of contractile strength of the frog heart. The Journal of Physiology. 211: 423-43. PMID 5501008 |
0.712 |
|
| 1970 |
Chapman RA, Niedergerke R. Effects of calcium on the contraction of the hypodynamic frog heart. The Journal of Physiology. 211: 389-421. PMID 5501007 |
0.698 |
|
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