The influence of potassium and chloride ions on the membrane potential of single muscle fibres

AL Hodgkin, P Horowicz - The Journal of physiology, 1959 - ncbi.nlm.nih.gov
… AL HODGKIN AND P. HOROWICZ apparatus in which the external solution could be …
to fall by several millivolts; other examples of this type of behaviour are discussed on p. 147. …

Twitches in the presence of ethylene glycol bis (β-aminoethyl ether)-N, N′-tetraacetic acid

CM Armstrong, FM Bezanilla, P Horowicz - Biochimica et Biophysica Acta …, 1972 - Elsevier
Single muscle fibers continue to twitch for up to 20 min when immersed in ethylene glycol
bis(β-aminoethyl ether)-N,N′-tetraacetic acid (EGTA) solutions containing less than 10 −8 M …

Potassium contractures in single muscle fibres

AL Hodgkin, P Horowicz - The Journal of physiology, 1960 - ncbi.nlm.nih.gov
METHODS All the experiments were carried out with single fibres from the semitendinosus
muscle of Rana temporaria. The apparatus and method of recording have been described in …

The effect of sudden changes in ionic concentrations on the membrane potential of single muscle fibres

AL Hodgkin, P Horowicz - The Journal of Physiology, 1960 - ncbi.nlm.nih.gov
… AL HODGKIN AND P. HOROWICZ whereas the timeto repolarize to - 15 mV is 1-3 sec.
The conclusion is that the 'on-effect' of raising [K]o occurs more rapidly than the 'off-effect' of …

Movements of Na and K in single muscle fibres

AL Hodgkin, P Horowicz - The Journal of physiology, 1959 - ncbi.nlm.nih.gov
… AL HODGKIN AND P. HOROWICZ the radioactivity remaining in the fibre, it was stored in
a quartz tube and subsequently analysed for Na and K by the activation method (see p. 410 …

The effect of nitrate and other anions on the mechanical response of single muscle fibres

AL Hodgkin, P Horowicz - The Journal of Physiology, 1960 - ncbi.nlm.nih.gov
… AL HODGKIN AND P. HOROWICZ was therefore cut short after 6 sec bylowering [K]o from
50 to 2 5 mm. This led to a prompt relaxation. Record B shows the effect of applying 20 mM-K …

Membrane charge moved at contraction thresholds in skeletal muscle fibres

P Horowicz, MF Schneider - The Journal of Physiology, 1981 - Wiley Online Library
P. HOROWICZ AND MF SCHNEIDER pulse to a voltage slightly above rheobase. For such
a pulse IQ was quite small near tth so that the variation in tth values resulted in relatively little …

Membrane charge movement in contracting and non‐contracting skeletal muscle fibres

P Horowicz, MF Schneider - The Journal of Physiology, 1981 - Wiley Online Library
P. HOROWICZ AND MF SCHNEIDER different hyperpolarizing pulse for each depolarizing
pulse. It ensured that the voltage dependence of Q for depolarizing pulses was not …

Density and distribution of tetrodotoxin receptors in normal and detubulated frog sartorius muscle.

…, RA Venosa, P Shrager, P Horowicz - The Journal of general …, 1976 - rupress.org
… (13 +- 4 nM) is significantly different (P < 0.01) from that obtained in glycerol-treated fibers (3
- … VENOSA, RA, and P. HOROWICZ. 1973. Effects on sodium efflux of treating frog sartorius …

Density and apparent location of the sodium pump in frog sartorius muscle

RA Venosa, P Horowicz - The Journal of Membrane Biology, 1981 - Springer
… An early summary of our findings has appeared elsewhere (Venosa & Horowicz, 1975). …
This reduction of about 40~ in z, which is statistically significant (P<0.02) suggests that re-…