Hildegard Portzehl

The dependence of contraction and relaxation of muscle fibres from the crab Maia squinado on the internal concentration of free calcium ions

Hildegard Portzehl, P. C. Caldwell, J.C. Ru ̈egg · Biochimica et Biophysica Acta (BBA) - Specialized Section on Biophysical Subjects · 1964 · 1K citations

Muscle Physiology, Muscle Function, Skeletal Muscle +11

Muscle Contraction and Fibrous Muscle Proteins

Hans Weber, Hildegard Portzehl · Advances in protein chemistry · 1952 · 145 citations

Mechanobiology, Muscle Function, Muscle Injury +6

The Transference of the Muscle Energy in the Contraction Cycle

Hans Weber, Hildegard Portzehl · Progress in Biophysics and Biophysical Chemistry · 1954 · 112 citations

Muscle Energy, Muscle Physiology, Muscle Function +10

The activation by Ca2+ of the ATPase of extracted muscle fibrils with variation of ionic strength, pH and concentration of MgATP

Hildegard Portzehl, Peter Zaoralek, John Gaudin · Biochimica et Biophysica Acta (BBA) - Bioenergetics · 1969 · 74 citations

Muscle Function, Molecular Physiology, Biochemistry +10

Dissociation of Thrombosthenin into Two Components comparable with Actin and Myosin

M Bettex-Galland, Hildegard Portzehl, E. F. Lüscher · Nature · 1962 · 46 citations

Thrombopoiesis, Thrombosis, Biochemistry +10