Johan Hjärtstam

Osmotic pumping as a release mechanism for membrane-coated drug formulations

Bengt Lindstedt, Gert Ragnarsson, Johan Hjärtstam · International Journal of Pharmaceutics · 1989 · 71 citations

Membrane Formation, Biomedical Engineering, Drug Delivery System +3

Effects of molecular weight on permeability and microstructure of mixed ethyl-hydroxypropyl-cellulose films

Helene Andersson, Johan Hjärtstam, Mats Stading et al. · European Journal of Pharmaceutical Sciences · 2012 · 58 citations

Materials Science, Chemical Engineering, Engineering +8

Coated formulations: New insights into the release mechanism and changes in the film properties with a novel release cell

Mariagrazia Marucci, Johan Hjärtstam, Gert Ragnarsson et al. · Journal of Controlled Release · 2009 · 53 citations

Materials Science, Novel Release Cell, Edible Film +4

Effect of ethanol on the water permeability of controlled release films composed of ethyl cellulose and hydroxypropyl cellulose

Mikael Larsson, Johan Hjärtstam, Jolina Berndtsson et al. · European Journal of Pharmaceutics and Biopharmaceutics · 2010 · 49 citations

Chemical Engineering, Controlled Release Films, Engineering +9

The effect of tensile stress on permeability of free films of ethyl cellulose containing hydroxypropyl methylcellulose

Johan Hjärtstam, Karin Borg, Bengt Lindstedt · International Journal of Pharmaceutics · 1990 · 33 citations

Materials Science, Engineering, Mechanical Properties +8