Effect of amino acids on the dispersion of disodium cromoglycate powders.


Modified disodium cromoglycate powders were prepared by co-spray drying with different concentrations of leucine, phenylalanine, tryptophan, methionine, asparagine, and arginine. Amorphous spherical particles of the same size and density where obtained which, however, exhibited different surface properties as measured by the inverse gas chromatography (IGC… (More)


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