A new published commentary in the Journal of Cannabis Research indicated that cannabis crystallinity may determine levels of cannabinoid stability and bioavailability. Cannabis crystal polymorphism is ...

PNAS is the world's most-cited multidisciplinary scientific serial. It publishes high-impact research reports, commentaries, perspectives, reviews, colloquium papers, and actions of the Academy. In ...

Just over a year ago, researchers reported that they had isolated and characterized a long-sought second form of acetylsalicylic acid, known in most households as aspirin (J. Am. Chem. Soc. 2005, 127, ...

Crystal polymorphism is critically important in the fields of pharmaceuticals and materials science. For instance, a metastable polymorph of an active pharmaceutical ingredient may benefit from ...