The aims of this study were to investigate how the release of tadalafil is influenced by two grades of polyvinylpyrrolidone (Kollidon® 12 PF and Kollidon® VA 64) and various methods of preparing solid dispersions (solvent evaporation, spray drying and hot-melt extrusion).Tadalafil is poorly water-soluble and its high melting point makes i
Abstract Background Cassava (Manihot esculenta, Crantz), is a staple food and the main source of calories for many populations in Africa, but the plant is beset by several damaging viruses.So far, eight families of color touch 7/97 virus infecting cassava have been identified; the Geminiviridae (ssDNA viruses responsible for cassava mosaic disease,
Deadlock problem, a research area full of vitality, has been extensively investigated in the framework of Petri nets.Much of the work on deadlock problem mainly focuses on the models with flexible routes, while there are few theoretical results from the models with assembly operations, especially the models with hierarchical assembly operations.In
The recent study aimed to develop and produce bio-fertilizer as a supplement to chemical fertilizers, with the goal to reduce their application.In this study, new Streptomyces species were introduced along with nitrogen-fixing bacteria to support the growth of Mung beans in Iraq.The experiment involved the application of five strains of Rhizobium,