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The biggest challenge in the discovery and fabrication of drugs nowadays is low solubility. Many new chemical entities have major therapeutic effects, increased performance, but due to poor water solubility their clinical applications are limited. This is why Nanocrystal technology to solve the issue of low aqueous solubility was established. Nanocrystal technology improves the rate of dissolution according to the surface area of the active medicinal substance by reducing its particulate size to the nano size level, maintaining the pharmaceutical crystal morphology and enhancing pharmacokinetic and pharmacodynamic properties of different types of pharmaceuticals. Nanocrystals are prepared using the method down, up and down, spray drying and thus new techniques. Nanocrystals loaded as tablet or capsule. The obtained nanocrystal can be managed in different ways. Using freeze-drying or spray-drying to produce powder, which then is used for tabletting or other oral product, may usually be dried with nanocrystal.
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