Phase Segregation in Individually Dried Particles Composed of Biopolymers.
作者： Marine Nuzzo , Jakob Sloth , Björn Bergenstahl , Anna Millqvist-Fureby
DOI: 10.1021/ACS.LANGMUIR.5B02023
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摘要: Mixing of two biopolymers can results in phase separation due to their thermodynamically incompatibility under certain conditions. This phenomenon was first reported when the solution allowed equilibrate, but it has later been observed also as a consequence drying. The challenges this study were observe segregation by confocal Raman microscopy and LV-SEM on dried film, individually particles, spray particles. influence solid content ratio (composition) HPMC/maltodextrin mixture localization ingredients particles investigated. We that HPMC maltodextrin is induced solvent evaporation film drying, single particle well an important parameter influences HPMC-enriched maltodextrin-enriched phase, i.e., surface, core, or more less bicontinuous pattern. drying time, affected solids content, found control level advancement segregation.
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