Assertion: lipid | /r/MadeOf | surfactant
Facets:
Source sentences:
text: Gasco et al.  were the first researchers to use a microemulsion template for SLN preparation; “lipids are heated above their melting point and an aqueous phase, containing surfactants and co-surfactants, is added under stirring at the same temperature to form a clear O/W microemulsion” .