coacervation


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coacervation

/co·ac·er·va·tion/ (ko-as″-er-va´shun) the separation of a mixture of two liquids, one or both of which are colloids, into two phases, one of which, the coacervate, contains the colloidal particles, the other being an aqueous solution, as when gum arabic is added to gelatin.
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Polyester microcapsules were prepared by coacervation technology using the phase separation method in alcohol/hydrocarbon solvents.
Microencapsulation of antidegradants
Aspirin loaded albumin nanoparticle were prepared by coacervation process followed by crosslinking with glutaraldehyde (Merodio et al.
Aspirin loaded albumin nanoparticles by coacervation: implications in drug delivery
Other water-soluble vitamins were microencapsulated with sodium alginate by an emulsion coacervation process prior to supplementation to the experimental diets.
Dietary pantothenic acid requirement of juvenile abalone, Haliotis discus hannai Ino
The deposition can be enhanced by complex coacervation with anionic surfactants.
Trends in polymers for skin care: recent patent activity reveals advances in polymer synthesis, polymeric emulsifiers and a move toward micro- and nano-gels: Part I
A core material, such as ammonium carbonate, was ground to a suitable size distribution and encapsulated by a modified solvent evaporation or coacervation technique.
Preparation and Characterization of Hollow Microcapsules for Use as Ultrasound Contrast Agents
The process of coacervation has evolved as the most basic mechanism for controlling deposition of colloidal suspensions in shampoo products.
SCC meets in New York: annual scientific meeting and technology showcase draws hundreds to the New York Hilton Hotel
Crodafos HCE (oleth-5 phosphate (and) dioleyl phosphate) employs coacervation technology to ensure targeted delivery of the conditioning polymer to the hair, according to the company.
Croda's new clear shampoo
Maximum coacervate deposition occurs at precise ratios of cationic polymer:anionic surfactant but the optimum ratio for coacervation might not coincide with the best ratios for cleaning and foaming.
Hair care polymer trends: what do the latest patent applications reveal about what's happening in new technology for hair products?
A plethora of methods have been used to encapsulate cosmetic actives, including coacervation, phase separation, solvent-evaporation, spray-drying, spray-congealing, pan coating and fluid bed coating.
New technologies in topical delivery systems: cosmetics can be administered through many pathways, but maintaining precise levels of actives remains problematic. Here are some ideas for effective delivery of cosmetic materials
Eurand uses a coacervation process to microencapsulate ketoprofen particles, thereby masking the bitter taste of the drug.
Eurand Develops Taste-Masked Ketoprofen(])
The product was developed using Eurand's Microcaps(R), a coacervation microencapsulation technique that coats drug substances with polymer.
Eurand Develops New Diphenhydramine Product
This technology utilizes a coacervation microencapsulation technique which coats a drug substance with a polymer coating.
EURAND DEVELOPS NEW PHENYLPROPANOLAMINE PRODUCT

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