Sökning: "Viscometry"
Hittade 3 uppsatser innehållade ordet Viscometry.
1. Formulation development, rheological characterization, and cosmetic evaluation of gel-creams
Master-uppsats, Lunds universitet/Livsmedelsteknik och nutrition (master)Sammanfattning : Oil in water (o/w) emulsions are thermodynamically unstable systems composed of small oil droplets dispersed in a continuous aqueous phase. This means that given enough time, the two phases will separate. Pharmaceutical emulsions are used as a method of administering the Active Pharmaceutical Ingredient (API) for topical applications. LÄS MER
2. The discolouration of Hyaluronan in presence of phosphate buffer
Kandidat-uppsats, Uppsala universitet/Institutionen för teknikvetenskaperSammanfattning : Hyaluronan is a polymer that among other things is used in fillers. Products containing Hyaluronan is sometimes discoloured over time and the mechanism behind this discolouration is still unknown. However, it was suspected that discolouration occurs during the degradation due to high pH values or with a phosphate buffer. LÄS MER
3. Mapping the intrinsic viscosityof hyaluronic acid at high concentrations of OH-
Kandidat-uppsats, Uppsala universitet/Institutionen för teknikvetenskaperSammanfattning : Hyaluronic acid is commonly used in dermatological fillers in the form of gels. It is established how these gels' firmness is affected by the amount of cross linker and hyaluronic acid respectively. However, the effect of hydroxide ions in solution is rather unknown. LÄS MER