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Questions related from Victor Cojocaru
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17 March 2015 4,671 1 View
release study of a water soluble drug from a very high viscosity hydrogel, % released is inferior to 60%.
06 March 2015 7,788 3 View
For microemulsions formulated using alcohols with the hydrocarbonate chain of medium length (i.e. 1-hexanol, 1-heptanol, 1-octanol), at a certain point (i.e. certain water concentration), the...
24 February 2015 9,756 6 View
I was wondering if you know the initial amount of drug in the donor compartment and know only the amount of drug diffused through the membrane, possible to plot a first order kinetics in order to...
26 November 2014 1,982 3 View
Just doing some research regarding the interfacial tension between different components that could be useful for formulating microemulsions.
10 August 2014 7,265 0 View
Other than constructing phase diagrams at different Surfactant:Cosurfactant ratios for different oil:surfactants ratios, is there a more scientific approach in predicting the optimal composition...
16 May 2014 369 6 View
I am interested in determining the amount of sodium diclofenac dialysed in a release study experiment. I am trying to avoid HPLC methods and I am oriented towards spectrophotometric methods....
27 March 2014 6,738 1 View
Can anyone recommend me a free software that can help me to graphically represent a pseudo-ternary or binary phase diagram? And perhaps some written or video tutorial on how to use the software? I...
19 March 2014 9,054 7 View
Can anyone help me with some material regarding the toxicity/acceptability of surfactants, especially, cosurfactants? For my current research I'm using 1-octanol as it's less irritating than...
19 March 2014 3,899 7 View