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Questions related from Parham Akhlaghi
Dear all, My formulation contains almost 30% of vaseline and 8% yellow beeswax + APIs and other ingredients. The thickness of ointment in room temperature is acceptable, while in stability chamber...
05 January 2022 4,215 3 View
Dear all, GC analysis revealed the presence of 7.62% methyle salicylate in the final formulation of my ointment, while the initial w/w of MS was 14%. Where it has gone?? If it is because of...
05 January 2022 3,928 7 View
Hi I would really appreciate if someone helps me out with this MATLAB problem. I have uploaded both MATLAB file (which is not working properly) and the question. Thank you very much in advance #MATLAB
04 January 2021 6,722 3 View
Hi We've synthesized a thin layer of a nanofiber mat using an electrospinning technique. It is almost impossible to separate the formed layer from the aluminium foil collector. On the other hand,...
04 February 2018 3,375 2 View
Hi Is there any specific procedure for know-how valuation in pharmaceutical industry? If not, what are the general guidelines and procedures? What are the references where I can find the...
31 October 2017 2,694 3 View
Hi We're just trying to fabricate PVA/Chitosan & PEO/Chitosan electrospun fibers. The used solutions were: Chitosan Solution:1wt% chitosan in 5% v/v glacial acetic acid PVA Solution:5wt% PVA...
23 July 2017 3,713 2 View
What are the alternatives for electrospinning in synthesizing of an antibacterial agent using Chitosan/ PEO/ PVA precursors, regardless the form of the final product (fiber, hydrogel, film,...
18 June 2017 7,845 3 View
Hi I have calculated the band gap of my visible-active photocatalyst using tauc's method. The calculated band gap was 2.86. According to the following equation, I have calculated the wavelength...
31 August 2014 9,087 10 View
Dear all, I want to prepare a 0.4 M Acetate Buffer Solution with pH=3.0. I don't know what the appropriate amount of acetic acid and sodium acetate are. How can I adjust the pH? Thank you very...
27 July 2014 4,732 18 View