Portia Osei-Obeng

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Questions related from Portia Osei-Obeng

Can I still proceed with my in vitro antifungal activity with low encapsulation efficiencies?

Hello all, I encapsulated citral in chitosan nanoparticles. Citral concentrations varied from 0.25, 0.50, 0.75 and 1%. The encapsulation efficiencies increased at concentrations 0.25 and 0.50% and...

27 June 2023 2,167 4 View

In vitro release of essential oil from chitosan nanoparticles, are samples placed in the dialysis membrane and put on a shaker?

I am determining the in vitro release profile of citral from chitosan nanoparticles. I will be using the dialysis method using PBS at different ph as the release buffer. During the dialysis, once...

27 June 2023 9,231 2 View

What may be the reason why my encapsulation of citral with chitosan is not successful?

Hello everyone, I am encapsulating citral with chitosan using the ionic gelation method. After the FTIR analysis, it showed that citral was not successfully encapsulated in the chitosan. During...

31 May 2023 5,258 7 View

Do I adjust the pH of my chitosan solution with 1N NaOH or 0.1M NaOH?

Hi all, I am preparing citral loaded chitosan nanoparticles using the ionic gelation method. I want to know which one out of 1N NaOH and 0.1M NaOH can be used to adjust the pH of my chitosan solution?

29 May 2023 5,896 3 View

What is the effect of using purified water for the encapsulation of citral in chitosan-TPP nanoparticles?

I am currently encapsulating citral in chitosan-TPP nanoparticles using the ionic gelation method, however, we are currently out of distilled water. I would like to know if the use of purified...

14 May 2023 4,441 2 View

What goes into understanding encapsulation efficiency and loading capacity during nanoencapsulation studies?

Hi everyone, I'm currently an MSc. Molecular biology and biotechnology student with a focus in plant biotechnology. This year, I hope to start my research in the area of biopesticides using...

02 January 2023 4,054 2 View