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Questions related from Hubert Pellikaan
I did increase viscosity of a trichloroacetic acid solution with hydroxyethyl cellulose. Works good for 30 minutes, then viscosity drops like a brick! No wonder, at pH -1.0 but still HEC is...
09 April 2024 6,928 0 View
How can you gel or increase viscosity of a trichloroacetic acid solution? It seems carbomer and Na-CMC are degraded rapidly by the very acidic TCA, while HPMC drops out of solution at higher TCA...
08 February 2024 6,375 5 View
I am looking for a lab that does in-vitro testing of anti covid-19 compounds and formulations. May be anywhere on the world!
13 April 2021 3,575 3 View
Hi, I am looking for a test lab that can do tests on anti-viral activity of formulations. Strains to be tested are HSV-1, and for other formulation typically HRV, Influenza, and covid-19. test...
12 April 2021 241 4 View
I am looking for an organic solvent for trehalose. DMSO works, methanol works, like ethanol, but both are not suited for the rest of my process. Any ideas or exprience here?
05 August 2020 7,163 3 View
