Ikeoluwa Apata

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Questions related from Ikeoluwa Apata

Why does formation of peroxide in inhibitor free THF causes background signal or noise in GPC analysis ?

I read that Fresh THF without preservatives is generally clean of peroxides, Once opened, and the THF is exposed to oxygen then peroxides start forming immediately, unless you exhaustively purge...

19 October 2022 5,850 0 View

How do I get polymer grafted TiO2 nanoparticle to be well dispersed?

I synthesized polymer grafted TiO2 using surface initiated ARTP process. My major challenge in this work have been the agglomeration of the polymer grafted Nanoparticle as observed using TEM. I...

25 January 2022 1,381 4 View

How best can I remove 5nm TiO2 from my solution after a polymer cleavage experiment?

After synthesizing a polymer grafted TiO2 nanoparticles, I subjected the PGNPs to cleavage experiment to get the polymer and did carefully centrifugation to remove to TiO2 but NMR could not...

11 June 2021 6,057 5 View

Please what is the best solvent I can use for dispersing TiO2 for DLS analysis? and also absorbance of TiO2 and other DLS data for the analysis?

I'm looking for a best solvent that can be use to disperse TiO2 nanoparticle for polymer grafting with little or no aggregation.

04 January 2021 9,148 5 View