I read in some articles that if the speed of homogenization (eg. ultraturrax) is higher then the nanoparticle size is smaller. But I did some experiments and I got the opposite result: If I increased the speed of ultraturrax, the nanoparticles got a higher size, and the polidispersity index is low (between 0.2 and 0.4). Does anyone have some explanation about it?

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