I am trying to make a nano-emulsion to convert a cancer medicine into its more bioavailable form following guidance from this patent

https://patents.google.com/patent/US9259391B2/en

But I made some changes because I can only use food grade off the shelf surfactants(Tween 80 and Sunflower Lecithin). I found another paper using these surfactants and I successfully created a emulsion with 4:3:1 ratio of olive oil:Tween 80:Lecithin.

Article Optimization of soya lecithin and Tween 80 based novel vitam...

Unfortunately I don't have a sonicator and the emulsion I end up with is like milk and opaque. I use ultrasonic bath which helped but did not turn the emulsion translucent. When I dilute the emulsion in water(1:100 by volume) the water is still milky and not translucent. But the emulsion is stable, the drug does not precipitate, does not settle and the oil does not separate.

So I believe I am really missing the sonicator here to convert the particle size to