Before discovering the technique, only one side of each particle could be coated, and so the camphothecin drug was broken down faster. Confirming the contents of a paper published in February, the University of South Australia's Professor Nico Voelcker tells In-Pharma: "Normally, you only form the coating on one side of the particle, the side that is exposed.

"But the other side is not going to get coated. That's where we came up with the idea of using a loudspeaker that would play into the system. It would vibrate and the particles would bounce up and down. The chaotic frequencies worked well, and give you a more homogenous coating." Read more - here.

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