Please check out my Substack articles for background on this:
Nanotechnology in Dental Anaesthetic
Part 2
and my discussion with Mat & Shimon from 20230512:
David, Mat and Shimon

I have also recently uploaded some more videos of the process


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Andrew Chapman wrote: Jun 16, 2023

The listed active ingredients of Lignospan Special (the anaesthetic identified at are lidocaine hydrochloride and adrenaline. Lidocaine is C14H22N2O, adrenaline is C9H13NO3. The excipients are 'Sodium chloride, potassium metabisulfite (E224), disodium edetate, sodium hydroxide (for pH-adjustment) and water for injections'. ( Nothing very exotic in any of these. What would one expect it to do if exposed to air? I would guess nothing, except evaporate, leading to the crystallisation of the salts. I wouldn't expect to see any of the remarkable cascading, bubbling, boundary formation, spinning etc that one sees here.

That light grey curved boundary in the second half of the last video - what is it made of I wonder? It just seems to disappear into a line of bubbles at each end.