To facilitate self - assembly, it is possible to «decorate» various sites on the surface of such particles with different charges, called patches. (sciencedaily.com)
Though such particles might be ubiquitous, the effort to find them faces an uphill battle. (discovermagazine.com)
But how — and more importantly — where such a particle will be located remains dependent upon the very act of observation. (biocentrismnews.com)