Dissanayaka, Kapila D Three-dimensional feedback-driven trapping of a single nanoparticle or molecule in aqueous solution with a confocal fluorescence microscope. [electronic resource] - Optics express Oct 2019 - 29759-29769 p. digital Publication Type: Journal Article ISSN: 1094-4087 Standard No.: 10.1364/OE.27.029759 doi