Abstract

A micrometer-sized affinity bead (red) is (i) taken up into a cell by phagocytosis, (ii) photochemically released from phagosomes, (iii) optically trapped by the cell, and (iv) isolated by cell lysis for subsequent analysis of captured intracellular analyte (green). © 2015 WILEY-VCH Verlag GmbH & Co. KGaA, Weinheim.

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