DNA-Based Sensor Particles Enable Measuring Light Intensity in Single Cells.

Mikutis, Gediminas; Mora, Carlos A; Puddu, Michela; Paunescu, Daniela; Grass, Robert N; Stark, Wendelin J · Adv Mater · 2016

basic_science · Level V

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Abstract

"Lab on a particle" architecture is employed in designing a light nanosensor. Light-sensitive protecting groups are installed on DNA, which is encapsulated in silica particles, qualifying as a self-sufficient light sensor. The nanosensors allow measuring light intensity and duration in very small volumes, such as single cells, and store the irradiation information until readout.

Medical subject headings