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Nano Convergence
Fig. 1 | Nano Convergence

Fig. 1

From: Ultrasensitive and real-time optical detection of cellular oxidative stress using graphene-covered tunable plasmonic interfaces

Fig. 1

Overall schematic illustration of ROS monitoring generated from living cells using plasmonic NP-graphene interface. (Upper left) Hyperspectral imaging setup for in-situ monitoring cellular ROS on the graphene-covered plasmonic nanoprobes. (Upper right) Representative images of the cells adhered to the graphene-covered plasmonic nanoprobes. (Lower left) Schematic illustration showing the graphene transfer process on plasmonic nanoparticles pre-immobilized on the APTES-modified glass substrate and optical tunability according to the graphene layers. (Lower right) Principle of ROS monitoring through the measurement of changes in quenching dip at 550 nm for redox-active Cyt c

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