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Fig. 5 | Nano Convergence

Fig. 5

From: Current achievements of nanoparticle applications in developing optical sensing and imaging techniques

Fig. 5

a Streptavidin measurements based on an LSPR microfluidic device using biotin-bound gold nanorods. An inset figure illustrates the microfluidic device on an optical spectroscopic measurement setup for metallic nanorod based high-performance molecule sensing. The re-print of this figure from [93] was permitted by the American Chemical Society. b High-sensitivity intracellular pH SERS imaging of A549 cells by polystyrene microbeads that were surrounded by 4-mercaptobenzoic acid conjugated gold nanostars. Compared to the use of 4-mercaptobenzoic acid conjugated gold nanostars without the polystyrene beads, the intracellular SERS signals that indicate the pH information in the compartments of the cells were enhanced. The use of this figure from [100] was permitted by the American Chemical Society

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