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Fig. 3 | Cell & Bioscience

Fig. 3

From: A superior bright NIR luminescent nanoparticle preparation and indicating calcium signaling detection in cells and small animals

Fig. 3

Upper panels represent the emission imaging from (a) ICG-Au complexes and (b) ICG–HSA conjugates. Diagrams are 5 × 5 µm and resolutions are 100 × 100 pixels with an integration of 0.6 ms/pixel. Bottom panels represent fluorescence images from the cells conjugated with (c) ICG-Au complexes and (d) ICG–HSA conjugates. Diagrams are 50 × 50 µm and resolutions are 100 × 100 pixel with an integration of 0.6 ms/pixel. The samples were excited with a 640 nm laser. Note the different intensity scales. The images of a and c were collected with a laser power 10-fold less than the images of b and d

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