Journal Article

DKFZ-2026-00831

http://join2-wiki.gsi.de/foswiki/pub/Main/Artwork/join2_logo100x88.png Incubation of brain organoids with fluorescent carbon nanodots.

Sprengel, C. ; Fischer, U.DKFZ* ; Borkhardt, A.DKFZ* ; Haas, R. ; Heinzel, T.

2026
RSC Publishing London

Abstract: Brain organoids are exposed during their growth to fluorescent carbon nanodots (CNDs). We observe that the CNDs penetrate through the whole organoid in all maturation stages and are taken up by viable cells irrespective of their type and location, most likely by endocytosis. They remain inside the cells after enzymatic dissociation of the organoids. No influence of the CNDs on the organoids' viability after 48 h exposure during the first 15 weeks could be detected. Our results suggest that CNDs are interesting candidates for multifunctional fluorescent labeling in organoid research and development, such as structural imaging or drug screening.

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Contributing Institute(s):

1. DKTK Koordinierungsstelle Essen/Düsseldorf (ED01)

Research Program(s):

1. 899 - ohne Topic (POF4-899) (POF4-899)

Appears in the scientific report 2026

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