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Fig. 6 | Stem Cell Research & Therapy

Fig. 6

From: Subtype-specific differentiation of cardiac pacemaker cell clusters from human induced pluripotent stem cells

Fig. 6

Spontaneous Ca2+ transients recorded in beating PCC. a Transmission light and confocal images of fluo-4-AM loaded PCC. Line-scan images (indicated by white line) were taken at 10 μs per pixel; line-scan and line profile of a representative recording are depicted in (b). Note the regularity of the spontaneous transients. c Enlargement of a single Ca2+ transient of the trace shown in (b)

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Stem Cell Research & Therapy

ISSN: 1757-6512