Activity-dependent signal changes in neurons by fiber-coupled microscopy
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説明
To study neuronal functions in brain, we developed a higher resolution type fiber-coupled microscope (FCM), and measured the activity-dependent fluorescence intensity of the excitable cells over time. FCM was constructed by combining a fluorescence microscope with the high density type of fiber bundle, which consisted of 1.5 x 10 4 unit fiber in the assemble less than 0.5 mm tip. The spatial resolution was calculated to be 2.4 mm with the 5 mm focal depth. The activity-dependent Ca signals were detectable in each cell of either the pancreatic spheroids or the brain slices. The present FCM is very promising for detailed studies with the live imaging of signal molecules in the body at a single cell level.
収録刊行物
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- SPIE Proceedings
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SPIE Proceedings 8928 89280V-, 2014-03-05
SPIE
