Invitrogen™ Di-8-ANEPPS
On demandInvitrogen™ Di-8-ANEPPS
ANEP dyes are molecules that fluoresce in response to electrical potential changes in their environment. These are fast-response probes that operate by means of a change in their electronic structure, and consequently their fluorescence properties, in response to a change in the surrounding electric field. Their optical response is sufficiently fast to detect transient (millisecond) potential changes in excitable cells, including single neurons, cardiac cells, and intact brains. However, the magnitude of their potential-dependent fluorescence change is often small; fast-response probes typically show a 2-10% fluorescence change per 100 mV. Furthermore, these dyes display a potential-dependent shift in their excitation spectra, thus permitting the quantitation of membrane potential using excitation ratio measurements
For Use With (Equipment): Fluorescence Microscope
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