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Intracellular pH and free calcium changes in single cells using quene 1 and quin 2 probes and fluorescence microscopy.


PMID 6884525

Abstract

Photometric fluorescence microscopy has been used to measure intracellular pH (pHi) and free calcium concentrations [( Ca]i) in individual mouse thymocytes and 2H3 rat basophil leukaemic cells containing indicators for pH (quene 1) or calcium (quin 2). The pHi and [Ca]i measurements in individual 2H3 cells and mouse thymocytes and their responses to various stimuli were consistent with the corresponding data obtained from suspensions of these cells measured in a spectrofluorimeter. Photometric fluorescence microscopy of these indicators in individual cells provides a sensitive and fast method of following pHi and [Ca]i responses in individual cells.

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Q1626
Quene 1-AM
C38H41N3O17