This detection mechanism is different from that of fluorescent indicators for Ca 2+, Mg 2+, Zn 2+, Na + and K +. 6-Methoxy- N-ethylquinolinium iodide (MEQ, M6886)Īll of these indicators detect Cl – via diffusion-limited collisional quenching.N-(Ethoxycarbonylmethyl)-6-methoxyquinolinium bromide (MQAE, E3101).6-Methoxy- N-(3-sulfopropyl)quinolinium (SPQ, M440).Our current range of Cl – indicators consists of: Cl – detection sensitivity has been improved by modifications of the quinolinium N substituent. Most of the fluorescent chloride indicators are 6-methoxyquinolinium derivatives, the prototype of which is 6-methoxy- N-(3-sulfopropyl)quinolinium (SPQ). Chapter 23-Antifades and Other Tools for Fluorescence Applications.Chapter 22-Probes for Membrane Potential.Chapter 21-Indicators for Na+, K+, Cl– and Miscellaneous Ions.Chapter 19-Indicators for Ca2+, Mg2+, Zn2+ and Other Metal Ions.Chapter 18-Probes for Reactive Oxygen Species, Including Nitric Oxide.Chapter 17-Probes for Signal Transduction.Chapter 16-Probes for Endocytosis, Receptors and Ion Channels.Chapter 15-Assays for Cell Viability, Proliferation and Function.Chapter 14-Fluorescent Tracers of Cell Morphology and Fluid Flow.Chapter 13-Probes for Lipids and Membranes.Chapter 11-Probes for Cytoskeletal Proteins.Chapter 10-Enzyme Substrates and Assays.Chapter 9-Protein Detection and Analysis.

Chapter 8-Nucleic Acid Detection and Analysis.

Chapter 7-Antibodies, Avidins and Lectins.Chapter 6-Ultrasensitive Detection Technology.Chapter 5-Crosslinking and Photoactivatable Reagents.Chapter 4-Biotin and Hapten Derivatives.Chapter 3-Click Chemistry and other Functional Group Modifications.Chapter 1-Fluorophores and Their Amine-Reactive Derivatives.

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