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2 results for 6-Methoxy-N-(3-sulphopropyl)quinolinium (SPQ)

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6-Methoxy-N-(3-sulphopropyl)quinolinium (SPQ) chloride indicator

6-Methoxy-N-(3-sulphopropyl)quinolinium (SPQ) chloride indicator

Supplier: AAT BIOQUEST

A chloride indicator that has the fluorescence dependent of chloride concentration.

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6-Methoxy-N-(3-sulphopropyl)quinolinium (SPQ) ≥95% (by HPLC) fluorescent indicator, for chloride determination

Supplier: Biotium

SPQ is a blue fluorescent dye (Ex/Em 344/443 nm) that is specifically quenched by chloride via collision (KSV=118 M-1). Therefore, chloride concentrations can be measured by moniotiring the degree of fluorescence decrease. The dye can be loaded into cells by hypotonic shock.

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