Ion and pH indicators (62)

Fluorescent dyes for measuring pH, calcium, magnesium, zinc and other ions, including ion indicators in AM ester form for live cell applications.

Calcium indicators and related reagents (43)

For a comparison of calcium indicators and chelators, please download the Fluorescent Calcium Indicators and Related Products brochure.

pH indicators (15)

Fluorogenic dyes that can be used as pH indicators or cell tracers.

Chloride indicators (2)

Biotium offers chloride indicators that include SPQ and MQAE compounds.

Zinc indicators (2)

Fluorescent zinc indicator Zinquin in ethyl ester and free acid forms.

Magnesium indicators and related reagents (6)

Biotium offers several magnesium ion indicators, including the Mag-Fura-2.