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Cell-permeable fluorescent calcium indicator with high sensitivity and excitation/emission at 494/506 nm.
Invitrogen Fluo-4 AM is a cell-permeable, fluorescent calcium indicator designed to detect and measure intracellular calcium levels in live cells. Upon entering the cell, it is hydrolysed by intracellular esterases, enabling it to bind to calcium ions and emit a bright green fluorescence.
This indicator is widely utilised in:
Commonly employed in:
Since its introduction, Fluo-4 AM has remained a cornerstone in calcium imaging studies, continuing to be a vital tool in contemporary research.
Lab equipment markets are fragmented. Buyers spend weeks calling distributors, comparing quotes, and verifying supplier reliability. Sellers struggle to reach global research labs.
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We're an independent team based in The Netherlands, working with research labs and procurement teams across Europe and worldwide.
With a service contract, ten to fifteen years is normal for most benchtop instruments. Detectors and pumps are the parts that wear first.
Often, yes. Verified suppliers frequently work with service partners converting the instrument. If applicable, we can list servicing options alongside the offer.
Ask a scientist through the request button. Parts are often available even when the instrument itself is discontinued.
Two to six weeks, depending on refurbishment scope and whether calibration is included.
We ship to 38 countries. Crating and customs handling are quoted with the instrument.
Tell us what you need and a scientist finds it for you, usually within the hour.
Last updated 6 November 2026
