Product Category Search
Top rated life science dyes, fluorophores and stains
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Best overall
Alexa Fluor 488 (Invitrogen)
Bright green fluorophore with high quantum yield and excellent photostability, suitable for flow cytometry and microscopy.
- high quantum yield
- excellent photostability
- broad excitation compatibility
- premium price
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Best for red channel
Alexa Fluor 594 (Invitrogen)
Intense orange-red emission with low background, ideal for multiplexing with green fluorophores.
- high brightness
- low bleed-through
- stable in aqueous solutions
- costly
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Best budget nuclear stain
DAPI (Thermo Fisher)
Classic blue DNA stain with strong affinity for AT-rich regions, widely used for nuclei labeling.
- very affordable
- strong signal
- easy to use
- photobleaches faster
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Best for far-red detection
Cy5 (GE Healthcare)
Far-red emitting dye with high extinction coefficient, excellent for deep-tissue imaging.
- far-red emission
- high extinction coefficient
- compatible with many kits
- requires specialized detectors
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Best classic green label
FITC (Sigma-Aldrich)
Widely used green fluorophore with good brightness, suitable for quick labeling protocols.
- well-established
- cost-effective
- easy conjugation
- moderate photobleaching
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Best for multiplex panels
Alexa Fluor 647 (Invitrogen)
Deep-far red dye with exceptional photostability, enabling high-plex flow cytometry and imaging.
- exceptional photostability
- minimal spectral overlap
- high signal-to-noise
- higher price
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Best for bright orange label
Phycoerythrin (PE) (Invitrogen)
Large protein fluorophore delivering unparalleled brightness for detection of low-abundance targets.
- very bright
- good for low-expression
- compatible with many antibodies
- larger size may affect steric hindrance
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