Fluorophores

Lumiprobe manufactures and offers a range of fluorophores of different classes for various applications. Currently available fluorophores are summarized at this page. Click fluorophore name to read description and see a list of products containing it.

Please also check our fluorophore chart summarizing dye excitation and emission wavelengths.

Cyanine3

Cyanine3 is a cyanine fluorophore with yellow emission. It has a very high extinction coefficient that makes it bright. Often used for microscopy, Cy3 channel is available on many instruments.

Cyanine3.5

Excitation and emission wavelengths of Cyanine3.5 are intermediate between those for Cyanine3, and Cyanine5.

Cyanine5

Cyanine5 is one of the most popular fluorophores for different applications, compatible with a number of various fluorescent instruments. It is used for microscopy including STORM, for qPCR, in FRET experiments with Cyanine3 donor, and for many other applications.

Cyanine5.5

Far red / near infrared dye for applications requiring low background. Suitable for in vivo imaging applications.

Cyanine7

Near infrared cyanine fluorophore with a rigidized structure for improved quantum yield - a good choice for in vivo imaging.

Cyanine7.5

Near infrared fluorophore useful for non-invasive in vivo imaging. Absorption properties are similar to indocyanine green (ICG), but possesses higher fluorescence quantum yield.

sulfo-Cyanine3

Water soluble, sulfonated version of Cyanine3, universal fluorophore with excellent photophysical properties, an equivalent of Cy3® dye.

sulfo-Cyanine5

Sulfonated, water soluble version of Cyanine5 fluorophore, equivalent of Cy5®, a universal dye. Very bright dye with red emission. Most fluorescent instruments with filters have an appropriate channel for this dye.

sulfo-Cyanine5.5

Sulfo-Cyanine5.5 is a sulfonated far red emitting fluorophore which is highly water-soluble and hydrophilic.

sulfo-Cyanine7

Near infrared water soluble cyanine fluorophore, mainly useful for non-invasive in vivo imaging.

sulfo-Cyanine7.5

Sulfo-Cyanine7.5 is a water soluble near infrared fluorophore. Its absorption spectrum, structure, and hydrophilicity resemble indocyanine green (ICG), but it has a significantly higher fluorescence quantum yield. This dye is useful for non-invasive in vivo NIR imaging.

BDP FL

Borondipyrromethene dye for fluorescein (488 nm) channel - very bright and photostable fluorophore.

BDP R6G

BDP R6G is a borondipyrromethene dye which is specially tuned to match excitation and emission channels of the classical rhodamine 6G dye. BDP R6G possesses a high extinction coefficient, and excellent quantum yield. The fluorophore is ideal for various labeling applications.

BDP TMR

Borondipyrromethene fluorophore with absorption and emission spectra similar to TAMRA, but much brighter, and very photostable.

BDP 581/591

BDP 581/591 is a relatively hydrophobic borondipyrromethene fluorophore that can be used to probe reactive oxygen species (ROS), or as a fluorescence polarization tracer. It has high brightness, significant two photon cross-sections, and relatively long fluorescence lifetime.

BDP TR

Borondipyrromethene dye for ROX/Texas Red channel.

BDP 630/650

BDP 630/650 is a bright and photostable far red fluorophore. It possesses narrow absorption and emission peaks, high extinction coefficient and quantum yield. Its relatively long excited state lifetime makes it ideal for two photon experiments, and for fluorescence polarization assays.

Fluorescein (FAM)

Traditional fluorescein (FAM) fluorophore - universal dye useful for various applications, compatible with most of existing fluorescent instruments. All products are available as pure 5- or 6-isomers.

TAMRA (TMR, tetramethylrhodamine)

Tetramethylrhodamine (TMR, TAMRA) fluorophore is a traditional rhodamine dye which forms a FRET pair with fluorescein.

ROX (Rhodamine X, Rhodamine 101)

ROX (rhodamine X or rhodamine 101) is a bright rhodamine dye that has found particularly wide use in qPCR.

Coumarin 343

Coumarin 343 is a blue emitting fluorophore that forms a FRET pair with FAM as a donor.

Pyrene

Pyrene is a fluorescent polycyclic aromatic hydrocarbon. It is useful as a proximity sensor - when two pyrene residues are spaced close to each other, they exhibit easily detectable excimer fluorescence.

Phenylethynyl-pyrene (PEP)

Phenylethynylpyrene (PEP) is a pyrene derivative with red-shifted absorption and emission spectra. Fits blue channel of qPCR instruments, can be used for multiplex experiments.

Perylene

Bright and extremely photostable polycyclic aromatic hydrocarbon fluorophore with the quantum yield approaching unity, especially useful for materials science, and supramolecular constructs.
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