Selection Guide Fluorescent dye is a fluorescent chemical compound that can re-emit light upon laser excitation. Fluorophores typically contain several combined aromatic groups, or planar or cyclic molecules with several bonds. PEG spacers increase water solubility, enable efficient biolabeling in imaging and diagnostic R&D. Features: High water solubility, low non-specific binding, high S/N ratio. All the dyes below are arranged by max excitation wavelength.
Pyrene is a polyaromatic hydrocarbon with strong short-wavelength fluorescence. It is sensitive to microenvironment and its fluorescence is different in polar and nonpolar environments. Two pyrenes can form excimers, which can be easily observed and ... Click to read more.
Coumarins are UV-excitable aromatic lactone compound with short emission range. The most commonly used coumarins are coumarin 343, Pacific Blue, 7-aminocoumarin, and AMCA derivatives which are used in multicolor applications with highly ... Click to read more.
BP Fluor 350 (Alexa Fluor 350 Equivalent; AF350) is a moderately photostable, blue-fluorescent probe optimally excited by the 350 nm laser line routinely used for generation of stable signal in imaging and flow cytometry. The brightness and photostab... Click to read more.
BP Fluor 405 (Alexa Fluor 405 Equivalent; AF405) is a water-soluble, blue-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the 4... Click to read more.
BP Fluor 430 (Alexa Fluor 430 Equivalent; AF430) is a water-soluble, green-fluorescent dye that is often used in multi-color applications, including flow cytometry and super-resolution microscopy using STORM. Its excitation is ideally suited for the ... Click to read more.
BP Fluor 488 (Alexa Fluor 488 equivalent; AF488) has high fluorescence intensity over a broad pH range (pH 4-9) and is more photostable than Cy2, Alexa Fluor 488, FITC in many applications. The high-water solubility of BP Fluor 488 allows a D/P ratio... Click to read more.
BP Light 488 (DyLight 488 Equivalent) is a green fluorophore commonly used in applications such as protein labeling, immunolabeling, fluorescence microscopy, and enzyme immunoassays. The dye has an absorption wavelength that peaks around... Click to read more.
MB 488 is a green fluorescent, very hydrophilic dye molecule that has a maximal absorption of 501 nm and emission at 524 nm.
Fluorescein (FAM) is a xanthene universal dye for various applications, compatible with most of existing instruments. It can be used as quantum yield standard and is replaceable with Alexa Fluor 488, DyLight 488... Click to read more.
Thiazole Orange is an asymmetric cyanine dye whose fluorescence highly depends on the local environment. Thiazole Orange is essentially dark in solution; however, its fluorescence increases a thousandfold... Click to read more.
BP Fluor 532 (Alexa Fluor 532 Equivalent; AF532) is a bright yellow-fluorescent dye with pH insensitive emission from pH 4 to pH 10. The excitation of BP Fluor 532 is ideally suited for the frequency-doubled Nd:YAG laser line. BP Fluor 532 can be con... Click to read more.
MB 543 is a very hydrophilic, water-soluble, orange fluorescent dye that has a maximal absorption of 543 nm and emission at 566 nm.
TAMRA has achieved prominence as a dye for oligonucleotide labeling and automated DNA sequencing applications. Reagent grade, for research purpose. Please contact us for GMP-grade inquiries.
BP Fluor 546 (Alexa Fluor 546 equivalent; AF546) is a water-soluble, pH-insensitive (from pH 4-10), orange-fluorescent dye with absorption and emission maxima at 554 and 570 nm, respectively. It can be used with the 488 nm and 532 nm laser lines. BP ... Click to read more.
BP Fluor 555 (Alexa Fluor 555 equivalent; AF555) is a water-soluble, bright orange-fluorescent dye with excitation ideally suited for the 532 nm or 555 nm laser lines and visualized with TRITC (tetramethylrhodamine) filter sets. BP Fluor 555 conjugat... Click to read more.
Cyanine 3 dyes are popular fluorescent dyes compatible with various detection techniques and standard filters. This class includes orange-to-red fluorescence-emitting dyes with excitation/emission maximum 555/570 nm.... Click to read more.
BP Light 550 (DyLight 550 Equivalent) is a vibrant orange-to-red fluorochrome with better performance than other rhodamine derivatives, including Alexa Fluor™ 555, TRITC, and Cy3™ dye for fluorescent... Click to read more.
Rhodamine labeling are supplements to fluoresceins, as they offer longer wavelength emission maxima and provide opportunities for multicolor labeling or staining.... Click to read more.
BODIPY dye is a bright and photostable fluorophore compatible with all types of fluorescence measuring instruments for FAM (fluorescein), Alexa Fluor 488, BODIPY FL. This dye is an excellent choice for microscopy and is also useful for fluorescence p... Click to read more.
BP Fluor 568 (Alexa Fluor 568 equivalent; AF568) dye is a bright, orange-fluorescent dye with excitation ideally suited for the 568 nm laser line on the Ar-Kr mixed-gas laser. BF Fluor 568 dye is pH-insensitive over a wide molar range for stable sign... Click to read more.
Cyanine3.5 is a cyanine dye with bright fluorescence in the yellow-orange spectrum range. Cy3.5 is commonly used as a FRET-donor in a pair with Cyanine5 and as a FRET-acceptor in a pair with Cyanine3.
BP Fluor 594 (Alexa Fluor 594 equivalent; AF594) is bright, water-soluble, and pH-insensitive from pH 4 to pH 10 red-fluorescent dye with absorption and emission maxima at 590 and 617 nm, respectively. It can be used with the 561 nm and 594 nm laser ... Click to read more.
BP Light 594 (DyLight 594 Equivalent) provides vibrant red fluorescence with better performance than Alexa Fluor™ 594 and Texas Red™ dye for fluorescent applications. The high-water solubility of BP Light 594 allows a D/P ratio without... Click to read more.
MB 594 is a very hydrophilic, water-soluble, red fluorescent dye that has a maximal absorption of 605 nm and emission at 635 nm. The compound is also pH insensitive from pH 3 to pH 10.
BP Fluor 633 is a bright and photostable far-red fluorescent probe with excitation ideally suited to the 633 nm or 635 nm laser excitation source. BP Fluor 633 is water-soluble, pH-insensitive from pH 4 to 10. BP Fluor 633 spectrally... Click to read more.
MB 633 is a very hydrophilic, water-soluble, far-red fluorescent dye that has a maximal absorption of 630 nm and emission at 650 nm.
Cy5/ Cyanine 5 are popular fluorescent dyes compatible with various detection techniques and standard filters. This class includes far-red fluorescence-emitting dyes with excitation/emission maximum 646/662 nm.... Click to read more.
BP Fluor 647 (Alexa Fluor 647 equivalent; AF647) is a bright green-fluorescent dye optimal for use with the 633, 650 nm Argon laser. The dye is water soluble and pH-insensitive from pH 4 to pH 10. The dye has 4 sulfonate groups make it high water sol... Click to read more.
BP Light 650 (DyLight 650 Equivalent) provides vibrant far-red fluorescence with comparable or improved performance over other dyes, including Alexa Fluor™ 647 and Cy5™ dye, for fluorescent applications.
IR 650 is a very hydrophilic, water-soluble, far-red fluorescent dye that has a maximal absorption of 651 nm and emission at 668 nm.
BP Fluor 660R is a bright and photostable far-red dye that emits fluorescence at about 685 nm in the borderline spectral region between far-red and near-IR. Although the absorption maximum is at around 665 nm, this dye can be sufficiently excited by the 633 or 635 nm laser.
MB 660R is a bright and photostable far-red dye that emits fluorescence at about 685 nm in the borderline spectral region between far-red and near-IR. Although the absorption maximum is at around 665 nm, this dye can be sufficiently excited by... Click to read more.
BP Fluor 680 (Alexa Flour 680 Equivalent) is a bright and photostable fluorescent dye with an excitation peak at 681 nm and an emission peak at 704 nm. It is spectrally identical to Alexa Fluor® 680 and IRDye® 680RD. BP Fluor 680 is often u... Click to read more.
Cyanine 5.5 dyes are popular fluorescent dyes compatible with various detection techniques and standard filters. This class includes near-infrared (IR) fluorescence-emitting dyes with excitation/emission maximum 673/707 nm.... Click to read more.
BP Light 680 (DyLight 680 Equivalent) has the spectrum is comparable to Cy5.5™ dye and Alexa Fluor™ 680, IRD 700. It can be conjugated to antibody with higher D/P ratio without causing fluorescence quenching and... Click to read more.
MB 680R is a bright and photostable near IR dye that emits fluorescence at about 700 nm in the borderline spectral region between far-red and near-IR. MB 680R dye is water soluble and pH-insensitive from pH 4 to pH... Click to read more.
IR 680LT is a far-red, water-soluble dye that is structurally very similar to the commonly used Cy5.5 fluorescent dye.
Cyanine 7 dyes are popular fluorescent dyes compatible with various detection techniques and standard filters. This class includes near-infrared (IR) fluorescence-emitting dyes with excitation/emission maximum 750/773 nm.... Click to read more.
IR 750 is a near-red, water-soluble dye that is structurally similar to other 750 dyes which absorb at 756 nm and emit at 776 nm.
BP Light 800 (DyLight 800 Equivalent) has spectral properties that are very similar to other near-IR dyes, including Alexa Fluor™ 790 and IRDye™ 800. The high water solubility of BP Light Fluor means that a... Click to read more.
800CW dye (IRDye 800CW Equivalent) features as a near-infrared high water-soluble fluorescent dye with excitation/emission maximum 780/800 nm. The dye can be used for protein and antibody labeling, or nucleic acid applications with high labeling dens... Click to read more.
A fluorescence quencher, or ‘dark fluorophore,’ is a molecule that absorbs the photon emitted from a fluorophore but does not emit energy in the form of light, thereby suppressing fluorescence emission.