Cyanine Dyes
Cyanine dyes are molecules containing polymethine bridge between two nitrogen atoms with a delocalized charge.
Due to their structure, cyanines have outstandingly high extinction coefficients often exceeding 100,000 Lmol-1cm-1. Different substituents allow to control properties of the chromophore, such as absorbance wavelength, photostability, and fluorescence. For example, absorbance and fluorescence wavelength can be controlled by a choice of polymethine bridge length: longer cyanines possess higher absorbance and emission wavelengths up to near infrared region.
Cyanine dyes are molecules containing polymethine bridges between two nitrogen atoms with a delocalized charge which have been used for many years as dyes in life science. Since the Cy3, Cy5 and Cy7 were made commercially available as succinimidyl esters in the early 1990s, cyanine dyes began to be used widely as labels for nucleic acids. Because of the good properties of low non-specific binding to biomolecules and bright fluorescence owing to their huge extinction coefficients and good quantum yields, the Cy dyes have been widespread used in DNA and RNA labelling. Cyanine dyes can be divided into two groups based on water solubility: non-sulfonated cyanines and sulfonated cyanines.
Non-sulfonated cyanines
Available non-sulfonated dyes include Cy3, Cy3.5, Cy5, Cy5.5, Cy7, and Cy7.5. Cy stands for 'cyanine', and the first digit identifies the number of carbon atoms between the indolenine groups. The suffix .5 is added for benzo-fused cyanines. Most derivatives of non-sulfonated cyanines have low aqueous solubility except for hydrochlorides of hydrazides and amines. They are organic co-solvent soluble (5-20% of DMF or DMSO). When these molecules are used for biomolecule labeling, they should be dissolved in organic solvent first, and added to a solution of biomolecule (protein, peptide, amino-labeled DNA) in appropriate aqueous buffer. Fluorescent properties of non-sulfonated cyanines have little dependence on solvent and surrounding.
Sulfonated cyanines
Available sulfonated cyanines include sulfo-Cy3, sulfo-Cy5, and sulfo-Cy7, which have additional sulfo-groups that facilitate dissolution of dye molecules in aqueous phase. Charged sulfonate groups decrease aggregation of dye molecules and heavily labeled conjugates. Sulfonated cyanines are highly water soluble, and they do not use organic co-solvent for the labeling in aqueous environment.
Products for Cyanine Dyes
- Cat.No. Nom du produit Informations
- GC15113 Cy3 alkyne (non-sulfonated) used for Click chemistry to label any molecule bearing azide group.
- GC14171 Cy3 azide used for Click chemistry to label alkyne-modified oligonucleotides
- GC17605 Cy3 azide (non-sulfonated) used for Click chemistry to label alkyne-modified oligonucleotides
- GC19616 Cy3 Bis carboxylic acid
- GC19614 Cy3 Bis NHS ester
- GC17551 Cy3 carboxylic acid (non-sulfonated) Non-reactive fluorophore, for control experiments, and for calibration
- GC19618 Cy3 carboxylic acid(Et)
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GC11356
Cy3 hydrazide (non-sulfonated)
carbonyl-reactive dye
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GC17345
Cy3 NHS ester
Cyanine3 NHS ester
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GC12618
Cy3 NHS ester (non-sulfonated)
Protocole de préparation et purification de l'ester NHS Cyanine3 - Protéine (pro-FD) : Les colorants séchés (ester NHS Cyanine3) ont été dissous à 1 mg/ml dans du DMF anhydre et stockés congelés en aliquotes.
- GC16358 Cy3 NHS ester for 2D electrophoresis Cy3 dye for 2D electrophoresis, a component of 3Dye 2D DIGE Kits.
- GC19612 Cy3 NHS ester(Et)
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GC16524
Cy3-dUTP
Aminoallyl-dUTP - Cy3; 5-(3-Aminoallyl)-2'-deoxyuridine-5'-triphosphate, labeled with Cy3, Triethylammonium salt; Cy3 dUTP
Direct enzymatic labeling of DNA/cDNA e.g. by PCR and Nick Translation - GC35767 Cy3-N3 Cy3-N3 est un colorant fluorescent Cy3-azide utilisé pour marquer les protéines et les acides nucléiques.
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GC35768
CY3-SE
Cy3 NHS ester, N-hydroxysuccinimidyl Ester Cy3
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GC30161
CY3-YNE
Sulfo-Cyanine3-alkyne
CY3-YNE (Sulfo-Cyanine3-alcyne) est un colorant pour le marquage des protéines solubles, des peptides et des oligonucléotides/ADN. - GC19610 Cy3.5 alkyne (non-sulfonated)
- GC12923 Cy3.5 azide (non-sulfonated) used for Click chemistry to label alkyne-modified oligonucleotides
- GC13938 Cy3.5 hydrazide (non-sulfonated) carbonyl-reactive dye
- GC12024 Cy3.5 maleimide (non-sulfonated) Labeling of cysteine residues, as well as other thiolated molecules
- GC17971 Cy3.5 NHS ester (non-sulfonated)
- GC35769 CY5 Cy5 (Sulfo-Cyanine5) est un colorant réactif pour le marquage des groupes amino dans les peptides, les protéines et les oligonucléotides.
- GC47136 Cy5 (triethylamine salt) A cyanine-containing fluorochrome
- GC15007 Cy5 alkyne (non-sulfonated) used for Click chemistry to label any molecule bearing azide group.
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GC14394
Cy5 amine (non-sulfonated)
Cyanine5 amine
can be conjugated with reactive groups such as NHS esters, carboxy groups (after carbodiimide activation), and epoxides. - GC12452 Cy5 azide
- GC12480 Cy5 azide (non-sulfonated) used for Click chemistry to label alkyne-modified oligonucleotides
- GC19617 Cy5 Bis carboxylic acid
- GC19615 Cy5 Bis NHS ester
- GC10748 Cy5 Boc-hydrazide (non-sulfonated) carbonyl-reactive dye
- GC15339 Cy5 carboxylic acid Non-reactive fluorophore, for control experiments, and for calibration
- GC12471 Cy5 carboxylic acid (non-sulfonated) Non-reactive fluorophore, for control experiments, and for calibration
- GC19619 Cy5 carboxylic acid(Et)
- GC15809 Cy5 hydrazide (non-sulfonated) carbonyl-reactive dye
- GC18124 Cy5 maleimide (non-sulfonated) Labeling of cysteine residues, as well as other thiolated molecules
- GC12907 Cy5 NHS ester Cy5 NHS ester (Cyanine5 NHS ester) est un colorant fluorescent émettant dans le rouge utilisé pour le marquage des groupes amino dans les peptides, les protéines et les oligonucléotides.
- GC10047 Cy5 NHS ester (non-sulfonated)
- GC13999 Cy5 NHS ester for 2D electrophoresis Cy5 dye for 2D electrophoresis, a component of 3Dye 2D DIGE Kits.
- GC19613 Cy5 NHS ester(Et)
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GC30247
CY5-N3
Sulfo-Cyanine5-azide
CY5-N3 est un Cy5-azide, qui est un colorant fluorescent. - GC61630 Cy5-PEG3-azide Le Cy5-PEG3-azide est un lieur PROTAC À base de PEG qui peut être utilisé dans la synthèse des PROTAC.
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GC35771
CY5-SE
Cy5 NHS Ester
Cy5-SE (Cy5 NHS Ester) est un colorant réactif pour le marquage des groupes amino dans les peptides, les protéines et les oligonucléotides. -
GC47137
Cy5-SE (triethylamine salt)
Sulfo-Cy5
Le sel de triéthylamine Cy5-SE (Cy5 NHS Ester) est un colorant réactif pour le marquage des groupes amino dans les peptides, les protéines et les oligonucléotides. -
GC30117
CY5-YNE
Sulfo-Cyanine5-alkyne
CY5-YNE (Sulfo-Cyanine5-alcyne) est un colorant réactif pour le marquage des groupes amino dans les peptides, les protéines et les oligonucléotides. -
GC39818
Cy5.5
Sulfo-Cyanine5.5
Cy5.5 (Sulfo-Cyanine5.5) est un colorant fluorescent dans le proche infrarouge (Ex = 673 nm, Em = 707 nm) utilisé pour marquer des molécules biologiques, telles que des peptides, des protéines et des oligonucléotides. - GC19611 Cy5.5 alkyne (non-sulfonated)
- GC14684 Cy5.5 azide (non-sulfonated) used for Click chemistry to label alkyne-modified oligonucleotides
- GC16132 Cy5.5 carboxylic acid (non-sulfonated) Non-reactive fluorophore, for control experiments, and for calibration
- GC12343 Cy5.5 hydrazide (non-sulfonated) carbonyl-reactive dye
- GC10412 Cy5.5 maleimide (non-sulfonated) Labeling of cysteine residues, as well as other thiolated molecules
- GC11653 Cy5.5 NHS ester (non-sulfonated) Cy5.5 NHS ester est un colorant proche infrarouge réactif aux amines utilisé pour le marquage des groupes amino des peptides, des protéines et des oligonucleotides.
- GC35772 CY7 Cy7 (Sulfo-Cyanine7) est un marqueur de fluorescence (Ex=750 nm, Em=773 nm).
- GC10791 Cy7 azide (non-sulfonated) used for Click chemistry to label alkyne-modified oligonucleotides
- GC11206 Cy7 carboxylic acid (non-sulfonated) Non-reactive fluorophore, for control experiments, and for calibration
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GC35773
Cy7 DiC18
DiR
Cy7 DiC18 est un colorant cyanine fluorescent lipophile dans le proche infrarouge utilisé pour la coloration des membranes. - GC17124 Cy7 maleimide (non-sulfonated)
- GC16967 Cy7 NHS ester
- GC11841 Cy7 NHS ester (non-sulfonated)
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GC35775
CY7-N3
Sulfo-Cyanine7-N3
CY7-N3 (Sulfo-Cyanine7-N3) est un azide de colorant NIR soluble dans l'eau pour Click Chemistry. -
GC30261
CY7-SE
Cy7 NHS Ester, N-hydroxysuccinimidyl Ester Cy7
CY7-SE (Sulfo-Cyanine7 Succinimidyl Ester) est un marqueur de fluorescence (Ex=700-770 nm, Em=790 nm). -
GC39807
CY7-SE triethylamine
Sulfo-Cyanine7 Succinimidyl Ester triethylamine
La triéthylamine CY7-SE (Sulfo-Cyanine7 Succinimidyl Ester triethylamine) est un agent de marquage par fluorescence (Ex = 700-770 nm, Em = 790 nm). - GC35776 Cy7-YNE Cy7-YNE est un agent de marquage par fluorescence (Ex=700-770 nm,Em=790 nm). Les colorants cyanine sont utilisés pour marquer les protéines, les anticorps et les peptides.
- GC35774 Cy7.5 Cy7.5 est un agent d'imagerie par fluorescence (FI) (Ex = 700-770 nm, Em = 790 nm) ainsi qu'un agent d'imagerie par résonance magnétique (IRM).
- GC10286 Cy7.5 azide (non-sulfonated) used for Click chemistry to label alkyne-modified oligonucleotides
- GC17115 Cy7.5 carboxylic acid (non-sulfonated) Non-reactive fluorophore, for control experiments, and for calibration
- GC10798 Cy7.5 maleimide(non-sulfonated) Labeling of cysteine residues, as well as other thiolated molecules
- GC14305 Cy7.5 NHS ester (non-sulfonated) Labeling of amino-groups in biomolecules.
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GC43337
Cyanine
Cyanine Blue GR, NK 1486, Quinoline blue
Cyanine is an organic dye composed of two N-heterocycles surrounding a polymethine. - GC50457 Cyanine 3 Tyramide La cyanine 3 tyramide (Tyramide-Cy3), un colorant fluorescent orange, est utilisée comme substrat fluorescent rapporteur pour le dépÔt catalysé par la peroxydase de raifort (HRP) qui est une technique d'amplification du signal dans les immunoessais et l'hybridation in situ des acides nucléiques .
- GC50458 Cyanine 5 Tyramide La cyanine 5 tyramide (Tyramide-Cy5), un colorant fluorescent rouge, est utilisée comme substrat fluorescent rapporteur pour le dépÔt catalysé par la peroxydase de raifort (HRP) qui est une technique d'amplification du signal dans les immunodosages et l'hybridation in situ des acides nucléiques .
- GC59091 Cyanine3 alkyne
- GC59122 Cyanine3 amine L'amine Cyanine3, un analogue de l'amine Cyanine3, est un puissant colorant fluorescent vert.
- GC59110 Cyanine3 azide
- GC59073 Cyanine3 carboxylic acid
- GC59195 Cyanine3 DBCO
- GC59097 Cyanine3 hydrazide
- GC59137 Cyanine3 maleimide
- GC59156 Cyanine3 tetrazine
- GC18067 Cyanine3.5 alkyne dye alkyne for click chemistry
- GC59150 Cyanine3.5 azide
- GC13420 Cyanine3.5 carboxylic acid Non-reactive reference dye or control
- GC59164 Cyanine3.5 NHS ester
- GC59102 Cyanine5 alkyne L'alcyne cyanine5 (Alkyne-Cy5) est un colorant fluorescent utilisé pour marquer les protéines azotures et peut être utilisé pour analyser les modifications post-traductionnelles des protéines, la glycosylation, etc. cellules (CSC).
- GC59133 Cyanine5 amine La cyanine5 amine est un puissant colorant fluorescent.
- GC59117 Cyanine5 azide
- GC59125 Cyanine5 Boc-hydrazide
- GC59085 Cyanine5 carboxylic acid
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GC59198
Cyanine5 DBCO
DBCO-Cy5; Cyanine5 dibenzocyclooctyne
Cyanine5 DBCO (DBCO-Cy5) est une sonde réactive À l'azide soluble dans l'eau et À faible toxicité (colorant fluorescent NIR), pour l'imagerie de biomolécules marquées À l'azide via une réaction « click-through » sans cuivre. reaction.en_fr_2022q1.md - GC59107 Cyanine5 hydrazide L'hydrazide de cyanine5 (chlorhydrate de Cy5-hydrazide) est un colorant fluorescent pour les aldéhydes et les cétones.
- GC59130 Cyanine5 maleimide
- GC59139 Cyanine5 NHS ester
- GC60116 Cyanine5 NHS ester chloride Le chlorure d'ester Cyanine5 NHS est un colorant fluorescent émettant dans le rouge pour le marquage des groupes amino dans les peptides, les protéines et les oligonucléotides .
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GC19585
Cyanine5 NHS ester iodide
Cyanine5 NHS ester iodide is a red emitting fluorescent dye for labeling of amino-groups in peptides, proteins, and oligonucleotides
- GC59181 Cyanine5 tetrazine La cyanine5 tétrazine, un fluorophore, est une molécule qui contient un cyano5 fluorophore et une fraction tétrazine.
- GC17211 Cyanine5.5 alkyne L'alcyne Cyanine5.5, un colorant fluorescent dans le proche infrarouge (NIR), est une Cyanine5.5 modifiée par un alcyne (Ex = 680 nm, Em = 710 nm).
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GC59167
Cyanine5.5 amine
Cy 5.5 amine; Lumiprobe Cy 5.5 amine
La cyanine5.5 amine (Cy 5.5 amine), un analogue de Cy5.5, est un colorant fluorescent dans le proche infrarouge (NIR) (Ex = 648 nm, Em = 710 nm). -
GC59146
Cyanine5.5 azide
CY 5.5 azide; Lumiprobe CY 5.5 azide
- GC59119 Cyanine5.5 carboxylic acid
- GC59210 Cyanine5.5 DBCO
- GC59140 Cyanine5.5 hydrazide