Label Coupling

CY5-YNE (Sulfo-Cyanine5-alkyne) is a class of near-infrared fluorescent dye derivatives used in research related to the labeling of proteins, peptides, nucleic acids, and nanomaterials. CY5-YNE is a click chemistry reagent. It contains an Alkyne group and can undergo copper-catalyzed azide-alkyne cycloaddition (CuAAc) with molecules containing Azide groups. CY5-YNE exhibits photostable emission properties in imaging applications, enabling covalent labeling of azide-modified substrates.

3-(2-Furoyl)quinoline-2-carboxaldehyde is a multifunctional dye. Dyes are important tools in biological experiments. They can help researchers observe and analyze cell structures, track biomolecules, evaluate cell functions, distinguish cell types, detect biomolecules, study tissue pathology and monitor microorganisms. Their applications range from basic scientific research to clinical A wide range of diagnostics. Dyes are also widely used in traditional fields such as textile dyeing, as well as in emerging fields such as functional textile processing, food pigments and dye-sensitized solar cells.

Vari Fluor 555 SE (VF 555 SE) is a dye marker of the Vari Fluor SE series (Ex/Em=550 nm/561 nm). The Vari Fluor SE series of dyes are a class of fluorescent dyes containing NHS ester groups used to label free amines (-NHX) on antibodies, proteins, peptides, amine-modified oligonucleotides and other biomolecules.

Vari Fluor 488-dUTP (VF 488-dUTP) can replace its natural counterpart, dTTP, by enzymatic incorporation into DNA/cDNA. Vari Fluor 555-dUTP can be used to produce biotinylated DNA probes in a variety of assay applications.

NBD-X acid is a fluorescent probe containing a nitrobenzoxadiazole group. NBD-X acid can be used to study the structure and function of biomolecules.

Cyanine5.5 alkyne chloride is an alkynyl-modified near-infrared (NIR) fluorescent dye (Ex=678 nm, Em=694 nm). Cyanine5.5 alkyne chloride can react with azides for click chemistry labeling.

DACM (N-(7-Dimethylamino-4-methyl-3-coumarinyl)maleimide) is a thiol-directed fluorescent dye (Ex=396 nm, Em=468 nm).

NBD-X, SE, the acceptor fluorophore, can be used to create environment sensitive bioconjugates.

Cy2 Iodide is a CY dye. CY, short for Cyanine, is a compound consisting of two nitrogen atoms connected by an odd number of methyl units. Cyanine compounds have the characteristics of long wavelength, adjustable absorption and emission, high extinction coefficient, good water solubility and relatively simple synthesis. CY dyes are of en used for the labeling of proteins, antibodies and small molecular compounds. For the labeling of protein antibodies, the combination can be completed through a simple mixing reaction. Below, we introduce the labeling method of protein antibody labeling, which has certain reference significance.

BG-DBCO (SNAP-DBCO) is a key bifunctional reagent that acts as a "bridge" in the ClickRNA-PROTAC system. BG-DBCO possesses a SNAPTag covalent anchoring handle and a copper-free click chemistry handle: one end covalently locks SNAPTag fusion proteins via BG, while the other end captures azide-modified target protein ligands through copper-free click chemistry (SPAAC), thereby assembling the "exogenous E3 fusion protein" and "POI ligand" into a complete PROTAC ternary complex in living cells.

Vari Fluor 405 SE (VF 405 SE) is a dye marker of the Vari Fluor SE series (Ex/Em=399 nm/421 nm). The Vari Fluor SE series of dyes are a class of fluorescent dyes containing NHS ester groups used to label free amines (-NHX) on antibodies, proteins, peptides, amine-modified oligonucleotides and other biomolecules.

Vari Fluor 750 SE (VF 750 SE) is a dye marker of the Vari Fluor SE series (Ex/Em=747 nm/770 nm). The Vari Fluor SE series of dyes are a class of fluorescent dyes containing NHS ester groups used to label free amines (-NHX) on antibodies, proteins, peptides, amine-modified oligonucleotides and other biomolecules.

Vari Fluor 680 Carboxylic acid (VF 680 Carboxylic acid) free acid is a carboxylic acid derivative of Vari Fluor. Vari Fluor carboxylic acid derivatives are unactivated labeled fluorescent dyes for protein, antibody, and polysaccharide labeling that require carboxylic acid activation for use.

Vari Fluor 425 SE (VF 425 SE) is a dye marker of the Vari Fluor SE series (Ex/Em=430 nm/475 nm). The Vari Fluor SE series of dyes are a class of fluorescent dyes containing NHS ester groups used to label free amines (-NHX) on antibodies, proteins, peptides, amine-modified oligonucleotides and other biomolecules.

6-TRITC (Tetramethylrhodamine-6-isothiocyanate) is a potent fluorescent tracer. 6-TRITC can be used as an probe for haptenated proteins/peptides for the research of contact allergy. 6-TRITC can be used as a tracer for the confocal imaging in living cells.

Sulfo-Cyanine5.5 alkyne, a near-infrared (NIR) fluorescent dye, is an alkyne modified Sulfo-Cyanine5.5 (Ex=67 8nm, Em=694 nm). Sulfo-Cyanine5.5 alkyne can react with azides for Click Chemistry labeling.

4-Bromomethyl-6,7-dimethoxycoumarin is a fluorescent label for carboxylic acids in chromatographic detection.

3,3-Diethylthiacarbocyanine iodide is a cyanine dye. 3,3-Diethylthiacarbocyanine iodide can be used in photochemical methods.

FM-red (PSH-red) is a red-emitting and environment-sensitive probe for selectively detecting and labeling protein thiols. FM-red can be used to image protein sulfhydryl groups in live cells and in vivo. FM-red also could be used to measure of the redox states of thioredoxin (Trx).

DBCO-PEG12-TCO cantains a TCO and a DBCO moiety. TCO group can specifically react with terrahydrazine. DBCO-PEG12-TCO is a click chemistry reagent, it contains a DBCO group that can undergo strain-promoted alkyne-azide cycloaddition (SPAAC) with molecules containing Azide groups. DBCO-PEG12-TCO also contains a TCO group that can undergo an inverse electron demand Diels-Alder reaction (iEDDA) with molecules containing Tetrazine groups.