coupling

C.I. Azoic Coupling Component 5 is an indicator of fluorescent.

FITC-Dextran (MW 10000) is a marker (10 kDa) formed by coupling FITC to dextran. FITC-Dextran is a labeled polysaccharide composed of branched glucose molecules of various lengths, enabling the determination of solute, ionic, and protein permeability of the blood-brain barrier depending on the size of the dextran used.

Alizarine Yellow R is a yellow colored azo dye. Alizarine Yellow R made by the diazo coupling reaction.

C.I. 37550 is an indicator of fluorescent.

L-β-ethynylserine (βES), an analog of serine, efficiently incorporates into newly synthesized proteins. Its azido group facilitates coupling with fluorescent dyes or affinity tags, enabling protein enrichment or visualization.

C.I. 37505 is an azo dye coupling component.It implicated in occupational pigmented contact dermatitis.

PUN00551, also known as Pyrenebutyricamide-PEG5-amine, TFA salt, is a compound formed by the combination of pyridine and PEG-amine. PUN00551 exhibits specific properties in carboxylic acid coupling, making it useful for synthesizing dyes and nanotubes. As it currently lacks an official name, a provisional code name has been assigned according to MedKoo chemical naming conventions [refer to webpage: https: www.medkoo.com page naming] for ease of communication.

NBD-Fructose is a fluorescent derivative of fructose, formed by coupling NBD chloride with the amino group of aminofructose (EX Em=472 538 nm).

BODIPY R6G NHS ester is a chemical compound characterized by the presence of BODIPY (boron dipyrromethene) and Rhodamine 6G structures, combined with an NHS (N-hydroxysuccinimide) ester active group. This composition enables efficient and specific covalent coupling with amino groups on biomolecules such as proteins and nucleic acids, making it suitable for applications in bio-labeling, fluorescence imaging, and biosensing. The compound's unique fluorescent properties allow it to maintain high brightness and stability even in complex biological environments. Its excitation emission wavelengths are 530 nm and 545 nm, respectively.

PA Janelia Fluor 646, SE (PA-JF646-NHS), a photoactivatable fluorescent dye, is an NHS ester for coupling to primary amine groups. PA-JF646-NHS is non-fluorescent until activated at 365 nm. NHS ester can be converted to relevant substrate for use in self-labeling tag systems, e.g.HaloTag and SNAP-tag . PA-JF646-NHS is used for single molecule tracking and super resolution microscopy in live cells, specifically live cell sptPALM and fixed cell PALM. (λ Excitation emission ~650 664 nm).

PYBG serves as a flexible precursor for facile conjugation with diverse fluorescent dyes using 'Click chemistry' and Sonogashira coupling reactions.

Seph-PAO, a modified form of polyalphaolefin (PAO) compound, is created by coupling a sepharose fluorophore. Its primary application lies in the detection of thioredoxin reductase (TrxR).

TAMRA hydrazide (6-isomer) is a xanthene red fluorophore and click chemistry reagent designed for labeling carbonyl compounds, including aldehydes and ketones, by coupling its hydrazide group to the target carbonyl and incorporating the fluorescent TAMRA label via reactions with terminal alkynes [1].

ODIPY FL EDA free base, an amine-based green fluorescent probe, possesses an R-NH2 group able to undergo coupling with aldehydes or ketones, forming reversible Schiff base adducts. These intermediates can be subsequently converted into stable amine derivatives through reduction with agents like sodium borohydride or sodium cyanoborohydride. The compound is applicable in the detection of both modified and normal deoxynucleotides, as well as in illustrating DNA damage and genomic DNA methylation.

Bdp TR NHS Ester is a chemiluminescent coupling agent featuring an extended excited state lifetime, ideal for applications in immunoassays, microscopy, and fluorescence polarization analysis. This compound efficiently and specifically reacts with primary amine groups, including lysine residues or amino silane-coated surfaces, facilitating covalent bond formation under neutral or mildly basic conditions [1].

AF430 NHS ester, a derivative of the yellow fluorescent dye AF 430, is an AF 430 maleimide with an excitation wavelength of 430 nm and an emission wavelength of 542 nm. AF430 NHS ester is used for labeling amino-groups in peptides, proteins, and oligonucleotides to achieve specific coupling of dye labels and biomolecules.

Catechol violet, an efficient and versatile ligand for Cu(I)-catalyzed C-S coupling reactions, also serves as a complexometric indicator dye [1] [2].

Lucifer yellow ethylenediamine (LYen; PAsp-LY) serves as a polar tracer that readily forms Schiff bases through coupling with aldehydes and ketones. These bases can subsequently be converted into stable amine derivatives via reduction using either sodium borohydride (NaBH4) or sodium cyanoborohydride (NaCNH3).

Sulfo-Cy3 hydrazide, a Cyanine 3 (Cy3) dye derivative, features hydrazine functionality and enhanced water solubility due to the presence of a sulfonate ion, making it ideal for aqueous solutions. Known for its fluorescence, Cy3 emits within the green to orange wavelength range. The hydrazide group enables hydrazinone coupling with aldehyde or ketone-bearing molecules, forming covalent bonds. This property allows Cy3 azide plus to attach to biomolecules, such as proteins and antibodies, for tracing their locations and dynamic changes in biological samples.

AF488 DBCO ditriethylamine is the ditriethylamine salt form of AF488DBCO, which is a fluorescent dye designed to label biomolecules containing azides. DBCO serves as a bioorthogonal partner for azides, allowing for copper-free covalent coupling. AF488 features a bright and photostable green fluorescent group.