Crosslinking, Labeling and Protein Modification

Alexa Fluor antibody labeling kits are designed for efficiency and reliability, delivering ready-to-use labeled proteins in just 30 minutes, with minimal hands-on time. The kits have been redeveloped with user-friendly, advanced purification columns that

Thermo Scientific™ Pierce AMAS is an amine-to-sulfhydryl crosslinker that contains NHS-ester and maleimide reactive groups at opposite ends of a very short spacer arm (4.4 Ås). Highlights:Reactive groups: NHS ester and maleimideReactive toward: amino and

Invitrogen Dylight Antibody Labeling kits provide everything needed to label 1 mg of antibody or protein with amine-reactive Dylight dye and subsequent free dye removal. Choose from a variety of Dylight fluorophores across the spectrum to covalently labe

Thermo Scientific™ Pierce SATA is a short-chain (2.8 Å spacer arm) reagent for covalent modification of primary amines and addition of a stable yet exposable sulfhydryl group to facilitate heterobifunctional crosslinking strategies. Highlights:Reacts wit

Thermo Scientific™ Pierce Sulfo-SANPAH is a long-arm (18.2 Å) crosslinker that contains an amine-reactive N-hydroxysuccinimide (NHS) ester and a photoactivatable nitrophenyl azide. Highlights:Optimal photolysis occurs at 320-350nm, which limits damage to

Proteinase K digests proteins such as ribonucleases that could interfere with the quantitation of RNA using QuantiGene assays.

TMT10plex Isobaric Label reagents and kits contain ten isobaric compounds with the same mass and chemical structure (i.e., isotopomeric) composed of an amine-reactive NHS-ester group, a spacer arm, and a mass reporter. Up to ten different peptide samples

Thermo Fisher Scientific offers a broad selection of fluorescent wheat germ agglutinin conjugates. These lectins can bind to carbohydrates and are available conjugated to Alexa Fluor™, Alexa Fluor™ Plus, and other fluorescent dyes. Fluorescent wheat germ

Pre-formulated TEAB and 50% hydroxylamine designed for use in TMT labeling and quenching of peptides. Triethylamonium bicarbonate (TEAB) is a 10X dissolution buffer for isobaric mass tag labeling experiments. 50% hydroxylamine is a 10X quenching reagent

The amine-reactive 1-pyrenebutanoic acid, succinimidyl ester can be used to create environment-sensitive bioconjugates with this unique fluorophore.

Oregon Green™ 488 can be used as a reference standard for Oregon Green™ 488 conjugates or a pH sensor of moderately acidic solutions (pKa ∼4.7)

The amine-reactive version of digoxigenin (3-amino-3-deoxygigoxigenin hemisuccinamide, SE) can be used to attach this important hapten to biomolecules of interest for subsequent detection with an anti-digoxigenin antibody.

Our 4-acetamido-4'-maleimidylstilbene-2,2'- disulfonic acid is a thiol-reactive reagent that is water soluble, with high polarity and membrane impermeability. This polysulfonated dye is useful for determining whether thiol-containing proteins and polypep

Searching for superior alternatives to fluorescein? Our Alexa Fluor Dye Series offers everything you're looking for and more.

Fluorescein is a common green-fluorescent derivatization reagent, while succinimidyl esters are frequently used for the labeling of the primary amines (R-NH2) of proteins, amine-modified oligonucleotides, and other amine-containing molecules. This SFX su