Labeling Chemistry
 | Fluorescent labeling of biomolecules enables researchers to detect specific components of complex biological assemblies with exquisite sensitivity in applications ranging from imaging and flow cytometry, to Western blots. Life Technologies offers a full spectrum of Molecular Probes® labeling chemistries for labeling antibodies, proteins, peptides, ligands, synthetic oligonucleotides and other biomolecules for use with immunochemistry, fluorescence in situ hybridization (FISH), cell tracing, receptor labeling, and cytochemistry applications as well as probing biological structure, function and interactions. Also available are tools for conjugation of biotin and other haptens to biomolecules.
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Find Your Labeling Product
Reactive Chemistry Reagents For: |
Labeling Amines
 | Amine-reactive dyes are widely used to modify proteins, peptides, ligands, synthetic oligonucleotides and other biomolecules. They are most often used to prepare bioconjugates for immunochemistry, fluorescence in situ hybridization (FISH), cell tracing, receptor labeling and cytochemistry.
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Labeling Thiols
 | Efficiently prepare fluorescent proteins, peptides, and sulfhydryl-modified oligos for analyzing protein structure and function.
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Click Chemistries
 | Click-iT® chemistry—a powerful method for joining biomolecules quickly and specifically.
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Labeling Carboxylic Acids, Aldehydes & Ketones
 | Efficiently label aldehydes and ketones in low molecular weight structures such as drugs, steroid hormones, reducing sugars, and metabolic intermediates. Learn More about: | Products |
Bifunctional Crosslinking
 | Bifunctional cross-linking reagents to covalently link two target groups, including amine–amine, amine–thiol, and amine–carboxylic acid.
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Labeling Proteins, Peptides & Antibodies
 | A comprehensive selection of innovative and time-tested antibody and protein labeling kits including our monoclonal antibody labeling kits, APEX® antibody labeling kits and our classic protein labeling kits.
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Labeling Nucleic Acids
 | Directly label DNA, RNA, and oligonucleotides with intensely fluorescent Alexa Fluor® dyes.
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Labeling QC & Calibration
 | Optimize results with reference standards to calibrate instruments, compare results, determine degree of labeling, or generate standard curves. | Products |
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