Custom Antibody Labeling


Columbia Biosciences has over 20 years of antibody and protein conjugation experience. We provide conjugation services for both research and commercial use and offer a wide selection of labels, including fluorescent dyes, enzymes, proteins, haptens and PEG along with a choice of labeling chemistries. Our team of experts will help you choose the right fluorophore and conjugation chemistry to meet your needs.

Advantages of Working with Columbia Biosciences:

  • Average turnaround time is less than 2 weeks
  • Largest selection of fluorophores, proteins and enzymes
  • Large and small scale capabilities
  • In-house purity testing to > 95% via SEC-HPLC

Custom Labeling Fluorophores and Biomolecules:

NameAbsorption (nm)Emission (nm)
Alexa Fluor® 488490525
Alexa Fluor® 555555580
Alexa Fluor® 647650665
Alexa Fluor® 750749775
APC (Allophycocyanin)650660
APC Cyanine 7650785
Atto 490 LS496661
B-PE (B-Phycoerythrin)488575
Carboxyfluorescein494512
Cyanine 5.5682702
DyLight® 405400420
DyLight® 488493518
DyLight® 550562576
DyLight® 594593618
DyLight® 650652672
Europium 8044320, 340665
Europium 1024320, 340620
FITC494512
Pacific Blue405455
PBXL-3614662
PerCP - Cyanine 5.5 Tandem483702
PerCP - (Peridinin Chlorophyll)483676
PerCP- Cyanine 7 Tandem488580>780
RPC545642
RPE (R-Phycoerythrin)498, 565573
RPE-Alexa Fluor® 700 Tandem498, 566696
RPE-Cyanine 5.5 Tandem498, 565695
RPE-Cyanine 7 Tandem498, 565777
RPE-DyLight® 594 Tandem498, 565610
RPE-DyLight® 633 Tandem498, 565650
RPE-DyLight® 650 Tandem498, 565672
SureLight™ 488496517
Terbium320, 340570
TF5SE (Tide Fluor 5)649664
Alkaline Phosphatase
Biotin
HRP (Horseradish Peroxidase)
PEG
DIG
DNP
Acridinium Ester
Ruthenium (Sulfo-Tag)

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