Illuminate the Full Spectrum of Possibilities​

A broad portfolio of high-quality fluorophores to suit your specific scientific needs
Vector Laboratories offers a diverse catalog of fluorescent dyes engineered to support a wide range of applications
With multiple chemistries for easy conjugation to a variety of biomolecules, Vector fluorophores meet a wide range of scientific research needs. Our portfolio includes fluorescent dyes with top-tier performance, covering the full spectral range from UV to near-infrared, and featuring multiple reactive groups for versatile labeling. Backed by robust technical support, rigorous quality standards, and scalable manufacturing, Vector Laboratories ensures cost-effective solutions for research and development in academia and industry.

Comprehensive
Product Portfolio

An array of functionalized fluorophores for numerous applications

  • Broad spectral coverage
  • A wide selection of reactive groups and fluorescent dye types
  • Unique performance characteristics

Superior
Quality & Consistency

Enhanced performance backed by a robust quality system

  • High purity
  • Lot-to-lot consistency
  • Experienced technical support

Cost-Effective
Research Solutions

Low material costs without sacrificing performance

  • Affordable alternatives to popular brands with comparable results
  • Flexible sizing to fit a variety of project budgets
Dyes Benefits Graph
Features and Benefits
Vector Laboratories provides quality fluorophores across the spectrum. Our fluorescent dyes feature a variety of reactive groups for easy bioconjugation, broad spectral coverage, and specialized functional properties to address specific research needs. Our fluorescent dyes deliver exceptional purity, brightness, photostability, and hydrophilicity to ensure optimal and reproducible results at cost-effective prices.

Comprehensive Portfolio of Fluorescent Dyes

Feature/­Criteria AZDye™ AQuora® Cyanine MB Dyes TAMRA IR Dyes CalFluor Dyes
Excitation/­Emission Range UV to Near IR (350-800 nm) UV to Near IR (350-800 nm) UV to Near IR (350-800 nm) Visible
(488-800 nm)
546/573 nm Near IR
(650-800 nm)
544-637 nm
Photo­stability High High Moderate to High High Moderate High Moderate to High
Brightness High High Moderate to High High High High Moderate to High
Options for Near-Infrared Imaging Yes Yes Yes Yes No Yes No
pH Stability pH 4-10 pH 4-9 pH 4-10 pH 4-9 pH 5-9 pH 4-10 pH 6-9
Hydro­philicity High Very High
(dPEG technology)
Moderate High Low to Moderate High High
Degree of Labeling (DOL) Flexibility Moderate Very High Moderate High Moderate Moderate Moderate
Fluorescent only when conjugated No No No No No No Yes

Vector Laboratories’ AZDye™ vs Alexa Fluor® Performance: Fluorescent Intensity

Alexa Vs Azdyes
Alexa 647
Small Bowel, Alexa Fluor® 647, DOL 5.2
Azdye 647

Small Bowel, AZDye 647, DOL 5.5

Goat x Mouse IgG were labeled with either AZDye NHS ester or Alexa Fluor® NHS ester and purified on ÄKTA avant™ chromatography system. Degree of Labeling (DOL) was measured, and conjugates with similar DOL were tested in ELISA and Immunofluorescence (IF).
Immunofluorescence Workflow
Imm Workflow
Imm Workflow Mobile
Main Applications
Our fluorophores provide bright detection, minimal photobleaching, and multiple chemistries for reproducible fluorescence resonance energy transfer (FRET) and subcellular localization analysis in a variety of tissue types.
Antibody Icon
Antibody labeling
Our fluorescent dyes enable efficient bioconjugations with high yield and offer the spectral breadth for experimental flexibility in flow cytometry, fluorescence activated cell sorting (FACS), immunofluorescence, and enzyme-linked immunosorbent assay (ELISA) applications.
Peptide Icon
Peptide/protein labeling
in vitro and in vivo
Our fluorophores provide bright detection, minimal photobleaching, and multiple chemistries for reproducible fluorescence resonance energy transfer (FRET) and subcellular localization analysis in a variety of tissue types.
Oligo Icon
Oligo labeling
With multiple conjugation chemistry and color options, our fluorescent dyes provide the specificity and customization for reliable fluorescence in situ hybridization (FISH) analysis.
Comprehensive Applications of Fluorescent Dyes
Choose the optimal fluorescent dye for your research
Applications AZDye™ AQuora® Cyanine MB Dyes TAMRA IR Dyes CalFluor Dyes
In Vivo Appli­cations Check Mark Icon (esp NIR Dyes) Check Mark Icon (esp NIR Dyes) Check Mark Icon (esp NIR Dyes) Check Mark Icon (esp NIR Dyes) Ex Icon Check Mark Icon (esp NIR Dyes) Check Mark Icon
Live Cell Imaging Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
Immuno­fluorescence Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
Flow Cytometry Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
FLISA Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
Subcellular Localization Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
Multi­plexing Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
FRET Check Mark Icon (Cy3-Cy5 pairs) Limi­ted Check Mark Icon Limi­ted Check Mark Icon Limi­ted Limi­ted
Oligo­nucleotide Labeling Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
Peptide/­Protein Labeling Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
Bioorthogonal Conjugation Check Mark Icon Ex Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon Check Mark Icon
Resources
Dye Selector Tool

Our easy-to-use dye selector tool helps guide your selection of the most suitable fluorescent dyes for your applications.

Full List of Fluorophore Properties
Choose the optimal fluorescent dye for your research by comparing the performance characteristics of our products.
Webinar on Demand

Maximizing the Potential of Fluorescent Dyes: Applications and Insights

Tech Note

Data in this Tech Note demonstrates that Vector’s AZDye™ fluorescent dyes deliver comparable performance to Alexa Fluor® products, offering high-quality results at a fraction of the cost.

Product Publications

Comprehensive list of publications where Vector Labs fluorescent dyes were used in multiple studies and applications.
Talk to an expert

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