Functional Dyes

Fluorescent and bioactive dyes for next-generation medical and pharmaceutical innovation.
Nagase Viita develops specialty dyes for advanced imaging, diagnostics, and therapeutic research.

Bioactive Fluorescent Dyes for Diagnostics, Imaging, and Therapeutic Applications

Functional dyes offered by Nagase Viita are more than coloring agents – they deliver critical bioactive or fluorescent functions that can be harnessed in pharmaceutical development, diagnostics, and cell biology research. These dyes may serve as staining agents, fluorescent markers, or even medicinal compounds with biological activity.

With expertise in carbohydrate and organic chemistry, Nagase Viita explores functional dye applications ranging from cell viability assays to molecular imaging and targeted drug delivery.

NAGASE supplies functional dyes globally for use in biomedical research, pharmaceutical formulation, and diagnostics – supported by technical expertise and international logistics.

Applications

NAGASE’s functional dyes are used in biomedical research and diagnostics where fluorescence and bioactivity are required.

  • Cell staining for microscopy and viability assays
  • Fluorescent probes for live-cell imaging and diagnostics
  • Bioactive additives in drug screening or formulation
  • Marker dyes for analytical and separation techniques
  • Targeted delivery research in pharmaceuticals and biotechnology

Features

Nagase Viita’s functional dyes combine precision fluorescence and bioactivity to enable next-gen medical innovation.

  • Bioactive functionality – Supports pharmaceutical and diagnostic integration
  • Fluorescent emission – Enables high-resolution imaging in biological systems
  • Stable under physiological conditions – Suitable for in vivo and in vitro use
  • Cell-compatible – Low cytotoxicity options available for live assays
  • Research-grade quality – Trusted by labs in medical and life science fields

Product Specification

No. Dye Name Structure Comparative Data
1 ICG analog
Chemical structure of ICG analog dye from Nagase, optimized for near-infrared fluorescence with excitation at 774 nm and emission at 805 nm for deep tissue imaging applications.
 ICG
Excitation: 774 nm
Emission: 805 nm
2 Cy3 analog
Chemical structure of Cy3 analog developed by Nagase, exhibiting excitation at 552 nm and emission at 565 nm – ideal for fluorescence labeling and multiplex assays.
 Cy3
Excitation: 552 nm
Emission: 565 nm
3 Cy5 analog
Cy5 analog dye structure from Nagase, tuned for far-red fluorescence with excitation at 650 nm and emission at 667 nm for use in flow cytometry and confocal microscopy.
 Cy5
Excitation: 650 nm
Emission: 667 nm
4 DiO-C5(3) analog
Structure of DiO-C5(3) analog functional dye by Nagase, with excitation at 482 nm and emission at 497 nm, commonly applied in membrane labeling and cell tracking.
 DiO-C5(3)
Excitation: 482 nm
Emission: 497 nm
5 Thiazole orange analog
Thiazole orange analog structure synthesized by Nagase, fluorescing at 530 nm with excitation at 510 nm – widely used in nucleic acid staining and real-time PCR applications.
 Thiazole orange
Excitation: 510 nm
Emission: 530 nm
6 Coumarin6
Structure of Coumarin6 dye from Nagase, a blue-emitting fluorescent compound with excitation at 365 nm and emission at 430 nm – suited for cell imaging and FRET applications.
 Excitation: 365 nm
Emission: 430 nm

Frequently Asked Questions about Functional Dyes

What are functional dyes used for in biomedical research?
Functional dyes are commonly used for staining cells, tagging molecules with fluorescence, or serving as bioactive additives in pharmaceutical applications.

What makes these dyes “functional”?
Unlike standard pigments, functional dyes exhibit specific chemical or biological properties such as fluorescence or bioactivity, making them suitable for diagnostics or therapy-related uses.

Can these dyes be used in live-cell applications?
Yes, certain functional dyes are formulated for low cytotoxicity and compatibility with live-cell imaging or staining protocols.

Are these dyes used in pharmaceuticals?
Some functional dyes are explored for use in drug delivery, formulation enhancement, or as therapeutic markers.

Does Nagase offer custom development of functional dyes?
Yes. Nagase Viita is actively engaged in developing novel functional dyes tailored to customer needs in medical and diagnostic innovation.

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In Vitro Diagnostics

Aziza Aknin
Key Account Manager