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Solvent Soluble Cyanine Dyes
Solvent soluble cyanine dyes are a class of synthetic dyes known for their strong absorption and fluorescence properties in the visible and near-infrared regions of the electromagnetic spectrum. These dyes are soluble in organic solvents and are therefore distinct from water-soluble cyanine dyes. Their chemical structure usually consists of two nitrogen-containing heterocyclic groups linked by a polymethine chain, and tunable optical properties can be achieved by varying the length of the chain or the substituents on the heterocycle. Alfa Chemistry is committed to providing our customers with high quality solvent soluble cyanine dyes. If you need, please contact us immediately.
Key Characteristics
Solvent soluble cyanine dyes possess several key characteristics that make them suitable for various scientific and industrial applications. Here are the main characteristics:
- Solubility
These dyes are soluble in organic solvents such as methanol, chloroform, dimethyl sulfoxide (DMSO), and other non-polar or mildly polar solvents. This solubility characteristic makes them suitable for applications requiring non-aqueous environments.
- Spectral Properties
(a) Solvent soluble cyanine dyes exhibit strong absorption and fluorescence in the visible to near-infrared (NIR) regions. Their optical properties can be tuned by modifying the polymethine chain length or the substituents on the nitrogen-containing heterocycles.
(b) Solvent soluble cyanine dyes have high molar absorptivity, meaning they can intensely absorb light even at low concentrations.
- Photostability
Compared to some other dye classes, cyanine dyes may have moderate photostability. However, their stability can be enhanced through structural modifications or by incorporating them into protective matrices.
Applications
Solvent soluble cyanine dyes are used in various fields due to their excellent properties. Their main applications are listed below:
- Biological Imaging: These dyes are used in non-aqueous biological imaging applications where organic solvents are required, such as in certain fixed-tissue imaging techniques and in solvent-based staining procedures.
- Optoelectronics: They are used in the fabrication of organic photovoltaics, organic light-emitting diodes (OLEDs), and other optoelectronic devices due to their excellent light absorption and emission properties.
- Sensors and Probes: Solvent soluble cyanine dyes are employed in the development of sensors and molecular probes for detecting various analytes in non-aqueous environments.
- Photodynamic Therapy (PDT):In some cases, these dyes can be used as photosensitizers in PDT, especially when the therapeutic environment is compatible with organic solvents.
Why Choose Us
Alfa Chemistry's team consists of experts in dye chemistry who are able to provide valuable insights and advice based on the latest scientific research and technological advances. In addition, we provide attentive customer support services to help you make product choices and provide you with application advice to ensure that your project goes smoothly.
Alfa Chemistry offers a wide range of solvent soluble cyanine dyes to meet the needs of different wavelengths and applications. Our extensive product catalog enables customers to find exactly the right dye for their specific requirements. In addition, customers can request custom synthesis and modifications to tailor the dyes to their unique specifications.
With a strong distribution network, Alfa Chemistry is able to serve customers worldwide. We utilize an efficient supply chain management system to ensure timely and reliable delivery of products to our global customers.
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