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Cadmium Selenide Zinc Sulfide Quantum Dots- Carboxyl


Product Overview

Our Carboxyl-Functionalized Cadmium Selenide/Zinc Sulfide Quantum Dots are at the forefront of nanomaterial innovation, designed to deliver unparalleled precision and versatility. Engineered for exceptional performance in aqueous environments, these water-soluble quantum dots (QDs) open up new possibilities across biotechnology, environmental sensing, and energy research, offering bright, tunable emission properties combined with high stability and biocompatibility.

Key factor

  • Bright, Tunable Luminescence: Possess the ability to emit bright light at various wavelengths across the visible to near-infrared spectrum, customizable by adjusting the size of the quantum dots.
  • Water Solubility: Carboxyl functionalization ensures excellent solubility in water and aqueous buffers, critical for biological and environmental applications.
  • High Photostability: The ZnS shell significantly enhances the stability of the QDs against photobleaching, ensuring sustained performance in demanding applications.
  • Biocompatibility: Carboxyl groups facilitate bioconjugation with molecules like peptides, antibodies, or nucleic acids, enabling targeted delivery and labeling in biological systems.


  • Bioimaging: Utilized for fluorescent labeling in cell biology, allowing for vivid, long-term imaging of cellular structures and processes.
  • Medical Diagnostics: Applied in assays and diagnostic platforms for sensitive detection of diseases and pathogens.
  • Environmental Sensing: Enables the development of sensors for real-time monitoring of water quality and detection of hazardous substances.
  • Renewable Energy: Enhances the performance of solar energy devices through improved light harvesting capabilities.


  • Versatile Biomedical Applications: Enables high-resolution imaging and targeted drug delivery in medical diagnostics and therapeutic applications.
  • Advanced Sensing Capabilities: Employs in environmental monitoring and biosensing applications for detecting pollutants and biological markers with high sensitivity.
  • Enhanced Photovoltaic Efficiency: Can be incorporated into solar cells to improve light absorption and conversion efficiency.
  • Innovative Research Tool: Acts as a powerful tool in scientific research, facilitating the study of molecular interactions and mechanisms within living cells.


Our Water Soluble Carboxyl-Functionalized Cadmium Selenide/Zinc Sulfide Quantum Dots embody the intersection of precision, versatility, and sustainability in nanotechnology. By harnessing their unique optical properties and water solubility, researchers and developers can pioneer solutions that address global challenges in healthcare, environmental protection, and energy. Dive into the nanoscale world with our advanced quantum dots and unlock a spectrum of possibilities for innovation and discovery.

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450nm, 525nm, 540nm, 575nm, 630nm, 650nm


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    • We offer different prices for different pack sizes available.

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