Water Soluble Carbon Quantum Dots 420±10 nm

Water Soluble Carbon Quantum Dots (420±10 nm emission) represent a cutting-edge class of zero-dimensional carbon-based nanomaterials, engineered for superior brightness and exceptional aqueous stability. These CQDs stand out in the nanotechnology landscape due to their high quantum yield, distinctive resistance to photobleaching, and chemically inert nature. Unlike traditional semiconductor quantum dots, these carbon-based fluorophores are synthesized to ensure high biocompatibility and negligible cytotoxicity, making them an ideal candidate for integration with sensitive biological systems. The surface of these dots is rich in functional groups, facilitating seamless conjugation with various biomolecules such as proteins, ligands, and nucleic acids. With a precise emission peak at 420±10 nm, they provide a sharp, reliable signal for high-resolution detection and sensing, bridging the gap between advanced material science and practical biotechnology.

Applications

• Bioimaging & Cellular Labeling: Provides high-contrast fluorescence for real-time monitoring of cellular processes and long-term tracking of live cells without inducing significant oxidative stress.
• Highly Sensitive Biosensors: Acts as a precise signaling probe for the detection of glucose, enzymes, and pathogens, utilizing fluorescence resonance energy transfer (FRET) mechanisms.
• Environmental Monitoring (Heavy Metal Detection): Serves as an analytical tool for the "turn-off/turn-on" fluorescence detection of toxic metal ions like Hg2+, Pb2+, and Cr6+ in complex water samples.
• Targeted Drug Delivery Systems: Functions as a traceable nanocarrier that allows for the simultaneous delivery of therapeutics and real-time monitoring of drug release kinetics within the body.
• Advanced Photocatalysis: Utilizes its unique electron transfer capabilities to enhance the degradation of organic pollutants under light irradiation, supporting green chemistry initiatives.
• Forensic Science & Anticounterfeiting: Employed in the development of invisible security inks and forensic latent fingerprint detection due to its distinct photoluminescent properties under UV light.