The electrochemiluminescence (ECL) sensor technology developed by the Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, for carbon ceramic composite materials has recently been granted a national invention patent. This breakthrough represents a significant advancement in the field of ECL sensing, offering improved performance and practicality.
Electrochemiluminescence is a process where light is emitted as a result of an electrochemical reaction. Pyridinium-based ECL systems are particularly valuable because they can detect a wide range of substances. Their electrochemical reversibility and stability make them ideal candidates for sensor development. However, traditional methods often involve immobilizing pyridinium on electrode surfaces, which presents challenges such as difficulty in regeneration after electrode poisoning and limited flexibility in electrode design.
Most existing immobilization techniques only attach pyridinium to the surface of conductive electrodes, making it hard to renew the active layer when the electrode becomes inactive. Additionally, the substrates used for pyridinium are typically non-conductive, which restricts their use in forming electrodes with specific shapes or structures.
Carbon ceramic electrodes, on the other hand, offer a promising alternative. These electrodes are made by combining carbon powder with a sol-gel matrix, allowing for the creation of electrodes in various sizes and shapes. They are not only strong and resistant to swelling but also compatible with a wide range of solvents and flow systems. Their large effective surface area, controlled pore structure, and renewable surface make them highly suitable for advanced ECL applications.
By using carbon ceramic materials to immobilize pyridinium, the Changchun Institute of Applied Chemistry has developed a stable and efficient ECL sensor. The new sensor exhibits high stability, good reproducibility, simple fabrication, and rapid response times. It overcomes the limitations of conventional methods, paving the way for broader practical applications of ECL technology in analytical chemistry and biosensing. This innovation marks a major step forward in the development of more robust and versatile electrochemiluminescence sensors.
Agriculture Fibc Bag,Agriculture Bags,Agricultural Bags,Agriculture Bulk Bags
Zhejiang Changying Plastic Packaging Products Co., Ltd. , https://www.cyfibc.com