Chongtian Lei

Title: Innovations of Chongtian Lei in Solid-Phase Extraction

Introduction

Chongtian Lei is a notable inventor based in Nanjing, China. He has made significant contributions to the field of solid-phase extraction, particularly through his innovative patent. His work focuses on developing materials that enhance the efficiency of extraction processes.

Latest Patents

Chongtian Lei holds a patent for a solid-phase extraction material, along with its preparation method and use. The invention relates to the field of solid-phase extraction, where the preparation method involves prepolymerizing the monomers N-vinylpyrrolidone and divinylbenzene in the presence of a chain transfer agent. The process includes adding the prepolymer dropwise to an emulsion of monodispersed seed microspheres, swelling, and reacting to prepare white spheres. These spheres are then functionalized to create the solid-phase extraction material. The resulting material exhibits good spherical morphology, a large specific surface area, and high ion exchange capacity. It effectively separates and enriches PPCPs with an extraction rate maintained between 85% and 105%, capable of selectively separating acidic, alkaline, neutral, and amphoteric substances.

Career Highlights

Chongtian Lei is affiliated with Nanjing University, where he continues to advance research in solid-phase extraction technologies. His innovative approach has positioned him as a key figure in this specialized field.

Collaborations

Chongtian Lei collaborates with esteemed colleagues such as Weiwei Zhou and Libin Zhang. Their combined expertise contributes to the ongoing development of advanced extraction materials and methods.

Conclusion

Chongtian Lei's contributions to solid-phase extraction represent a significant advancement in the field. His innovative patent showcases the potential for improved extraction processes, benefiting various applications in research and industry.