Qiu Dai

Title: Innovations by Qiu Dai

Introduction

Qiu Dai is a notable inventor based in Sunnyvale, California. He has made significant contributions to the field of materials science, particularly in the development of water-soluble magnetic nanoparticles. With a total of four patents to his name, his work has implications in various applications, including medical diagnostics.

Latest Patents

One of Qiu Dai's latest patents is titled "Aqueous soluble ferrimagnets stabilized by block copolymers." This invention relates to a water-soluble polymer complex that includes a water-soluble block copolymer and a magnetic nanoparticle. The complex exhibits a nonzero net magnetic moment in the absence of an applied magnetic field at ambient temperatures. The water-soluble block copolymer is preferably a diblock or triblock copolymer, while the magnetic nanoparticle is typically a ferrimagnetic or ferromagnetic type. These complexes can be derivatized with reactive groups and conjugated to biomolecules, enhancing their utility in various applications.

Another significant patent is "Magnetic nanoparticle detection across a membrane." This technique involves detecting magnetic nanoparticles across a thin membrane that separates them from a magnetic sensor. In a medical context, an analyte of interest, such as one present in blood, is attached to the membrane. Other compounds are bound to the analyte, including a magnetic nanoparticle that can be detected by the sensor. By counting the number of magnetic nanoparticles, the concentration of the analyte in the test fluid can be determined.

Career Highlights

Qiu Dai is currently employed at International Business Machines Corporation (IBM), where he continues to innovate and develop new technologies. His work at IBM has allowed him to collaborate with other talented professionals in the field.

Collaborations

Some of Qiu Dai's coworkers include Alshakim Nelson and David Berman. Their collaborative efforts contribute to the advancement of research and development in their respective areas of expertise.

Conclusion

Qiu Dai's innovative work in the field of magnetic nanoparticles showcases his significant contributions to science and technology. His patents reflect a commitment to advancing medical diagnostics and materials science.