Junqiu Liu

Title: Innovations of Junqiu Liu in Anti-Counterfeiting Materials

Introduction

Junqiu Liu is a prominent inventor based in Hangzhou, China. He has made significant contributions to the field of materials science, particularly in the development of innovative anti-counterfeiting technologies. With a total of 3 patents to his name, Liu's work focuses on dual-modal information storage and antioxidant materials.

Latest Patents

Liu's latest patents include a dual-modal information storage and anti-counterfeiting material, along with its preparation method. This innovative material utilizes cadmium sulfide quantum dots (CdS QDs) for information storage, leveraging the controllable photocorrosion of CdS QDs to achieve dual-modal optical applications. The synthesis process involves precise control over the type of ligands and modification degree of CdS QDs, allowing for effective management of photocorrosion under UV light. The CdS QDs are integrated into a hydrogel network and can be applied to various substrates, including cloth and paper, through methods such as spray coating, dip coating, or 3D printing. This technology offers a unique approach to anti-counterfeiting, showcasing dual-modal patterning characteristics across a wide wavelength range.

Another notable patent by Liu is related to a selenium-containing nano HOF, which serves as a multi-enzyme cascade antioxidant. This invention is significant as it introduces a nano HOF based on selenium-containing ligands, which is metal-free and exhibits excellent biocompatibility. The high porosity and thermal stability of this nano HOF allow it to effectively stabilize enzyme conformation and maintain 85-90% of the coated enzyme's activity. This innovation provides a new avenue for constructing bio-friendly antioxidants through cascade catalysis.

Career Highlights

Junqiu Liu is affiliated with Hangzhou Normal University, where he continues to advance his research in innovative materials. His work has garnered attention for its practical applications in various industries, particularly in enhancing security measures against counterfeiting.

Collaborations

Liu has collaborated with notable colleagues, including Shuangjiang Yu and An Yan, contributing to the advancement of research in his field.

Conclusion

Junqiu Liu's innovative work in anti-counterfeiting materials and antioxidant technologies highlights his significant contributions to materials science. His patents reflect a commitment to developing practical solutions that address contemporary challenges in