Dr Qi Zhang, a professor at the School of Radiation Medicine and Protection, Suzhou Medical College, Soochow University, currently serves as a Young Committee Member of the Chinese Medical Association, Committee on Radiation Medicine and Protection, and a Committee Member of the Jiangsu Provincial Preventive Medicine Association, Committee on Radiation Health. The applicant is also an editorial board member of the International Journal of Molecular Sciences. The applicant’s research focuses on stem cells, skin dressings, organoids, and radiation injury biomarker detection. The applicant has led more than twenty grants, including NSFC and industry-sponsored projects. The applicant has obtained over 25 Chinese invention patents and three U.S. patents, published 50+ papers with a total citation count exceeding 3,300. The applicant’s research has earned several awards such as the Huaxia Medical Science and Technology Award (2023, 5th/9), Jiangsu Provincial Preventive Medicine Science and Technology Award (2023, 2nd/9), Suzhou Municipal Preventive Medicine Science and Technology Award (2021, 2nd/9), and Science and Technology Progress Award by the Chinese Radiation Protection Society (2022, 6th/8). The applicant has guided students to win multiple awards in the College Students' Innovation and Entrepreneurship Competition, also received the "Advanced Teaching Individual" award from Soochow University (2021, 2022). RESEARCH INTEREST Topic 1: Nanomaterial-mediated stem cell for the repair of tissue injury  Prepare novel dye-encapsulated polymeric nanospheres for stem cell imaging and effective therapy of radiation induced skin and pulmonary injury.  Encapsulate Tween-80-grafted reduced graphene oxide (rGO) into the shell of polymeric microbubble for contrast enhancement of photoacoustic (PA) imaging in mice heart.  Establish the adhesion, proliferation and differentiation behaviors of human mesenchymal stem cells (hMSCs) on biomineralized 3D graphene scaffold for the enhancement of stem cell-mediated bone and cartilage repair.  Develop a facile approach to synthesize amphiphilic rGO and demonstrate its performance in electrically stimulating neural cells with high charge injection capacity. Topic 2: Nanomaterial-mediated multi-modal imaging and chemo-radiotherapy  Synthesize ruthenium(II) polypyridyl complexes, polymeric nano-capsules, bacterial cellulose hydrogels, etc for the imaging-guided chemo-radiotherapy.  Investigated the process of a model drug, doxorubicin (DOX) loading onto GO nanosheets via π-π stacking, and experimentally analyzed the influence of DOX content on GO interlayer interaction using TGA.  Fabricate multicolor quantum dot-encoded microspheres and participate in the development of microfluidic systems for the multiplexed detection of cancer biomarkers.  Investigate the size distribution of polystyrene microspheres by seeded polymerization, based on the principle of ideal monomer absorption process, and further separated highly monodispersed polymer beads in a sedimentation velocity gradient.  Synthesized fluorescent polystyrene microspheres by gradual solvent evaporation method for use in AIDS detection.