Dr. Chao Feng Profile

Dr. Chao Feng

at Beijing Univ of Technology

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Proceedings Article | 22 April 2016 Paper

SERS detection and targeted ablation of lymphoma cells using functionalized Ag nanoparticles

Qian Yao, Fei Cao, Chao Feng, Yan Zhao, Xiuhong Wang

Proceedings Volume 9724, 972407 (2016) https://doi.org/10.1117/12.2212285

KEYWORDS: Tissues, Nanoprobes, Lymphoma, Silver, Nanoparticles, Target detection, Raman spectroscopy, Cancer, Molecules, Oncology

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Lymphoma is a heterogeneous group of malignancies of the lymphoid tissue, and is prevalent worldwide affecting both children and adults with a high mortality rate. There is in dire need of accurate and noninvasive approaches for early detection of the disease. Herein, we report a facile way to fabricate silver nanoparticle based nanoprobe by incorporating the corner-stone immunotherapeutic drug Rituxan for simultaneous detection and ablation of lymphoma cells in vitro. The fabricated nanoprobe can detect CD20 positive single lymphoma cell by surface enhanced Raman scattering technique with high specificity. The engineered nanoprobe retains the same antibody property as intact drug via Antibody-Dependent Cell-mediated Cytotoxicity (ADCC) analysis. The nanoprobe efficiently eradicates lymphoma cells in vitro. By integrating the advantages of sensitive SERS detection with targeted ablation capabilities of immunotherapeutic drug through site specificity, this nanoprobe can be applied as outstanding tools in living imaging, cancer diagnosis and treatment.

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