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포스터 발표 : 바이오의약 및 약물전달

Surface modified gold nanorods for thyroid cell targeting

초록

영어

Gold nanoparticles (GNPs) have unique properties which are surface plasmon resonance that make functional reagents for various biomedical applications including photothermal therapy. Most GNPs are prepared using growth-directing surfactants, such as cetyltrimethylammonium bromide (CTAB), which are known to have considerable cytotoxicity. We describe an approach to remove CTAB to a non-toxic concentration by PEGylaiton or antibody conjugation. The cytotoxicity of pristine and surface-modified GNRs was measured in human cell lines derived from thyroid cells. GNRs are further modified to present monoclonal antibodies that recognize a specific surface marker, sodium-iodide transporter (NIS), for thyroid cells. NIS antibody-conjugated GNRs specifically targeted human thyroid cells in vitro. Antibody-conjugated GNRs specifically targeted human thyroid cells in vitro.

저자정보

  • Yoshie ARAI Dept. of Life Science, Dongguk University, Seoul, Korea 100-715.
  • Deokho JUNG Dept. of Biomedical Engineering, Dongguk University, Seoul, Korea 100-715.
  • Youngeun KWON Dept. of Biomedical Engineering, Dongguk University, Seoul, Korea 100-715.
  • Wonhee JANG Dept. of Biomedical Engineering, Dongguk University, Seoul, Korea 100-715.

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