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      • KCI등재후보

        PREPARATION OF CISPLATIN COMPOSITE MICRO/NANOFIBERS AND ANTITUMOR ACTIVITY IN VITRO AGAINST HUMAN TUMOR spc-a-1 CELLS

        PING CHEN,QING-SHENG WU,YA-PING DING,ZI-CHUN ZHU 성균관대학교(자연과학캠퍼스) 성균나노과학기술원 2011 NANO Vol.6 No.4

        In this paper, the cisplatin composite micro/nanofibers were prepared by electrospinning. Average diameter of the typical products was about 700 nm, and cisplatins were incorporated in biodegradable poly (L-lactic acid) fibers. The controlled release of cisplatin can be gained for long time. The possible mechanisms of cisplatin release in the PBS and the PBS with proteinase K were discussed. 3-(4, 5)-dimethylthiahiazo-(-z-y1)-3, 5-di-phenytetrazoliumromide (MTT) method was used to test antitumor activities in vitro against human lung tumor spc-a-1 cells. When incubation time was 24 h, the same content of cisplatin from virgin cisplatin and the composite fibers has almost equal antitumor activity in vitro. However, when incubation time was 48 h, the composite fibers show much higher antitumor activity than the virgin cisplatin. The system may be useful in the postoperative local chemotherapy and have clinical applications as an implantable drug for tumor in the future.

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