期刊
EUROPEAN JOURNAL OF MEDICINAL CHEMISTRY
卷 69, 期 -, 页码 848-854出版社
ELSEVIER FRANCE-EDITIONS SCIENTIFIQUES MEDICALES ELSEVIER
DOI: 10.1016/j.ejmech.2013.09.019
关键词
Cytotoxicity; Tetrabromohydroquinone; Thermoresponsive dendrimers; Synthesis; Water-soluble dendrimers
Three interesting thermoresponsive branched oligoethylene glycol dendrimers based on tetrabromohydroquinone were efficiently synthesized from tetrabromohydroquinone and three different oligoethylene glycol derivatives. By visual inspection, all these dendrimers are water-soluble at room temperature. The thermoresponsive behaviors were investigated by using UV/vis turbidity measurement at different temperatures for 0.25 wt% of aqueous solutions from D1, D2 and D3. The cytotoxicity of the prepared dendrimers was tested against MCF-7 breast cancer cells. All tested dendrimers showed considerable results, where D2 dendrimer gave the best result; it showed cytotoxicity against MCF-7 cell line with IC50 of 1.07 mu g/mL and resistant fraction equals 1.97%, the other two dendrimers showed a modest cytotoxic profile. (C) 2013 Elsevier Masson SAS. All rights reserved.
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