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Chen, P., Ma, X. and Yang, D., (2006) Fairly pure ultra-violet electroluminescence from ZnO-based light-emitting devices. Applied Physics Letters. Applied Physics Letters, 89, 111-112.

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• TITLE: Zinc oxide nanocomposites with antitumor activity

  AUTHORS: Emma Arakelova, Ashot Khachatryan, Karapet Avjyan, Zoya Farmazyan, Alvard Mirzoyan, Lilia Savchenko, Sedrak Ghazaryan, Flora Arsenyan

  KEYWORDS: Zinc Oxide; Nanofilm; Magnetron Sputtering; Nanocomposites;Antitumor Activity

  JOURNAL NAME: Natural Science, Vol.2 No.12, December 28, 2010

  ABSTRACT: Zinc oxide nanocomposites in the form of coatings and composite films with antitumor activity were obtained by deposition of ZnO nanofilms on surfaces of ethyl ether Sali- cylidene DL-tyrosine (S1) and ethyl ether Sali- cylidene DL-tyrosine Cu (II) chelate (S2) by magnetron sputtering of Zn target. Ethyl ether salicylidene DL-tyrosine, Cu (II) chelate of ethyl ether salicylidene DL-tyrosine reveal some anticancer properties. Their zinc oxide nano- composites were obtained in the form of coat- ings (S1 + ZnO, S2 + ZnO) and composite films presenting a mixture of polyvinyl alcohol (PVA) with S1, S2 (S1 + PVA + ZnO, S2 + PVA + ZnO), for the purpose of increasing anticancer activity. Considerable increase in antitumor activity re- veal ZnO nanocomposites with salicylidene amino acid chelates (as distinct from their ethers) in the form of S2 + ZnO (47%) and S2 + PVA + ZnO (48%) in comparison with S2 (20%). Structural, spectral properties of the salicylidene amino acids and their ZnO nanocomposites were studied.