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Akasov Roman Alexandrovich on theme: «3D cell culture as in vitro tool to test anticancer drugs» Nayak Vignesh Vittal on theme: «Preparation of novel modified PVC/PSf blend membranes for metal ion rejection» (India, Jain University) and presenters of Centre of composition materials
Abstract of Akasov R.A.
Seminar will be devoted to 3d cultures of cells and its use in oncology, particilary, in development of anticancer drugs and search an optimal personal therapy. Differents ways of 3d cells formation will be discussed on seminar, moreover methods of its analysis and results of research made by Akasov R.A. in NUST "MISIS".
Abstract of Nayak Vignesh Vittal
The study reports synthesis and characterization of TiO2 nanoparticles (NPs) and its effects upon incorporation in the polymer membrane matrix. The effects of TiO2 on membranes efficiency, properties and morphology are studied in detail. Poly vinyl chloride modified with 4-amino benzoic acid was blended with polysulfone in optimum composition to get maximum possible productivity. TiO2 nanoparticles were synthesized via sol-gel process and prepared composites are characterized by XRD, FESEM, EDX and BET analysis. TiO2 NPs were added in the membrane matrix as nano fillers and the membrane performance properties were deliberated via contact angle, water uptake capacity, ion-exchange and pure water flux studies. Prepared composites were used to remove a toxic contaminant, Cr (VI) and the effects of pressure and pH were studied. Maximum of 87 ± 2 % rejection of Cr (VI) was obtained with productivity of 6.5 L/m2h at 100 kPa pressure in acidic medium. Antifouling studies revealed that incorporation of TiO2 NPs increased the flux recovery ratio (FRR) from 71 (control membrane) to 80 % (best performed membrane). Also the presence of TiO2 enhanced the removal capacity of the membrane for Cr (VI) ions with reusability for continuous 3 cycles.