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Materiale Plastice
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Materiale Plastice (Mater. Plast.), Year 2016, Volume 53, Issue 2, 194-197



Stefania Simionescu, Sofia Teodorescu, Rodica Mariana Ion, Gheorghe Nechifor

Polymer Membranes for Selective Separation of Ionizing Forms of TPPS4 as Drug Photodynamic Therapy


Abstract:
In this paper, some of the ionized forms and aggregated forms of tetrasulphonated porphyrin TPPS4, have been separated by passing it through a composite polymer membranes of polysulfone type with N-methyl-pyrolidone and magnetite. The aqueous solutions of TPPS4 at different pH values have been prepared, characterized and passed through the membrane, leading to the conclusion that the acidic or alkaline solutions have been transformed into neutral form with certain therapeutic properties in photodynamic therapy.


Keywords:
TPPS4; polysulfone membrane; ionization; aggregation

Issue: 2016 Volume 53, Issue 2
Pages: 194-197
Publication date: 2016/6/30
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