Buffer composition affects rose bengal dialysis rate through cellulose membrane


  • Krzysztof Sztandera University of Lodz, Faculty of Biology and Environmental Protection, Department of General Biophysics, Pomorska 141/143, 90-236 Lodz, Poland https://orcid.org/0000-0001-7595-7198




nanocarriers, dialysis, rose bengal, photodynamic therapy


Due to its fluorescent and phototoxic properties, rose bengal (RB) is used in photodynamic therapy. To improve the delivery of RB to its site of action, the application of nanocarrier systems has been proposed. The most promising approach includes the use of pH-responsive nanoparticles. To evaluate the pattern of drug release in different buffers, equilibrium dialysis is commonly used. Here, we used water and two buffers to determine the impact of solvent composition on the aggregation and dialysis rate of RB through a cellulose membrane. The results show that buffer composition does not influence the fluorescent properties of RB. However, the presence of additional ions causes a change in diffusion rate that is most probably linked to the size of RB aggregates.


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How to Cite

Sztandera, K. (2021). Buffer composition affects rose bengal dialysis rate through cellulose membrane. Acta Universitatis Lodziensis. Folia Biologica Et Oecologica, 17, 32–36. https://doi.org/10.18778/1730-2366.16.11