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Novel spray dried glycerol 2-phosphate cross-linked chitosan microparticulate vaginal delivery system - development, characterization and cytotoxicity studies [Elektronski vir]Szymańska, Emilia ...Chitosan microparticulate delivery systems containing clotrimazole were prepared by a spray drying technique using glycerol 2-phosphate as an ion cross-linker. The impact of a cross-linking ratio on ... microparticle characteristics was evaluated. Drug-free and drug-loaded unmodified or ion cross-linked chitosan microparticles were examined for the in vitro cytotoxicity in VK2/E6E7 human vaginal epithelial cells. The presence of glycerol 2-phosphate influenced drug loading and encapsulation efficacy in chitosan microparticles. By increasing the cross-linking ratio, the microparticles with lower diameter, moisture content and smoother surface were observed. Mucoadhesive studies displayed that all formulations possessed mucoadhesive properties. The in vitro release profile of clotrimazole was found to alter considerably by changing the glycerol 2-phosphate/chitosan ratio. Results from cytotoxicity studies showed occurrence of apoptotic cells in the presence of chitosan and ion cross-linked chitosan microparticles, followed by a loss of membrane potential suggesting that cell death might go through the mitochondrial apoptotic pathway.Source: Marine drugs [Elektronski vir]. - ISSN 1660-3397 (Vol. 14, no. 10, 2016, 22 str.)Type of material - e-article ; adult, seriousPublish date - 2016Language - englishCOBISS.SI-ID - 4190065
Author
Szymańska, Emilia |
Szekalska, M. |
Czarnomysy, Robert |
Lavrič, Zoran |
Srčič, Stanko |
Miltyk, Wojciech |
Winnicka, K.
Topics
hitosan |
mikrodelci |
citotoksičnost |
dostavni sistem |
glicerol.2-fosfat
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Database name | Field | Year |
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Links to authors' personal bibliographies | Links to information on researchers in the SICRIS system |
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Szymańska, Emilia | ![]() |
Szekalska, M. | ![]() |
Czarnomysy, Robert | ![]() |
Lavrič, Zoran | 32037 |
Srčič, Stanko | 09031 |
Miltyk, Wojciech | ![]() |
Winnicka, K. | ![]() |
Source: Personal bibliographies
and: SICRIS
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