Preparation of Surface-Supported Polylactide Spherical-Cap Particles

Biodegradable polymer particles are of considerable importance due to their multiple applications in medical diagnostics and therapy. Spherical-cap particles have been prepared in a very general and simple method by melting a thin polymer film supported on a solid substrate that is in contact with a...

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Veröffentlicht in:Langmuir : the ACS journal of surfaces and colloids. - 1985. - 38(2022), 48 vom: 06. Dez., Seite 14596-14606
1. Verfasser: Kuśmierz, Barbara (VerfasserIn)
Weitere Verfasser: Wysocki, Kamil, Chotkowski, Maciej, Mojzych, Ilona, Mazur, Maciej
Format: Online-Aufsatz
Sprache:English
Veröffentlicht: 2022
Zugriff auf das übergeordnete Werk:Langmuir : the ACS journal of surfaces and colloids
Schlagworte:Journal Article poly(lactide) 459TN2L5F5 Gold-198 027828ZV5Q Gold Radioisotopes Polymers
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520 |a Biodegradable polymer particles are of considerable importance due to their multiple applications in medical diagnostics and therapy. Spherical-cap particles have been prepared in a very general and simple method by melting a thin polymer film supported on a solid substrate that is in contact with a hydrophilic solvent. The melted polymer forms droplets which transform into solid particles attached to the surface after cooling down the sample. This approach has been demonstrated for polylactide adlayers on glass, which, when melted in glycerol, produce an array of polymer particles supported on the surface. The size of the particles depends on the experimental conditions and ranges from tens of nanometers to several micrometers. The particles can be employed to incorporate guest species, for example, drug molecules or inorganic nanoparticles. This has been confirmed herein through entrapment of an anticancer drug (doxorubicin) and radiogold (Au-198) nanoparticles. The resulting structures have been examined using a number of complementary physicochemical techniques including scanning and transmission electron microscopy, atomic force and optical microscopy as well as Raman and fluorescence spectroscopy 
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700 1 |a Wysocki, Kamil  |e verfasserin  |4 aut 
700 1 |a Chotkowski, Maciej  |e verfasserin  |4 aut 
700 1 |a Mojzych, Ilona  |e verfasserin  |4 aut 
700 1 |a Mazur, Maciej  |e verfasserin  |4 aut 
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