Zobrazeno 1 - 10
of 61
pro vyhledávání: '"E.I. Vargha-Butler"'
Publikováno v:
The Journal of Adhesion. 80:815-829
Adsorption of four different poly(ethylene oxide)/poly(propylene oxide)/poly(ethylene oxide) triblock copolymers (Pluronics®) onto the hydrophobized surface of the sensor was measured by the optical waveguide lightmode spectroscopy (OWLS). Adsorbed
Publikováno v:
Phys. Chem. Chem. Phys.. 6:1575-1579
Interfacial properties of spread monolayers of poly(lactic acid), PLA and poly(ethylene oxide)–poly(propylene oxide)–poly(ethylene oxide) block copolymer (Pluronic6400) have been studied at the air–water interface by measuring surface pressure
Publikováno v:
Polymers for Advanced Technologies. 14:839-846
Poly(dl-lactide) (PLA) and two of its random copolymers with glycolic acid, poly(dl-lactide-co-glycolide) (PLGA) with 75/25 and 50/50 component ratios of lactide/glycolide were blended with poly(ethylene oxide)/poly(propylene oxide)/poly(ethylene oxi
Autor:
Erika Kálmán, Éva Kiss, Zsófia Keresztes, L. Zhang, E.I. Vargha-Butler, C. N. C. Lam, A. W. Neumann
Publikováno v:
Colloid & Polymer Science. 279:1160-1168
The study of the interfacial characteristics of biodegradable polymers/copolymers is of importance from the point of view of both surface science and pharmaceutical/cosmetic applications. Films formed from biodegradable polymers allow systematic wett
Autor:
Éva Kiss, E.I. Vargha-Butler
Publikováno v:
Colloids and Surfaces B: Biointerfaces. 15:181-193
Present pharmaceutical research is focused on the development, modification and characterisation of new drug delivery systems. Among the many different substances, biodegradable polymers and copolymers are of practical importance, especially if their
Publikováno v:
Colloids and Surfaces B: Biointerfaces. 6:269-277
The effects of (a) drug input concentration, (b) liposome composition and (c) hydrophobicity of the encapsulated drug on dynamic in-vitro drug release were studied. Two corticosteroids with different hydrophobicities, triamcinolone (TRM) and hydrocor
Autor:
S.B. Kulkarni, E.I. Vargha-Butler
Publikováno v:
Colloids and Surfaces B: Biointerfaces. 4:77-85
The study of the encapsulation efficiency of various drugs in liposomal drug delivery systems is of pharmaceutical importance. MLV liposomes, formed as multilamellar vesicles (MLV), contain many hydrophobic domains in the membranes; hence they are pa
Study of liposomal drug delivery systems 1. Surface characterization of steroid loaded MLV liposomes
Autor:
E.L. Hurst, E.I. Vargha-Butler
Publikováno v:
Colloids and Surfaces B: Biointerfaces. 3:287-295
Surface tension of liposomal drug delivery vesicles may influence the stability as well as the drug release rate from the carrier. The effects of composition of the delivery vesicle and characteristics of encapsulated drug on the surface properties o
Publikováno v:
Colloids and Surfaces. 58:271-286
The surface properties of selected drugs and liposomes (drug delivery vesicles) were characterized by two independent techniques: contact angle and sedimentation volume methods. Firstly, advancing contact angles θA, of different liquids were measure
Publikováno v:
Journal of Applied Polymer Science. 42:1959-1964
Contact angle measurements with three different liquids were performed on: (i) butyl rubber PB 101-3 (Polysar Ltd.) and (ii) Dow Corning 236 dispersion. Contact angles were measured at different temperatures within the range from 23°C (room temperat