Methods for the complete characterization of liposomes prepared by ether-injection are described in detail. The validity of atomic absorption spectrophotometry Ior measuring markers of trapped volume was checked by comparative determinations of markers with established optical spectrophotometrical methods. The favorable results usingl atomic absorption spectrophotometry to quantitate the marker Mn2+ are of particular relevance as manganese ion is also the paramagnetic probe in n.m.r, measurements of water permeability of lipo-somes; our results indicate that in such measurements no other marker need be incorporated.
Comparison of liposome entrapment parameters by optical and atomic absorption spectrophotometry
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Norma L. Yoss, Octavian Popescu, Victor I. Pop, Dorin Porutiu, Fred A. Kummerow, Gheorghe Benga; Comparison of liposome entrapment parameters by optical and atomic absorption spectrophotometry. Biosci Rep 1 January 1985; 5 (1): 1–5. doi: https://doi.org/10.1007/BF01117434
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