ISSN:
1612-1112
Schlagwort(e):
Thin-layer chromatography
;
Ether phospholipids
;
Densitometry
Quelle:
Springer Online Journal Archives 1860-2000
Thema:
Chemie und Pharmazie
Notizen:
Summary This paper reports on the use of uni-dimensional high performance thin layer chromatography on silica gel for the separation and detection of ether phospholipids involving in situ reflectance densitometry. Dipping reagents for charring (cupric sulfate-phosphoric acid and manganese chloride-sulfuric acid) or fluorescence enhancement (1-anilino-8-naphthalene sulfonate) were evaluated. Two lipophilic fluorescence reagents (2,5-bis-5′-tert-butylbenzoxazolyl-(2′))thiophene and 4-(N,N-dihexadecyl)amino-7-nitrobenz-2-oxa-1,3-diazole) which move in the mobile phase were tested. The latter reagent gave the more sensitive and stable measurements: nanogram amounts of ether phospholipids could be detected in a reproducible way. Since alkyl lysophospholipids are highly polar molecules, high performance thin layer chromatography is a challenge. Characteristics of sorbents and influence of mobile phases on detection and separation are discussed for the NBD-dihexadecylamine fluorescence detection method.
Materialart:
Digitale Medien
URL:
http://dx.doi.org/10.1007/BF02328508
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