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DC Field | Value | Language |
---|---|---|
dc.contributor.author | Kumar, Anil | - |
dc.date.accessioned | 2021-10-27T04:12:25Z | - |
dc.date.available | 2021-10-27T04:12:25Z | - |
dc.date.issued | 2003-12 | - |
dc.identifier.uri | http://dspace.bits-pilani.ac.in:8080/xmlui/handle/123456789/2966 | - |
dc.description.abstract | Self-aggregation of cationic amphiphilic 5, 10, 15-tris-(1-methylpyridinium-4-yl)-20-[4-(alkoxy)phenyl]-21H, 23H porphyrin tritosylates (2a-e) with different alkoxy chain length in aqueous and binary solvent systems has been studied by UV-visible, fluorescence and 1H NMR spectroscopy. Binary solvent, concentration, ionic strength, presence of surfactants, and temperature govern the aggregations of 2a-e. Porphyrins having side chain length more than ten carbon atoms (2c-e) form higher aggregates, such as vesicles by sonication of dimers formed initially, whereas porphyrins with lesser side chain length (2a & b) form lower aggregates only. Further, the size and the formation of vesicles have been confirmed by transmission electron microscopy (TEM) and dye entrapment experiments for 2e | en_US |
dc.language.iso | en | en_US |
dc.publisher | NISCAIR | en_US |
dc.subject | Chemistry | en_US |
dc.subject | Aggregation | en_US |
dc.subject | Binary solvent | en_US |
dc.subject | Amphiphilic porphyrins | en_US |
dc.title | Effect of side chain length on the aggregation of amphiphilic 5,10,15-tris (1-methylpyridinium-4-yl)-20-[4-(alkoxy) phenyl] 21H, 23H porphyrin tritosylates | en_US |
dc.type | Article | en_US |
Appears in Collections: | Department of Chemistry |
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