Abstract
The aqueous solubility of non-steroidal anti-inflammatory drugs (NSAIDs) Ketoprofen, Ibuprofen, Diflunisal and Naproxen were measured in the presence of the ethylenediamine (EDA) core polyamidoamine (PAMAM) dendrimers at 37 °C. The effect of concentration and generation of the PAMAM dendrimers has been investigated. Results showed that the solubility of NSAIDs in the PAMAM dendrimer solutions was approximately proportional to dendrimer concentration; the solubility of NSAIDs in higher generation PAMAM solutions was in fact higher that those in lower ones; the order of increased solubility of NSAIDs in PAMAM dendrimers at a constant dendrimer concentration and generation was Naproxen>Ketoprofen>Ibuprofen>Diflunisal. Under suitable conditions PAMAM dendrimers can be highly effective used to enhance the solubility of NSAIDs.
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