期刊
MOLECULAR PHYSICS
卷 108, 期 5, 页码 657-665出版社
TAYLOR & FRANCIS LTD
DOI: 10.1080/00268971003657094
关键词
molecular simulation; ionic liquids; DPD simulation; polymeric vehicle; active agent
资金
- PAPIIT [IN104410]
- catedra de investigacion PACIVE [VIASC-102]
This work explores the diffusivity of the drug albendazole contained in a polymeric vehicle, Styrene-Divinylbenzene (ST-DVD), when it is subject to different environments. The environments consist of water and three different ionic liquids. First, the solubility parameters of these ionic liquids, [BMIM][PF6], [HMIM][Br] and [BMIM][BF4], and albendazole were evaluated by means of molecular dynamics employing COMPASS force-field and a NPT ensemble at 298 K. Then a mesoscopic simulation using Dissipative Particle Dynamics (DPD) was used. In the presence of ionic liquids the albendazole exhibits a diffusivity in [BMIM][PF6] around ten times that shown in [BMIM][BF4] or [HMIM][Br]. This is connected with the corresponding solvent power. The results obtained from these molecular and mesoscopic simulations are consistent with reported experimental results and are useful to predict and evaluate the solvent power of ionic liquids applied to drugs of pharmaceutical use.
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