Journal
CHEMICAL PHYSICS LETTERS
Volume 655, Issue -, Pages 43-50Publisher
ELSEVIER SCIENCE BV
DOI: 10.1016/j.cplett.2016.05.031
Keywords
Inclusion complex; beta-Cyclodextrin; Neurotransmitter
Funding
- SAP, Department of Chemistry, NBU under university grants commission (UGC), New Delhi
- UGC, New Delhi, Govt. of India
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Molecular assemblies of beta-cyclodextrin with few of the most important neurotransmitters, viz., dopamine hydrochloride, tyramine hydrochloride and (+/-)-epinephrine hydrochloride in aqueous medium have been explored by reliable spectroscopic and physicochemical techniques as potential drug delivery systems. Job plots confirm the 1:1 host-guest inclusion complexes, while surface tension and conductivity studies illustrate the inclusion process. The inclusion complexes were characterized by H-1 NMR spectroscopy and association constants have been calculated by using Benesi-Hildebrand method. Thermodynamic parameters for the formation of inclusion complexes have been derived by van't Hoff equation, which demonstrate that the overall inclusion processes are thermodynamically favorable. (C) 2016 Elsevier B.V. All rights reserved.
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