Journal of inclusion phenomena
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Crystal structure of the clathrate compound [dibromotetra(pyridine)copper(II)]·pyridine. Characterization by EXAFS of the pyridine desorption product
Journal of inclusion phenomena - Tập 17 - Trang 127-135 - 1994
Powder samples of the new compound [Cu(C5H5N)4·Br2](C5H5N) and of its desorption product have been studied by EXAFS. The crystal structure of [Cu(C5H5N)4Br2]·(C5H5N) has been determined from three-dimensional X-ray diffraction data and refined to theR value 0.038 for 379 observed reflections. (orthorhombic,Ccca,a=12.033(8),b=14.764(3),c=16.768 Å,V=1897(3) Å3,Z=4). The copper atom lies on a 222 sym......
Potentiometric Selectivities of Dibenzo-16-crown-5 Compounds for Alkali and Alkaline Earth Metal Cations and Ammonium Ions
Journal of inclusion phenomena - Tập 32 - Trang 133-150 - 1998
Potentiometric selectivities toward alkali and alkaline earth metal cations and ammonium ions are utilized to probe the complexation of these cationic species by dibenzo-16-crown-5 lariat ethers. Attachment of one or two pendant groups to the central carbon of the three-carbon bridge in dibenzo-16-crown-5 markedly alters the potentiometric responses of the ionophores when incorporated in solvent p......
Synthesis and selectivity of sym-hydroxydibenzo-14crown-4 ionophores for protons, alkali metal cations, and alkaline earth cations in polymeric membranes
Journal of inclusion phenomena - Tập 9 - Trang 125-135 - 1990
Six derivatives of sym-hydroxydibenzo-14-crown-4 have been prepared and incorporated into solvent-polymeric membranes. Responses of the membranes to protons, alkali metal cations, and alkaline earth cations have been determined. The preferred uptake of protons is attributed to proton complexation by stable crown ether alcohol and diol monohydrate species.
Recent progress in pillar[n]arene-based thin films on chemical sensor applications
Journal of inclusion phenomena - Tập 100 - Trang 39-54 - 2021
Pillar[n]arene is one of the most favorited supramolecular materials that possess a special chiral structure. The major property of pillar-structured materials is their high cavity, and this structure is able to dominate the higher cavity values due to the big number of n (5,6,7) as hydroquinone units. Thanks to this significant property, pillar[n]arenes can be preferred to use in a wide applicati......
Synthesis and metal ion complexing properties of novel chromogenic cryptands
Journal of inclusion phenomena - Tập 9 - Trang 113-123 - 1990
Four novel chromogenic benzocryptands and one side-armed chromogenic cryptand have been synthesized and their complexing abilities for alkali metal cations are described.
Urea co-inclusion compounds of glipizide for the improvement of dissolution profile
Journal of inclusion phenomena - Tập 60 - Trang 203-209 - 2007
In the present study, urea, a well-known adductor for linear compounds was successfully utilized for inclusion of glipizide—a highly substituted cyclic organic compound through a modified technique. Formation of glipizide co-inclusion compounds in urea was confirmed by FTIR, DSC and XRD. The minimum proportion of rapidly adductible endocyte (RAE) required for adduction of glipizide in urea was est......
Dual Fluorescence and Photoprototropic Characteristics of 2-Aminodiphenylsulphone-β-Cyclodextrin Inclusion Complex
Journal of inclusion phenomena - - 2005
Cucurbituril and α- and β-Cyclodextrins as Ligands for the Complexation of Nonionic Surfactants and Polyethyleneglycols in Aqueous Solutions
Journal of inclusion phenomena - Tập 37 - Trang 231-236 - 2000
The complexation of nonionicsurfactants and polyethylene glycols by the ligandscucurbituril, α- and β-cyclodextrin wasstudied in aqueous solution. All the examined guestmolecules form complexes with these ligands.Calorimetric titrations were performed to determinedirectly the stability constants and reactionenthalpies. The presence of an aromatic part innonionic surfactants leads to more stable co......
Immobilization of Cyclodextringlycosyltransferase (CGTase) from Bacillus firmus in Commercial Chitosan
Journal of inclusion phenomena - Tập 44 - Trang 383-386 - 2002
The enzyme cyclodextringlycosyltransferase (CGTase) was immobilized in commercial chitosan with different methods of immobilization at different temperatures, with the aim of obtaining a product with improved activity and higher recovery of the free enzyme activity. Three immobilization methods were tested: adsorption, covalent bonding with γ-aminopropyltriethoxysilane (CB-γAPTS), and covalent bon......
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