calix(6)arene
Fabrication of calixarene-grafted bio-polymeric magnetic composites for magnetic solid phase extraction of non-steroidal anti-inflammatory drugs in water samples
... Calixarene framework functionalized bio-polymeric magnetic composites (MSp- TDI-calix) were synthesized and utilized as magnetic solid-phase extraction (MSPE) sorbent for the extraction of non-steroidal ...
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Study on the Surface Acoustic Wave Sensor with Self Assembly Imprinted Film of Calixarene Derivatives to Detect Organophosphorus Compounds
... polydiacetylene calixarene derivatives bilayer film to detect the chlorobenzene, toluene and other aro- matic organics; the results indicated that the upper mar- gin functional groups of calixarenes had important ...
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Calixarene Drug deleivery invistegation of Calixarene compounds with conection by histidine L and D stereochemistry
... Abstract- In this research, Quantum-mechanical calculations were performed at the HF method with the 6-31+G*basis set and at the B3LYP method with the 6-31+G* basis set in the gas phase and five solvents such as water, ...
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Thermodynamic, Chemical and Electrochemical Investigations of Calixarene Derivatives as Corrosion Inhibitor for Mild Steel in Hydrochloric Acid Solution
... show that the linear regression coefficients (r) and the slopes are almost equal 1.000, indicating that the adsorption of inhibitor onto steel surface agrees the Langmuir adsorption isotherm. In addition, the equilibrium ...
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Investigation of Basis set Effects on the NMR Chemical Shielding tensors data on (10, 10) SWCNTs Calixarene complexes
... Density functional theory calculations (DFT), as well as hybrid methods (B3LYP) and HF method for CNT-Calixarene complexes have been carried out to study structural stability. The geometry of the Calixarene ...
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Calixarene based molecular capsule from olefin metathesis
... The reaction of tetrakis(allyloxy)calix[4]arene with the first- generation Grubbs catalyst, followed by catalytic hydrogena- tion, gave the novel bis-calixarene 15,20,46,51,64,69,74,79- ...
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The calixarene C-107 increases the affinity of the Na(+),K(+)-АТРase activity in plasmatic membrane of smooth muscle cells to the ouabain
... this calixarene increased the affin- ity of the enzyme for the sodium pump conven- tional inhibitor - ouabain: the magnitudes of the seeming constant of inhibition I ...
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Preparation of Calixarene-PI Nanofibers and Application as a Selective Adsorbent for Heavy Metal Ions
... Calixarenes are well known for their adsorption selectivity towards heavy metal ions [12,13]. They can be prepared by ring-closing condensation of p-tert-butylphenol and formaldehyde under alkaline conditions. They are ...
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The effect of calixarene C-107 on kinetic parameters of Nа(+),K(+)-АТРase of uterus myocyte plasma membrane
... on calixarene c-107 concentration: it increases twice with growth of calixarene concentration up to 50 nM and de- creases to the control level with further growth of calixarene ...
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Advanced quartz crystal microbalance techniques applied to calixarene sensing membranes
... The development of a QCM sensor for in situ monitoring of volatile organic solvents in the pre-explosive vapour range has been investigated in this thesis. Several QCM measurement techniques have been exploited ranging ...
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Chromatographic Application on a Calixarene Stationary Phase: A Novel HPLC Determination of Flumethasone Pivalate and Salicylic Acid in Their Binary Mixture and Ointment Dosage Form after Two Steps Extraction
... Present study reported for the first time about a new, simple, fast, robust and accurate, routine HPLC method for simultaneous quantification of Flumethasone Pivalate and salicylic acid in bulk powder and in an ointment ...
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Effect of Calixarene Sulfonic Acids Hydration on Their Proton Transport Properties
... of calixarene rings with various conformations in the ...For calixarene with the smallest size of the cycle - SC4 there is no appreciable complexity of the spectrum due to the conformational ...
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Facile Fluorescence Monitoring of Gut Microbial Metabolite Trimethylamine N-oxide via Molecular Recognition of Guanidinium-Modified Calixarene
... reporter pair by gradual addition of TMAO with known concentrations in HEPES buffer (10 mM, pH 7.4) and artificial urine solution, respectively.. NMR spectroscopy.[r] ...
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5,11,17,23 Tetra tert butyl 25,26,27,28 tetramethoxycalix[4]arene dichloromethane hemisolvate
... the calixarene (Figure 1) is best described by a partial cone conformation with opposite arene rings A and C differing only little from coplanarity ...the calixarene cavity offering not enough space for an ...
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Kinetic regularities of calixarene C-90 action on the myometrial plasma membrane Ca(2+),Mg(2+)-ATPase activity and on the Ca(2+) concentration in unexcited сells of the myometrium
... кальцієвої помпи плазматичної мембрани клітин гладеньких м’язів на підставі викори стання «молекулярної платформи» калікс[4] арену С90, який можливо здатний стимулю вати їхній базал[r] ...
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Crystal structure of a mono bridged calix[4]arene
... The flattening of the calixarene cone could be observed by comparing distances between para carbon atoms of opposite phenolic rings. The distance between C4 and C27 is 5.698 (5) A ˚ , while that between C16 and ...
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Calixarene methylene bisphosphonic acids as promising effectors of biochemical processes
... centre; this is somewhat different from results ob tained with docking of calix[4]arene С97 alone. in addition, spatial orientation of calix[4]arene С97 in the ligand binding centre [r] ...
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Furin inhibitors based on the derivatives of calix[4]arene CX3im
... The enzymatic reaction was terminated by the addition of 2 ml of the EDTA solution and the quan - tity of the released AMC was determined versus the buffer as described above. The enzyme activity in the absence of the ...
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A new pseudopolymorph of 5,11,17,23,29,35,41,47 octabromo 49,50,51,52,53,54,55,56 octamethoxycalix[8]arene
... the calixarene molecules are located on a centre of inversion and that the solvent molecules occupy similar positions with respect to the calixarene ...
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Crystal structure of a supramolecular lithium complex of p tert butylcalix[4]arene
... the calixarene hydroxy groups), were obtained from p-tert-butylcalix[4]arene reacted with LiH in tetrahydrofuran, followed by recrystallization from ...mono-anionic calixarene molecule, one Li + cation ...
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