7 article(s) from Fenyvesi, Eva
- Full Research Paper
- Published 18 Mar 2019
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Figure 1: Schematic representation of β-CD with glucopyranose atom numbering and with alphabetic labeling of ...
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Scheme 1: Syntheses of 6A,6X-diazido-β-CDs as reference compounds using the “capping” literature method [11,12].
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Scheme 2: Syntheses of homo-difunctionalized β-CDs using different reaction conditions.
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Figure 2: HPLC chromatograms of the authentic 6A,6X-diazido-β-CDs with known regiochemistry (references 1–3, Scheme 1...
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Figure 3: NMR spectral regions of the three ditosyl regioisomers in D2O (500 MHz). The signals of the tosylat...
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Scheme 3: Syntheses of 6A-monoazido-6X-monotosyl-β-CDs using starting materials obtained from different react...
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Figure 4: Reversed-phase HPLC chromatograms of 6A-monoazido-6X-monotosyl-β-CDs prepared through reactions 4–8....
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Figure 5: HPLC separation of regioisomers and pseudoenantiomers of 6A-monoazido-6X-monotosyl-β-CD prepared in...
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Figure 6: Reversed-phase HPLC chromatograms of 6A,6X-diazido-β-CDs prepared in reactions 9–13.
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- Full Research Paper
- Published 15 Mar 2017
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Figure 1: Reaction scheme for the synthesis of eosin Y (2) and eosin B (4).
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Figure 2: Reaction scheme for the synthesis of eosin-appended β-CDs, 2–β-CD and 4–β-CD (NMM: N-methylmorpholi...
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Figure 3: TLC analysis of the composition of the crude coupling reaction mixtures.
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Figure 4: 1H NMR spectrum of 2–β-CD with partial assignment (DMSO-d6, 600 MHz, 298 K).
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Figure 5: Size distributions of 1 mM aqueous solutions of conjugates 4–β-CD (a) and 2–β-CD (b) at 25.0 °C (pH...
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Figure 6: Normalized absorption spectra of aqueous solutions of (a) eosin Y (2) and (b) conjugate 2–β-CD and ...
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Figure 7: Time-resolved fluorescence observed for aqueous solutions of (a) eosin Y (2) and (b) the 2–β-CD con...
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Figure 8: 1O2 luminescence detected upon 528 nm light excitation of D2O solutions of (a) eosin Y (2) and (b) 2...
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- Full Research Paper
- Published 28 Dec 2016
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Figure 1: Adsorption of β-CD on the surface of nanoTiO2 [37].
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Figure 2: Turbidity of nanoTiO2 dispersion (0.02%) in the presence of 1% HPBCD-P (green diamond) and 1% CMBCD...
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Figure 3: Aggregation effect of 0.1% NaCl on 0.02% nanoTiO2 dispersion in the absence (green curve) and prese...
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Figure 4: Aggregation effect of tap water on 0.02% nanoTiO2 dispersion in the absence (green curve) and prese...
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Figure 5: Photodegradation of MB in aqueous solutions: distilled water (A), 0.1% NaCl solution (B) and tap wa...
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Figure 6: Photodegradation of IBR in distilled water examining the drug itself (blue circle), and in the pres...
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- Full Research Paper
- Published 19 Jan 2016
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Figure 1: Example of elucidation of 2D NMR spectra of 2-O-Cin-α-CD.
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Figure 2: 2D ROESY spectrum of 2-O-Cin-α-CD in D2O at 25 °C at 24 mM concentration.
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Figure 3: Expansion of the 2D ROESY spectrum of 2-O-Cin-α-CD indicating the geometric arrangement.
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Figure 4: 1H NMR spectra of 2-O-Cin-α-CD in D2O at 25 °C at different concentrations.
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Figure 5: 1H NMR spectra of 3-O-Cin-α-CD in D2O at 25 °C recorded at various concentrations.
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Figure 6: Diffusion coefficients of 2-O-Cin-α-CD (black) and, 3-O-Cin-α-CD (red) in D2O at various concentrat...
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Figure 7: Effect of solvent on the size distribution of aggregates formed by 2-O-Cin-α-CD at 25 °C (the appli...
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Figure 8: Effect of a solvent on the size distribution of aggregates formed by 3-O-Cin-α-CD at 25 °C (the app...
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Figure 9: Aggregate sizes (diameter) of 2-O-Cin-α-CD (black) and 3-O-Cin-α-CD (red) in water at various tempe...
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Figure 10: Schematic representation of the DLS experiment proving the host–guest nature of the aggregate forma...
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Figure 11: The effect of competitive additives on the size distribution of aggregates formed by 3-O-Cin-α-CD a...
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Figure 12: Expansion of the 2D ROESY spectrum of 2-O-Cin-α-CD in the presence of CioOK as competitive guest mo...
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Figure 13: 1H NMR spectrum of 2-O-Cin-α-CD before (up) and after (down) the addition of CioOK in 5-fold molar ...
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Figure 14: The influence of 5 mM 2-O-Cin-α-CD in BGE (right column) on the decrease of the effective electroph...
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- Full Research Paper
- Published 30 Dec 2014
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Figure 1: Structure of RAMEA.
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Figure 2: Structures of ALA, EPA and DHA.
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Figure 3: Solubility of n−3 PUFAs and cholesterol in water solutions of 20% randomly methylated α-, β- and γ-...
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Figure 4: The effect of n−3 PUFAs on the expression of CD1a cell surface protein in resting (red), LPS-activa...
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Figure 5: Effect of n−3 PUFAs on the expression of the CD83 activation marker in resting (red), LPS-activated...
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Figure 6: Effect of n−3 PUFAs on the expression of the pro-inflammatory cytokine IL-6 in moDC activated by LP...
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Figure 7: The effect of n−3 PUFAs on the expression of GPR120 receptor in resting (red), LPS-activated (yello...
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- Full Research Paper
- Published 16 Dec 2014
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Scheme 1: Schematic representation of the various synthetic routes for the introduction of an anchoring group...
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Scheme 2: Synthetic strategy for the rhodaminylation of β-CD polymer.
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Figure 1: TLC study of β-CD iodination showing the proceeding of 6-monoiodination with increasing reaction ti...
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Figure 2: HSQC-DEPT spectrum of compound 1 with partial assignment.
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Figure 3: IR spectra of compound 1 (black line) and compound 2 (red line) showing the disappearance of the az...
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Scheme 3: Schematic representation for the coumarinylation of methylated β-CD-polymer, n, m, p and q mean the...
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Figure 4: HSQC-DEPT spectra of compound 4 with partial assignment; in the upper part the full spectrum is sho...
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Scheme 4: Schematic representation for the introduction of NBF in a cationic β-CD-polymer.
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Scheme 5: Schematic representation for the introduction of fluorescein into a β-CD-polymer.
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- Letter
- Published 02 Dec 2014
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Figure 1: Aggregate size analysis of aqueous solutions of G8 and ibuprofen by PCS. a) G8 in 1% solution; b) s...
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Scheme 1: Schematic representation of the preparation of HP-substituted maltooligomers.
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Figure 2: Electropherograms of tested model drugs in the presence of 2-hydroxypropylated acyclic and cyclic d...
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