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Vitamin B12 and Micellar Solution Enable Regioselective Ring Opening of Epoxides and Aziridines with Electrophilic Olefins
No full textVitamin B12, a water-soluble cobalt complex, is inherently predisposed to catalyze reactions under aqueous conditions. Despite its potential, adopting this strategy for transformations of hydrophobic reagents has been challenging, because of their low aqueous solubility. Here, we demonstrate that vitamin B12 promotes the reaction of epoxides and aziridines with electrophilic olefins in a micellar system. The desired products are obtained efficiently in a fully regioselective manner. This green catalytic approach further advances the use of vitamin B12 in sustainable catalysis, providing a valuable method to synthesize important intermediates.</p
Data related to the work entitled Spectroscopic Properties and Biological Activity of Fluphenazine Conjugates with Gold Nanoparticles
No full textThe objective of this study was to develop a method for preparing stable fluphenazine (FPZ) conjugates with gold nanoparticles (AuNPs) and to explore their physicochemical and biological characteristics. The FPZ-AuNP conjugates were synthesized through a ligand exchange reaction on the surface of AuNPs, with an average diameter of 17 ± 5 nm. Electrokinetic analyses showed that the zeta potential of the FPZ-AuNPs was influenced by both their chemical composition and the pH of the surrounding medium. The conjugates exhibited an isoelectric point, attributed to the acid–base behavior of FPZ. To determine the molecular orientation of FPZ upon adsorption, surface-enhanced Raman spectroscopy (SERS) was employed, supported by density functional theory (DFT) calculations. Biological evaluation using human neuroblastoma SH-SY5Y cells demonstrated that FPZ-AuNP conjugates significantly decreased cell viability compared to either free FPZ or citrate-stabilized AuNPs alone. The observed cytotoxic effect was dose-dependent, increasing with higher concentrations of the FPZ-AuNP conjugates.</p
Spis zakonników litewskiej prowincji bazylianów w porządku alfabetycznym w języku polskim, białoruskim, litewskim, ukraińskim
No full textAlfabetyczny spis nazwisk zakonników prowincji litewskiej (zawiera wersje w języku polskim, białoruskim, litewskim, ukraińskim) - stan 17 marca 2025 r.</p
MC simulations and model concerning nicotinic receptor protein function
No full textThe Mathematica11 codes containing the MC simulations and model used in the article "Deterministic Principles Underlying Nicotinic Receptor Protein Function".</p
Responses of RTgill-W1 cells to cyanobacterial metabolites microcystin-LR, anabaenopeptin-A, cylindrospermopsin, their binary and ternary mixtures
No full textReakcje komórek RTgill-W1 na metabolity sinic: mikrocystynę-LR, anabaenopeptynę-A, cylindrospermopsynę, ich mieszaniny binarne i potrójne mieszaniny</p
Polarized infrared spectra, birefringence and DSC measurements and DFT calculations for liquid crystal dimers based on ether cyanobiphenyl with nematic twist-bend phase and their mixtures
No full textThe files contain raw data from the analysis to be published in the article entitled „Mix And Match: Twist-Bend Nematic Behaviour In Liquid Crystal Dimer Mixtures".The subject of this study were binary mixtures of 1,ω-bis(4-cyanobiphenyl-4’-yloxy) alkanes, referred to as the CBOnOCB series, where n refers to the number of methylene units in the flexible alkyl spacer. We selected odd-spaced nematogens from the CBOnOCB series (n = 3, 7), which do not exhibit a stable NTB phase individually. The data include the raw infrared spectra as a function of temperature and from a polarized beam for one liquid crystal dimer (BCO7OCB) and its mixture with CBO3OCB dimer in a percentage ratio of 50:50 . The files from the infrared spectroscopic measurements are in a file with the extension bsp, which include a description of the temperatures and polarizations, and contain the determined integral absorbances for selected bands. The samples studied are ether dimers with a mesogenic group: cyanobiphenyl, while the linker length between the arms is 3 and 7. The attached files are labeled with the sample name and polarization. </p
Kink-and-Disconnection Failed Solar Eruption in X-ray: STIX and HXI images, AIA DEMs
No full textReconstructed STIX (binary) and HXI (fits) images used for analysis of 3D position of HXR sources. In addition, AIA Differential Emission Measure (DEM) images are provided as PNG files.</p
Dataset for manuscript: Time-resolved in-situ NMR approach for complex reaction monitoring. A case of photodegradation of Retinyl Acetate
No full textRaw data, processing scripts and scripts to generate figures in the manuscript:Time-Resolved in-situ NMR approach for complex reaction monitoring. A case of photodegradation of Retinyl Acetate</p
Isolation and purification of solanesol from post-distillation residue of burley tobacco leaves by countercurrent separation methods
No full textThe package contains dataset associated with the article: "Isolation and purification of solanesol from post-distillation residue of burley tobacco leaves by countercurrent separation methods". The files present the results of research on a multistep procedure for preparing highly purified solanesol from tobacco leaves based on supercritical fluid extraction (SFE) and molecular distillation (MD), followed by centrifugal partition chromatography (CPC) and countercurrent chromatography (CCC). The files contain raw data associated with fractionation od post-distillation residue and analytical methods applied to characterize the purity and structure of isolated solanesol: high-performance liquid chromatography (HPLC), liquid chromatography-mass spectrometry (LC-APCI-MS/MS), and nuclear magnetic resonance (1H-NMR) spectroscopy.</p
Control of the unscreened modes in AlGaN/GaN terahertz plasmonic crystals
No full textThis is a set of research data related to the article titled "Control of the unscreened modes in AlGaN/GaN terahertz plasmonic crystals" J. Appl. Phys. 135, 193103 (2024), doi:10.1063/5.0190483.The set contains numerical data used to create the next Figures:Figure 3. Transmittance spectra of the S8 structure at different gate voltages below the threshold (T=70K)Figure 4. Dependence of the depletion region width on the gate voltage overdrive obtained in simulations fitting the experimental data in Ref. [11] and using Eq. (2).Figure 5. Drain current as a function of the bottom gate voltage for C1 structure (bottom gate transfer current-voltage characteristic) at top gate voltage VTG = 0. Figure 6. a) Reflectance spectra of the C1 structure measured with VBG = 0 and modulated top gate voltage from VTG = –10 V to different values from VTG = 0 to VTG = –7 V. (b) Reflectance spectra extracted from the experimental spectra in (a) using the convolution procedure assuming the Lorentzian shape of the spectral lines. Figure 7(a) Reflectance spectra of the C1 structure measured at different bottom gate voltage with top gates modulated between VTG = 0 and VTG = –6 V. (b), (c) Reflectance spectra extracted from the experimental spectra in (a) using the convolution procedure. The dotted lines in (a) show the fitting spectra, which are the differences of the spectra shown in (b) and (a). (d) The contour plot showing the reflectance maxima at VTG = 0 and VTG = –6 V.</p
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