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Chiral [Mn II Mn III 3 M′] (M′=Na I , Ca II , Mn II ) and [Mn II Mn III 6 Na I 2 ] Clusters Built from an Enantiomerically Pure Schiff Base: Synthetic, Chiroptical, and Magnetic Properties
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Two-Dimensional Spatial−Spectral ESR Imaging of Diffusion Based on Molybdenum(V)
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Molecular dynamics study on the influence of C-terminal sugar substitution on dynamics and conformation of vancomycin derivatives
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Practical Method for the Absolute Configuration Assignment of tert/tert 1,2-Diols Using Their Complexes with Mo2(OAc)4
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The Oxolane Ring Opening of Some Muramic Acid Derivatives Under Acidic Conditions
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Solid phase synthesis of two muramyl pentapeptide derivatives
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Excess Electron Attachment to Disulfide-Bridged l,l-Cystine. An ab Initio Study
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High-symmetry compact structures are preferred equilibrium configurations of Li n F n+1 − ( n = 2–5) superhalogen anions
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Negatively Charged Xanthine. I. Anions Formed by Canonical Isomers
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Temperature Dependence of the Dissociative Electron Attachment to 2-Thiothymine
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The acid strength of the HClO4/n(AlF3) and HClO4/n(SbF5) (n = 1–3) Lewis–Brønsted superacids containing the excess of the Lewis acid component
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First Evidence of Rhombic (NaCl)2-. Ab Initio Reexamination of the Sodium Chloride Dimer Anion
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Coulomb-Assisted Dissociative Electron Attachment: Application to a Model Peptide
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Why Are SiX5– and GeX5– (X = F, Cl) Stable but Not CF5– and CCl5–?
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Inverse Potassium Hydride: A Theoretical Study
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Ab initio studies of the structure, physicochemical properties and behavior of lead chlorides and chloroplumbate anions in gaseous and aqueous phases
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Unusual and Conventional Dative Bond Formation by s2 Lone Pair Donation from Alkaline Earth Metal Atoms to BH3, AlH3, and GaH3
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Possible Formation of H3O+ Cations Due to Aluminum Fluoride Interactions with Water
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The Only Stable State of O2- Is the X 2Πg Ground State and It (Still!) Has an Adiabatic Electron Detachment Energy of 0.45 eV
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Negative Ion Formation in Sodium Chloride TrimerAn ab Initio Study
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Nanosized zinc, epigenetic changes and its relationship with DMBA induced breast cancer in rats
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Bound-Excited Electronic States of the Anion of 2,3,5,6-Tetrafluoro-7,7,8,8-tetracyanoquinodimethane
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Chemical Reduction of 2,4,6-Tricyano-1,3,5-triazine and 1,3,5-Tricyanobenzene. Formation of Novel 4,4‘,6,6‘-Tetracyano-2,2‘-bitriazine and Its Radical Anion
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Toward an Understanding of the Chemiluminescence Accompanying the Reaction of 9-Carboxy-10-methylacridinium Phenyl Ester with Hydrogen Peroxide
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Simulating Electron Transfer Attachment to a Positively Charged Model Peptide
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Caralumane Superacids of Lewis and Brønsted Character
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Formation of Enormously Strongly Bound Anionic Clusters Predicted in Binary Superacids
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Theoretical Study of Damage to DNA by 0.2−1.5 eV Electrons Attached to Cytosine
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Prediction of Thymine Dimer Repair by Electron Transfer from Photoexcited 8-Aminoguanine or Its Deprotonated Anion
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A metastable [(MgF3)2]2− dianion composed of two superhalogen anions
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Mechanism for Repair of Thymine Dimers by Photoexcitation of Proximal 8-Oxo-7,8-dihydroguanine
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Fate of Dipole-Bound Anion States when Hydrated
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Mechanism of the ethanol-based (C2H5OH2)+(SbF6)− salt formation by the superacid-catalyzed acetaldehyde hydrogenation
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An Excess Electron Bound to Magnesium Halides and Basic Grignard Compounds (RMgX and RMgR, R = Me, Et, Ph; X = F, Cl, Br)
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Electron Binding Capabilities of Some Silylenes Having Small Singlet−Triplet Splittings or Triplet Ground States
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Dipole and Coulomb Forces in Electron Capture Dissociation and Electron Transfer Dissociation Mass Spectroscopy
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Strength of the Lewis–Brønsted Superacids Containing In, Sn, and Sb and the Electron Binding Energies of Their Corresponding Superhalogen Anions
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Effects of Base π-Stacking on Damage to DNA by Low-Energy Electrons
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A Theoretical Model for Indirect Dissociative Electron Attachment
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Theoretical Search for Alternative Nine-Electron Ligands Suitable for Superhalogen Anions
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Backbone and Side-Chain Cleavages in Electron Detachment Dissociation (EDD)
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The Reason Why HAlCl4 Acid Does Not Exist
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The formation of formaldehyde via the carbon monoxide hydrogenation catalyzed by the HSbF6 superacid
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Effect of hybrid TiO2 nanoparticles with controlled morphology on rheological properties of poly(styrene-co-acrylonitrile) nanocomposites
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Elucidation of transformation pathway of ketoprofen, ibuprofen, and furosemide in surface water and their occurrence in the aqueous environment using UHPLC-QTOF-MS
PublikacjaThe identification and determination of transformation products (TPs) of pharmaceuticals is essential nowadays, in order to track their fate in the aqueous environment and, thus, to estimate the actual pollution. However, this is a challenging task due to the necessity to apply high-resolution instruments enable to detect known and unknown compounds. This work presents the use of liquid chromatography quadrupole time-of-flight...
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Optimization of capillary isotachophoretic method for determination of major macroelements in blue honeysuckle berries (Lonicera caerulea L.) and related products
PublikacjaA reliable and repeatable isotachophoretic method for the simultaneous determination of K+, Na+, Ca2+, Mg2+ and ammonium in berries of different blue honeysuckle cultivars was developed. The usefulness of the complex-forming equilibria in determining the cations mentioned above was studied. The addition of 7.5 mM 18-crown-6 and 2 mM α-hydroxyisobutyric acid to sulfuric acid enhanced the separation capacity of the leading electrolyte....
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Mononuclear sodium(I) and copper(I) silanethiolates
PublikacjaStericallyencumberedligand(ArO) 3 SiS − , where Ar = 2,6-diisopropylphenyl, was employed for the synthesisof a dicoordinate copper(I) complex. The ligand creates a very hydrophobic environment around the metal center as indicated by the crystal structures and FT-IR spectroscopy.
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Improvement of derivatized amino acid detection sensitivity in micellar electrokinetic capillary chromatography by means of acid-induced pH-mediated stacking technique
PublikacjaDerivatization is a frequently used sample prepara-tion procedure applicable to the enhancement of analyte de-tection sensitivity. Amino acids mostly require derivatization prior to electrophoretic or chromatographic analysis, especial-ly if spectrophotometric detection is used. This study presents an on-line preconcentration technique for derivatized amino acids. The sensitivity of the method was improved by the utilization of...
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Efficient Method for the Synthesis of Functionalized Basic Maleimides
PublikacjaA three-step procedure involving Diels-Alder condensation of maleic anhydride with furane, formation of N-substituted imide upon reaction with appropriate diamine and a final retro Diels-Alder regeneration of the maleic carbon-carbon double bond is proposed for an unequivocal synthesis of N-substituted basic maleimides. The novel method is characterized by mild reaction conditions, easy work-up, high yields and no need for additional...
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Optimization of Chemical Functionalities of Indole-2-carboxamides To Improve Allosteric Parameters for the Cannabinoid Receptor 1 (CB1)
Publikacja5-Chloro-3-ethyl-N-(4-(piperidin-1-yl)phenethyl)-1H-indole-2-carboxamide (1; ORG27569) is a prototypical allosteric modulator for the cannabinoid type 1 receptor (CB1). Here, we reveal key structural requirements of indole-2-carboxamides for allosteric modulation of CB1: a critical chain length at the C3-position, an electron withdrawing group at the C5-position, the length of the linker between the amide bond and the phenyl ring...