Simon V. Babenko
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View article: Net enhanced 1H NMR signals in symmetric molecules produced via heterogeneous hydrogenation with parahydrogen over immobilized metal complexes
Net enhanced 1H NMR signals in symmetric molecules produced via heterogeneous hydrogenation with parahydrogen over immobilized metal complexes Open
Heterogeneous parahydrogen-induced polarization (PHIP) offers a pathway to generate pure hyperpolarized molecular agents devoid of toxic catalysts. While conventional hydrogenative PHIP relies on hydrogenation with parahydrogen (p-H2) and …
View article: Inherent loss of parahydrogen-induced polarization for systems with magnetically equivalent nuclei in magnetic field cycling experiments
Inherent loss of parahydrogen-induced polarization for systems with magnetically equivalent nuclei in magnetic field cycling experiments Open
In the present work, we elucidate the inherent loss of net magnetization (⟨Iz⟩) in parahydrogen-induced polarization (PHIP) experiments with magnetic field cycling (MFC) for spin systems containing magnetically equivalent protons. The effe…
View article: Manipulating Stereoselectivity of Parahydrogen Addition to Acetylene to Unravel Interconversion of Ethylene Nuclear Spin Isomers
Manipulating Stereoselectivity of Parahydrogen Addition to Acetylene to Unravel Interconversion of Ethylene Nuclear Spin Isomers Open
Symmetric molecules exist as distinct nuclear spin isomers (NSIMs). A deeper understanding of their properties, including interconversion, requires efficient techniques for NSIMs enrichment. Selective hydrogenation of acetylene with parahy…
View article: Increased Free Radical Generation during the Interaction of a Quinone-Quinoline Chelator with Metal Ions and the Enhancing Effect of Light
Increased Free Radical Generation during the Interaction of a Quinone-Quinoline Chelator with Metal Ions and the Enhancing Effect of Light Open
Schiff bases and similar molecules forming metal complexes may cause redox effects, which may also be influenced by light. Anthraquinones such as doxorubicin and idarubicin are widely used antitumor agents, which can generate reactive oxyg…
View article: New Aspects of the Antioxidant Activity of Glycyrrhizin Revealed by the CIDNP Technique
New Aspects of the Antioxidant Activity of Glycyrrhizin Revealed by the CIDNP Technique Open
Electron transfer plays a crucial role in ROS generation in living systems. Molecular oxygen acts as the terminal electron acceptor in the respiratory chains of aerobic organisms. Two main mechanisms of antioxidant defense by exogenous ant…
View article: Stereoselectivity of Electron and Energy Transfer in the Quenching of (S/R)-Ketoprofen-(S)-Tryptophan Dyad Excited State
Stereoselectivity of Electron and Energy Transfer in the Quenching of (S/R)-Ketoprofen-(S)-Tryptophan Dyad Excited State Open
Photoinduced elementary processes in chiral linked systems, consisting of drugs and tryptophan (Trp) residues, attract considerable attention due to several aspects. First of all, these are models that allow one to trace the full and parti…