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Artículos de revistas sobre el tema "Molecular hydrogen"

Autor: Grafiati

Publicado: 4 de junio de 2021

Última modificación: 25 de julio de 2025

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1

Wang, Xinyu, Huiyuan Wang, Hongmin Zhang, Tianxi Yang, Bin Zhao, and Juan Yan. "Investigation of the Impact of Hydrogen Bonding Degree in Long Single-Stranded DNA (ssDNA) Generated with Dual Rolling Circle Amplification (RCA) on the Preparation and Performance of DNA Hydrogels." Biosensors 13, no. 7 (2023): 755. http://dx.doi.org/10.3390/bios13070755.

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DNA hydrogels have gained significant attention in recent years as one of the most promising functional polymer materials. To broaden their applications, it is critical to develop efficient methods for the preparation of bulk-scale DNA hydrogels with adjustable mechanical properties. Herein, we introduce a straightforward and efficient molecular design approach to producing physically pure DNA hydrogel and controlling its mechanical properties by adjusting the degree of hydrogen bonding in ultralong single-stranded DNA (ssDNA) precursors, which were generated using a dual rolling circle amplif

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2

Habart, Emilie, Malcolm Walmsley, Laurent Verstraete, et al. "Molecular Hydrogen." Space Science Reviews 119, no. 1-4 (2005): 71–91. http://dx.doi.org/10.1007/s11214-005-8062-1.

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3

Saldan, Ivan, Yuliia Stetsiv, Viktoriia Makogon, Yaroslav Kovalyshyn, Mykhaylo Yatsyshyn, and Oleksandr Reshetnyak. "Physical Sorption of Molecular Hydrogen by Microporous Organic Polymers." Chemistry & Chemical Technology 13, no. 1 (2019): 85–94. http://dx.doi.org/10.23939/chcht13.01.085.

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4

Mei, Hongyu, Yaqing Huang, Juzhen Yi, et al. "Molecular Dynamics Simulation of the Thermosensitive Gelation Mechanism of Phosphorylcholine Groups-Conjugated Methylcellulose Hydrogel." Gels 11, no. 7 (2025): 521. https://doi.org/10.3390/gels11070521.

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The intelligently thermosensitive 2-methacryloyloxyethyl phosphorylcholine (MPC) groups-conjugated methylcellulose (MC) hydrogel, abbreviated as MPC-g-MC, exhibits good potential for prevention of postoperative adhesions. However, its thermosensitive gelation mechanism and why the MPC-g-MC hydrogel shows a lower gelation temperature than that of MC hydrogel are still unclear. Molecular dynamics (MD) simulation was thus used to investigate these mechanisms in this work. After a fully atomistic MPC-g-MC molecular model was constructed, MD simulations during the thermal simulation process and at

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5

Schechter, I., R. Kosloff, and R. D. Levine. "Insertion vs. abstraction in the atomic hydrogen + molecular hydrogen .fwdarw. molecular hydrogen + atomic hydrogen exchange reaction." Journal of Physical Chemistry 90, no. 6 (1986): 1006–8. http://dx.doi.org/10.1021/j100278a009.

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6

Kalantaryan, O. V. "Ionoluminescence of silica bombarded by 420 keV molecular hydrogen ions." Functional Materials 20, no. 4 (2013): 462–65. http://dx.doi.org/10.15407/fm20.04.462.

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7

Kalantaryan, O. "Fast ion induced luminescence of silica implanted by molecular hydrogen." Functional materials 21, no. 1 (2014): 26–30. http://dx.doi.org/10.15407/fm21.01.26.

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8

Vorob’ev, V. S., and S. P. Malyshenko. "Superfluid molecular hydrogen." Journal of Experimental and Theoretical Physics Letters 71, no. 1 (2000): 39–41. http://dx.doi.org/10.1134/1.568273.

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9

Graydon, Oliver. "Probing molecular hydrogen." Nature Photonics 8, no. 5 (2014): 350. http://dx.doi.org/10.1038/nphoton.2014.99.

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10

Cammack, Richard. "Splitting molecular hydrogen." Nature 373, no. 6515 (1995): 556–57. http://dx.doi.org/10.1038/373556a0.

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11

Johnsen, Hennie Marie, Marianne Hiorth, and Jo Klaveness. "Molecular Hydrogen Therapy—A Review on Clinical Studies and Outcomes." Molecules 28, no. 23 (2023): 7785. http://dx.doi.org/10.3390/molecules28237785.

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With its antioxidant properties, hydrogen gas (H2) has been evaluated in vitro, in animal studies and in human studies for a broad range of therapeutic indications. A simple search of “hydrogen gas” in various medical databases resulted in more than 2000 publications related to hydrogen gas as a potential new drug substance. A parallel search in clinical trial registers also generated many hits, reflecting the diversity in ongoing clinical trials involving hydrogen therapy. This review aims to assess and discuss the current findings about hydrogen therapy in the 81 identified clinical trials a

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12

Toh, Pek Lan, Syed Amir Abbas Shah Naqvi, Suh-Miin Wang, Yao-Cong Lim Lim, Lee-Sin Ang, and Lan Ching. "A COMPUTATIONAL DENSITY FUNCTIONAL THEORY INVESTIGATION OF THE INTERACTION OF BORON NITRIDE NANOSHEETS WITH MULTIPLE MOLECULAR HYDROGENS." Malaysian Journal of Science 42, no. 3 (2023): 5–12. http://dx.doi.org/10.22452/mjs.vol42no3.2.

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In this study, the adsorption of molecular hydrogens (H2) on boron nitride (BN) frameworks was investigated using the density functional theory (DFT) technique. The results of optimized geometric structures revealed that molecular hydrogens were favourably adsorbed on top of nitrogen atoms in the BN monolayers. In addition, the optimized equilibrium geometries were utilized to calculate the electronic structures, including binding energies, energies of the highest and lowest occupied molecular orbitals (HOMO and LUMO), molecular electrostatic potentials (MEPs), and Mulliken atomic charges (MAC

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13

Borondo, F., F. Mart̆n, and M. Yánez. "Molecular mechanism for hydrogen-hydrogen excitation collisions." Physical Review A 36, no. 8 (1987): 3630–38. http://dx.doi.org/10.1103/physreva.36.3630.

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14

Eaker, Charles W., and George C. Schatz. "A quasiclassical trajectory study of the molecular hydrogen(1+) + molecular hydrogen .fwdarw. triatomic hydrogen(1+) + atomic hydrogen reaction." Journal of Physical Chemistry 89, no. 12 (1985): 2612–20. http://dx.doi.org/10.1021/j100258a036.

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15

Jiang, Zhiqiang, Ya Li, Yirui Shen, et al. "Robust Hydrogel Adhesive with Dual Hydrogen Bond Networks." Molecules 26, no. 9 (2021): 2688. http://dx.doi.org/10.3390/molecules26092688.

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Hydrogel adhesives are attractive for applications in intelligent soft materials and tissue engineering, but conventional hydrogels usually have poor adhesion. In this study, we designed a strategy to synthesize a novel adhesive with a thin hydrogel adhesive layer integrated on a tough substrate hydrogel. The adhesive layer with positive charges of ammonium groups on the polymer backbones strongly bonds to a wide range of nonporous materials’ surfaces. The substrate layer with a dual hydrogen bond system consists of (i) weak hydrogen bonds between N,N-dimethyl acrylamide (DMAA) and acrylic aci

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16

Artamonov, Mikhail Yu, Andrew K. Martusevich, Felix A. Pyatakovich, Inessa A. Minenko, Sergei V. Dlin, and Tyler W. LeBaron. "Molecular Hydrogen: From Molecular Effects to Stem Cells Management and Tissue Regeneration." Antioxidants 12, no. 3 (2023): 636. http://dx.doi.org/10.3390/antiox12030636.

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It is known that molecular hydrogen is a relatively stable, ubiquitous gas that is a minor component of the atmosphere. At the same time, in recent decades molecular hydrogen has been shown to have diverse biological effects. By the end of 2022, more than 2000 articles have been published in the field of hydrogen medicine, many of which are original studies. Despite the existence of several review articles on the biology of molecular hydrogen, many aspects of the research direction remain unsystematic. Therefore, the purpose of this review was to systematize ideas about the nature, characteris

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17

Moseichuk, Volodymyr, Vladyslav Moseichuk, and Vasyl Makolinets. "MOLECULAR HYDROGEN GENERATOR GVCH LIFE." ORTHOPAEDICS, TRAUMATOLOGY and PROSTHETICS, no. 3 (October 25, 2021): 65–68. http://dx.doi.org/10.15674/0030-59872021365-68.

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Molecular hydrogen is one of the effective antioxidants, which not only does not disrupt normal metabolism in the body, but also activates its antioxidant systems. Hydrogen-saturated water has antioxidant, anti-inflammatory, anti-allergic, anti-apoptotic properties, stimulates energy metabolism and contributes to the systemic recovery of the body. It is used as a therapeutic factor for the treatment of patients with various pathologies: arterial hypertension, coronary heart disease, diabetes, obesity, metabolic disorders, disorders of the musculoskeletal system. The article discusses the vario

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18

Syrkasheva, Syrkasheva A. G., and Dolgushina N. V. Dolgushina. "Molecular hydrogen and reproduction." Akusherstvo i ginekologiia 9_2018 (October 1, 2018): 20–23. http://dx.doi.org/10.18565/aig.2018.9.20-23.

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19

Longmore, A. J., E. I. Robson, and R. F. Jameson. "Molecular hydrogen in S106." Monthly Notices of the Royal Astronomical Society 221, no. 3 (1986): 589–98. http://dx.doi.org/10.1093/mnras/221.3.589.

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20

Seiler, Ch, S. D. Hogan, and F. Merkt. "Trapping cold molecular hydrogen." Physical Chemistry Chemical Physics 13, no. 42 (2011): 19000. http://dx.doi.org/10.1039/c1cp21276a.

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21

Fedders, P. A., D. J. Leopold, P. H. Chan, R. Borzi, and R. E. Norberg. "Molecular Hydrogen ina-Si:H." Physical Review Letters 85, no. 2 (2000): 401–4. http://dx.doi.org/10.1103/physrevlett.85.401.

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22

Rissanen, K. T. "Hydrogen bonded molecular assemblies." Acta Crystallographica Section A Foundations of Crystallography 58, s1 (2002): c248. http://dx.doi.org/10.1107/s0108767302094928.

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23

AOKI, Katsutoshi. "Hydrogen Bonded Molecular Solid." Review of High Pressure Science and Technology 11, no. 1 (2001): 29–36. http://dx.doi.org/10.4131/jshpreview.11.29.

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24

Liu, Xianming, and Donald E. Shemansky. "Ionization of Molecular Hydrogen." Astrophysical Journal 614, no. 2 (2004): 1132–42. http://dx.doi.org/10.1086/423890.

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25

Vorob'ev, V. S., and S. P. Malyshenko. "Regarding molecular superfluid hydrogen." Journal of Physics: Condensed Matter 12, no. 24 (2000): 5071–85. http://dx.doi.org/10.1088/0953-8984/12/24/301.

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26

Shull, J. Michael. "Observing interstellar molecular hydrogen." Physics Today 75, no. 12 (2022): 12. http://dx.doi.org/10.1063/pt.3.5132.

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27

Li, Rui, Min-Rui Tai, Xian-Ni Su, et al. "Insights into the Mechanism Underpinning Composite Molecular Docking During the Self-Assembly of Fucoidan Biopolymers with Peptide Nanofibrils." Marine Drugs 23, no. 4 (2025): 169. https://doi.org/10.3390/md23040169.

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Composite hydrogels with improved mechanical and chemical properties can be formed by non-covalently decorating the nanofibrillar structures formed by the self-assembly of peptides with fucoidan. Nevertheless, the precise interactions, and the electrochemical and thermodynamic stability of these composite materials have not been determined. Here, we present a thermodynamic analysis of the interacting forces that drive the formation of a composite fucoidan/9-fluorenylmethoxycarbonyl-phenylalanine-arginine-glycine-aspartic acid-phenylalanine (Fmoc-FRGDF) hydrogel. The results showed that the co-

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28

Chen, Yifan, Weixuan Huang, Yang Chen, Minqian Wu, Ruohan Jia, and Lijun You. "Influence of Molecular Weight of Polysaccharides from Laminaria japonica to LJP-Based Hydrogels: Anti-Inflammatory Activity in the Wound Healing Process." Molecules 27, no. 20 (2022): 6915. http://dx.doi.org/10.3390/molecules27206915.

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In this study, polysaccharides from Laminaria japonica (LJP) were produced by the treatment of ultraviolet/hydrogen peroxide (UV/H2O2) degradation into different molecular weights. Then, the degraded LJP were used to prepare LJP/chitosan/PVA hydrogel wound dressings. As the molecular weight of LJP decreased from 315 kDa to 20 kDa, the swelling ratio of the LJP-based hydrogels rose from 14.38 ± 0.60 to 20.47 ± 0.42 folds of the original weight. However, the mechanical properties of LJP-based hydrogels slightly decreased. With the extension of the UV/H2O2 degradation time, the molecular weight o

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29

OKUCHI, Takuo. "Fast Diffusion of Molecular Hydrogen in Hydrogen Hydrates." Review of High Pressure Science and Technology 19, no. 3 (2009): 210–16. http://dx.doi.org/10.4131/jshpreview.19.210.

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30

Wei, Qinghua, Yingfeng Zhang, Yanen Wang, et al. "Study of the effects of water content and temperature on polyacrylamide/polyvinyl alcohol interpenetrating network hydrogel performance by a molecular dynamics method." e-Polymers 15, no. 5 (2015): 301–9. http://dx.doi.org/10.1515/epoly-2015-0087.

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AbstractAn investigation of the molecular interaction within a hydrogel system was conducted using molecular dynamics simulation, and the interaction mechanism of a polyacrylamide/polyvinyl alcohol (PAM/PVA) hydrogel system was examined specifically at the molecular level. Several characteristics of the PAM/PVA composite hydrogel system that are largely dependent on water content and temperature were studied in this paper, such as cohesive energy density, binding energy, mechanical properties and pair correlation function. The cohesive energy density and binding energy of the hydrogel system i

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31

Agusnar, Harry. "Comparison Study of Fabrication and Characterization of Bead Chitosan Hydrogel and Yarn Chitosan Hydrogel From High Molecular Chitosan." Journal of Chemical Natural Resources 2, no. 2 (2022): 150–55. http://dx.doi.org/10.32734/jcnar.v2i2.9328.

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The research about comparison study of fabrication and characterization of bead chitosan hydrogel and yarn chitosan hydrogel from high molecular chitosan has been successfully conducted. High molecular chitosan was dissolved into 100 ml of 1, 1.5, and 2% of acetic acid and stirred until the chitosan was dissolved completely. The formed chitosan solution was then taken as much as 6 mL using a syringe and dropped slowly to form small beads into a Petri dish containing NaOH 0.3 M then string into a Petri dish containing acetone 1% and dried at ±50ºC. The bead chitosan hydrogel and yarn chitosan h

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32

Miller, William H., and John Z. H. Zhang. "How to observe the elusive resonances in hydrogen atom or deuterium atom + molecular hydrogen .fwdarw. molecular hydrogen or hydrogen deuteride + hydrogen atom reactive scattering." Journal of Physical Chemistry 95, no. 1 (1991): 12–19. http://dx.doi.org/10.1021/j100154a007.

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33

Zhang, Meng, Karen C. Waldron, and X. X. Zhu. "Formation of molecular hydrogels from a bile acid derivative and selected carboxylic acids." RSC Advances 6, no. 42 (2016): 35436–40. http://dx.doi.org/10.1039/c6ra04536g.

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34

Perveen, Ishrat, Bakhtawar Bukhari, Mahwish Najeeb, et al. "Hydrogen Therapy and Its Future Prospects for Ameliorating COVID-19: Clinical Applications, Efficacy, and Modality." Biomedicines 11, no. 7 (2023): 1892. http://dx.doi.org/10.3390/biomedicines11071892.

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Molecular hydrogen is renowned as an odorless and colorless gas. The recommendations developed by China suggest that the inhalation of hydrogen molecules is currently advised in COVID-19 pneumonia treatment. The therapeutic effects of molecular hydrogens have been confirmed after numerous clinical trials and animal-model-based experiments, which have expounded that the low molecular weight of hydrogen enables it to easily diffuse and permeate through the cell membranes to produce a variety of biological impacts. A wide range of both chronic and acute inflammatory diseases, which may include se

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35

Toh, Pek-Lan, Syed Amir Abbas Shah Naqvi, Suh-Miin Wang, and Yao-Cong Lim. "PRISTINE AND GROUP IV DOPED BORON NITRIDE SINGLE-WALL NANOTUBES FOR HYDROGEN STORAGE: A DENSITY FUNCTIONAL THEORY COMPUTATIONAL INVESTIGATION." Jurnal Teknologi 84, no. 6 (2022): 147–56. http://dx.doi.org/10.11113/jurnalteknologi.v84.18668.

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In this report, a density functional theory (DFT) computational approach was used to investigate the structural and electronic properties of molecular hydrogens adsorbed on single-walled boron nitride nanotubes (BNNTs) with/without doped by group IV elements, such as carbon (C), silicon (Si), and germanium (Ge) atom. The twelve hydrogen molecules (H2) were added to the outer surfaces of BNNT frameworks. Geometry optimization calculations were performed to find the local energy minima of the BNNTs nanostructures with the molecular hydrogens at the DFT/B3LYP/6-31G level of theory. By employing s

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36

Skopinska-Wisniewska, Joanna, Silvia De la Flor, and Justyna Kozlowska. "From Supramolecular Hydrogels to Multifunctional Carriers for Biologically Active Substances." International Journal of Molecular Sciences 22, no. 14 (2021): 7402. http://dx.doi.org/10.3390/ijms22147402.

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Supramolecular hydrogels are 3D, elastic, water-swelled materials that are held together by reversible, non-covalent interactions, such as hydrogen bonds, hydrophobic, ionic, host–guest interactions, and metal–ligand coordination. These interactions determine the hydrogels’ unique properties: mechanical strength; stretchability; injectability; ability to self-heal; shear-thinning; and sensitivity to stimuli, e.g., pH, temperature, the presence of ions, and other chemical substances. For this reason, supramolecular hydrogels have attracted considerable attention as carriers for active substance

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37

Aoki, K., E. Katoh, H. Yamawaki, M. Sakashita, and H. Fujihisa. "Hydrogen-bond symmetrization and molecular dissociation in hydrogen halids." Physica B: Condensed Matter 265, no. 1-4 (1999): 83–86. http://dx.doi.org/10.1016/s0921-4526(98)01327-1.

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38

Parhi, B. R., S. K. Sahoo, S. C. Mishra, B. Bhoi, R. K. Paramguru, and B. K. Satapathy. "Upgradation of bauxite by molecular hydrogen and hydrogen plasma." International Journal of Minerals, Metallurgy, and Materials 23, no. 10 (2016): 1141–49. http://dx.doi.org/10.1007/s12613-016-1333-x.

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39

Zarechnaya, O. M., and V. A. Mikhailov. "Intramolecular noncovalent interactions in bis-imidazolium dications with short aliphatic spacers." Журнал общей химии 93, no. 6 (2023): 840–57. http://dx.doi.org/10.31857/s0044460x23060033.

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Stretched all-trans conformations were found preferable in computed structures of bis-imidazolium dications with short aliphatic (С1-С4) and hydroxyl substituted -СН2-СНОН-СН2- spacers. Maxima of molecular electrostatic potential were established near С2Н imidazolium and spacer hydrogens, for α,ω-alkenyl spacers, and close to hydroxyl hydrogen for hydroxypropane spacer. Sufficiently higher rotational barrier around С1-C2 bond in -СН2-СНОН-СН2- spacer compared with polymethylene is supported with intramolecular hydrogen bonds С-Н···О-Н between imidazolium hydrogens and hydroxyl oxygen.

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40

Pokotylo, Oleg, Ivan Zakharchuk, and Borys Vykhovanets. "STATE AND PROSPECTS USING MOLECULAR HYDROGEN FOR ATHLETES." Sports Bulletin of the Dnieper 1 (2020): 443–50. http://dx.doi.org/10.32540/2071-1476-2019-1-443.

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Introduction. The study of molecular hydrogen as the latest therapeutic and prophylactic corrector of metabolism has been successfully tested on more than 170 models of pathological conditions. Its effective antioxidant, cytoprotective, anti-inflammatory effect on the body has been proven. Separate studies of the effects of molecular hydrogen have been conducted on athletes. The aim of the study - to investigate the level of research and efficiency of using molecular hydrogen in sports medicine and to predict the algorithm of its further research and practical use. Research Methods: Analysis,

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41

Hancock, John T., and Grace Russell. "Downstream Signalling from Molecular Hydrogen." Plants 10, no. 2 (2021): 367. http://dx.doi.org/10.3390/plants10020367.

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Molecular hydrogen (H2) is now considered part of the suite of small molecules that can control cellular activity. As such, H2 has been suggested to be used in the therapy of diseases in humans and in plant science to enhance the growth and productivity of plants. Treatments of plants may involve the creation of hydrogen-rich water (HRW), which can then be applied to the foliage or roots systems of the plants. However, the molecular action of H2 remains elusive. It has been suggested that the presence of H2 may act as an antioxidant or on the antioxidant capacity of cells, perhaps through the

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42

Galuskin, Evgeny, Irina Galuskina, Yevgeny Vapnik, and Mikhail Murashko. "Molecular Hydrogen in Natural Mayenite." Minerals 10, no. 6 (2020): 560. http://dx.doi.org/10.3390/min10060560.

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In the last 15 years, zeolite-like mayenite, Ca12Al14O33, has attracted significant attention in material science for its variety of potential applications and for its simple composition. Hydrogen plays a key role in processes of electride material synthesis from pristine mayenite: {Ca12Al14O32}2+(O2) → {Ca12Al14O32}2+(e−)2. A presence of molecular hydrogen in synthetic mayenite was not confirmed by the direct methods. Spectroscopy investigations of mayenite group mineral fluorkyuygenite, with empirical formula (Ca12.09Na0.03)∑12.12(Al13.67Si0.12Fe3+0.07Ti4+0.01)∑12.87O31.96 [F2.02Cl0.02(H2O)3

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43

Peterson, I. "Squeezing Hydrogen to Molecular Metal." Science News 137, no. 11 (1990): 164. http://dx.doi.org/10.2307/3974564.

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44

Razhev, Aleksandr, Dmitriy Churkin, and Alexey Zavyalov. "Pulsed Inductive Molecular Hydrogen Laser." Siberian Journal of Physics 4, no. 3 (2009): 12–19. http://dx.doi.org/10.54362/1818-7919-2009-4-3-12-19.

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A pulsed inductive discharge molecular H2 laser has been created for the first time. The excitation system of a toroidal pulsed inductive discharge for molecular hydrogen electron levels excitation was developed. Generation at two wavelengths of 0,89 and 1,12 m was obtained. The spectral, temporal and energy parameters of laser emission under various pressures and pumping conditions were investigated. The maximum pulse power of 6,7 kW was achieved. The measured pulse duration was 18 ± 1 ns. In the cross-section, the laser radiation had the ring shape with an external diameter of 33 mm and thic

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45

Mao, W., and H. Mao. "Hydrogen storage in molecular compounds." Acta Crystallographica Section A Foundations of Crystallography 61, a1 (2005): c63. http://dx.doi.org/10.1107/s010876730509731x.

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46

Puxley, P. J., T. G. Hawarden, and C. M. Mountain. "Fluorescent molecular hydrogen in galaxies." Monthly Notices of the Royal Astronomical Society 234, no. 1 (1988): 29P—40P. http://dx.doi.org/10.1093/mnras/234.1.29p.

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47

Zhao, Xiao-Li, Ke Yang, Long-Quan Xu, et al. "Compton profile of molecular hydrogen." Chinese Physics B 24, no. 3 (2015): 033301. http://dx.doi.org/10.1088/1674-1056/24/3/033301.

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48

Sadeghpour, H. R., and A. Dalgarno. "Double photoionization of molecular hydrogen." Physical Review A 47, no. 4 (1993): R2458—R2459. http://dx.doi.org/10.1103/physreva.47.r2458.

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49

Chabal, Y. J., and C. K. N. Patel. "Molecular hydrogen ina-Si: H." Reviews of Modern Physics 59, no. 4 (1987): 835–44. http://dx.doi.org/10.1103/revmodphys.59.835.

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50

Schwarzschild, Bertram M. "Negative ions of molecular hydrogen." Physics Today 64, no. 12 (2011): 23. http://dx.doi.org/10.1063/pt.3.1351.

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