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Journal articles on the topic 'Mediated oxidation'

Author: Grafiati

Published: 8 June 2024

Last updated: 31 July 2025

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1

Francioso, Antonio, Alessia Baseggio Conrado, Carla Blarzino та ін. "One- and Two-Electron Oxidations of β-Amyloid25-35 by Carbonate Radical Anion (CO3•−) and Peroxymonocarbonate (HCO4−): Role of Sulfur in Radical Reactions and Peptide Aggregation". Molecules 25, № 4 (2020): 961. http://dx.doi.org/10.3390/molecules25040961.

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The β-amyloid (Aβ) peptide plays a key role in the pathogenesis of Alzheimer’s disease. The methionine (Met) residue at position 35 in Aβ C-terminal domain is critical for neurotoxicity, aggregation, and free radical formation initiated by the peptide. The role of Met in modulating toxicological properties of Aβ most likely involves an oxidative event at the sulfur atom. We therefore investigated the one- or two-electron oxidation of the Met residue of Aβ25-35 fragment and the effect of such oxidation on the behavior of the peptide. Bicarbonate promotes two-electron oxidations mediated by hydr

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Nurgaziyeva, E. K., G. S. Tatykhanova, G. A. Mun, V. V. Khutoryanskiy, and S. E. Kudaibergenov. "Oxidation of Cyclohexane Mediated with Gel-Immobilized Gold Nanoparticles." International Journal of Biology and Chemistry 8, no. 1 (2015): 61–66. http://dx.doi.org/10.26577/2218-7979-2015-8-1-61-66.

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3

Clemens, Dahn L., Carol A. Casey, Michael F. Sorrell, and Dean J. Tuma. "Ethanol Oxidation Mediates Impaired Hepatic Receptor-Mediated Enocytosis." Alcoholism: Clinical and Experimental Research 22, no. 4 (1998): 778–79. http://dx.doi.org/10.1111/j.1530-0277.1998.tb03866.x.

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4

Rice-Evans, C., and E. Baysal. "Iron-mediated oxidative stress in erythrocytes." Biochemical Journal 244, no. 1 (1987): 191–96. http://dx.doi.org/10.1042/bj2440191.

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Erythrocytes subjected extracellularly to iron-mediated oxidant stress undergo haemoglobin oxidation and membrane damage, which can be modulated by maintaining the energy requirements of the cells. The results presented here suggest that a balance exists between the oxidation state of the haemoglobin and the oxidative deterioration of the membrane lipids, which is dependent on the metabolic state of the erythrocytes. These findings have important implications for thalassaemic erythrocytes that may be exposed to excess plasma iron levels, in which excessive membrane-bound iron in the form of ha

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5

Faisal, Muhammad, Mukhtiar Ahmed, Sarwat Hussain, Fayaz Ali Larik, and Aamer Saeed. "Investigating the effectiveness of classical and eco-friendly approaches for synthesis of dialdehydes from organic dihalides." Green Processing and Synthesis 8, no. 1 (2019): 635–48. http://dx.doi.org/10.1515/gps-2019-0034.

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Abstract Monoaldehydes and dialdehydes are parts of millions of compounds and are extremely versatile intermediates. For the synthesis of monoaldehydes, one impressive approach to date, because of its excellent selectivity, high yield and stability towards over-oxidation and over-reduction, is the oxidation of organic monohalides. Numerous monohalides oxidation based methodologies to afford monoaldehydes are disclosed in literature. In this research work, twelve well-known approaches (well-documented for synthesis of monoaldehydes from monohalides) are investigated for their effectiveness towa

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6

Hu, Jianan, Yun Huang, Minru Xiong, Shafei Luo, Yong Chen, and Yuanjian Li. "The Effects of Natural Flavonoids on Lipoxygenase-Mediated Oxidation of Compounds with a Benzene Ring Structure—A New Possible Mechanism of Flavonoid Anti-Chemical Carcinogenesis and Other Toxicities." International Journal of Toxicology 25, no. 4 (2006): 295–301. http://dx.doi.org/10.1080/10915810600746122.

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Numerous studies have strongly suggested that flavonoids exhibit antimutagenic, anticarcinogenic, antiallergic, and anti-inflammatory properties, but the mechanism is still far from clear. In this study, the effect of natural flavonoid compounds, such as green tea polyphenol, epigallocatechin gallate, quercetin, and rutin on lipoxygenase-mediated co-oxidation of guaiacol, benzidine, paraphenylenediamine, and dimethoxybenzidine was investigated. Green tea polyphenol, epigallocatechin gallate, quercetin, and rutin can reduce the co-oxidation reaction speed of tested compounds mediated by soybean

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7

Sequeira, C. A. C., D. M. F. Santos, and P. S. D. Brito. "Mediated and non-mediated electrochemical oxidation of isopropanol." Applied Surface Science 252, no. 17 (2006): 6093–96. http://dx.doi.org/10.1016/j.apsusc.2005.11.028.

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8

Miller, D. G., and D. D. M. Wayner. "Electrode-mediated Wacker oxidation of cyclic and internal olefins." Canadian Journal of Chemistry 70, no. 9 (1992): 2485–90. http://dx.doi.org/10.1139/v92-314.

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An improved method for the electrode-mediated oxidations of olefins by palladium(II) is described. Current efficiencies from 80% to 95% were obtained in oxidations of 1-decene, styrene, trans-2-octene, and cyclohexene in which perchloric acid was added to a chloride-free solution of a palladium(II) acetate catalyst. The palladium(0) was reoxidized to palladium(II) by reaction with catalytic amounts of benzoquinone, which was, in turn, regenerated by anodic oxidation. Addition of varying amounts of perchloric acid did not affect the current efficiency but accelerated the oxidation reaction, up

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9

Tribble, Diane L., Berbie M. Chu, Gerri A. Levine, Ronald M. Krauss, and Elaine L. Gong. "Selective Resistance of LDL Core Lipids to Iron-Mediated Oxidation." Arteriosclerosis, Thrombosis, and Vascular Biology 16, no. 12 (1996): 1580–87. http://dx.doi.org/10.1161/01.atv.16.12.1580.

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Although the nature and consequences of oxidative changes in the chemical constituents of low density lipoproteins (LDLs) have been extensively examined, the physical dynamics of LDL oxidation and the influence of physical organization on the biological effects of oxidized LDLs have remained relatively unexplored. To address these issues, in the present studies we monitored surface- and core-specific peroxidative stress relative to temporal changes in conjugated dienes (CDs), particle charge (an index of oxidative protein modification), and LDL-macrophage interactions. Peroxidative stress in L

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10

Luna, Carolina, and Mario Estévez. "Oxidative damage to food and human serum proteins: Radical-mediated oxidation vs. glyco-oxidation." Food Chemistry 267 (November 2018): 111–18. http://dx.doi.org/10.1016/j.foodchem.2017.06.154.

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11

Sang, Shengmin, Chung S. Yang, and Chi-Tang Ho. "Peroxidase-mediated oxidation of catechins." Phytochemistry Reviews 3, no. 1-2 (2004): 229–41. http://dx.doi.org/10.1023/b:phyt.0000047794.45076.7c.

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12

Schaefer, Kathryn N., and Jacqueline K. Barton. "DNA-Mediated Oxidation of p53." Biochemistry 53, no. 21 (2014): 3467–75. http://dx.doi.org/10.1021/bi5003184.

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13

Shoeb, H. A., B. U. Bowman, A. C. Ottolenghi, and A. J. Merola. "Peroxidase-mediated oxidation of isoniazid." Antimicrobial Agents and Chemotherapy 27, no. 3 (1985): 399–403. http://dx.doi.org/10.1128/aac.27.3.399.

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14

Ncanana, Sandile, Lara Baratto, Lucia Roncaglia, Sergio Riva, and Stephanie G. Burton. "Laccase-Mediated Oxidation of Totarol." Advanced Synthesis & Catalysis 349, no. 8-9 (2007): 1507–13. http://dx.doi.org/10.1002/adsc.200700005.

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15

Niki, E. "Antioxidants and atherosclerosis." Biochemical Society Transactions 32, no. 1 (2004): 156–59. http://dx.doi.org/10.1042/bst0320156.

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The oxidative modification of low-density lipoprotein (LDL) can be induced by various active species by different mechanisms. Vitamin E and other radical-scavenging antioxidants can inhibit the free radical-mediated oxidation of LDL, but they are not effective against LDL oxidation induced by non-radical mechanisms.

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16

Nandi, Jyoti, John M. Ovian, Christopher B. Kelly, and Nicholas E. Leadbeater. "Oxidative functionalisation of alcohols and aldehydes via the merger of oxoammonium cations and photoredox catalysis." Organic & Biomolecular Chemistry 15, no. 39 (2017): 8295–301. http://dx.doi.org/10.1039/c7ob02243c.

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17

Beeler, Joshua A., and Henry S. White. "Reductive Electrosynthesis Initiated By Mediated Oxalate Oxidation." ECS Meeting Abstracts MA2024-02, no. 53 (2024): 3639. https://doi.org/10.1149/ma2024-02533639mtgabs.

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Reductive electrosynthesis often requires large negative potentials, air-sensitive electrocatalysts, precious metal electrode surfaces, dry solvent, and/or a sacrificial anode. As a result, electroorganic reduction reactions remain relatively underdeveloped compared to oxidative electroorganic methods. This work introduces a novel reductive electrosynthetic method, wherein the mediated oxidation of oxalate (C2O4 2–) at a carbon electrode facilitates the homogeneous reduction of aryl halides. Specifically, the homogeneous oxidation of C2O4 2– in mixed organic/aqueous solutions by electrochemica

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18

Lo, Sheng-Nan, Chien-Chang Shen, Chia-Yu Chang, et al. "The Effect of Oxidation on Berberine-Mediated CYP1 Inhibition: Oxidation Behavior and Metabolite-Mediated Inhibition." Drug Metabolism and Disposition 43, no. 7 (2015): 1100–1107. http://dx.doi.org/10.1124/dmd.115.063966.

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19

Biswas, Swapan Kumar, and Titas Biswas. "Metal-free one-pot oxidative conversion: Molecular Iodine Mediated Oxidation Organic Reactions." International Journal of Experimental Research and Review 27 (April 30, 2022): 45–52. http://dx.doi.org/10.52756/ijerr.2022.v27.005.

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Various oxidative compounds such as aldehyde, ketone ester, and acids can be produced in large yields by an effective iodine-mediated oxidative reaction of organic molecules. Molecular iodine is a generally available and commercially extremely inexpensive substance that induces oxidative esterification. With the comparison with different Brønsted acid catalysis, molecular iodine or iodophilic activations proceed the reaction onto a deoxygenation pathway. With only a few mol% of I2, the oxidation occurs very quickly at room temperature. This approach could also be used to transport different be

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20

Jessup, W., V. Darley-Usmar, V. O'Leary, and S. Bedwell. "5-Lipoxygenase is not essential in macrophage-mediated oxidation of low-density lipoprotein." Biochemical Journal 278, no. 1 (1991): 163–69. http://dx.doi.org/10.1042/bj2780163.

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The concentration-dependent effects of a series of lipoxygenase inhibitors and antioxidants on the macrophage-mediated oxidative modification of low-density lipoprotein (LDL) were measured. Their influence on macrophage 5-lipoxygenase pathway activity was also studied over the same concentration range. No correlation between inhibition of 5-lipoxygenase and of macrophage-mediated oxidation of LDL was observed. The capacity of the compounds to prevent cell-mediated modification of LDL could be explained in terms of their activity as either aqueous- or lipid-peroxyl radical scavengers. Two poten

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21

Hirao, Toshikazu. "Selective synthetic methods using vanadium-mediated redox reactions." Pure and Applied Chemistry 77, no. 9 (2005): 1539–57. http://dx.doi.org/10.1351/pac200577091539.

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Oxovanadium(V) compounds serve as Lewis acids with oxidation capability and induce one-electron oxidative transformations of organosilicons, organotins, organoaluminums, organoborons, organozincs, and/or their ate complexes. Low-valent vanadium-catalyzed stereoselective reductive transformations, including dehalogenation, pinacol coupling, and the related radical reaction, have been developed by constructing a multicomponent redox system in combination with a coreductant and an additive.

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22

Zhang, Weiran, Ranwei Zhong, Xiangping Qu, Yang Xiang, and Ming Ji. "Effect of 8-Hydroxyguanine DNA Glycosylase 1 on the Function of Immune Cells." Antioxidants 12, no. 6 (2023): 1300. http://dx.doi.org/10.3390/antiox12061300.

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Excess reactive oxygen species (ROS) can cause an imbalance between oxidation and anti-oxidation, leading to the occurrence of oxidative stress in the body. The most common product of ROS-induced base damage is 8-hydroxyguanine (8-oxoG). Failure to promptly remove 8-oxoG often causes mutations during DNA replication. 8-oxoG is cleared from cells by the 8-oxoG DNA glycosylase 1 (OGG1)-mediated oxidative damage base excision repair pathway so as to prevent cells from suffering dysfunction due to oxidative stress. Physiological immune homeostasis and, in particular, immune cell function are vulne

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23

Cathcart, M. K., A. K. McNally, D. W. Morel, and G. M. Chisolm. "Superoxide anion participation in human monocyte-mediated oxidation of low-density lipoprotein and conversion of low-density lipoprotein to a cytotoxin." Journal of Immunology 142, no. 6 (1989): 1963–69. http://dx.doi.org/10.4049/jimmunol.142.6.1963.

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Abstract Human monocytes, upon activation with opsonized zymosan, altered low-density lipoprotein (LDL) during a 24-h co-incubation, resulting in its oxidation and acquisition of cytotoxic activity against target fibroblast cell lines. Both the oxidation of LDL and its conversion to a cytotoxin were enhanced with time of incubation, with the most substantial changes occurring after 6 h of culture of LDL with activated monocytes. Unactivated monocytes did not mediate either alteration. Superoxide anion (O2-) participated in both the oxidation of LDL and its conversion to a cytotoxin since addit

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24

Wu, Youxian, Baolin Deng, Huifang Xu, and Hiromi Kornishi. "Chromium(III) Oxidation Coupled with Microbially Mediated Mn(II) Oxidation." Geomicrobiology Journal 22, no. 3-4 (2005): 161–70. http://dx.doi.org/10.1080/01490450590945997.

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25

Coelho, Romina, Chiara A. De Benedictis, Ann Katrin Sauer та ін. "Secondary Modification of S100B Influences Anti Amyloid-β Aggregation Activity and Alzheimer’s Disease Pathology". International Journal of Molecular Sciences 25, № 3 (2024): 1787. http://dx.doi.org/10.3390/ijms25031787.

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Proteinaceous aggregates accumulate in neurodegenerative diseases such as Alzheimer’s Disease (AD), inducing cellular defense mechanisms and altering the redox status. S100 pro-inflammatory cytokines, particularly S100B, are activated during AD, but recent findings reveal an unconventional molecular chaperone role for S100B in hindering Aβ aggregation and toxicity. This suggests a potential protective role for S100B at the onset of Aβ proteotoxicity, occurring in a complex biochemical environment prone to oxidative damage. Herein, we report an investigation in which extracellular oxidative con

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26

Liu, Meng Ru, and Hai Long Li. "TEMPO-Mediated Oxidation of Unbleached Bagasse Pulp." Advanced Materials Research 496 (March 2012): 71–74. http://dx.doi.org/10.4028/www.scientific.net/amr.496.71.

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In the paper, unbleached bagasse pulp was oxidized with sodium hypochlorite with catalytic amounts of 2,2,6,6-tetramethylpiperidine-1-oxyl radical (TEMPO) and sodium bromide in water. After the TEMPO-mediated oxidation, the oxidized pulp were collected and characterized in terms of morphology, water retention values, crystallinity and deposition properties. The signiﬁcant changes in morphology were observed before and after the oxidation. Crystallinity of cellulose I was nearly unchanged during the oxidation. Water retention value of pulp can be increased from 68.9% to 70.7% by the TEMPO-media

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27

Amente, Stefano, Luigi Lania, Enrico Vittorio Avvedimento, and Barbara Majello. "DNA oxidation drives Myc mediated transcription." Cell Cycle 9, no. 15 (2010): 3074–76. http://dx.doi.org/10.4161/cc.9.15.12499.

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28

Athawale, Paresh R., Hanuman P. Kalmode, and D. Srinivasa Reddy. "DBU/O2-Mediated Oxidation of Dienones." Journal of Organic Chemistry 86, no. 13 (2021): 9200–9205. http://dx.doi.org/10.1021/acs.joc.1c00529.

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29

Yamamoto, Takahiro, Yasushi Maeda, Seitchi Matsugo, and Hiromi Kitano. "HYDROPEROXYNAPHTHALIMIDE DERIVATIVE-MEDIATED OXIDATION OF LYSOZYME." Photochemistry and Photobiology 62, no. 4 (1995): 680–85. http://dx.doi.org/10.1111/j.1751-1097.1995.tb08716.x.

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30

Bulman Page, Philip, Donald Bethell, Paul Stocks, et al. "Sulfur Oxidation Mediated by Imine Derivatives." Synlett 12, no. 12 (2000): 1355–58. http://dx.doi.org/10.1055/s-1997-1051.

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31

Uyanik, Muhammet, and Kazuaki Ishihara. "Hypervalent iodine-mediated oxidation of alcohols." Chemical Communications, no. 16 (2009): 2086. http://dx.doi.org/10.1039/b823399c.

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32

Bulman Page, Philip C., Jag P. Heer, Donald Bethell, and B. Andrew Lund. "Asymmetric Sulfur Oxidation Mediated by Camphorsulfonylimines." Phosphorus, Sulfur, and Silicon and the Related Elements 153, no. 1 (1999): 247–58. http://dx.doi.org/10.1080/10426509908546438.

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33

Baratto, Lara, Andrea Candido, Mattia Marzorati, Francesca Sagui, Sergio Riva, and Bruno Danieli. "Laccase-mediated oxidation of natural glycosides." Journal of Molecular Catalysis B: Enzymatic 39, no. 1-4 (2006): 3–8. http://dx.doi.org/10.1016/j.molcatb.2006.01.011.

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34

Navarra, Cristina, Candice Goodwin, Stephanie Burton, Bruno Danieli, and Sergio Riva. "Laccase-mediated oxidation of phenolic derivatives." Journal of Molecular Catalysis B: Enzymatic 65, no. 1-4 (2010): 52–57. http://dx.doi.org/10.1016/j.molcatb.2009.12.016.

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35

da Silva Perez, Denilson, Suzelei Montanari, and Michel R. Vignon. "TEMPO-Mediated Oxidation of Cellulose III." Biomacromolecules 4, no. 5 (2003): 1417–25. http://dx.doi.org/10.1021/bm034144s.

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36

Zhang, Xueqin, Jun Xia, Jiaoyang Pu, et al. "Biochar-Mediated Anaerobic Oxidation of Methane." Environmental Science & Technology 53, no. 12 (2019): 6660–68. http://dx.doi.org/10.1021/acs.est.9b01345.

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37

KOOY, N., J. ROYALL, H. ISCHIROPOULOS, and J. BECKMAN. "Peroxynitrite-mediated oxidation of dihydrorhodamine 123." Free Radical Biology and Medicine 16, no. 2 (1994): 149–56. http://dx.doi.org/10.1016/0891-5849(94)90138-4.

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38

Zeller, Klaus-Peter, Meike Kowallik, and Peter Haiss. "The dimethyldioxirane-mediated oxidation of phenylethyne." Organic & Biomolecular Chemistry 3, no. 12 (2005): 2310. http://dx.doi.org/10.1039/b504296h.

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39

Koritzke, Alanna L., Jacob C. Davis, Rebecca L. Caravan, et al. "̇QOOH-mediated reactions in cyclohexene oxidation." Proceedings of the Combustion Institute 37, no. 1 (2019): 323–35. http://dx.doi.org/10.1016/j.proci.2018.05.029.

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40

Rosenfeldt, Erik, Andrew K. Boal, James Springer, et al. "Comparison of UV-mediated Advanced Oxidation." Journal - American Water Works Association 105, no. 7 (2013): 29–33. http://dx.doi.org/10.1002/j.1551-8833.2013.tb08894.x.

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41

Bolm, Carsten, and Oliver Beckmann. "Zirconium-mediated asymmetric Baeyer-Villiger oxidation." Chirality 12, no. 5-6 (2000): 523–25. http://dx.doi.org/10.1002/(sici)1520-636x(2000)12:5/6<523::aid-chir39>3.0.co;2-z.

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42

Hernandez, Janet, Norma R. Robledo, Luis Velasco, Rodolfo Quintero, Michael A. Pickard, and Rafael Vazquez-Duhalt. "Chloroperoxidase-Mediated Oxidation of Organophosphorus Pesticides." Pesticide Biochemistry and Physiology 61, no. 2 (1998): 87–94. http://dx.doi.org/10.1006/pest.1998.2351.

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43

Degendorfer, Georg, Christine Y. Chuang, Hiroaki Kawasaki, et al. "Peroxynitrite-mediated oxidation of plasma fibronectin." Free Radical Biology and Medicine 97 (August 2016): 602–15. http://dx.doi.org/10.1016/j.freeradbiomed.2016.06.013.

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44

Kong, De-Long, Jian-Xun Du, Wei-Ming Chu, Chun-Ying Ma, Jia-Yi Tao, and Wen-Hua Feng. "Ag/Pyridine Co-Mediated Oxidative Arylthiocyanation of Activated Alkenes." Molecules 23, no. 10 (2018): 2727. http://dx.doi.org/10.3390/molecules23102727.

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An efficient Ag/pyridine co-mediated oxidative arylthiocyanation of activated alkenes via radical addition/cyclization cascade process was developed. This reaction could be carried out under mild conditions to provide biologically interesting 3-alkylthiocyanato-2-oxindoles in good to excellent yields. Mechanistic studies suggested a unique NCS• radical addition path and clarified the dual roles of catalytic pyridine as base and crucial ligand to accelerate the oxidation of Ag(I) to Ag(II), which is likely oxidant responsible for the formation of NCS• radical. These mechanistic results may impa

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45

Kiffin, Roberta, Christopher Christian, Erwin Knecht, and Ana Maria Cuervo. "Activation of Chaperone-mediated Autophagy during Oxidative Stress." Molecular Biology of the Cell 15, no. 11 (2004): 4829–40. http://dx.doi.org/10.1091/mbc.e04-06-0477.

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Oxidatively damaged proteins accumulate with age in almost all cell types and tissues. The activity of chaperone-mediated autophagy (CMA), a selective pathway for the degradation of cytosolic proteins in lysosomes, decreases with age. We have analyzed the possible participation of CMA in the removal of oxidized proteins in rat liver and cultured mouse fibroblasts. Added to the fact that CMA substrates, when oxidized, are more efficiently internalized into lysosomes, we have found a constitutive activation of CMA during oxidative stress. Oxidation-induced activation of CMA correlates with highe

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46

de Koning, Charles B., Fatema Jagot, Izak Minnie, Aliyaah Rahman, Songeziwe Ntsimango, and Kennedy J. Ngwira. "Hydrogen-Bonded Xanthones as Potential UV Absorbers: The Synthesis of Xanthones from Bio-Renewable Cardanol Utilizing a Ceric Ammonium Sulfate (CAS)-Mediated Oxidation Reaction." SynOpen 06, no. 01 (2022): 58–66. http://dx.doi.org/10.1055/s-0040-1719903.

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AbstractThe synthesis of hydrogen-bonded xanthones by using biorenewable hydrogenated cardanol (3-pentadecylphenol) is described. Hydrogenated cardanol was initially converted into various hydroxybenzophenones. These benzophenones were converted into xanthones by utilizing an oxidative ceric ammonium sulfate-mediated reaction. A subsequent ruthenium-mediated late-stage oxidation of the xanthones provided hydrogen-bonded xanthones, which displayed good UVA and UVB absorbing properties.

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47

Devkar, Ranjitsinh, Kiran Lagu, Jaymesh Thadani, and Kavita Shirsath. "Cuminum cyminum methanolic extract prevents oxidative modification of low density lipoproteins: Preliminary evidence on its anti-atherosclerotic potential." Journal of Phytopharmacology 7, no. 1 (2018): 79–83. http://dx.doi.org/10.31254/phyto.2018.7116.

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The significance of oxidative modification of LDL in the pathogenesis of atherosclerosis and the lack of efficient treatment intervention has led researchers to develop an effective therapy based on natural antioxidants. The present study provides preliminary evidence in support of the anti-atherosclerotic potential of methanolic extract of Cuminum cyminum L. (CC). We found that CC inhibited Cu2+ -mediated LDL oxidation as demonstrated by the ex vivo LDL oxidation kinetic study, the LDL oxidation products (malondialdehyde, lipid hydroperoxide and protein carbonyl), and ApoB fragmentation assay

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48

Zierath, J. R., L. A. Nolte, E. Wahlström, et al. "Carrier-mediated fructose uptake significantly contributes to carbohydrate metabolism in human skeletal muscle." Biochemical Journal 311, no. 2 (1995): 517–21. http://dx.doi.org/10.1042/bj3110517.

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To determine whether fructose can be utilized as a metabolic substrate for skeletal muscle in man, we investigated its incorporation into glycogen, its oxidation and lactate production in isolated human skeletal muscle. Rates of fructose oxidation and incorporation into glycogen increased in the presence of increasing fructose concentrations (0.1-1.0 mM). Lactate production increased 3-fold when extracellular fructose was increased from 0.1 to 0.5 mM. Cytochalasin B, a competitive inhibitor of hexose transport mediated by the GLUT1 and GLUT4 facilitative glucose transporters, completely inhibi

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49

Pattar, Simranjit S., Vishnu Vasanthan, Guoqi Teng, et al. "Dye-Mediated Photo-Oxidation Biomaterial Fixation: Analysis of Bioinductivity and Mechanical Properties of Bovine Pericardium for Use in Cardiac Surgery." International Journal of Molecular Sciences 22, no. 19 (2021): 10768. http://dx.doi.org/10.3390/ijms221910768.

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Extracellular matrix bioscaffolds can influence the cardiac microenvironment and modulate endogenous cellular mechanisms. These materials can optimize cardiac surgery for repair and reconstruction. We investigated the biocompatibility and bioinductivity of bovine pericardium fixed via dye-mediated photo-oxidation on human cardiac fibroblast activity. We compared a dye-mediated photo-oxidation fixed bioscaffold to glutaraldehyde-fixed and non-fixed bioscaffolds reported in contemporary literature in cardiac surgery. Human cardiac fibroblasts from consenting patients were seeded on to bioscaffol

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50

Sultana, Nazmun, Ulrica Edlund, Chandan Guria, and Gunnar Westman. "Kinetics of Periodate-Mediated Oxidation of Cellulose." Polymers 16, no. 3 (2024): 381. http://dx.doi.org/10.3390/polym16030381.

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Abstract:

The oxidation of cellulose to dialdehyde cellulose (DAC) is a process that has received increased interest during recent years. Herein, kinetic modeling of the reaction with sodium periodate as an oxidizing agent was performed to quantify rate-limiting steps and overall kinetics of the cellulose oxidation reaction. Considering a pseudo-first-order reaction, a general rate expression was derived to elucidate the impact of pH, periodate concentration, and temperature on the oxidation of cellulose and concurrent formation of cellulose degradation products. Experimental concentration profiles were

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