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Journal articles on the topic 'Hydrates transfer Cell'

Author: Grafiati

Published: 6 July 2024

Last updated: 31 July 2025

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1

Herbst-Gervasoni, Corey J., Michael R. Gau, Michael J. Zdilla, and Ann M. Valentine. "Crystal structures of sodium-, lithium-, and ammonium 4,5-dihydroxybenzene-1,3-disulfonate (tiron) hydrates." Acta Crystallographica Section E Crystallographic Communications 74, no. 7 (2018): 918–25. http://dx.doi.org/10.1107/s2056989018008009.

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The solid-state structures of the Na+, Li+, and NH4 + salts of the 4,5-dihydroxybenzene-1,3-disulfonate (tiron) dianion are reported, namely disodium 4,5-dihydroxybenzene-1,3-disulfonate, 2Na+·C6H4O8S2 2−, μ-4,5-dihydroxybenzene-1,3-disulfonato-bis[aqualithium(I)] hemihydrate, [Li2(C6H4O8S2)(H2O)2]·0.5H2O, and diammonium 4,5-dihydroxybenzene-1,3-disulfonate monohydrate, 2NH4 +·C6H4O8S2 2−·H2O. Intermolecular interactions vary with the size of the cation, and the asymmetric unit cell, and the macromolecular features are also affected. The sodium in Na2(tiron) is coordinated in a distorted octah

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2

Smith, Graham, and Urs D. Wermuth. "Proton-transfer compounds featuring the unusual 4-arsonoanilinium cation from the reaction of (4-aminophenyl)arsonic acid with strong organic acids." Zeitschrift für Kristallographie - Crystalline Materials 233, no. 2 (2018): 145–51. http://dx.doi.org/10.1515/zkri-2017-2087.

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AbstractThe crystal structures of the 1:1 proton-transfer compounds of (4-aminophenyl)arsonic acid (p-arsanilic acid) with the strong organic acids, 2,4,6-trinitrophenol (picric acid), 3,5-dinitrosalicylic acid, (3-carboxy-4-hydroxy)benzenesulfonic acid (5-sulfosalicylic acid) and toluene-4-sulfonic acid have been determined at 200 K and their hydrogen–bonding patterns examined. The compounds are, respectively, anhydrous 4-arsonoanilinium 2,4,6-trinitrophenolate (1), the hydrate 4-arsonoanilinium 2-carboxy-4,6-dinitrophenolate monohydrate (2), the hydrate 4-arsonoanilinium (3-carboxy-4-hydroxy

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3

Sun, Hong, Mingfu Yu, Zhijie Li, and Saif Almheiri. "A Molecular Dynamic Simulation of Hydrated Proton Transfer in Perfluorosulfonate Ionomer Membranes (Nafion 117)." Journal of Chemistry 2015 (2015): 1–10. http://dx.doi.org/10.1155/2015/169680.

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A molecular dynamic model based on Lennard-Jones Potential, the interaction force between two particles, molecular diffusion, and radial distribution function (RDF) is presented. The diffusion of the hydrated ion, triggered by both Grotthuss and vehicle mechanisms, is used to study the proton transfer in Nafion 117. The hydrated ion transfer mechanisms and the effects of the temperature, the water content in the membrane, and the electric field on the diffusion of the hydrated ion are analyzed. The molecular dynamic simulation results are in good agreement with those reported in the literature

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Fukumoto, Ayako, Toru Sato, Fumio Kiyono, and Shinichiro Hirabayashi. "Estimation of the Formation Rate Constant of Methane Hydrate in Porous Media." SPE Journal 19, no. 02 (2013): 184–90. http://dx.doi.org/10.2118/163097-pa.

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Summary Hydrate formation and the relevant mass and heat transfers were numerically analyzed in a microscopic computational domain in which spherical glass beads, water, and methane gas were distributed separately. A hydrate-formation experiment was also carried out by use of a cylindrical pressure cell. The temperature in the cell was controlled by Peltier devices, which were attached to the outer walls of the cell to imitate the adiabatic boundary condition present in the numerical simulation. By history matching between the experiment and calculation, we first obtained a hydrate-formation r

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5

Stoporev, Andrey, Rail Kadyrov, Tatyana Adamova, et al. "Three-Dimensional-Printed Polymeric Cores for Methane Hydrate Enhanced Growth." Polymers 15, no. 10 (2023): 2312. http://dx.doi.org/10.3390/polym15102312.

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Polymeric models of the core prepared with a Raise3D Pro2 3D printer were employed for methane hydrate formation. Polylactic acid (PLA), acrylonitrile butadiene styrene (ABS), carbon fiber reinforced (UltraX), thermoplastic polyurethane (PolyFlex), and polycarbonate (ePC) were used for printing. Each plastic core was rescanned using X-ray tomography to identify the effective porosity volumes. It was revealed that the polymer type matters in enhancing methane hydrate formation. All polymer cores except PolyFlex promoted the hydrate growth (up to complete water-to-hydrate conversion with PLA cor

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6

Hirota, Yuki, Taiki Tominaga, Takashi Kawabata, Yukinobu Kawakita, and Yasumitsu Matsuo. "Differences in Water Dynamics between the Hydrated Chitin and Hydrated Chitosan Determined by Quasi-Elastic Neutron Scattering." Bioengineering 10, no. 5 (2023): 622. http://dx.doi.org/10.3390/bioengineering10050622.

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Recently, it was reported that chitin and chitosan exhibited high-proton conductivity and function as an electrolyte in fuel cells. In particular, it is noteworthy that proton conductivity in the hydrated chitin becomes 30 times higher than that in the hydrated chitosan. Since higher proton conductivity is necessary for the fuel cell electrolyte, it is significantly important to clarify the key factor for the realization of higher proton conduction from a microscopic viewpoint for the future development of fuel cells. Therefore, we have measured proton dynamics in the hydrated chitin using qua

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7

Apkarian, Robert P., Stephen Lee, and Jason Keiper. "Refining Equipment for High Resolution in-Lens Cryo-Sem." Microscopy and Microanalysis 4, S2 (1998): 258–59. http://dx.doi.org/10.1017/s1431927600021413.

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Advanced metal coating methods have greatly improved the localization of secondary electrons (SEI) from biological specimens staged in an in-lens field emission SEM. Using these metal coatings, molecular level structural information from cell membranes and isolated bio-molecules have been more accurately recorded from frozen-hydrated samples due to the presence of bound water rather than from chemically fixed and dried samples. Although in-lens cryo-SEM systems have provided images with equivalent resolution to TEM-replicas, several conditions are encountered which require optimizing technique

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GLASHEEN, J. S., and STEVEN C. HAND. "Anhydrobiosis in Embryos of the Brine Shrimp Artemia: Characterization of Metabolic Arrest During Reductions in Cell-Associated Water." Journal of Experimental Biology 135, no. 1 (1988): 363–80. http://dx.doi.org/10.1242/jeb.135.1.363.

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Upon entry into the state of anhydrobiosis, trehalose-based energy metabolism is arrested in Artemia embryos (cysts). We have compared changes in the levels of trehalose, glycogen, some glycolytic intermediates and adenylate nucleotides in hydrated embryos observed under conditions of aerobic development with those occurring after transfer to 50moll−1 NaCl. This treatment is known to reduce cellassociated water into a range previously referred to as the ametabolic domain. The trehalose utilization and glycogen synthesis that occur during development of fully hydrated cysts are both blocked dur

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9

Sterckeman, Thibault. "Soil to plant transfer of cadmium." OCL 32 (2025): 14. https://doi.org/10.1051/ocl/2025015.

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In soil, cadmium (Cd) is mainly adsorbed onto organic matter and iron hydroxides. Due to the difference in transmembrane electrochemical potential, the hydrated ions (Cd2+) present in the soil solution at the nanomolar level penetrate root cells. They hijack nutrient transporters such as those for iron, manganese, and zinc. Cadmium is mostly sequestered in the vacuoles of root cells, but some diffuses towards the vascular bundles, where it is released into the raw sap. It thereby reaches the aerial parts with the sap flow driven by transpiration. Transport proteins allow Cd to be released into

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10

Kawaguchi, Kenji, and Toshiyuki Nohira. "Oxygen Evolution Behavior of Ni-Containing Alloy Electrodes in NaOH–KOH Hydrate Melt." ECS Meeting Abstracts MA2024-02, no. 57 (2024): 3807. https://doi.org/10.1149/ma2024-02573807mtgabs.

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Hydrogen is expected to be the next-generation energy carrier with zero CO2 emissions. Alkaline water electrolysis (AWE) is one of the methods for hydrogen production; however, improving its energy efficiency is a challenge. We are currently developing a highly efficient water electrolysis using hydroxide hydrate melts at 150–200°C [1,2]. Recently, we reported that the overpotential for the hydrogen evolution reaction (HER) and oxygen evolution reaction (OER) at a Ni electrode in a NaOH–KOH hydrate melt at 200°C under atmospheric pressure was significantly reduced compared to a 30 wt% KOH aque

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11

McCully, Margaret E., Martin J. Canny, Cheng X. Huang, Celia Miller, and Frank Brink. "Cryo-scanning electron microscopy (CSEM) in the advancement of functional plant biology: energy dispersive X-ray microanalysis (CEDX) applications." Functional Plant Biology 37, no. 11 (2010): 1011. http://dx.doi.org/10.1071/fp10095.

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The capacity to make measurements of elemental concentrations at the level of single cells by energy dispersive X-ray microanalysis of cryo-fixed, inherently-hydrated plant parts (CEDX) is changing or extending our understanding of many plant functions. We include in this review a wide-ranging catalogue of studies that have used CEDX which provides access to the literature on elements measured, plants and tissues studied, techniques used, level of quantitation and the significant findings. These findings include new perspectives on the following areas: salt tolerance; xylem maturation and solu

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12

Bielefeld, Nikolaj M., Rasmus D. Sørensen, Mikkel Jørgensen, Kristoffer S. Kure, and Torsten Berning. "Operating Proton Exchange Membrane Fuel Cells at a Constant Relative Humidity." ECS Meeting Abstracts MA2022-01, no. 35 (2022): 1435. http://dx.doi.org/10.1149/ma2022-01351435mtgabs.

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Proton exchange membrane fuel cells are currently being commercialized for numerous applications ranging from electric vehicles to stationary applications to miniature type of fuel applications. For the miniature fuel cells, it is desirable to operate at very high current densities in order to maximize the power density. Because at high current densities, the waste heat generation and removal becomes a substantial practical problem, gas diffusion layers (GDL) made out of perforated metals have recently become of interest. Here, a chemical etching process is applied to create uniform holes of e

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13

Neufeld, Edward B., Masaki Sato, Scott M. Gordon, et al. "ApoA-I-Mediated Lipoprotein Remodeling Monitored with a Fluorescent Phospholipid." Biology 8, no. 3 (2019): 53. http://dx.doi.org/10.3390/biology8030053.

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We describe simple, sensitive and robust methods to monitor lipoprotein remodeling and cholesterol and apolipoprotein exchange, using fluorescent Lissamine Rhodamine B head-group tagged phosphatidylethanolamine (*PE) as a lipoprotein reference marker. Fluorescent Bodipy cholesterol (*Chol) and *PE directly incorporated into whole plasma lipoproteins in proportion to lipoprotein cholesterol and phospholipid mass, respectively. *Chol, but not *PE, passively exchanged between isolated plasma lipoproteins. Fluorescent apoA-I (*apoA-I) specifically bound to high-density lipoprotein (HDL) and remode

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14

Yiannikouris, Alexandros, Juha Apajalahti, Hannele Kettunen, et al. "Efficient Aflatoxin B1 Sequestration by Yeast Cell Wall Extract and Hydrated Sodium Calcium Aluminosilicate Evaluated Using a Multimodal In-Vitro and Ex-Vivo Methodology." Toxins 13, no. 1 (2021): 24. http://dx.doi.org/10.3390/toxins13010024.

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In this work, adsorption of the carcinogenic mycotoxin aflatoxin B1 (AFB1) by two sequestrants—a yeast cell wall-based adsorbent (YCW) and a hydrated sodium calcium aluminosilicate (HSCAS)—was studied across four laboratory models: (1) an in vitro model from a reference method was employed to quantify the sorption capabilities of both sequestrants under buffer conditions at two pH values using liquid chromatography with fluorescence detection (LC-FLD); (2) in a second in vitro model, the influence of the upper gastrointestinal environment on the mycotoxin sorption capacity of the same two sequ

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15

Burmistrov, Vladimir A., Lilia Yu Kovalenko, Olga A. Firsova, Elena M. Filonenko, and Yulia A. Lupitskaya. "Ion transport in hydrated compounds based on crystalline polyantimonic acid." Butlerov Communications 62, no. 6 (2020): 80–84. http://dx.doi.org/10.37952/roi-jbc-01/20-62-6-80.

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The present work is devoted to the study of crystalline polyantimonic acid (CPA) structural properties in conditions of ion exchange and heat treatment of its substituted Ag+, H+-forms. According to the obtained data of X-ray diffraction qualitative phase analysis, the compounds analyzed crystallize within the framework of the pyrochlore type structure (space group Fd-3m). For phases being isomorphic to this structural type, it was shown that with an increase in the degree of substitution α, a relative intensity redistribution of the group of reflections with even and odd indices and decrease

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16

Leenders, Frauke, Jacob G. Tesdorpf, Monika Markus, Thomas Engel, Udo Seedorf, and Jerzy Adamski. "Porcine 80-kDa Protein Reveals Intrinsic 17-Hydroxysteroid Dehydrogenase, Fatty Acyl-CoA-hydratase/Dehydrogenase, and Sterol Transfer Activities." Journal of Biological Chemistry 271, no. 10 (1996): 5438–42. http://dx.doi.org/10.1074/jbc.271.10.5438.

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17

Pinkowitz, Ainsley, See Wee Chee, Brent J. Engler, David J. Duquette, and Robert Hull. "An In Situ Transmission Electron Microscopy Study of Localized Corrosion on Aluminum." MRS Advances 1, no. 25 (2016): 1877–82. http://dx.doi.org/10.1557/adv.2016.334.

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ABSTRACTWhile the growth of pits in passive metals exposed to chloride solutions is well understood, the processes associated with the initiation and propagation of stable pits, versus pits that form and apparently re-passivate, are still a matter of conjecture. A major challenge in studying pit initiation using electron microscopy has been alteration of the structure and chemistry of the hydrated corrosion films upon transfer to the vacuum environment of the microscope. A recently developed technique uses a microfluidic liquid cell to maintain the aqueous environment in contact with the sampl

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18

Nguyen, Marina Minh, and Salwa Karboune. "Combinatorial Interactions of Essential Oils Enriched with Individual Polyphenols, Polyphenol Mixes, and Plant Extracts: Multi-Antioxidant Systems." Antioxidants 12, no. 2 (2023): 486. http://dx.doi.org/10.3390/antiox12020486.

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With the aim to develop essential oil (EO) multi-antioxidant systems, combinatorial interactions of selected phenol and terpene-rich EOs (from Pimento Berry, Ceylon Cinnamon, Clove, Sage, White thyme; Oregano) enriched with individual polyphenols, crude plant extracts, and mixtures of their major polyphenols were investigated using single electron transfer (SET)-based DPPH and hydrogen atom transfer (HAT)-based ORAC assays. Polyphenols that enriched Eos the most favorably were rosmarinic acid (IC50 of 0.0891–0.1448 mg enriched EO/mg DPPH; 5772–17,879 µmol TE/g enriched EO) and quercetin (IC50

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19

Lasisi, A. R., A. B. Alabi, B. A. Taleatu, and O. A. Babalola. "Growth and some surface characterization of tin Sulphide (SnS) thin film by two-electrode cell arrangement for photo absorption." Ife Journal of Science 23, no. 2 (2021): 35–42. http://dx.doi.org/10.4314/ijs.v23i2.4.

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This study presented deposition of tin sulphide (SnS) thin film using a two-electrode electrochemical cell arrangement. The bath electrolyte comprised tin sulphate (SnSO4 ), hydrated sodium thiosulphate (Na2S2O3∙5H2O) and sulphuric acid (H2SO4 ). The acid was used to adjust the pH of the bath. The deposited film was characterised using Surface Profilometer, X-Ray Diffractometer (XRD), Uv-Visible Spectrophotometer and four point probe technique. Surface profiling revealed that the film is continuous with thickness of about 60 nm. The XRD result showed that the film has orthorhombic crystal stru

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20

Ferradini, Christiane, and Jean-Paul Jay-Gerin. "La radiolyse de l'eau et des solutions aqueuses : historique et actualité." Canadian Journal of Chemistry 77, no. 9 (1999): 1542–75. http://dx.doi.org/10.1139/v99-162.

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Experiments showing that water is decomposed by the action of high-energy radiations date back to the first days of the discovery of radioactivity, a century ago. On the occasion of this anniversary, we have attempted to give a comprehensive account of the radiation chemistry of water and its solutions since its origin, with special emphasis on the various physical and chemical stages that led to the present state of this science. To this aim, we describe the effect of different intervening factors on the molecular and radical yields, including dissolved solute concentration, pH, radiation int

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21

Raymond, L. V., M. Zhang, E. Karangwa, and M. J. Chesereka. "Mixed noble gas effect on cut green peppers." International Agrophysics 27, no. 1 (2013): 75–79. http://dx.doi.org/10.2478/v10247-012-0070-2.

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Abstract Increasing attempts at using gas which leads to hydrate formation as a preservative tool in fresh-cut fruits and vegetables have been reported. In this study, changes in some physical and biochemical properties of fresh-cut green peppers under compressed noble gas treatments were examined. Mixed argonkrypton and argon treatments were performed before cold storage at 5°C for 15 days. Mass loss and cell membrane permeability were found to be the lowest in mixed argon-krypton samples. Besides, a lower CO2 concentration and vitamin C loss were detected in gastreated samples compared to un

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Glover, Nicholas R., and Alan S. Tracey. "Structure, modelling, and molecular dynamics studies of the inhibition of protein tyrosine phosphatase 1B by sulfotyrosine peptides." Biochemistry and Cell Biology 77, no. 5 (1999): 469–86. http://dx.doi.org/10.1139/o99-056.

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The protein tyrosine phosphatases comprise a class of enzymes that are crucial for the regulation of a number of cellular processes. Because of this, they are attracting increasing attention, not only as legitimate therapeutic targets, but also because of their relationship to many fundamental cellular processes. Certain sulfotyrosine peptides derived from casein are known to be good inhibitors of the protein tyrosine phosphatase, PTP1B. In this study, NMR transfer nuclear Overhauser effect studies have been used to ascertain the bound-state conformation adopted by the 12-amino acid residue ca

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23

El Fakir, Loubna, Kaoutar Bouothmany, Amal Alotaibi, et al. "Antioxidant and Understanding the Anticancer Properties in Human Prostate and Breast Cancer Cell Lines of Chemically Characterized Methanol Extract from Berberis hispanica Boiss. & Reut." Applied Sciences 11, no. 8 (2021): 3510. http://dx.doi.org/10.3390/app11083510.

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The current research was conducted to investigate the chemical profile, antiproliferative, and antioxidant activities of methanol extracts obtained by two different methods including maceration and Soxhlet from Berberis hispanica Boiss. & Reut. Antiproliferative activities were evaluated by the MTT (3-(4, 5-dimethylthiazolyl-2)-2, 5-diphenyltetrazolium bromide) assay in four human cancer cell lines including prostate (LnCap and 22 RV1) and breast cancer (MDA-MB-231 and MCF7). The antioxidant power was evaluated by DPPH ((2,2-diphenyl-1-picryl-hydrazyl-hydrate), ABTS (2,2′-azino-bis(3-ethyl

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24

Von Gunten, Alex, Kunal Velinkar, Onyema Obi, Eranda Nikolla, and Jeffrey Greeley. "(Invited) First-Principles Modeling of Degradation Mechanisms of the NaO₂ Discharge Product in Na-O₂ Battery Cells." ECS Meeting Abstracts MA2024-02, no. 26 (2024): 2082. https://doi.org/10.1149/ma2024-02262082mtgabs.

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The current climate crisis necessitates the development of improved electrochemical storage devices, such as aprotic alkali metal-O2 batteries (Li/Na-O2), which have greater than threefold higher thermodynamic gravimetric energy densities than Li-ion batteries. With a greater elemental abundance of sodium and low observed overpotential losses, Na-O2 batteries have become a focus of research interest. However, despite recent efforts, poor cell stability continues to plague Na-O2 cells, inhibiting commercial viability. A contributing factor to the poor cell stability is a degradation of the desi

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Guo, Xiao-Wei. "Cryo-Electron Microscopy and Correlation Averaging of Frozen-Hydrated, Polymorphic 2D Crystals of the Mitochondrial Outer Membrane Channel." Proceedings, annual meeting, Electron Microscopy Society of America 48, no. 1 (1990): 100–101. http://dx.doi.org/10.1017/s0424820100179257.

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Voltage-dependent, anion-selective channels (VDAC) are formed in the mitochondrial outer membrane (mitOM) by a 30-kDa polypeptide. These channels form ordered 2D arrays when mitOMs from Neurospora crassa are treated with soluble phospholipase A2. We obtain low-dose electron microscopic images of unstained specimens of VDAC crystals preserved in vitreous ice, using a Philips EM420 equipped with a Gatan cryo-transfer stage. We then use correlation analysis to compute average projections of the channel crystals. The procedure involves Fourier-filtration of a region within a crystal field to obtai

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Yang, Tzu-Sen, May-Show Chen, Cheng-Jyun Huang, et al. "A Novel Sol-Gel Bi2-xHfxO3+x/2 Radiopacifier for Mineral Trioxide Aggregates (MTA) as Dental Filling Materials." Applied Sciences 11, no. 16 (2021): 7292. http://dx.doi.org/10.3390/app11167292.

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Mineral trioxide aggregate (MTA) is well known as an effective root canal filling material for endodontics therapy. Within MTA, bismuth oxide (Bi2O3) serving as the radiopacifier still has biocompatibility concerns due to its mild cytotoxicity. In the present study, we tried to modify the Bi2O3 radiopacifier by doping hafnium ions via the sol-gel process and investigated the effects of different doping ratios (Bi2-xHfxO3+x/2, x = 0–0.3) and calcination temperatures (400–800 °C). We mixed various precursor mixtures of bismuth nitrate (Bi(NO3)3·5H2O) and hafnium sulfate (Hf(SO4)2) and controlled

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Orsi, Mario, Massimo G. Noro, and Jonathan W. Essex. "Dual-resolution molecular dynamics simulation of antimicrobials in biomembranes." Journal of The Royal Society Interface 8, no. 59 (2010): 826–41. http://dx.doi.org/10.1098/rsif.2010.0541.

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Triclocarban and triclosan, two potent antibacterial molecules present in many consumer products, have been subject to growing debate on a number of issues, particularly in relation to their possible role in causing microbial resistance. In this computational study, we present molecular-level insights into the interaction between these antimicrobial agents and hydrated phospholipid bilayers (taken as a simple model for the cell membrane). Simulations are conducted by a novel ‘dual-resolution’ molecular dynamics approach which combines accuracy with efficiency: the antimicrobials, modelled atom

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Herring, Andrew M., Mei-Chen Kuo, E. Bryan Coughlin, Marco Salgado, and Jordan Hawks. "Changing the Linking Functionality in a Triblock Co-Polymer for Electrolyzer or Fuel Cell Membrane or Ionomer for Chemical Stability Improvements and Potentially Other Consequences." ECS Meeting Abstracts MA2024-01, no. 36 (2024): 2055. http://dx.doi.org/10.1149/ma2024-01362055mtgabs.

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We have developed a versatile scalable triblock polymer system for anion exchange membrane (AEM) based electrochemical energy conversion devices. This system is uniquely suited to solving both the membrane and ionomer challenges for the commercialization of AEM water electrolysis or fuel cells. Using our advanced fundamental understanding of AEMs based on our work which began in 2010, we can design systems from first principles to match the needs of the device. A triblock ABA polymer is readily fabricated that has both chemical and mechanical stability. The synthesis of these systems is robust

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Kim, Jiwoong, Sehyeon Kim, Hyunsoo Chun, Sanggyu Kang, and Kyoungdoug Min. "Development of a Dynamic Model for a Shell-and-Tube Type Gas-to-Gas Polysulfone Hollow Fiber Membrane Humidifier and Optimization of Operating Conditions and Fiber Dimensions to Maximize PEMFC Stack Power in Hydrogen Fuel Cell Vehicles." ECS Meeting Abstracts MA2024-02, no. 46 (2024): 3281. https://doi.org/10.1149/ma2024-02463281mtgabs.

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In polymer electrolyte membrane fuel cell (PEMFC) systems, effective water management is key to enhancing both efficiency and lifespan of the system. The necessity of keeping the system optimally hydrated to improve proton conductivity, while avoiding the issue of water flooding, emphasizes the crucial role of humidification technologies. In this study, the permeation characteristics of polysulfone hollow fiber membranes for transferring water vapor from moist air were experimentally and theoretically investigated. Experiments were conducted to assess the effect of operating conditions (e.g.,

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Bozzini, Benedetto, Elisa Emanuele, Claudio Mele, and Jacopo Strada. "(Invited) Solvation Control in Deep Eutectic Solvent Electrolytes for Stable Plating/Stripping of Zn in Battery Applications." ECS Meeting Abstracts MA2023-02, no. 20 (2023): 1268. http://dx.doi.org/10.1149/ma2023-02201268mtgabs.

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Within the field of battery applications, deep eutectic solvents (DESs) have emerged as innovative electrolytes for rechargeable Zinc-ion batteries (ZIBs) . ZIBs traditionally employ neutral or weakly acidic aqueous electrolytes, which are susceptible to the standard anode drawback such as dendrite formation and passivation. DES-based electrolytes can facilitate the reversible plating and stripping of Zn, mitigating also dendrite growth . One notable benefit of DES solvents over their aqueous counterparts is that the concentration of electroactive species controls the shape evolution of electr

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Kariev, Alisher M., and Michael E. Green. "Water, Protons, and the Gating of Voltage-Gated Potassium Channels." Membranes 14, no. 2 (2024): 37. http://dx.doi.org/10.3390/membranes14020037.

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Ion channels are ubiquitous throughout all forms of life. Potassium channels are even found in viruses. Every cell must communicate with its surroundings, so all cells have them, and excitable cells, in particular, especially nerve cells, depend on the behavior of these channels. Every channel must be open at the appropriate time, and only then, so that each channel opens in response to the stimulus that tells that channel to open. One set of channels, including those in nerve cells, responds to voltage. There is a standard model for the gating of these channels that has a section of the prote

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Linge, Jonas Mart, Heiki Erikson, Marek Mooste, et al. "Mesoporous Carbon Supported Ag-Based Catalyst for Anion Exchange Membrane Fuel Cell." ECS Meeting Abstracts MA2023-01, no. 38 (2023): 2221. http://dx.doi.org/10.1149/ma2023-01382221mtgabs.

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The human population is growing and needs more energy for optimal life. Since fossil fuel consumption is no longer accepted, new green energy sources are sought after, found, and further developed. One such energy carrier is hydrogen, which is used as fuel in various low-temperature proton exchange membrane (PEMFCs) and anion exchange membrane fuel cells (AEMFCs).1 Unfortunately, these technologies are expensive due to the application of electrochemically active platinum-based catalysts. Thus, to make fuel cell technology more affordable: cheaper, more active, and more stable, non-Pt catalysts

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Instituto Nacional de Câncer José de Alencar Gomes da Silva. "9º Simpósio Médico Internacional de VHL; III Encontro de Famílias com a Síndrome de VHL Data:." Revista Brasileira de Cancerologia 56, no. 3 (2010): 395–406. http://dx.doi.org/10.32635/2176-9745.rbc.2010v56n3.1493.

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Resumos escolhidos para publicação. Nessa edição, os títulos foram: Extramitochondrial Fumarate Inhibits Multiple 2-OG Oxygenases in Fumarate Hydratase Deficient Cells; What is the Best Treatment for Renal Lesions in VHL?; Characterization of the VHL-ECM Pathway; Induction of Extreme Metabolic Depression by the Nucleolus; Mutation of SDHB and Inherited RCC Susceptibility; Metabolic Links to Renal Cancer; Radiosurgery for Cerebellar Hemangioblastomas; Neoplastic Diagnosis Timing Profile in von Hippel-Lindau´s Patients in a Personal Series; Regulation of the VHL Tumor Suppressor; Destructive Tar

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Warner, A., S. Jackson, and J. Clegg. "Effect of anaerobiosis on cysteine protease regulation during the embryonic-larval transition in." Journal of Experimental Biology 200, no. 5 (1997): 897–908. http://dx.doi.org/10.1242/jeb.200.5.897.

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Hydrated encysted embryos of the brine shrimp Artemia franciscana have the ability to withstand years in anaerobic sea water using metabolic strategies that enable them to inactivate all cell metabolic activities and then to resume development when placed in aerobic sea water. However, this unique characteristic of Artemia franciscana embryos is lost during a very short period, at the embryonic&shy;larval transition period of development, coincident with the appearance of prenauplius larvae. Thus, while encysted embryos show complete inhibition of proteolysis over at least 4 years under an

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Papakonstantinou, Georgios D., Jelena M. Jaksic, Diamantoula Labou, Angeliki Siokou, and Milan M. Jaksic. "Spillover Phenomena and Its Striking Impacts in Electrocatalysis for Hydrogen and Oxygen Electrode Reactions." Advances in Physical Chemistry 2011 (January 19, 2011): 1–22. http://dx.doi.org/10.1155/2011/412165.

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The core subject of the present paper represents the interrelated spillover (effusion) phenomena both of the primary oxide and the H-adatoms, their theory and practice, causes, appearances and consequences, and evidences of existence, their specific properties, and their alterpolar equilibria and kinetic behavior, structural, and resulting catalytic, and double layer charging features. The aim is to introduce electron conductive and d-d interactive individual and composite (mixed valence) hypo-d-oxide compounds, of increased altervalent capacity, or their suboxides (Magnéli phases), as the int

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Scesa, Federico, Eugenio Gibertini, Luca Magagnin, and Maurizio Sansotera. "Surfactant-Assisted Synthesis of FeF₃ • 0.33 H₂o and Its Application As Cathodic Material for Electrochemical Energy Storage Devices: From Lithium to Fluoride-Ion Batteries." ECS Meeting Abstracts MA2023-02, no. 4 (2023): 537. http://dx.doi.org/10.1149/ma2023-024537mtgabs.

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New generation of electrochemical energy storage devices is needed to face the continuous increase in energy stored capacity demand at lower costs from human society. Moreover, due to the constant increase in number of batteries produced, the development of more sustainable devices without the consumption of limited resources at affordable costs is an actual research challenge. The conventional lithium batteries, the most widespread kind of electrochemical energy storage devices, made by an intercalation cathode (e.g., LiCoO2, LiFePO4) and a graphite anode suffer of limited capacity for high-p

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Ha, Tae Hyeon, and Jihun Oh. "(Invited) Selective and Economical CO₂ Reduction in Acid." ECS Meeting Abstracts MA2024-02, no. 62 (2024): 4147. https://doi.org/10.1149/ma2024-02624147mtgabs.

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The increasing urgency to address climate change has propelled the exploration of innovative technologies capable of mitigating its effects. Among these, the electrochemical reduction of CO2 stands out as a promising solution, leveraging the conversion of CO2—a principal greenhouse gas—into valuable chemicals and fuels using electricity. This process is not only pivotal for reducing atmospheric CO2 levels but also plays a crucial role in steering the global economy towards sustainability and circularity. Unfortunately, there are some critical problems due to the intrinsically produced hydroxid

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Karuppiah, Krishnaveni, Iniya Murugan, Murugesan Sepperumal, and Siva Ayyanar. "A dual responsive probe based on bromo substituted salicylhydrazone moiety for the colorimetric detection of Cd2+ ions and fluorometric detection of F‒ ions: Applications in live cell imaging." International Journal of Bioorganic and Medicinal Chemistry 1, no. 1 (2021): 1–9. http://dx.doi.org/10.55124/bmc.v1i1.20.

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A new fluorimetric and colorimetric dual-mode probe, 4-bromo-2-(hydrazonomethyl) phenol (BHP) has been synthesized and successfully utilized for the recognition of Cd2+/F‒ ions in DMSO/H2O (9:1, v/v) system. The probe displays dual channel of detection via fluorescence enhancement and colorimetric changes upon binding with F‒ and Cd2+ ions respectively. The Job’s plot analysis, ESI-MS studies, Density Functional Theoretical (DFT) calculations, 1H NMR and 19F NMR titration results were confirmed and highly supported the 1:1 binding stoichiometry of the probe was complexed with Cd2+/F‒ ions. Fur

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Matsui, Hiroshi, Yusuke Takebe, Masae Takahashi, Yuka Ikemoto, and Yasumitsu Matsuo. "Proton transfer driven by the fluctuation of water molecules in chitin film." Journal of Chemical Physics 161, no. 16 (2024). http://dx.doi.org/10.1063/5.0235566.

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Proton-transfer mechanisms and hydration states were investigated in chitin films possessing the functionality of fuel-cell electrolytes. The absolute hydration number per chitin molecule (N) as a function of relative humidity (RH) was determined from the OH stretching bands of H2O molecules, and the proton conductivity was found to enhance above N = 2 (80%RH). The FIR spectrum at 500–900 cm−1 for 20%RH (N &lt; 1) together with first-principles calculations clearly shows that the w1 site has the same hydration strength as the w2 site. The molecular dynamics simulations for N = 2 demonstrat

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Kang, Wendong, Jiaxing Yang, Zuobin Zhang, Jinzheng Chai, Yuting Xing, and Yi Lu. "Effect of cement powder types on the physicochemical and thermal insulation properties of solidified foam." Journal of Surfactants and Detergents, April 8, 2025. https://doi.org/10.1002/jsde.12860.

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AbstractThe solidified foam extinguishing agent was prepared by using the mixture of sodium dodecyl sulfate and sodium alcohol ether sulphate as surfactant, xanthan gum as foam stabilizer, aluminum sulfate as coagulant and three kinds of cement powder. The effect of cement type on the physicochemical properties and thermal insulation properties of solidified foams were investigated. The results show that the aluminate cement solidified foam (SFAC) exhibits the optimal comprehensive performance with the collapse ratio of 5.68%, and the excellent adhesion and thermal insulation simultaneously. T

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Yang, Xinrui, Famin Yu, Lu Wang, et al. "Two co-existing and opposing mechanisms of proton transfer in one-dimensional open-end water chains." Journal of Chemical Physics 160, no. 19 (2024). http://dx.doi.org/10.1063/5.0204275.

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The proton transport in one-dimensional (1D) confined water chains has been extensively studied as a model for ion channels in cell membrane and fuel cell. However, the mechanistic understanding of the proton transfer (PT) process in 1D water chains remains incomplete. In this study, we demonstrate that the two limiting structures of the hydrated excess proton, H5O2+ (Zundel) and H3O+ (linear H7O3+), undergo a change in dominance as the water chain grows, causing two co-existing and opposing PT mechanisms. Specifically, H5O2+ is stable in the middle of the chain, whereas H3O+ serves as a trans

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O’Keeffe, Rosemary, Gladys Oluyemisi Latunde-Dada, Yu-Lin Chen, Xiaole L. Kong, Agostino Cilibrizzi, and Robert C. Hider. "Glutathione and the intracellular labile heme pool." BioMetals, December 10, 2020. http://dx.doi.org/10.1007/s10534-020-00274-w.

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AbstractOne candidate for the cytosolic labile iron pool is iron(II)glutathione. There is also a widely held opinion that an equivalent cytosolic labile heme pool exists and that this pool is important for the intracellular transfer of heme. Here we describe a study designed to characterise conjugates that form between heme and glutathione. In contrast to hydrated iron(II), heme reacts with glutathione, under aerobic conditions, to form the stable hematin–glutathione complex, which contains iron(III). Thus, glutathione is clearly not the cytosolic ligand for heme, indeed we demonstrate that th

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Portnov, Tanya, Tiberiu R. Shulimzon, and Meital Zilberman. "Injectable hydrogel-based scaffolds for tissue engineering applications." Reviews in Chemical Engineering 33, no. 1 (2017). http://dx.doi.org/10.1515/revce-2015-0074.

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AbstractHydrogels are highly hydrated materials that may absorb from 10% to 20% up to hundreds of times their dry weight in water and are composed of three-dimensional hydrophilic polymeric networks that are similar to those in natural tissue. The structural integrity of hydrogels depends on cross-links formed between the polymer chains. Hydrogels have been extensively explored as injectable cell delivery systems, owing to their high tissue-like water content, ability to mimic extracellular matrix, homogeneously encapsulated cells, efficient mass transfer, amenability to chemical and physical

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Boltje, Daan B., Jacob P. Hoogenboom, Arjen J. Jakobi, et al. "A cryogenic, coincident fluorescence, electron and ion beam microscope." eLife 11 (October 28, 2022). http://dx.doi.org/10.7554/elife.82891.

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Cryogenic electron tomography (cryo-ET) combined with sub-tomogram averaging, allows in-situ visualization and structure determination of macromolecular complexes at sub-nanometre resolution. Cryogenic focused ion beam (cryo-FIB) micromachining is used to prepare a thin lamella-shaped sample out of a frozen-hydrated cell for cryo-ET imaging, but standard cryo-FIB fabrication is blind to the precise location of the structure or proteins of interest. Fluorescence-guided focused ion beam (FIB) milling at target locations requires multiple sample transfers prone to contamination, and relocation an

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Marahatta, Anant Babu. "Nanometer‐Ranged Interfacial Interactions of the VRFB‐Cell Electrolyte Species: An Implication of Molecular Dynamics Simulation." International Journal of Electrochemistry 2025, no. 1 (2025). https://doi.org/10.1155/ijel/5590070.

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In the large‐scale energy storage technological sectors and many other state‐of‐the‐art renewable energy subsidy policies, the vanadium redox flow battery (VRFB) stands as a low variable cost yet promising electrochemical assembly applicable to convert “all‐vanadium” electrolyte stored chemical energy into electrical energy. Despite its ubiquitous attributes of grid‐scale power storage and the remarkable charge–discharge cycles, there is still a dearth of MD simulation‐based theoretical studies insighted into its Nafion‐117 membrane‐plunged electrolyte matrix comprising with the adjacent state

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Lai, Chi‐Yu, Yin‐Song Liao, Hao‐Yu Ku, et al. "Enhancing Zinc Electrode Stability Through Pre‐Desolvation and Accelerated Charge Transfer via a Polyimide Interface for Zinc‐Ion Batteries." Small, May 2024. http://dx.doi.org/10.1002/smll.202401713.

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AbstractAqueous zinc‐based energy storage devices possess superior safety, cost‐effectiveness, and high energy density; however, dendritic growth and side reactions on the zinc electrode curtail their widespread applications. In this study, these issues are mitigated by introducing a polyimide (PI) nanofabric interfacial layer onto the zinc substrate. Simulations reveal that the PI nanofabric promotes a pre‐desolvation process, effectively desolvating hydrated zinc ions from Zn(H2O)62+ to Zn(H2O)42+ before approaching the zinc surface. The exposed zinc ion in Zn(H2O)42+ provides an accelerated

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Guo, Xiuli, Qiaoling Peng, Rui Yang, et al. "Non-coordinating charge transfer enables ultrafast desolvation of hydrated zinc ions in the outer Helmholtz layer for stable aqueous Zn metal batteries." National Science Review, February 22, 2025. https://doi.org/10.1093/nsr/nwaf070.

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Abstract The formation of a strong coordination structure, [Zn(H2O)6]2+ often increases direct contact between the solvated H2O and Zn anodes on the inner Helmholtz layer, which exacerbates undesirable side reactions and dendrite growth, hindering the practical application of aqueous Zn metal batteries. Here, we identify that the solvated H2O can be effectively minimized by an artificial solid electrolyte interphase (SEI) consisting of highly nitrogen-doped amorphous carbon (NC) and perfluorosulfonic acid polymer (Nafion). Theoretical and experimental analyses reveal that NC raises the Fermi l

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Schiøtz, Oda Helene, Christoph J. O. Kaiser, Sven Klumpe, et al. "Serial Lift-Out: sampling the molecular anatomy of whole organisms." Nature Methods, December 18, 2023. http://dx.doi.org/10.1038/s41592-023-02113-5.

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AbstractCryo-focused ion beam milling of frozen-hydrated cells and subsequent cryo-electron tomography (cryo-ET) has enabled the structural elucidation of macromolecular complexes directly inside cells. Application of the technique to multicellular organisms and tissues, however, is still limited by sample preparation. While high-pressure freezing enables the vitrification of thicker samples, it prolongs subsequent preparation due to increased thinning times and the need for extraction procedures. Additionally, thinning removes large portions of the specimen, restricting the imageable volume t

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Zubiran, Rafael, Edward Neufeld, and Alan Remaley. "Abstract Th0012: Development of a novel nanoparticle assay to evaluate lipoprotein bidirectional free cholesterol mass transfer." Arteriosclerosis, Thrombosis, and Vascular Biology 45, Suppl_1 (2025). https://doi.org/10.1161/atv.45.suppl_1.th0012.

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Background: Free cholesterol (FC) flux between HDL and other lipoproteins or cells is a reversible process. The exchangeability of HDL-FC with peripheral tissues, particularly its direct transfer to the liver, as well as to arterial wall macrophages, affects Reverse Cholesterol Transport (RCT) and could play a major role in atherosclerosis. Thus, lipoprotein FC mass transfer may be of clinical utility in ASCVD risk assessment. Recent studies provide evidence that phospholipid-coated nanoparticles (NP) could potentially serve as a surrogate for monitoring cholesterol flux from arterial wall mac

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Hu, Qianhui, Qing Zhang, Mengxi Guo, et al. "Case report: A healthy baby achieved after preimplantation genetic testing from an infertile woman with hereditary leiomyomatosis and renal cell cancer syndrome." Frontiers in Medicine 11 (June 12, 2024). http://dx.doi.org/10.3389/fmed.2024.1400694.

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BackgroundHereditary leiomyomatosis and renal cell cancer (HLRCC) is a rare autosomal dominant inheritable disease caused by Fumarate hydratase (FH) gene germline mutation. It is speculated that for HRLCC infertility women with multiple uterine leiomyomas, preimplantation genetic testing may help block transmission of mutated FH gene during pregnancy.Case presentationWe present the case of a 26-year-old nulligravida with a history of early-onset uterine leiomyomatosis had a heterozygous nonsense mutation [NM_000143.4 (FH): c.1027C &gt; T(p.Arg343Ter)] in the HRLLC gene. After ovulation ind

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