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Journal articles on the topic 'Acidic clusters'

Author: Grafiati

Published: 31 May 2025

Last updated: 31 July 2025

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1

Navarro Negredo, Paloma, James R. Edgar, Antoni G. Wrobel, et al. "Contribution of the clathrin adaptor AP-1 subunit µ1 to acidic cluster protein sorting." Journal of Cell Biology 216, no. 9 (2017): 2927–43. http://dx.doi.org/10.1083/jcb.201602058.

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Acidic clusters act as sorting signals for packaging cargo into clathrin-coated vesicles (CCVs), and also facilitate down-regulation of MHC-I by HIV-1 Nef. To find acidic cluster sorting machinery, we performed a gene-trap screen and identified the medium subunit (µ1) of the clathrin adaptor AP-1 as a top hit. In µ1 knockout cells, intracellular CCVs still form, but acidic cluster proteins are depleted, although several other CCV components were either unaffected or increased, indicating that cells can compensate for long-term loss of AP-1. In vitro experiments showed that the basic patch on µ

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2

Jeberson, M. S., and K. S. Shashidhar. "Genetic diversity studies using Mahalanobis method in Mungbean under Acidic soils of Manipur." Journal of Current Opinion in Crop Science 3, no. 4 (2022): 173–76. http://dx.doi.org/10.62773/jcocs.v3i4.188.

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The cultivation of mungbean is important in the NEH region. The crop's genetic improvement mostly depends on the degree of genetic variability already present in the base population, which also acts as a valuable source of the base population for a wide variety of genetic variations. The present study aimed to study the genetic diversity analysis using the Mahalanobis method in mungbean grown under acid soils in Manipur, India. The present result showed that Mungbean genotypes have differed significantly for all characters in the analysis of variance. Eleven clusters had all twenty-eight genot

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3

Kohli, Ruchi, and Anu Mittal. "Investigation of Formic Acid involved Molecular Clusters with Atmospheric Acidic, Basic and Neutral Species." Asian Journal of Chemistry 34, no. 5 (2022): 1225–36. http://dx.doi.org/10.14233/ajchem.2022.23709.

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New particle formation (NPF) is regarded as a main source of tropospheric aerosols. Formic acid (FA) is investigated as a source of NPF by studying its dimer, trimer and tetramer clusters with atmospheric nucleating species like H2O, H2S, MeNH2 and H2O2 employing quantum chemical methods. The structural characteristics, nature of interactions, interaction energies, harmonic vibrational frequencies, thermochemistry at ambient and tropospheric conditions are investigated employing DFT and MP2 methods. Acidic (H2S), basic (MeNH2) and neutral (H2O) nucleating precursors are chosen to study the eff

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4

Alhony, Zinab Ibrahim, and Fathi Hassan Bawa. "MgO Cluster Models for Capture CO2 Molecule." European Journal of Engineering Research and Science 5, no. 8 (2020): 915–21. http://dx.doi.org/10.24018/ejers.2020.5.8.1900.

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The density functional theory (DFT) method was used to study the adsorption of acidic CO2 molecule on the oxide clusters (MgO)n , (n = 2, 4, 6, 8, 9 and 12). Basis sets, 6–311 G, 6–311G (d) and 6–311G (2d) were employed in order to test the effect on adsorption structures and binding energies. Both and adsorption sites have been considered. Our previous calculation DFT energies have been achieved for the (MgO)n, (CaO)n, (n = 1–4, 6, 8, 9, and 12 clusters), [WJERT, 2019, Vol.5, Issue 1, 328-341]. The present work investigates the adsorption properties (e.g., adsorption energies, geometries and

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5

Alhony, Zinab Ibrahim, and Fathi Hassan Bawa. "MgO Cluster Models for Capture CO2 Molecule." European Journal of Engineering and Technology Research 5, no. 8 (2020): 915–21. http://dx.doi.org/10.24018/ejeng.2020.5.8.1900.

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The density functional theory (DFT) method was used to study the adsorption of acidic CO2 molecule on the oxide clusters (MgO)n , (n = 2, 4, 6, 8, 9 and 12). Basis sets, 6–311 G, 6–311G (d) and 6–311G (2d) were employed in order to test the effect on adsorption structures and binding energies. Both and adsorption sites have been considered. Our previous calculation DFT energies have been achieved for the (MgO)n, (CaO)n, (n = 1–4, 6, 8, 9, and 12 clusters), [WJERT, 2019, Vol.5, Issue 1, 328-341]. The present work investigates the adsorption properties (e.g., adsorption energies, geometries and

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6

Deka, Ajanta. "Structure and Reverse Hydrogen Spillover in Mononuclear Au0 and AuI Complexes Bonded to Faujasite Zeolite: A Density Functional Study." Journal of Catalysts 2013 (May 25, 2013): 1–5. http://dx.doi.org/10.1155/2013/467846.

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We have studied the structure of mononuclear gold supported on acidic form of faujasite zeolite in two oxidation states, namely, 0 and +1, using density functional theory. The binding of the gold monomer to the zeolite support is stronger in the oxidation state +1 than in the oxidation state 0. For the oxidation state 0, the hydrogenated clusters AuH/(2H)-FAU, AuH2/H-FAU generated by stepwise reverse hydrogen spillover from bridging OH groups of zeolite are energetically preferred over the Au/(3H)-FAU structure. Reverse hydrogen spillover of all the three acidic protons from the zeolite to the

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7

Nie, Xuan, Fan Gao, Fei Wang, Cheng Liu, and Ye-Zi You. "Charge-reversal silver clusters for targeted bacterial killing." Journal of Materials Chemistry B 9, no. 19 (2021): 4006–14. http://dx.doi.org/10.1039/d1tb00378j.

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Ag(−)/Ag(+) clusters with negatively charged nanoparticles and big-size are transformed into positively charged nanoparticles with small size in a bacterial acidic environment to kill the bacteria effectively.

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8

Breysse, Michèle, Martine Cattenot, Vassilios Kougionas, et al. "Hydrogenation Properties of Ruthenium Sulfide Clusters in Acidic Zeolites." Journal of Catalysis 168, no. 2 (1997): 143–53. http://dx.doi.org/10.1006/jcat.1997.1639.

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9

Crump, Colin M., Chien-Hui Hung, Laurel Thomas, Lei Wan, and Gary Thomas. "Role of PACS-1 in Trafficking of Human Cytomegalovirus Glycoprotein B and Virus Production." Journal of Virology 77, no. 20 (2003): 11105–13. http://dx.doi.org/10.1128/jvi.77.20.11105-11113.2003.

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ABSTRACT The final envelopment of herpesviruses during assembly of new virions is thought to occur by the budding of core viral particles into a late secretory pathway organelle, the trans-Golgi network (TGN), or an associated endosomal compartment. Several herpesvirus envelope glycoproteins have been previously shown to localize to the TGN when expressed independently from other viral proteins. In at least some cases this TGN localization has been shown to be dependent on clusters of acidic residues within their cytoplasmic domains. Similar acidic cluster motifs are found in endogenous membra

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10

Lengyel, Jozef, Andriy Pysanenko, and Michal Fárník. "Electron-induced chemistry in microhydrated sulfuric acid clusters." Atmospheric Chemistry and Physics 17, no. 22 (2017): 14171–80. http://dx.doi.org/10.5194/acp-17-14171-2017.

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Abstract. We investigate the mixed sulfuric acid–water clusters in a molecular beam experiment with electron attachment and negative ion mass spectrometry and complement the experiment by density functional theory (DFT) calculations. The microhydration of (H2SO4)m(H2O)n clusters is controlled by the expansion conditions, and the electron attachment yields the main cluster ion series (H2SO4)m(H2O)nHSO4− and (H2O)nH2SO4−. The mass spectra provide an experimental evidence for the onset of the ionic dissociation of sulfuric acid and ion-pair (HSO4− ⋅ ⋅ ⋅ H3O+) formation in the neutral H2SO4(H2O)n

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11

Nurmaya, Eka, Fianti Fianti, and Ian Yulianti. "Soil Quality Analysis for Dryland Agriculture with Variation of Fertilization and Plant Rotation in Argomulyo District, Salatiga City." Physics Communication 6, no. 1 (2022): 18–24. http://dx.doi.org/10.15294/physcomm.v6i1.33976.

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The study aim is to analyze soil quality for dryland agriculture with variations in fertilization and plant rotation in Argomulyo sub-district, Salatiga city. This study took samples on dryland agricultural land in Ledok Village by taking sample points using random sampling with a cluster sampling pattern by dividing them into 4 clusters. The Step of the research are field and laboratory observation to know the soil pH and moisture, also to determine the soil value and cation test, respectively. Next is the interview step to know the effect of fertilization and plant rotation variation. This r

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12

Buch, Victoria, Anne Milet, Robert Vácha, Pavel Jungwirth, and J. Paul Devlin. "Water surface is acidic." Proceedings of the National Academy of Sciences 104, no. 18 (2007): 7342–47. http://dx.doi.org/10.1073/pnas.0611285104.

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Water autoionization reaction 2H2O → H3O− + OH− is a textbook process of basic importance, resulting in pH = 7 for pure water. However, pH of pure water surface is shown to be significantly lower, the reduction being caused by proton stabilization at the surface. The evidence presented here includes ab initio and classical molecular dynamics simulations of water slabs with solvated H3O+ and OH− ions, density functional studies of (H2O)48H+ clusters, and spectroscopic isotopic-exchange data for D2O substitutional impurities at the surface and in the interior of ice nanocrystals. Because H3O+ do

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13

Smart, Scott E., Viktor Dubovoy, and Long Pan. "Stabilization of cationic aluminum hydroxide clusters in high pH environments with a CaCl2/l-arginine matrix." Chemical Communications 55, no. 43 (2019): 5998–6001. http://dx.doi.org/10.1039/c9cc01463b.

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14

Luo, Xiaomei, and Juncheng Liu. "Transcriptome Analysis of Acid-Responsive Genes and Pathways Involved in Polyamine Regulation in Iron Walnut." Genes 10, no. 8 (2019): 605. http://dx.doi.org/10.3390/genes10080605.

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We reported changes in the co-regulated mRNA expression in iron walnut (Juglans sigillata) in response to soil pH treatments and identified mRNAs specific to acidic soil conditions. Phenotypic and physiological analyses revealed that iron walnut growth was greater for the pH 4–5 and pH 5–6 treatments than for the pH 3–4 and pH 6–7 treatments. A total of 2768 differentially expressed genes were detected and categorized into 12 clusters by Short Time-series Expression Miner (STEM). The 994 low-expression genes in cluster III and 255 high-expression genes in cluster X were classified as acid-resp

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15

Reguera, María, Javier Lloret, Isabel Margaret, et al. "GeneSMb21071of plasmid pSymB is required for osmoadaptation ofSinorhizobium meliloti1021 and is implicated in modifications of cell surface polysaccharides structure in response to hyperosmotic stress." Canadian Journal of Microbiology 55, no. 10 (2009): 1145–52. http://dx.doi.org/10.1139/w09-073.

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Megaplasmid pSymB of the nitrogen-fixing symbiont Sinorhizobium meliloti , implicated in adaptation to hyperosmotic stress, contains 11 gene clusters that apparently encode surface polysaccharides. However, only 2 of these clusters, containing the exo and exp genes, have been associated with the synthesis of the acidic exopolysaccharides succinoglycan and galactoglucan, respectively. The functions of the other 9 clusters remain unsolved. The involvement of one of those regions, pSymB cluster 3, on surface polysaccharide synthesis and its possible implication in osmoadaptation were investigated

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16

Hang, Nguyen Thi Nhat, Nguyen Thanh Si, Minh Tho Nguyen, and Pham Vu Nhat. "Adsorption/Desorption Behaviors and SERS Chemical Enhancement of 6-Mercaptopurine on a Nanostructured Gold Surface: The Au20 Cluster Model." Molecules 26, no. 17 (2021): 5422. http://dx.doi.org/10.3390/molecules26175422.

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Computational approaches are employed to elucidate the binding mechanism and the SERS phenomenon of 6-mercaptopurine (6MP) adsorbed on the tetrahedral Au20 cluster as a simple model for a nanostructured gold surface. Computations are carried out in both vacuum and aqueous environments using a continuum model. In the gaseous phase and neutral conditions, interaction of 6MP with the gold cluster is mostly dominated by a covalent Au−S bond and partially stabilized by the Au⋅⋅⋅H−N coupling. However, in acidic solution, the nonconventional Au⋅⋅⋅H−S hydrogen-bond becomes the most favorable binding m

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17

Katyal, J. C., S. P. Doshi, and P. K. Malhotra. "Use of cluster analysis for classification of Benchmark soil samples from India in different micronutrient availability groups." Journal of Agricultural Science 104, no. 2 (1985): 421–24. http://dx.doi.org/10.1017/s0021859600044117.

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SummaryIn view of the increase in micronutrient deficiencies in crop plants, ans attempt is made to group 57 Benchmark Indian soils into different micronutrient availability classes (clusters) vis-à-vis some soil characteristics. Since most of the soil characters are expressed in proportions or percentages (a usual practice in soil studies), the data matrix was transformed into log10 values to bring it nearer to normality. The transformed data matrix was used for cluster analysis and subsequently also for discriminant analysis. By following the method of Euclidean cluster analysis, the 57 Benc

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18

Heard, Christopher J., Lukáš Grajciar, and Petr Nachtigall. "The effect of water on the validity of Löwenstein's rule." Chemical Science 10, no. 22 (2019): 5705–11. http://dx.doi.org/10.1039/c9sc00725c.

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19

Klyne, Johanna, Mitsuhiko Miyazaki, Masaaki Fujii, and Otto Dopfer. "Sequential microhydration of cationic 5-hydroxyindole (5HI+): infrared photodissociation spectra of 5HI+–Wn clusters (W = H2O, n ≤ 4)." Physical Chemistry Chemical Physics 20, no. 5 (2018): 3092–108. http://dx.doi.org/10.1039/c7cp06132c.

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20

Lv, Shuxin, Wei Long, Junchi Chen, et al. "Dual pH-triggered catalytic selective Mn clusters for cancer radiosensitization and radioprotection." Nanoscale 12, no. 2 (2020): 548–57. http://dx.doi.org/10.1039/c9nr08192e.

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Mn clusters with pH-triggered catalytic selective capacity could optimize the effects of radiotherapy in the acidic tumor microenvironment, while protecting normal tissues from radiation in neutral circumstances simultaneously.

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21

Li, Xiumin, Shasha Li, Akihiro Yoshida, et al. "Mn doped CoP nanoparticle clusters: an efficient electrocatalyst for hydrogen evolution reaction." Catalysis Science & Technology 8, no. 17 (2018): 4407–12. http://dx.doi.org/10.1039/c8cy01105b.

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22

Choi, Jisik, Suhwan Yoo, Ezra Shanli Koh, et al. "Electrochemical Hydrogen Peroxide Production on Single Atoms and Atomic Clusters." ECS Meeting Abstracts MA2023-01, no. 38 (2023): 2247. http://dx.doi.org/10.1149/ma2023-01382247mtgabs.

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The electrochemical oxygen reduction reaction (ORR) involving the transfer of two electrons (2-electron ORR) offers a sustainable alternative for the production of hydrogen peroxide (H2O2) on-site. Minimizing the use of expensive noble metal catalysts and maximizing their atomic utilization can be achieved by reducing the size of the catalysts. While previous studies have primarily focused on the relationship between particle size and oxygen reduction activity in the 4-electron ORR using Pt-based catalysts, less attention has been paid to the 2-electron ORR for H2O2 production. In this study,

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23

Chen, Rong, Chao-Long Chen, Ming-Hao Du, et al. "Soluble lanthanide-transition-metal clusters Ln36Co12 as effective molecular electrocatalysts for water oxidation." Chemical Communications 57, no. 29 (2021): 3611–14. http://dx.doi.org/10.1039/d0cc08132a.

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The stable 48-metal Ln36Co12 clusters show an effective water oxidation activity under weak acidic conditions because of the synergistic effect between lanthanide and transition metals in O–O bond formation.

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24

Sadigov-Baykishi, Hamlet. "Gliadin and glutenin polymorphism in durum wheat landraces and breeding varieties of Azerbaijan." Genetika 47, no. 3 (2015): 839–48. http://dx.doi.org/10.2298/gensr1503839s.

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Durum wheat genotypes including 7 landraces and 17 breeding varieties were studied. Polyacrylamide gel electrophoresis under acidic conditions of pH 3.1 was used to study gliadin and glutenin polymorphisms. In total, 32 gliadin and 8 high molecular weight glutenin alleles were identified. The contribution of B genome (58.5%) to the allelic variation of durum wheat varieties was higher than of A genome. The cluster analysis delineated genotypes into four main clusters. According to cluster analysis, legitimacy identifying the distribution of botanical varieties through the tree was observed. Th

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25

McLaughlin, Stuart, Gyöngyi Hangyás-Mihályné, Irina Zaitseva, and Urszula Golebiewska. "Reversible - through calmodulin - electrostatic interactions between basic residues on proteins and acidic lipids in the plasma membrane." Biochemical Society Symposia 72 (January 1, 2005): 189–98. http://dx.doi.org/10.1042/bss0720189.

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The inner leaflet of a typical mammalian plasma membrane contains 20-30% univalent PS (phosphatidylserine) and 1% multivalent PtdIns(4,5)P2. Numerous proteins have clusters of basic (or basic/hydrophobic) residues that bind to these acidic lipids. The intracellular effector CaM (calmodulin) can reverse this binding on a wide variety of proteins, including MARCKS (myristoylated alanine-rich C kinase substrate), GAP43 (growth-associated protein 43, also known as neuromodulin), gravin, GRK5 (G-protein-coupled receptor kinase 5), the NMDA (N-methyl-d-aspartate) receptor and the ErbB family. We use

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26

Chen, Weijian, Shuyi Li, Xiao Li, et al. "Iron sulfur clusters in protein nanocages for photocatalytic hydrogen generation in acidic aqueous solutions." Chemical Science 10, no. 7 (2019): 2179–85. http://dx.doi.org/10.1039/c8sc05293j.

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27

Heerman, Luc. "Electrochemistry and Spectroscopy of Bismuth Clusters in Acidic Room-Temperature Chloroaluminates." ECS Proceedings Volumes 1990-17, no. 1 (1990): 356–66. http://dx.doi.org/10.1149/199017.0356pv.

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28

Yakovlev, Sergey, Xin Wang, Peter Ercius, Nitash P. Balsara, and Kenneth H. Downing. "Direct Imaging of Nanoscale Acidic Clusters in a Polymer Electrolyte Membrane." Journal of the American Chemical Society 133, no. 51 (2011): 20700–20703. http://dx.doi.org/10.1021/ja209240d.

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29

Zhang, De, Ruijing Wang, Sijia Luo, and Guangfeng Wei. "Restructuring and Hydrogen Evolution on Sub-Nanosized PdxBy Clusters." Molecules 29, no. 15 (2024): 3549. http://dx.doi.org/10.3390/molecules29153549.

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As a Pt-group element, Pd has been regarded as one of the alternatives to Pt-based catalysts for the hydrogen evolution reaction (HER). Herein, we performed density functional theory (DFT) computations to explore the most stable structures of PdxBy (x = 6, 19, 44), revealed the in situ structural reconstruction of these clusters under acidic conditions, and evaluated their HER activity. We found that the presence of B can prevent underpotential hydrogen adsorption and activate the H atoms on the cluster surface for the HER. The theoretical calculations show that the reaction barrier for the HE

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30

Nakamura, Kazuhiro, and Gary L. Johnson. "Noncanonical Function of MEKK2 and MEK5 PB1 Domains for Coordinated Extracellular Signal-Regulated Kinase 5 and c-Jun N-Terminal Kinase Signaling." Molecular and Cellular Biology 27, no. 12 (2007): 4566–77. http://dx.doi.org/10.1128/mcb.00125-07.

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ABSTRACT MEKK2 and MEK5 encode Phox/Bem1p (PB1) domains that heterodimerize with one another. MEKK2, MEK5, and extracellular signal-related kinase 5 (ERK5) form a ternary complex through interactions involving the MEKK2 and MEK5 PB1 domains and a 34-amino-acid C-terminal extension of the MEK5 PB1 domain. This C-terminal extension encodes an ERK5 docking site required for MEK5 activation of ERK5. The PB1 domains bind in a front-to-back arrangement, with a cluster of basic amino acids in the front of the MEKK2 PB1 domain binding to the back-end acidic clusters of the MEK5 PB1 domain. The C-termi

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31

Mao, Fangqin, Xiaojie Zhao, Ying Chang, and Jingchun Jia. "Controllable Construction of IrCo Nanoclusters and the Performance for Water Electrolysis." Catalysts 12, no. 8 (2022): 914. http://dx.doi.org/10.3390/catal12080914.

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Finding a suitable catalyst is an important research direction in hydrogen (H2) production from water electrolysis. We report a synthetic method to obtain IrxCo/C clusters by polyol reduction. The catalyst is small in size and can be evenly distributed. The Ir3Co/C cluster catalyst had very good activity under acidic conditions. The overpotential of the best-performing Ir3Co/C cluster for the oxygen evolution reaction (OER) and the hydrogen evolution reaction (HER) is only 290 mV and 91 mV when 10 mA cm−2 and 100 mA cm−2. The catalyst performance may be improved because of the synergistic effe

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32

Liao, Jian-Zhen, Chen Wu, Xiao-Yuan Wu, Shui-Quan Deng, and Can-Zhong Lu. "Exceptional photosensitivity of a polyoxometalate-based charge-transfer hybrid material." Chemical Communications 52, no. 46 (2016): 7394–97. http://dx.doi.org/10.1039/c6cc02711c.

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Exceptional light sensitivity was realized in a polyoxometalate-based hybrid material due to cooperative multicomponent molecular charge-transfer interactions taking place in this material. The π-acidic NDI linkers and POM clusters in the hybrid material were designed as photosensors and electronic reservoirs, respectively.

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33

Philipp, Jule, and Ralf Ludwig. "Clusters of Hydroxyl-Functionalized Cations Stabilized by Cooperative Hydrogen Bonds: The Role of Polarizability and Alkyl Chain Length." Molecules 25, no. 21 (2020): 4972. http://dx.doi.org/10.3390/molecules25214972.

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We explore quantum chemical calculations for studying clusters of hydroxyl-functionalized cations kinetically stabilized by hydrogen bonding despite strongly repulsive electrostatic forces. In a comprehensive study, we calculate clusters of ammonium, piperidinium, pyrrolidinium, imidazolium, pyridinium, and imidazolium cations, which are prominent constituents of ionic liquids. All cations are decorated with hydroxy-alkyl chains allowing H-bond formation between ions of like charge. The cluster topologies comprise linear and cyclic clusters up to the size of hexamers. The ring structures exhib

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MARIN, ORIANO, ANDREA CALDERAN, PAOLO RUZZA, et al. "Synthetic peptides including acidic clusters as substrates of yeast casein kinase-2." International Journal of Peptide and Protein Research 36, no. 4 (2009): 374–80. http://dx.doi.org/10.1111/j.1399-3011.1990.tb01296.x.

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35

Hibino, M. "Proton conductive amorphous thin films of tungsten oxide clusters with acidic ligands." Solid State Ionics 100, no. 3-4 (1997): 211–16. http://dx.doi.org/10.1016/s0167-2738(97)00393-7.

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36

Mercanti, V. "Acidic clusters target transmembrane proteins to the contractile vacuole in Dictyostelium cells." Journal of Cell Science 119, no. 5 (2006): 837–45. http://dx.doi.org/10.1242/jcs.02808.

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37

Dimmock, Paul W., David M. Saysell, and A. Geoffrey Sykes. "Electron transfer reactivity of cuboidal heterometallic Mo3MS4 clusters in aqueous acidic solutions." Inorganica Chimica Acta 225, no. 1-2 (1994): 157–62. http://dx.doi.org/10.1016/0020-1693(94)04043-5.

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38

Jin, Shuwen, Guangyao Zhang, Zhanyue Huo, et al. "Anchoring platinum clusters on lamellar MXene for efficient acidic hydrogen evolution reaction." International Journal of Hydrogen Energy 126 (May 2025): 476–83. https://doi.org/10.1016/j.ijhydene.2025.03.442.

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39

Zanonato, P. L., P. Di Bernardo, Z. Zhang, et al. "Hydrolysis of thorium(iv) at variable temperatures." Dalton Transactions 45, no. 32 (2016): 12763–71. http://dx.doi.org/10.1039/c6dt01868h.

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Three thorium hydroxide clusters ([Th<sub>m</sub>(OH)<sub>n</sub>]<sup>(4m−n)+</sup>, where (n,m) = (2,2); (8,4) and (15,6)) were evoked to describe the hydrolysis behavior of Th(iv) in acidic solutions with the ratio of [OH]/[Th] < 2 at variable temperatures (283–353 K).

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40

Müller, Matthias, Antti J. Karttunen, and Magnus R. Buchner. "Speciation of Be2+ in acidic liquid ammonia and formation of tetra- and octanuclear beryllium amido clusters." Chemical Science 11, no. 21 (2020): 5415–22. http://dx.doi.org/10.1039/d0sc01112f.

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The boundaries of beryllium metal oxidation in acidic ammonia have been explored. This enabled the isolation of the tetra- and octa-nuclear beryllium amide complexes. The latter exhibits a completely new structural motive in coordination chemistry.

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41

Bai, Xiaofang, Xiuping Zhang, Yujiao Sun, et al. "Highly Stable and Active Ru Clusters Supported on Boron Carbon Nitride for Acidic Water Oxidation." ECS Meeting Abstracts MA2023-02, no. 65 (2023): 3045. http://dx.doi.org/10.1149/ma2023-02653045mtgabs.

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In recent years, metal oxides, such as IrO2, have been widely used in proton exchange membrane water electrolysis (PEMWE) because of their excellent catalytic activity and long-term stability [1]. However the high price and scarcity of these catalysts were not enough to meet the requirements of PEMWE [2]. Therefore, it is significant to explore novel electrochemically active, stable, and low-cost catalysts. In this paper, a uniformly dispersed Ru confined on boron carbon nitride support was synthesized and studied. The surface chemical states of Ru were tuned by the interaction between Ru and

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42

Elchennawi, Ingie, and Sandrine Ollagnier de Choudens. "Iron–Sulfur Clusters toward Stresses: Implication for Understanding and Fighting Tuberculosis." Inorganics 10, no. 10 (2022): 174. http://dx.doi.org/10.3390/inorganics10100174.

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Tuberculosis (TB) remains the leading cause of death due to a single pathogen, accounting for 1.5 million deaths annually on the global level. Mycobacterium tuberculosis, the causative agent of TB, is persistently exposed to stresses such as reactive oxygen species (ROS), reactive nitrogen species (RNS), acidic conditions, starvation, and hypoxic conditions, all contributing toward inhibiting bacterial proliferation and survival. Iron–sulfur (Fe-S) clusters, which are among the most ancient protein prosthetic groups, are good targets for ROS and RNS, and are susceptible to Fe starvation. Mtb h

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Mascarenhas, Robson de Jesus, Silvanda de Melo Silva, Maria Auxiliadora Coêlho de Lima, Rejane Maria Nunes Mendonça, and Heinz Johann Holschuh. "Characterization of maturity and quality of Brazilian apirenic grapes in the São Francisco river Valley." Food Science and Technology 32, no. 1 (2012): 26–33. http://dx.doi.org/10.1590/s0101-20612012005000010.

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The objective of this study was to characterize and correlate maturity and quality of the first varieties of Brazilian seedless grapes 'BRS Clara', 'BRS Linda', 'BRS Morena', and 'Advanced Selection 8' compared with the American variety 'Crimson Seedless' in compliance with the Brazilian Normative/2002 and export standards Advanced Selection 8' is dark reddish, has large clusters, and is a very large ellipsoid berry; 'BRS Morena' is black with medium sized clusters and large berry shaped as ellipsoid to globoid; 'BRS Linda' is light green and has large sized clusters; 'Crimson' is pink and has

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Pliszko, Artur, Kinga Kostrakiewicz-Gierałt, and Iwona Makuch-Pietraś. "The effect of site conditions and type of ramet clusters on sexual and asexual ramets of Solidago × niederederi (Asteraceae)." NeoBiota 85 (June 15, 2023): 125–43. http://dx.doi.org/10.3897/neobiota.85.98796.

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Spontaneous hybrids between alien and native plant species are alien taxa and they threaten native biodiversity due to their high competitive ability or introgression. Thus, we tested the effect of soil conditions, elevation and type of ramet clusters (clonal clumps of shoots) on sexual and asexual ramets of Solidago × niederederi, a hybrid between the invasive alien S. canadensis and the native S. virgaurea. We also tested the relationships between the size of sexual ramets and habitat conditions in the hybrid and its parental species, based on ten sites in NE and S Poland, respectively. The

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Pliszko, Artur, Kinga Kostrakiewicz-Gierałt, and Iwona Makuch-Pietraś. "The effect of site conditions and type of ramet clusters on sexual and asexual ramets of Solidago × niederederi (Asteraceae)." NeoBiota 85 (June 15, 2023): 125–43. https://doi.org/10.3897/neobiota.85.98796.

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Abstract:

Spontaneous hybrids between alien and native plant species are alien taxa and they threaten native biodiversity due to their high competitive ability or introgression. Thus, we tested the effect of soil conditions, elevation and type of ramet clusters (clonal clumps of shoots) on sexual and asexual ramets of Solidago × niederederi, a hybrid between the invasive alien S. canadensis and the native S. virgaurea. We also tested the relationships between the size of sexual ramets and habitat conditions in the hybrid and its parental species, based on ten sites in NE and S Poland, respectively. The

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Liu, Weiming, Caiyun Liu, Wenli Wu, et al. "Effects of organic ammonium cations on the isolation of {Ti4} cyclic clusters from water: an 17O NMR study." Dalton Transactions 49, no. 18 (2020): 5957–64. http://dx.doi.org/10.1039/d0dt00165a.

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The organic ammonium cations change the solution speciation of Ti<sup>4+</sup> in acidic water and promote the formation of {Ti<sub>18</sub>O<sub>27</sub>}. However, the crystalline precipitates are {Ti<sub>4</sub>} cluster compounds.

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Zu, Haotian, Biwu Chu, Yiqun Lu, Ling Liu, and Xiuhui Zhang. "Rapid iodine oxoacid nucleation enhanced by dimethylamine in broad marine regions." Atmospheric Chemistry and Physics 24, no. 10 (2024): 5823–35. http://dx.doi.org/10.5194/acp-24-5823-2024.

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Abstract. Recent experiments have revealed a vital nucleation process of iodic acid (HIO3) and iodous acid (HIO2) under marine boundary layer conditions. However, HIO3–HIO2 nucleation may not effectively drive the observed rapid new particle formation (NPF) in certain coastal regions influenced by urban air masses. Dimethylamine (DMA) is a promising basic precursor to enhance nucleation considering its strong ability to stabilize acidic clusters and the wide distribution in marine atmosphere, while its role in HIO3–HIO2 nucleation remains unrevealed. Hence, a method combining quantum chemical

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Li, Jing, Wei Wei, Leanne C. Nye, et al. "Zwitterionic clusters with dianion core produced by electrospray ionisation of Brønsted acidic ionic liquids." Physical Chemistry Chemical Physics 14, no. 15 (2012): 5115. http://dx.doi.org/10.1039/c2cp24071h.

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Endo, Tomoya, Yoshiyuki Matsuda, and Asuka Fujii. "Infrared Spectroscopic Study of the Acidic CH Bonds in Hydrated Clusters of Cationic Pentane." Journal of Physical Chemistry Letters 8, no. 19 (2017): 4716–19. http://dx.doi.org/10.1021/acs.jpclett.7b02282.

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Blanchard, Juliette, Kyoko K. Bando, Takashi Matsui, Masaru Harada, Michèle Breysse, and Yuji Yoshimura. "Ruthenium sulfide clusters in acidic zeolites: In situ XAS characterization during sulfidation and reaction." Applied Catalysis A: General 322 (April 16, 2007): 98–105. http://dx.doi.org/10.1016/j.apcata.2007.01.014.

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