Improved thermostability of an acidic xylanase from Aspergillus sulphureus by combined disulphide bridge introduction and proline residue substitution by Wenhan Yang, Yongzhi Yang, Lingdi Zhang, Hang Xu, Xiaojing Guo, Xu Yang, Bing Dong, Yunhe Cao

“…All the recombinant enzymes showed optima at pH 3.0 and 50 °C or 55 °C and better resistance to some chemicals except for CuSO4. The specific activity of the xylanase was decreased by introduction of the mutations. …”
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Effects of Medium Constituents on Growth and Canthinone Accumulation in Cell Suspension Cultures of Eurycoma longifolia Jack by LUTHFI AZIZ MAHMUD SIREGAR, CHAN LAI KENG, BOEY PENG LIM

“…The highest amount of alkaloids, 9-hydroxycanthin-6-one and 9-methoxycanthin-6-one, could be obtained from E. longifolia Jack cells cultured in modified MS liquid medium that containing macronutrients: 21.50 mM NH4NO3, 14.25 mM KNO3, 7.50 mM CaCl2·2H2O, 2.50 mM MgSO4·7H2O, 1.45 mM KH2PO4, while content of micronutrients was 0.233 mM FeNa-EDTA, 0.215 mM MnSO4·4H2O and without CuSO4·5H2O. Increased sucrose concentration to 4.00% (w/v) in modified MS liquid medium could increase total of two-alkaloid. …”
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Genomic analysis uncovers laccase-coding genes and biosynthetic gene clusters encoding antimicrobial compounds in laccase-producing Acinetobacter baumannii by Renuka Pooalai, Supat Khongfak, Udomluk Leungtongkam, Rapee Thummeepak, Duangkamol Kunthalert, Sutthirat Sitthisak

“…The NI-65 strain exhibited constitutive production of extracellular laccase in a crude extract using 2,6-dimethoxyphenol as a substrate when supplemented with 2 mM CuSO4. Whole-genome sequencing of the NI-65 strain revealed a genome size of 3.6 Mb with 3,471 protein-coding sequences. …”
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A Facile Surface Modification Scheme for Medical-Grade Titanium and Polypropylene Using a Novel Mussel-Inspired Biomimetic Polymer with Cationic Quaternary Ammonium Functionalities... by Chi-Hui Cheng, Xiang-Zhen Zeng, Wen-Yuan Chiu, Jui-Che Lin

“…The chemical oxidants, CuSO₄/H₂O₂, as well as dopamine, were added into the novel PQA-C8 polymer immersion solution for one-step surface modification. …”
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Prooxidative and antioxidative properties of cucumber (Cucumis sativus L.) callus in vitro and young in vivo plantlets in response to copper ions by Lukatkin Alexander S., Michailova Irina D., Teixeira da Silva Jaime A.

“…The effects of different concentrations of copper ions (Cu2+ in the form of CuSO4 × 5H2O) on in vivo cucumber (Cucumis sativus L. …”
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Are Copper Nanoparticles Toxic to All Plants? A Case Study on Onion (<i>Allium cepa</i> L.) by Shady Abdel Mottaleb, Ahmed Z. A. Hassan, Reham El-Bahbohy, Abdel Wahab M. Mahmoud

“…Two successive seasons (2018/2019 and 2019/2020) of field experiments were conducted in newly reclaimed sandy soils, where plants were sprayed with either 10 ppm CuO NPs, 20 ppm CuSO₄·5H₂O, or 20 ppm of Cu chelates. …”
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Lipid hydroperoxy and hydroxy derivatives in copper-catalyzed oxidation of low density lipoprotein. by ML Lenz, H Hughes, JR Mitchell, DP Via, JR Guyton, AA Taylor, AM Gotto, Jr, CV Smith

“…In this study, LDL was isolated from plasma of normal volunteers and exposed to oxygenated buffer and 5 microM CuSO4 for 24 h. Oxidized LDL showed decreased linoleate (18:2) and arachidonate (20:4) content with increased concentrations of thiobarbituric acid reactive substances (TBARS) and hydroxy and hydroperoxy 18:2 and 20:4. …”
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Chitosan-titanium oxide fibers supported zero-valent nanoparticles: Highly efficient and easily retrievable catalyst for the removal of organic pollutants by Fayaz Ali, Sher Bahadar Khan, Tahseen Kamal, Khalid A. Alamry, Abdullah M. Asiri

“…Abstract Different chitosan-titanium oxide (CS-TiO2-x, with x = TiO2 loadings of 1, 5, 10,15 and 20 wt%) nanocomposite fibers were prepared and kept separately in each salt solution of CuSO4, CoNO3, AgNO3 and NiSO4 to adsorb Cu2+, Co2+, Ag+, and Ni+ ions, respectively. …”
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Toxicity and disruption of quorum sensing in Aliivibrio fisheri by environmental chemicals: Impacts of selected contaminants and microplastics by François Gagné

“…Bacteria were exposed to increasing concentrations of CuSO4 (Cu2+), gadolinium chloride (Gd3+), 20-nm silver nanoparticles (nanoAg) and 1-3 μm microplastic polyethylene beads for 250 min. …”
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Vapor pressure measurement of electrolyte solution and its impact on regeneration process in TRAB by Jielin Luo, Zeming Wang, Hao Wu, Shaozhi Zhang

“…In this paper, the vapor pressures of a typical TRAB electrolyte, CuSO4-(NH4)2SO4–NH3–H2O, were measured from 333.15 K to 373.15 K. …”
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Electrodeposition of Cu–SWCNT Composites by Pavan M. V. Raja, Gibran L. Esquenazi, Cathren E. Gowenlock, Daniel R. Jones, Jianhua Li, Bruce Brinson, Andrew R. Barron

“…Single walled carbon nanotubes (SWCNTs) are used as a component of a plating solution of CuSO₄ for direct current electrodeposition of Cu&#8722;SWCNT composites with varying nanotube proportions without the use of either a surfactant, a dispersing agent, or functionalization of the SWCNTs. …”
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Xylanase Production by Aspergillus niger LPB 326 in Solid-State Fermentation Using Statistical Experimental Designs by Giselle Maria Maciel, Luciana Porto de Souza Vandenberghe, Charles Windson Isidoro Haminiuk, Ricardo Cancio Fendrich, Bianca Eli Della Bianca, Tahiana Quintella da Silva Brandalize, Ashok Pandey, Carlos Ricardo Soccol

“…The best xylanase activity was obtained in a medium containing 10 g of sugarcane bagasse and soybean meal in the ratio of 65 and 35 %, respectively, moistened to 85 % of initial water content with a nutrient salt solution composed of (in g/L): CuSO4 0.4, KH2PO4 1.5 and CoSO4 0.0012, and incubated for 4 days at 30 °C. …”
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Metallurgical and corrosion characterization of warring states period bronzes excavated from Pujiang, Chengdu, China by Liu Liu, Qing Zhong, Luman Jiang, Pei Li, Lin Xiao, Yangmin Gong, Zhanyun Zhu, Junchang Yang

“…Different corrosion products were identified as Cu2CO3(OH)2, Cu2O, CuSO4·5H2O SnO2, PbSO4 and PbCO3. The findings help us gain insights into the bronze manufacturing in Bashu district, as well as the corrosion behavior in certain condition.…”
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Simultaneous electro-generation/polymerization of Cu nanocluster embedded conductive poly(2,2′:5′,2′′-terthiophene) films at micro and macro liquid/liquid interfaces by Reza Moshrefi, Hanna Przybyła, Talia Jane Stockmann

“…TT acts as an electron donor in 1,2-dichloroethane (DCE) through heterogeneous electron transfer across the water|DCE (w|DCE) interface to CuSO4 dissolved in water. The nanocomposite formation process was probed using cyclic voltammetry as well as electrochemical impedance spectroscopy (EIS). …”
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The Influence of Certain Types of Substrate and Biochemical Substances in Seed Germination and Plant Development of Spruce (Picea abies) by Alina M. TRUȚA, Oana VIMAN, Veronica Diana DOHOTAR, Steluta SÎNGEORZAN, Petru TRUŢA, Liviu HOLONEC

“…In order to analyse seeds germination and seedlings growth of spruce (Picea abies) there were used five treatments with bio and chemical substances for stimulation germination: H2O, Atonik, Cropmax, CuSO4, KMnO4 and five treatments with different substrates: Jiffy pots, peat + conifer humus, peat + conifer humus + perlite, peat + conifer humus + sand, peat + conifer humus + perlite + sand. …”
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Application of Artificial Neural Network for Modeling and Studying In Vitro Genotype-Independent Shoot Regeneration in Wheat by Mohsen Hesami, Jorge A. Condori-Apfata, Maria Valderrama Valencia, Mohsen Mohammadi

“…In this study, generalized regression neural network (GRNN) were used to model and forecast in vitro shoot regeneration outcomes of wheat on the basis of 10 factors including genotypes, explants, and different concentrations of 6-benzylaminopurine (BAP), kinetin (Kin), 2,4-dichlorophenoxyacetic acid (2,4-D), indole-3-acetic acid (IAA), indole-3-butyric acid (IBA), 1-naphthaleneacetic acid (NAA), zeatin, and CuSO₄. In addition, GRNN was linked to a genetic algorithm (GA) to identify an optimized solution for maximum shoot regeneration. …”
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Microbiological properties of copper dispersion obtained by cathodic deposition in the presence of acrylic acid by Viktor F. Vargalyuk, Volodymyr А. Polonskyy, Olga S. Stets, Nadiia V. Stets, Anatoly І. Shchukin

“…<p class="Abstract">Методом диференціальної фотометрії визначено кількісний склад металоорганічного осаду, одержаного електролізом із розчину 0.1 М CuSO₄, 1.0 М H₂SO₄, 0.2 М акрилової кислоти. …”
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Synthesis of Copper Nanoparticles Stabilized with Organic Ligands and Their Antimicrobial Properties by Noemi Jardón-Maximino, Marissa Pérez-Alvarez, Gregorio Cadenas-Pliego, Luis E. Lugo-Uribe, Christian Cabello-Alvarado, José M. Mata-Padilla, Enrique Díaz Barriga-Castro

“…We used copper sulfate pentahydrate (CuSO₄·5H₂O) as a metallic precursor; polyethylenimine (PEI), allylamine (AAM), and 4-aminobutyric acid (AABT) as stabilizing agents; and hydrated hydrazine as a reducing agent. …”
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Decopperization mechanism of copper anode slime enhanced by ozone by Jian Liu, Shixing Wang, Chenhui Liu, Libo Zhang, Desong Kong

“…All forms of copper in the raw materials are converted into CuSO4, Te2− into H2TeO4 and Se2− into SeO32− under ozone. …”
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PROTECTION OF WOODEN MATERIALS AGAINST BIOLOGICAL ATTACK BY USING NANOTECHNOLOGY by Michal Havrlik, Pavla Ryparová

“…We used polyvinyl alcohol (PVA) as a basic polymer which was enriched by substances from commercial Lignofix E – profi, solution of CuSO₄ · 5H₂O and AgNO₃ and finally colloidal silver as an example of nanoparticles. …”
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