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1981
Insights into the Neutralization and DNA Binding of Toxin–Antitoxin System ParE<sub>SO</sub>-CopA<sub>SO</sub> by Structure-Function Studies
Published 2021-12-01“…Thermodynamics analysis showed the DNA-binding affinity of CopA<sub>SO</sub> was remarkably higher than that of the purified TA complex, accompanied by the enthalpy change reversion from an exothermic reaction to an endothermic reaction. These results suggested ParE<sub>SO</sub> acts as a de-repressor of the TA operon transcription at the toxin:antitoxin level of 1:1. …”
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1982
Platinum (IV) Recovery from Waste Solutions by Adsorption onto Dibenzo-30-crown-10 Ether Immobilized on Amberlite XAD7 Resin–Factorial Design Analysis
Published 2020-08-01“…Thermodynamic parameters (Δ<i>G</i>°, Δ<i>H</i>°, Δ<i>S</i>°) showed that the adsorption process was endothermic and spontaneous. After adsorption, metallic platinum was recovered from the exhausted adsorbent material by thermal treatment. …”
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1983
<i>Nigella sativa</i>-Manganese Ferrite-Reduced Graphene Oxide-Based Nanomaterial: A Novel Adsorbent for Water Treatment
Published 2023-06-01“…The methylene blue adsorption was feasible, spontaneous, and endothermic. A comparison study revealed that the present materials could be successfully prepared and used for wastewater treatment.…”
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1984
Development of insecticide-impregnated polyester/cotton blend fabric and assessment of their repellent characteristics against Cimex lectularius and dengue vectors Aedes albopictus...
Published 2023-04-01“…Differential scanning calorimetry (DSC) showed distinctive endothermic peak of insecticide at 98.3 ºC, whereas no change in thermal behavior was observed from thermo-gravimetric analysis (TGA). …”
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1985
Biosynthesis of NiFe2O4 nanoparticles using Murayya koenigii for photocatalytic dye degradation and antibacterial application
Published 2023-01-01“…Thermodynamic parameters such as activation energy (Ea), enthalpy of activation (ΔH‡), entropy of activation (ΔS‡), and free energy of activation (ΔG‡) were evaluated, applying Arrhenius and activated complex theory ascertained the endothermic, less random and nonspontaneous features of photocatalytic process. …”
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1986
Synthesis of High-Crystallinity Mg-Al Hydrotalcite with a Nanoflake Morphology and Its Adsorption Properties for Cu<sup>2+</sup> from an Aqueous Solution
Published 2023-09-01“…In addition, the positive values of the Δ<i>H</i><sup>0</sup> indicated that the Cu<sup>2+</sup> adsorption was endothermic, and the positive Δ<i>S</i><sup>0</sup> values revealed an increase in the confusion at the solid–liquid interface of the adsorbent.…”
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1987
Adsorptive Removal of Rhodamine B Dye Using Carbon Graphite/CNT Composites as Adsorbents: Kinetics, Isotherms and Thermodynamic Study
Published 2023-01-01“…Negative standard Gibbs free energy change values (ΔG°<sub>ads</sub>) at all temperatures suggested that the adsorption process was spontaneous, and the positive values of the standard enthalpy change of adsorption (∆H°<sub>ads</sub>) revealed the reaction to be endothermic. The values of standard enthalpy (ΔH°<sub>ads</sub>) and activation energy (E<sub>a</sub>) indicated that the adsorption process corresponds to physical sorption. …”
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1988
Rapid removal of anionic organic dye from contaminated water using a poly(3-aminobenzoic acid/graphene oxide/cobalt ferrite) nanocomposite low-cost adsorbent via adsorption techniq...
Published 2022-12-01“…Thermodynamic results showed the adsorption process was an endothermic and spontaneous reaction. It was found that, in terms of reusability, the P3ABA/GO/CoFe2O4 adsorbent can be used for up to six cycles. …”
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1989
Treatment of Methylene Blue Using Ni-Al/Magnetite Biochar Layered Double Hydroxides Composite by Adsorption
Published 2023-12-01“…Adsorption continuity is spontaneous and endothermic. Ni-Al/MBC has stability in the process of adsorbent regeneration up to five adsorption cycles and, therefore can be used as a potential adsorbent in the treatment of methylene blue dye in aqueous environmental pollution. …”
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1990
Effects of Solar Drying on the Structural and Thermodynamic Characteristics of Bee Pollen
Published 2022-10-01“…Additionally, Differential Scanning Calorimetry (DSC) and Thermo Gravimetric Analysis (TGA) showed that endothermic phase transitions for dried bee pollen by cabin or solar dryer were at 145 °C and 160 °C, respectively. …”
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1991
Fabrication of MNPs/rGO/PMMA Composite for the Removal of Hazardous Cr(VI) from Tannery Wastewater through Batch and Continuous Mode Adsorption
Published 2021-11-01“…The adsorption process was endothermic, feasible and spontaneous and followed a pseudo-2nd order kinetic model. …”
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1992
Ultrasonication Assisted Catalytic Transesterification of Ceiba Pentandra (Kapok) Oil Derived Biodiesel Using Immobilized Iron Nanoparticles
Published 2022-02-01“…The positive value of ΔH and ΔG is an indication of endothermic and non-spontaneous reaction. A negative ΔS indicates the reactant in the transition state possesses a higher degree of ordered geometry than in its ground state. …”
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1993
Uranium Removal from Aqueous Solutions by Aerogel-Based Adsorbents—A Critical Review
Published 2023-01-01“…An evaluation of the thermodynamic data reveals that the adsorption is generally an endothermic, entropy-driven process (Δ<i>H</i><sup>0</sup>, Δ<i>S</i><sup>0</sup> > 0). …”
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1994
Hemp seed nanoparticle composites for removing lead, methylene blue, and ibuprofen from an aqueous solution and their antimicrobial towards Escherichia coli and Staphylococcus aure...
Published 2023-12-01“…The adsorption trends for Pb(II) and MB increased with temperature increases while that of IBU decreased, indicating that the adsorption was endothermic for Pb(II) and MB and exothermic for IBU. …”
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1995
Catalytic Co-pyrolysis of empty fruit bunch and high-density polyethylene mixtures over rice husk ash: Thermogravimetric, kinetic and thermodynamic analyses
Published 2022-08-01“…Thermodynamic analysis showed the pyrolysis runs were endothermic and non-spontaneous. Using RHA-T resulted in a higher change of enthalpy, a lower change of Gibbs free energy and a less negative change of entropy. …”
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1996
Structural properties, linear, and non-linear optical parameters of ternary Se80Te(20−x)Inx chalcogenide glass systems
Published 2022-05-01“…DSC analysis of bulk samples revealed the presence of small endothermic peak, that identifies the glass transition temperature Tg, followed by an exothermic peak that defines the amorphous-crystalline phase transition Tp. …”
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1997
Influence of Doping-Ion-Type on the Characteristics of Al<sub>2</sub>O<sub>3</sub>-Based Nanocomposites and Their Capabilities of Removing Indigo Carmine from Water
Published 2022-09-01“…The thermodynamic findings indicated an endothermic, spontaneous, and physisorption nature. …”
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1998
Removal of Cr(VI) from Wastewater Using Graphene Oxide Chitosan Microspheres Modified with α–FeO(OH)
Published 2022-07-01“…Cr(VI) adsorption was well fitted to a pseudo-second-order kinetic model and was spontaneous and endothermic. The best fit of Cr(VI) adsorption with the Langmuir and Sips models indicated that it was a monolayer and heterogeneous adsorption. …”
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1999
Efficient and Selective Removal of Palladium from Simulated High-Level Liquid Waste Using a Silica-Based Adsorbent NTAamide(C8)/SiO<sub>2</sub>-P
Published 2024-03-01“…Thermodynamic analysis showed that the adsorption of Pd(II) on NTAamide(C8)/SiO<sub>2</sub>-P was a spontaneous, endothermic, and rapid process. NTAamide(C8)/SiO<sub>2</sub>-P also demonstrated good reusability and economic feasibility.…”
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2000
Solubilization and Thermodynamic Analysis of Isotretinoin in Eleven Different Green Solvents at Different Temperatures
Published 2022-11-01“…According to thermodynamic studies, ITN dissolution was endothermic and entropy-driven in all of the green solvents tested. …”
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