Showing 1,141 - 1,160 results of 2,155 for search '"endotherms"', query time: 0.09s Refine Results
  1. 1141

    Adsorptive Removal of Azithromycin Antibiotic from Aqueous Solution by Azolla Filiculoides-Based Activated Porous Carbon by Davoud Balarak, Amir Hossein Mahvi, Saeideh Shahbaksh, Md A. Wahab, Ahmed Abdala

    Published 2021-12-01
    “…The adsorption was endothermic (Δ<i>H</i>°= 32.25 kJ/mol) and spontaneous (Δ<i>S</i>° = 0.128 kJ/mol·K). …”
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    Article
  2. 1142

    Removal of Cadmium Ion from Aqueous Solutions Using Magnetic Graphene Oxide Nanoparticles by Parya Fathollahi, Hassan Rezaei, Mahdi Sadeghi, Somayeh Namroodi

    Published 2022-12-01
    “…Thermodynamic parameters showed that the absorption process of cadmium metal was spontaneous and endothermic in the temperature range of 288 to 318 K The pseudo-second-order model with adsorption rate constant (K2 = 0.0092) and coefficient of determination (R2 = 0.99) showed that it describes the laboratory data better. …”
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    Article
  3. 1143

    Solubility and solution thermodynamics of raloxifene hydrochloride in various (DMSO + water) compositions by Mohammad Alyamani, Sultan Alshehri, Prawez Alam, Shahid Ud Din Wani, Mohammed M. Ghoneim, Faiyaz Shakeel

    Published 2022-11-01
    “…According to the results of apparent thermodynamic analyses, the dissolution of studied drug was “endothermic and entropy-driven” in all {(DMSO) (1) + water (2)} mixtures studied. …”
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    Article
  4. 1144

    Adsorption of Cu on Epichlorohydrin-Modified Magnetic FeO Microspheres Prepared by One-Step Solvothermal Synthesis by Shiwei Xiao, Rong Liu, Jiping Ma, Fengxi Chen

    Published 2015-01-01
    “…The adsorption process was endothermic (ΔH° = 11.8 kJ mol −1 ) and resulted in an increase in the entropy (ΔS° = 56.7 J mol −1 K −1 ). …”
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    Article
  5. 1145

    Evaluation of Pb2+ ion adsorption by roasted and grounded barley (Hordeum vulgare L.) waste by Alex Gonçalves Feitosa, Yannice Tatiane da Costa Santos, Jorge Marcell Coelho Menezes, Henrique Douglas Melo Coutinho, Victor Feitosa Teixeira, João Hermínio da Silva, Francisco José de Paula Filho, Raimundo Nonato Pereira Teixeira, Thiago Mielle Brito Ferreira Oliveira

    Published 2023-12-01
    “…The thermodynamic parameters were calculated, demonstrating that the adsorption is endothermic and favorable. Therefore, the results obtained showed that the waste of roasted and ground barley powder can be used as an alternative, viable and low-cost adsorbent for use in processes aimed at decontaminating effluents containing Pb2+ ions.…”
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    Article
  6. 1146

    First-Principles Assessment of H[subscript 2]S and H[subscript 2]O Reaction Mechanisms and the Subsequent Hydrogen Absorption on the CeO[subscript 2](111) Surface by Marrocchelli, Dario, Yildiz, Bilge

    Published 2014
    “…We predict that hydrogen penetration into CeO[subscript 2](111) is a surface-absorption-limited process with a high-energy barrier (1.67 eV) and endothermicity (1.50 eV), followed by a significantly lower bulk dissolution energy and diffusion barrier (0.67 and 0.52 eV, respectively). …”
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    Article
  7. 1147

    Hydrogen-assisted growth of one-dimensional tellurium nanoribbons with unprecedented high mobility by Xu, Manzhang, Xu, Jinpeng, Luo, Lei, Wu, Mengqi, Tang, Bijun, Li, Lei, Lu, Qianbo, Li, Weiwei, Ying, Haoting, Zheng, Lu, Wu, Hao, Li, Qiang, Jiang, Hanjun, Di, Jun, Zhao, Wu, Zhang, Zhiyong, He, Yongmin, Zheng, Xiaorui, Gan, Xuetao, Liu, Zheng, Wang, Xuewen, Huang, Wei

    Published 2023
    “…By introducing H2 into the gas flow, endothermic compound H2Te was generated from the reaction of liquid Te with H2, and consequently decomposed into elemental Te at low temperature. …”
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    Journal Article
  8. 1148

    Thermoreversible gelation of hydroxypropylmethylcellulose in simulated body fluids by Joshi, Sunil Chandrakant, Lam, Yee Cheong, Tam, K. C., Liu, Shao Qiong

    Published 2015
    “…Solution isotopic effects using Deuteraed water (D2O) yielded a linear decrease in the temperature of endothermic maximum (Tmax) with the increase in the molar ratio of D2O, indicating that polymer–polymer direct hydrogen bonding (interchain hydrogen bonding) was involved in the gelation process in addition to hydrophobic association. …”
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    Journal Article
  9. 1149

    Optimised thermally driven molecular stability of an SCO metal complex for TEC Seebeck generation enhancement by Megat Hasnan, Megat Muhammad Ikhsan, Said, Suhana Mohd, Sabri, Mohd Faizul Mohd, Mat Hussin, Siti Amira, Abdullah, Norbani, Nik Ibrahim, Nik Muhd Jazli, Miyazaki, Yuzuru, Salleh, Faiz, Shah, Noraisyah Mohamed

    Published 2019
    “…We show with DSC studies of an Fe based octahedral complex that an endothermic absorption accompanies the spin crossover transition, which enhances the Seebeck coefficient of this metal complex. …”
    Article
  10. 1150

    Adsorption of Acid Blue 113 from aqueous solution onto nutraceutical industrial coriander seed spent: Isotherm, kinetics, thermodynamics and modeling studies by Taqui, Syed Noeman, Yahya, Rosiyah, Hassan, Aziz, Nayak, Nayan, Syed, Akheel Ahmed

    Published 2019
    “…AB113 adsorption on NICSS was endothermic and almost spontaneous. The NICSS has a highly fibrous matrix with hierarchical porous structure as evidenced by SEM images. …”
    Article
  11. 1151

    Kinetic and thermodynamic analysis of iron oxide reduction by graphite for CO 2 mitigation in chemical‐looping combustion by Ubando, Aristotle T., Chen, Wei Hsin, Show, Pau Loke, Ong, Hwai Chyuan

    Published 2020
    “…The thermodynamic analysis showed an overall endothermic spontaneous reaction for the three phases which signified the direct reduction of the iron oxides. …”
    Article
  12. 1152

    Pyrolysis of waste activated sludge from food manufacturing industry: Thermal degradation, kinetics and thermodynamics analysis by Guo, Ren Mong, Woei, William Fong Chong, Siti Aminah Mohd Nor, Ng, Jo-Han, Cheng, Tung Chong, Rubia Idris, Jingwei Too, Meng, Choung Chiong, Mohd Azman Abas

    Published 2021
    “…The thermodynamic analysis of WAS demonstrated an endothermic and endergonic condition during pyrolysis where these are important information required for the designing of pyrolysis rig. …”
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    Article
  13. 1153

    Changes in the quality characteristics of white bread made using different shortening formulations during storage by Artan, Mohamud Yasin, Ariffin, Abdul Azis, Boo, Huey Chern, Karim, Roselina, Che Man, Yaakob, Chin, Nyuk Ling

    Published 2010
    “…During storage, DSC showed one endothermic peak for all aging times. The texture analyzer showed that the bread made from shortening formulation 100:0 had the least crumb firmness, while those made without shortening had the highest crumb firmness.…”
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    Article
  14. 1154

    Rapid removal of Cu(II) ion by chemically modified rubber wood fiber by Mahdavi, Mahnaz, Ahmad @ Ayob, Mansor, Haron, Md. Jelas, Ab. Rahman, Mohamad Zaki, Azizi, Susan

    Published 2012
    “…Thermodynamic parameters such as enthalpy change (ΔH°), free energy change (ΔG°), and entropy change (ΔS°) were calculated; the adsorption process was spontaneous and endothermic. The results showed that PAm-g-RWF developed in this study could be an economical and effective adsorbent for application in removal of copper ions from water and wastewater.…”
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    Article
  15. 1155

    Development of erythropoietin receptor-targeted drug delivery system against breast cancer using tamoxifen-loade nanostructured lipid carriers by Beh, Chaw Yee, How, Chee Wun, Foo, Jhi Biau, Foong, Jia Ning, Selvarajah, Gayathri Thevi, Abdullah, Rasedee

    Published 2017
    “…Unlike binding of albumin to TAMNLC, the binding of EPO to TAMNLC occurred through endothermic and entropy-driven reaction. The EPO-TAMNLC formulation was stable because of the hydrophobic interaction and the high free energy, suggesting the spontaneity of the interactions between EPO and TAMNLC. …”
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    Article
  16. 1156

    Equilibrium, kinetics and thermodynamic adsorption studies of acid dyes on adsorbent developed from kenaf core fiber by Tharwani, Intidhar Jabir Idan, Abdullah, Luqman Chuah, Choong, Thomas Shean Yaw, Md. Jamil, Siti Nurul Ain

    Published 2018
    “…Thermodynamic studies indicated that the reactions of Acid Blue-25 and Acid Green-25 dyes were endothermic. It was concluded that QKCF adsorbent can be utilized as an efficient low-cost adsorbent for removal of anionic dyes.…”
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    Article
  17. 1157

    Phosphoric acid modified kenaf fiber (K-PA) as green adsorbent for the removal of copper (II) ions towards industrial waste water effluents by Razak, Muhammad Raznisyafiq, Yusof, Nor Azah, Aris, Ahmad Zaharin, Mohmad Nasir, Hanisah, Haron, Md. Jelas, Ibrahim, Nor Azowa, Johari, Ili Syazana, Kamaruzaman, Sazlinda

    Published 2020
    “…The enthalpy, entropy Gibbs free energy values show the adsorption fitted with non-spontaneous and endothermic reaction. The optimal desorption process was determined during the exposure with 1 M of hydrochloric acid (95.41%) followed by sulphuric acid (82.31%) and nitric acid (81.25%). …”
    Article
  18. 1158

    Oxygen-rich ultramicroporous activated carbon for boosting H2 production via toluene steam reforming: Effect of H2O2-modification and Ni/Co loading by Mohidin Yahya, Hamdya Sabrina, Saidina Amin, Nor Aishah

    Published 2022
    “…The WMSI leads to carbon nanotube formation with tip-growth mechanism and suppresses catalyst deactivation. The reaction is endothermic and non-spontaneous with an ordered system at transition state. …”
    Article
  19. 1159

    Surface modification of banana stem fibers via radiation induced grafting of poly(methacrylic acid) as an effective cation exchanger for Hg(II) by Salamun, N., Triwahyono, S., Jalil, A. A., Majid, Z. A., Ghazali, Z., Othman, N. A. F., Prasetyoko, D.

    Published 2016
    “…Thermodynamic studies illustrated that that the Hg(II) adsorption process was endothermic and non-spontaneous. Spent BSF-β was effectively regenerated with 0.1 M HCl and could be reused without any significance efficiency loss over at least six cycles of adsorption. …”
    Article
  20. 1160

    Twigs-derived activated carbons via H3PO4/ZnCl2 composite activation for methylene blue and congo red dyes removal by Muhamad Zubir, Muhammad Hadzirun, Ahmad Zaini, Muhammad Abbas

    Published 2020
    “…The thermodynamics properties of dye adsorption onto twigs-derived activated carbons indicated that the process is endothermic, spontaneous and favourable at high temperature. …”
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    Article