Relevant bibliographies by topics / Isosteric method

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  1. Journal articles
  2. Dissertations / Theses
  3. Book chapters
  4. Conference papers

Academic literature on the topic 'Isosteric method'

Author: Grafiati
Published: 25 May 2024
Last updated: 31 July 2025

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Journal articles on the topic "Isosteric method"

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Zheng, Qing Rong, Shuai Gao, and Chen Jie. "Determination of the Isosteric Heat of Adsorption of Hydrogen on the Multi-Walled Carbon Nanotubes." Advanced Materials Research 512-515 (May 2012): 1484–91. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.1484.

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The isosteric heat of adsorption was used to study the interaction between hydrogen molecules and the Multi-Walled Carbon Nanotubes (MWCNTs). Characterizations of the MWCNTs sample were carried out based on the N2 adsorption isotherm at 77 K and the images from TEM and HRTEM. Step by step method was used to volumetrically measure hydrogen adsorption isotherms at equilibrium temperature-pressures from 123-310 K and 0-12.3 MPa. Isosteric heats of adsorption at seven excess adsorption amounts and that at zero surface loading were respectively determined by the slopes of the adsorption isosteres a
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Giraldo, Liliana, Paola Rodriguez-Estupiñán, and Juan Carlos Moreno-Piraján. "Isosteric Heat: Comparative Study between Clausius–Clapeyron, CSK and Adsorption Calorimetry Methods." Processes 7, no. 4 (2019): 203. http://dx.doi.org/10.3390/pr7040203.

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This work presents the calorimetric study of five adsorbents with different chemical and textural characteristics: MOF-199, MCM-41, SBA-15, activated carbon prepared from corn cob (GACKP) and graphite. These solids were used to establish the differences between isosteric heats evaluated by three different methods: Clausius–Clapeyron (C-C), Chakraborty, Saha and Koyama (CSK) and Adsorption Calorimetry (A-Cal). The textural characterization results show solids that have values of specific surface area between 2271 m2·g−1 for the MOF-199 and 5.2 m2·g−1 for the graphite. According to the results o
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Yonova, Albena. "Experimental studies on equilibrium adsorption isosteres and determination of the thermodynamic quantities of polar media on alumina Al2O3." Acta Scientifica Naturalis 4, no. 1 (2017): 34–45. http://dx.doi.org/10.1515/asn-2017-0006.

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Abstract The present work is a revieif of theoretical and experimental study on the adsorption performance of the adsorbent Alumina (Al2O3) used in the adsorption system. An experimental investigation on the equilibrium adsorption isosteres at low pressure (< 1 atm) of working pairs Al2O3/H2O and Al2O3/C2H6O2 is carried out. The isovolume measurement method is adopted in the test setup to directly measure the saturated vapor pressures of working pairs at vapor-liquid equilibrium (dG=0 and dμi=0). Quantity adsorbed is determined from pressure, volume and temperature using gas law. The isoste
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Štencl, Jiří. "Effect of temperature and water activity on heat transfer in parsley leaves in the range of temperatures 10–30 °C." Acta Universitatis Agriculturae et Silviculturae Mendelianae Brunensis 55, no. 5 (2007): 181–86. http://dx.doi.org/10.11118/actaun200755050181.

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The equilibrium moisture contents of parsley leaves were measured by the gravimetric dynamic method with continuous recording of changes in sample weight. Consequently water activity values were determined. Henderson equation was found to be a good model both for moisture adsorption and desorption. Isosteric heat of sorption was defined and determined in the temperature range of 10–30 °C. Clausius-Clapeyron equation was used to calculate the isosteric heat of sorption since no dependence on temperature in the analysed range was observed. The isosteric heats of sorption (qnst) were indicated gr
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Li, Dong. "Study on the Calculation method of the Coal and Gas Outburst Threshold." International Journal of Innovative Research in Advanced Engineering 10, no. 02 (2023): 10–17. http://dx.doi.org/10.26562/ijirae.2023.v1002.01.

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The four undetermined parameters of the temperature-pressure-adsorption equation (TPAE) were obtained by regression of the series isothermal adsorption data of the measured middle-rank deformed coal and normal coal. The unit isosteric adsorption enthalpy (UIAE) was obtained. According to the negative value of the UIAE, adsorption is an exothermic process, desorption is an endothermic process. The coal and gas outburst threshold (OT) is defined as the product of the firmness coefficient and the unit isosteric desorption enthalpy (UIDE) to show the combined effect of adsorption thermodynamics an
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Kloutse, A. F., R. Zacharia, D. Cossement, et al. "Isosteric heat of hydrogen adsorption on MOFs: comparison between adsorption calorimetry, sorption isosteric method, and analytical models." Applied Physics A 121, no. 4 (2015): 1417–24. http://dx.doi.org/10.1007/s00339-015-9484-6.

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Cavalcante, Maisa D., Geovana R. Plácido, Daniel E. C. de Oliveira, Bheatriz S. M. de Freitas, Caroline Cagnin, and Déborah de S. Oliveira. "Isotherms and isostatic heat of foam-mat dried yellow mombin pulp." Revista Brasileira de Engenharia Agrícola e Ambiental 22, no. 6 (2018): 436–41. http://dx.doi.org/10.1590/1807-1929/agriambi.v22n6p436-441.

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ABSTRACT Yellow mombin has high nutritional value but is very perishable. Foam mat drying is a method that has been widely used to preserve liquid and semi-solid powdered foods. In this context, the aim of this study was to determine desorption isotherms and isosteric heat of yellow mombin (Spondias mombin L.) foam for different conditions of temperature and water activity. Powdered yellow mombin pulp was obtained by drying in forced-air oven regulated to 60 ° C. The indirect static method was used to determine the isotherms and isosteric heat, whereas water activity (aw) was determined using
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Liu, Xiu Ying, Wei Guo Sun, Zhi Qin Fan, and Li Ying Zhang. "Adsorption of Methane on Several Zeolites by Monte Carlo Method." Advanced Materials Research 512-515 (May 2012): 1353–57. http://dx.doi.org/10.4028/www.scientific.net/amr.512-515.1353.

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Grand Canonical Monte Carlo (GCMC) method is employed to simulate the adsorption of methane in several nanoporous zeolites. Adsorption isotherms over the temperature 177-398K and the pressure 0-12MPa are simulated. And their adsorption capacities of methane in these zeolites at different temperatures and pressures are also compared. The results show that: (1) the methane uptake is in the order of LTA>MOR>MFI at the same condition. The isosteric heat can support this conclusion: the value of isosteric heat in LTA is the largest, intermediate in MOR and the least in MFI. (2) The effects of
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Tautz, Markus, César Saldías, Antonio Diego Lozano-Gorrín, and David Díaz Díaz. "Use of a bis-1,2,3-triazole gelator for the preparation of supramolecular metallogels and stabilization of gold nanoparticles." New Journal of Chemistry 43, no. 35 (2019): 13850–56. http://dx.doi.org/10.1039/c9nj03427g.

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Poyet, Stéphane, Gaëtan Touzé, Jean-Luc Adia, Laurent Charpin, and Sylvie Michel-Ponnelle. "A simple method to measure the isosteric energy of adsorption." Cement and Concrete Research 147 (September 2021): 106520. http://dx.doi.org/10.1016/j.cemconres.2021.106520.

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Dissertations / Theses on the topic "Isosteric method"

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Benchaabane, Mohammed-El Amine. "Etude des propriétés d'absorption de nouveaux absorbants innovants à base de matériaux hybrides poreux : application à la séparation de gaz." Electronic Thesis or Diss., Aix-Marseille, 2022. http://www.theses.fr/2022AIXM0323.

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Le contexte de cette étude concerne la séparation propène/propane, revendiquée comme un défi technique et énergétique dans l’industrie. La difficulté est principalement due à la forte similarité des propriétés physique et chimique des molécules en jeu. Pour y remédier, nous nous sommes intéressés à évaluer les performances d’adsorption vis-à-vis de ces gaz, en termes de capacité et de sélectivité d’un éventail de matériaux poreux (zéolithes et ZIFs). À cette fin, une étude complète, à la fois sur l’aspect thermodynamique et cinétique, des propriétés d’adsorption sur les zéolithes de type A, pu
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Hilding, Jenny Marie. "Characterization and Applications of Multiwalled Carbon Nanotubes." UKnowledge, 2004. http://uknowledge.uky.edu/gradschool_diss/303.

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Multiwalled carbon nanotubes (MWNTs) have attracted great interest during thelast decade due to their possession of a unique set of properties. In addition totheir strength, MWNTs have well defined morphologies, with large aspect ratiosand pores in the meso range, and intriguing transport properties, such as highelectrical and thermal conductivity.We are interested in how variations in the MWNT morphology affect areas ofpossible engineering applications. We have identified morphology as a criticalelement for the performance of MWNTs in engineering applications. Specificareas studied and report
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(8086712), Lee M. Stunkard. "UNVEILING ENZYMATIC MECHANISMS WITH MALONYL-THIOESTER ISOSTERES." Thesis, 2019.

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Malonyl-thioesters are reactive at the thioester carbonyl and the carboxylate moieties, as seen in acyl transfer or hydrolysis and decarboxylation. Enzymes use these reactive centers to perform different enzyme chemistry throughout metabolism. This enzyme chemistry coupled with the inherent reactivity of malonyl-thioesters makes structure-function studies difficult. When malonyl-thioesters are used for structure-function studies, it usually results in a hydrolyzed or decarboxylated product. There are examples, however, where this is overcome, many of which are discussed throughout this thesis.
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Book chapters on the topic "Isosteric method"

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Mtori, Samia, Amira Touil, and Fethi Zagrouba. "Desorption Isotherms and Thermodynamic Properties of Prickly Pear Seeds." In Advances in the Modelling of Thermodynamic Systems. IGI Global, 2022. http://dx.doi.org/10.4018/978-1-7998-8801-7.ch004.

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Sorption isotherms of prickly pear seeds were determined by static gravimetric method at temperatures 45º, 60º, and 70ºC, over a relative moisture range of 5-95%. Sorption isotherms are important to define dehydration limits of the product, estimate moisture content alterations under environment conditions, and to acquire moisture content values for safe storage. Four mathematical models were applied to analyze the experimental data. Equilibrium moisture contents of prickly pear seeds decreased with temperature increment at a constant value of relative humidity. The GAB model showed the best f
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Byerly-Duke, Jacob, Emily A. O’Brien, Brendan J. Wall, and Brett VanVeller. "Thioimidates provide general access to thioamide, amidine, and imidazolone peptide-bond isosteres." In Methods in Enzymology. Elsevier, 2024. http://dx.doi.org/10.1016/bs.mie.2024.04.012.

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Lalithamba, H. S., G. K. Prashanth, Aisha Siddekha, M. Ramya, and G. Nagendra. "Synthetic Strategies and Biomedical Applications of Tetrazoles." In Advances in Chemical and Materials Engineering. IGI Global, 2025. https://doi.org/10.4018/979-8-3693-7267-8.ch010.

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The present chapter Tetrazoles: synthetic strategies and Biomedical applications reveals different synthetic protocols for the preparation of tetrazoles. A standard aside, nitrile condensation route to metal-catalyzed condensation route, including the greener approaches and ionic liquid mediated approaches were discussed further these tetrazoles are considered on bio isosteres of carboxylic and found various applications in pharma and medicine and exhibit catalytic activities in organic Synthesis. Various methods limit the role of NaN3 and emissions the alternate protocol for the construction
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McCash, Elaine M. "Adsorption and desorption." In Surface Chemistry. Oxford University Press, 2001. http://dx.doi.org/10.1093/hesc/9780198503286.003.0003.

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This chapter examines adsorption and desorption. There are several possible outcomes when an atom or a molecule hits a surface, including elastic and inelastic scattering. However, the outcome of an atomic or a molecular collision that results in the retention of the molecule on the surface is of far greater importance to the study of surface chemistry. There are two types of interactions that can occur: physical adsorption (or physisorption) and chemisorption. In each case, the atom or molecule being adsorbed on the surface is usually described as the adsorbate; the adsorbing surface is usual
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Brinson, Robert G., Jennifer T. Miller, Jason D. Kahn, Stuart F. J. Le Grice, and John P. Marino. "Applying Thymine Isostere 2,4-Difluoro-5-Methylbenzene as a NMR Assignment Tool and Probe of Homopyrimidine/Homopurine Tract Structural Dynamics." In Methods in Enzymology. Elsevier, 2016. http://dx.doi.org/10.1016/bs.mie.2015.05.009.

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Conference papers on the topic "Isosteric method"

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Amel, Fedol, and A. Cheriti. "Modelling the Water Sorption Isotherms of Warionia Saharae and determination of sorption heats and drying kinetics." In 21st International Drying Symposium. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7669.

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The hygroscopic equilibrium of Warionia saharae was studied, which allowed getting an idea of ​​the equilibrium water content relative to a given humidity. The results of this study made it possible to have the sorption curves. The results of this study made it possible to obtain the sorption curves necessary for know the storage conditions of the plant and the study of its drying kinetics. The static gravimetric method was used to determine sorption isotherms of Warionia saharae leaves at 30and 40 ◦C and in the range of water activity varying from 0.063 to 0.898. The Gab, Peleg models was fou
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Luna-Flores, Mario, Mariana Gisela Peña-Juarez, Angélica Mara Bello-Ramirez, Javier Telis-Romero, and Guadalupe Luna-Solano. "Moisture sorption isotherms and isosteric heat sorption of habanero pepper (Capsicum chínense) dehydrated powder." In 21st International Drying Symposium. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7637.

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Moisture sorption isotherms of the habanero pepper powder were determined using the Dynamic Vapor Sorption (DVS) method at 20, 25, 35, 45 and 55 °C in a range of water activity from 0.10 to 0.90 at which the processes of drying, packing and storage of habanero pepper are developed. The sorption capacity decreased with increasing temperature at a given water activity and the sorption isotherms showed a sigmoid form (Type II). The hysteresis phenomenon was observed in the sorption isotherms at all temperatures studied and it was more pronounced at temperatures high. The experimental sorption cur
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Collazos-Escobar, Gentil Andres, Nelson Gutiérrez-Guzmán, Henry Alexander Vaquiro-Herrera, and Erika Tatiana Cortes-Macias. "Modeling sorption isotherms and isosteric heat of sorption of roasted coffee beans." In 21st International Drying Symposium. Universitat Politècnica València, 2018. http://dx.doi.org/10.4995/ids2018.2018.7668.

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The aim of this work was determine the sorption isotherms in roasted beans of specialty coffee at temperatures of 25, 30 and 40 °C and water activities between 0.1 and 0.8 using the dynamic dew point method. The experimental sorption data were modeled using 12 different equations to represent the dependence of equilibrium moisture content with aw and temperature. The net isosteric heat of sorption was determined from the experimental sorption data using the Clausius-Clapeyron equation. The Weibull model satisfactorily modeled the effect of the temperature on the hygroscopic equilibrium in roas
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Saha, Bidyut Baran, Kandadai Srinivasan, Anutosh Chakraborty, Khairul Habib, Ibrahim Ibrahim El-Sharkawy, and Shigeru Koyama. "Adsorption Characteristics of Maxsorb-III + Methane Systems by Desorption Experiments." In ASME 2007 International Mechanical Engineering Congress and Exposition. ASMEDC, 2007. http://dx.doi.org/10.1115/imece2007-42941.

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The adsorption isotherms and kinetics of gaseous methane onto highly porous activated carbon (Maxsorb-III) at temperatures ranging from 278 to 333 K and at different equilibrium pressures between 0.1 and 2.0 MPa have been experimentally measured by the desorption method unlike volumetric or thermo-gravimetric apparatus. The thermophysical properties such as skeletal density, BET surface area, pore size, pore volume and the total porosity of Maxsorb-III have been determined. The Dubinin-Astakhov (DA) and Langmuir isotherm models are found to fit well all of the experimental data within the expe
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Yang, Yun, and Shimin Liu. "Quantification of Temperature-Dependent Sorption Kinetics in Shale Gas Reservoirs: Experiment and Theory." In SPE Annual Technical Conference and Exhibition. SPE, 2021. http://dx.doi.org/10.2118/205897-ms.

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Abstract A critical component of natural gas in organic-rich shales is adsorbed gas within organic matter. Quantification of adsorbed gas is essential for reliable estimates of gas-in-place in shale reservoirs. However, conventional high-pressure adsorption measurements for coal on the volumetric method are prone to error when applied to characterize sorption kinetics in shale-gas systems due to limited adsorption capacity and finer pores of shale matrix. An innovated laboratory apparatus and measurement procedures have been developed for accurate determination of the relatively small amount o
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