Academic literature on the topic 'Starch adsorption'

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Journal articles on the topic "Starch adsorption"

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Yang, Li Yan, Yi Hui Guo, and Li Li Yu. "Preparation and Thermodynamics Adsorption Performance of Cobalt Ions on the Crosslinked Starch Microspheres." Advanced Materials Research 726-731 (August 2013): 435–39. http://dx.doi.org/10.4028/www.scientific.net/amr.726-731.435.

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A type of cross-linking starch microspheres (CSMs) has been synthesized by reversed phase suspension method using soluble starch as raw material. Crosslinked starch microsphere has good adsorption performance to metal ions in water. The static adsorption behaviors of Co2+on the cross-linked starch microspheresand were investigated. The CSMs and its adsorption product were comparatively characterized by Fourier Transform Infrared Spectroscopy (FTIR). The adsorption behaviour of CSMs in different temperatures is in agreement with the Freundlich isothermal equation and isothermal equation of Lang
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Huo, Xiao Ping, Fang Wang, Deng Deng, and Lei Wang. "Adsorption of Methylene Blue on Starch Microsphere from Aqueous Solutions." Advanced Materials Research 557-559 (July 2012): 1109–12. http://dx.doi.org/10.4028/www.scientific.net/amr.557-559.1109.

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In order to resolve the pollution of coloured wastewater, starch microsphere was used to absorb methylene blue from aqueous solutions in this paper. Starch microsphere is artificial starch derivative, can be synthesized by cross-linking reaction from crude starch and modified starch. The cross-linked starch microsphere was prepared from soluble starch and N, N'-methylenebisacrylamide, and starch microsphere has characteres of irregular appearance, uniform size, suitable swelling, three-dimensional network structure, suitable shell pore diameter and specific surface area, good mechanical intens
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Wang, Xu Man, and Cai Ning Zhang. "Study on Adsorption of Methylene Blue by Sarch-g-Polyacrylamide." Advanced Materials Research 881-883 (January 2014): 1175–78. http://dx.doi.org/10.4028/www.scientific.net/amr.881-883.1175.

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By means of grafting polymerization, cross-linked starch-g-polyacrylamide (starch-g-PAM) was prepared and used to adsorb methylene blue (MB). Adsorption isotherm and kinetic of the sorption process were studied. The experimental results demonstrated that the prepared starch-g-PAM was an effective adsorbent for removal of MB from aqueous solution. The adsorption of MB by starch-g-PAM was Freundlich type, and the adsorption equation was caculated to be . Furthermore, the adsorption kinetics analysis demonstrated that the adsorption process followed the pseudo-second-order model.
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Zhang, Cai Ning, and Xu Man Wang. "Study on the Adsorption of Methylene Blue by Starch-G-Poly(acrylic Acid)." Applied Mechanics and Materials 178-181 (May 2012): 400–405. http://dx.doi.org/10.4028/www.scientific.net/amm.178-181.400.

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By using grafting reaction, starch-g-poly (acrylic acid) (starch-g-PAA) hydrogel was prepared and used to adsorb methylene blue (MB). Adsorption isotherm and kinetic of the sorption process were studied. Meanwhile, various thermodynamic parameters were calculated. The absorption experimental results demonstrate that the prepared starch-g-PAA is an effective adsorbent for removal of MB from aqueous solution. The adsorption of MB by starch-g-PAA is Freundlich type. Furthermore, the adsorption kinetics analyze demonstrates that the adsorption process follows the pseudo-second-order model, and the
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Leloup, V. M., P. Colonna, and S. G. Ring. "?-Amylase adsorption on starch crystallites." Biotechnology and Bioengineering 38, no. 2 (1991): 127–34. http://dx.doi.org/10.1002/bit.260380204.

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Guo, Jing, Jiankun Wang, Guo Zheng, and Xiaodong Jiang. "Optimization of the removal of reactive golden yellow SNE dye by cross-linked cationic starch and its adsorption properties." Journal of Engineered Fibers and Fabrics 14 (January 2019): 155892501986526. http://dx.doi.org/10.1177/1558925019865260.

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In this study, cross-linked cationic starch was synthesized with corn starch as a raw material, epichlorohydrin as a cross-linked agent, and 3-chloro-2-hydroxypropyl trimethylammonium chloride as a cationic etherification agent, respectively, and it was characterized by X-ray photoelectron spectroscopy, X-ray powder diffraction, scanning electron microscopy, and thermogravimetry. The X-ray photoelectron spectroscopy results showed that cationic N appeared on the surface of cross-linked cationic starch; that is, a quaternary ammonium group was introduced. The X-ray powder diffraction results in
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Hu, Xianchun, and Xianfeng Du. "Adsorption of Tea Polyphenols using Microporous Starch: A Study of Kinetics, Equilibrium and Thermodynamics." Molecules 24, no. 8 (2019): 1449. http://dx.doi.org/10.3390/molecules24081449.

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Microporous starch (MPS) granules were formed by the partial hydrolysis of starch using α–amylase and glucoamylase. Due to its biodegradability and safety, MPS was employed to adsorb tea polyphenols (TPS) based on their microporous characteristics. The influences of solution pH, time, initial concentration and temperature on the adsorptive capacity were investigated. The adsorption kinetics data conformed to the pseudo second–order kinetics model, and the equilibrium adsorption data were well described by the Langmuir isotherm model. According to the fitting of the adsorption isotherm formula,
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Zhao, Yang, and Jian Wei Ren. "Study on Synthesis of Starch Based Polymer Microspheres and Adsorption Behavior for Lead Ions." Advanced Materials Research 1004-1005 (August 2014): 311–14. http://dx.doi.org/10.4028/www.scientific.net/amr.1004-1005.311.

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The starch based polymer microspheres were synthesized in the system of the inverse emulsion polymerization. These polymer microspheres were characterized by Scanning Electron Microscope and Grain Size Analyzer. Adsorption behavior of starch based polymer microspheres for Pb2+ was investigated by atomic absorption spectrophotometry. The results showed that the average particle diameter of starch based polymer microspheres was about 43.9 μm, and surface of starch microsphere was rough and porous which could be beneficial to form adsorption layer. And the starch based polymer microsphere exhibit
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Du, Yuan Yuan, Hai Hong Fang, and Peng Wu Zheng. "Porous Sepiolite/Starch Composites:Preparation, Structure and Absorption Properties." Advanced Materials Research 634-638 (January 2013): 1937–42. http://dx.doi.org/10.4028/www.scientific.net/amr.634-638.1937.

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The porous nanocomposites consisting of starch and sepiolite were prepared by a solvent exchange technique, i.e. replacing ice crystals in frozen sepiolite/starch gel with ethanol. The influence of sepiolite contents on pore size, apparent density, moisture adsorption, oil adsorption capacity and dye adsorption of porous sepiolite/starch composites (SPPSs) was investigated. The addition of sepiolite reduced pore size, apparent density and moisture adsorption of SPPSs. The oil adsorption and the methylene blue adsorption of SPPSs could respectively reach 10.1 g/g and 2.07 mg g-1 at the maximal,
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Borchert, Konstantin B. L., Rahma Boughanmi, Berthold Reis, et al. "Removal of Lead, Cadmium, and Aluminum Sulfate from Simulated and Real Water with Native and Oxidized Starches." Polysaccharides 2, no. 2 (2021): 429–53. http://dx.doi.org/10.3390/polysaccharides2020027.

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The separation of toxic pollutants such as Pb2+, Cd2+, and Al3+ from water is a constant challenge as contamination of natural water bodies is increasing. Al3+ and especially Pb2+ and Cd2+ are ecotoxic and highly toxic for humans, even in ppb concentrations, and therefore removal below a dangerous level is demanding. Herein, the potential adsorber material starch, being ecofriendly, cheap, and abundantly available, was investigated. Thus, four different native starch samples (potato, corn, waxy corn, and wheat starch) and two oxidized starches (oxidized potato and corn starch) were comprehensi
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Dissertations / Theses on the topic "Starch adsorption"

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Woodrow, Sandra. "Starch granule resistance to hydrolysis by #alpha#-amylase." Thesis, University of Nottingham, 1998. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.267672.

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Gutkowski, Sarah. "Water-in-oil and oil-in-water emulsions stabilized by octenylsuccinic anhydride modified starch and adsorption of modified starch at emulsified oil/water interfaces." Thesis, Kansas State University, 2016. http://hdl.handle.net/2097/32842.

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Master of Science<br>Department of Grain Science and Industry<br>Yong Cheng Shi<br>Emulsions are utilized to help control phase separation and are found in many products ranging from food to pharmaceuticals. Because of the hydrophobic properties of its functional group, octenylsuccinic anhydride (OSA) modified starch is commonly used in oil in water (o/w) emulsions. The first objective of this study was to investigate if OSA modified starch could be used in water in oil (w/o) emulsions. Experiments were designed to determine the effects of concentrations of OS starch, mineral oil and water on
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Celebi, Ipek. "Color Formation In Wheat Starch Based Glucose Syrups And Use Of Activated Carbons For Sugar Decolorization." Master's thesis, METU, 2006. http://etd.lib.metu.edu.tr/upload/12607270/index.pdf.

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Glucose syrups were produced from wheat starch at 45-90 min liquefaction times followed by 18 h saccharification to study the effect of liquefaction time on color formation and the use of several amounts (0.25%-1%) and types (NORIT, commercial<br>and hazelnut husk, apricot stone, hazelnut shell based<br>prepared in Chemical Engineering Department) of activated carbons for color removal. The fractional conversion values and color levels of glucose syrups increased with increasing liquefaction time. However, to reduce the color level to 100 ICUMSA units, the smallest amount of all types of activ
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Molaei, Aysan. "Effect Of Carbonate Alkalinity On The Flocculation Behavior Of Hematite." Master's thesis, METU, 2012. http://etd.lib.metu.edu.tr/upload/12614506/index.pdf.

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As high grade iron ore deposits are rapidly depleted, the minerals industry is increasingly obliged to enrich their ores and process lower grade iron ores. Production of large quantities of fine ores as tailings or by-products in mining operations and mineral liberation at fine particle sizes have led to the development of concentration methods employed to fine ores. Selective flocculation is one of the beneficial methods which can be used in recovering of very fine particles It is obvious that process water chemistry has a significant influence on the flocculation efficiency, and the water ch
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Kartal, Önder. "The role of interfacial and 'entropic' enzymes in transitory starch degradation : a mathematical modeling approach." Phd thesis, Universität Potsdam, 2011. http://opus.kobv.de/ubp/volltexte/2011/5394/.

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Plants and some unicellular algae store carbon in the form of transitory starch on a diurnal basis. The turnover of this glucose polymer is tightly regulated and timely synthesis as well as mobilization is essential to provide energy for heterotrophic growth. Especially for starch degradation, novel enzymes and mechanisms have been proposed recently. However, the catalytic properties of these enzymes and their coordination with metabolic regulation are still to be discovered. This thesis develops theoretical methods in order to interpret and analyze enzymes and their role in starch degradatio
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Bandeira, Estela Iara. "Desenvolvimento e caracterização de micropartículas de amido reticuladas com agente fosfatado e avaliação da adsorção do azul de metileno." Universidade Tecnológica Federal do Paraná, 2016. http://repositorio.utfpr.edu.br/jspui/handle/1/1774.

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CAPES<br>O amido é obtido das mais diversas fontes renováveis e tem características que o tornam um dos biopolímeros mais estudados na atualidade. Além da alta disponibilidade e do baixo custo de obtenção, é biodegradável, biocompatível, estável e não tóxico. A essência deste trabalho está na síntese de micropartículas de amido solúvel e fécula de mandioca comercial, através de modificação química por reticulação com o agente tripolifosfato de sódio nas concentrações 7,5 e 15% (m/m), e posterior caracterização físico-química, morfológica, superficial, espectroscópica, estrutural e térmica. O c
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Rakotomalala, Robinson Mbolantenaina. "Synthèse, propriétés physicochimiques et réactivité vis-à-vis de l’arsenic (III) et (V) de nanoparticules de magnétite fonctionnalisées par de l’amidon." Electronic Thesis or Diss., Université de Lorraine, 2019. http://www.theses.fr/2019LORR0290.

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Ce travail de thèse a porté sur la synthèse de nanoparticules de magnétite Fe3O4 fonctionnalisées par de l’amidon avec comme objectif final une application dans l’élimination de l’arsenic (III) et (V) dans les eaux. Deux méthodes de synthèse « one pot » ont été appliquées et l’influence du rapport massique R = mamidon/mfer sur les propriétés physicochimiques et la réactivité de la magnétite a été systématiquement étudiée. La première méthode de synthèse repose sur l’oxydation partielle du fer (II) suivi de la coprécipitation du fer (II) et du fer (III) et la deuxième méthode, sur la coprécipit
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Noisuwan, Angkana. "Effects of milk protein ingredients on physico-chemical properties of rice starch : a thesis presented in partial fulfilment of the requirements for the degree of Doctor of Philosophy in Food Technology at Massey University Palmerston North, New Zealand." Massey University, 2009. http://hdl.handle.net/10179/905.

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The overall aim of this thesis is to determine if the interactions between normal and waxy rice starch and milk proteins from four milk protein ingredients, namely skim milk powder (SMP), milk protein concentrate (MPC), sodium caseinate (NaCAS) and whey protein isolate (WPI) do occur, and to identify the mechanisms underlying these interactions. Different milk protein ingredients at various concentrations (0 to 10%, w/w) affected markedly and differently the pasting behaviour of 10% (w/w) rice starches. SMP delayed the pasting of both rice starches by increasing the onset temperature (Tonset)
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Erik, Johansson. "Molecular Interactions in Thin Films of Biopolymers, Colloids and Synthetic Polyelectrolytes." Doctoral thesis, KTH, Fiberteknologi, 2011. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-41023.

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The development of the layer-by-layer (LbL) technique has turned out to be an efficient way to physically modify the surface properties of different materials, for example to improve the adhesive interactions between fibers in paper. The main objective of the work described in this thesis was to obtain fundamental data concerning the adhesive properties of wood biopolymers and LbL films, including the mechanical properties of the thin films, in order to shed light on the molecular mechanisms responsible for the adhesion between these materials. LbLs constructed from poly(allylamine hydrochlori
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Ip, Alexander. "Interactions between DNA and starch nanoparticles: adsorption and covalent attachment." Thesis, 2013. http://hdl.handle.net/10012/7691.

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Biopolymers have been recently received more and more attention as a renewable substitute for traditional petroleum-based materials. Products made from petroleum-based materials typically cannot be recovered, with long term ramifications in sustainability and environmental concerns. Biopolymers such as starch are renewable, environmentally-friendly alternatives which have found additional use beyond their traditional roles as food substances as a biopolymer material, replacing their petroleum-based counterparts with comparable physical properties but also featuring long-term sustainable use. O
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Books on the topic "Starch adsorption"

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Bobacka, Veronica. Interactions between cationic starch and components of a peroxide-bleached thermomechanical pulp. Åbo Academy Press, 2001.

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Naraian, Prakash. Evaluation of a streaming current detector to measure cationic starch adsorption on papermaking fibers and fines. 1998.

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Cates, M. Complex fluids: the physics of emulsions. Oxford University Press, 2017. http://dx.doi.org/10.1093/oso/9780198789352.003.0010.

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These lectures start with the mean field theory for a symmetric binary fluid mixture, addressing interfacial tension, the stress tensor, and the equations of motion (Model H). We then consider the phase separation kinetics of such a mixture: coalescence, Ostwald ripening, its prevention by trapped species, coarsening of bicontinuous states, and the role of shear flow. The third topic addressed is the stabilization of emulsions by using surfactants to reduce or even eliminate the interfacial tension between phases; the physics of bending energy, which becomes relevant in the latter case, is the
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Sternbach, Marion. Apheresis in the ICU. Oxford University Press, 2016. http://dx.doi.org/10.1093/med/9780199600830.003.0268.

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This chapter describes therapeutic plasma exchange, as well as cytapheresis for hyperleukocytosis and essential thrombocythemia, as well as harvesting haematological stem cells (HSC) for transplantation. Instrumentation and techniques are mostly density centrifugation, much less column adsorption for antibodies or membrane filtration for noxious molecules. Pathophysiology of apheresis is dealt with in great detail with emphasis on prevention and treatment of side effects, much more critical in the intensive care unit (ICU) setting. Main manifestations are: hypocalcaemia due to chelation by ant
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Book chapters on the topic "Starch adsorption"

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Saw, Sudhir Kumar. "Preparation, Characterization, and Adsorption Properties of Poly(DMAEA) - Cross-Linked Starch Gel Copolymer in Wastewater." In Handbook of Composites from Renewable Materials. John Wiley & Sons, Inc., 2017. http://dx.doi.org/10.1002/9781119441632.ch113.

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Kovalenko, Galina, and Larisa Perminova. "Heterogeneous Biocatalysts for the Final Stages of Deep Processing of Renewable Resources into Valuable Products." In Molecular Biotechnology [Working Title]. IntechOpen, 2020. http://dx.doi.org/10.5772/intechopen.89411.

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Heterogeneous biocatalysis is a part of biotechnology and it has commercial potential for industrial implementation, in particular the final stages of deep processing of renewable raw materials. The commercially attractive heterogeneous biocatalysts are prepared by immobilizing practically valuable enzymatic active substances onto solid inorganic supports. Heterogeneous biocatalytic processes of the target conversion of substrate into valuable market product are carried out in periodic or continuous modes using traditional batch and packed-bed reactors, as well as novel types of vortex reactors in accordance with the principles of green chemistry. Heterogeneous biocatalysts for the final stages of deep processing of vegetable raw materials such as starch and oils are described here. One of the biocatalysts is glucoamylase immobilized by adsorption on mesoporous carbon support Sibunit™ type. This glucoamylase-active biocatalyst is used at the stage of starch saccharification, i.e., hydrolysis of dextrin to treacle and glucose syrups used in food and confectionary industries. The second of the biocatalysts is recombinant T. lanuginosus lipase immobilized on mesoporous silica KSK™ type and macroporous carbon aerogel. These lipase-active biocatalysts can effectively compete with traditional organic synthesis catalysts, and they are used in low-temperature processes carried out in unconventional anhydrous media such as interesterification of vegetable oils’ triglycerides with ethyl acetate for producing ethyl esters of fatty acids (biodiesel and vitamin F) and esterification of fatty acids with aliphatic alcohols for synthesis of various esters used as fragrances, flavorings, odors, emollients, and nonionic surfactants in perfume and cosmetics industries. The prepared heterogeneous biocatalysts due to their high enzymatic activity and operational stability are promising for practical implementation.
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Cutler, P. "Chromatography on the basis of size." In Protein Purification Techniques. Oxford University Press, 2001. http://dx.doi.org/10.1093/oso/9780199636747.003.0012.

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Chromatography has been employed for the separation of proteins and other biological macromolecules on the basis of molecular size since the mid 1950s when Lathe and Rutheven employed modified starch as a media for separation. Porath and Flodin developed the technique further using cross-linked dextran and coined the term gel filtration. Some confusion over nomenclature has been created by the term gel permeation, used to describe separation by the same principle in organic mobile phases using synthetic matrices. It is now generally agreed that the terms gel filtration and gel permeation do not accurately reflect the nature of the separation. Size exclusion Chromatography (SEC) has been widely accepted as a universal description of the technique and in line with the IUPAC nomenclature this term will be adopted. The historical development of SEC for protein separation has been reviewed. SEC is a commonly used technique due to the diversity of the molecular sizes of proteins in biological tissues and extracts. In addition to isolating proteins from crude mixtures, SEC has been employed for many roles including buffer exchange (desalting), removal of non-protein contaminants (DNA, viruses), protein aggregate removal, the study of biological interactions, and protein folding. The principle of size exclusion is based on a solid phase matrix consisting of beads of defined porosity which are packed into a column through which a mobile liquid phase flows. The mobile phase has access to both the volume inside the pores and the volume external to the beads. Unlike many other chromatographic procedures size exclusion is not an adsorption technique. Separation can be visualized as reversible partitioning into the two liquid volumes. The elution time is dependent upon an individual protein’s ability to access the pores of the matrix. Large molecules remain in the volume external to the beads as they are unable to enter the pores. The resulting shorter flow path means that they pass through the column relatively rapidly, emerging early. Proteins that are excluded from the pores completely, elute in the void volume, V0. This is often determined experimentally by the use of a high molecular weight component such as blue dextran or calf thymus DNA.
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Vareli, G., P. G. Demertzis, and K. Akrida-Demertzi. "Water and ethanol adsorption on starchy substrates as biomass separation systems." In Food Flavors: Generation, Analysis and Process Influence, Proceedings of the 8th International Flavor Conference. Elsevier, 1995. http://dx.doi.org/10.1016/s0167-4501(06)80229-3.

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Schroeder, Daniel V. "Quantum Statistics." In An Introduction to Thermal Physics. Oxford University Press, 2021. http://dx.doi.org/10.1093/oso/9780192895547.003.0007.

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This chapter begins by extending the Boltzmann distribution to the case of a system that exchanges particles with its environment. This idea finds direct applications ranging from hemoglobin adsorption to ionization of atoms in stars. But the main applications are to dense “gases” in which the quantum behavior of identical particles comes into play. Examples include conduction electrons in metals and semiconductors; white dwarf and neutron stars; photon gases and thermal radiation from incandescent objects; neutrino and electron-positron production in the early universe; quasiparticles associated with vibrations and magnetic excitations in solids; and Bose-Einstein condensation of ultracold clouds of atoms.
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Kumar, A. "Structural Modifications of Carbon Nitride for Photocatalytic Applications." In Materials Research Foundations. Materials Research Forum LLC, 2021. http://dx.doi.org/10.21741/9781644901359-10.

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The current research on photocatalysis is totally focused on the designing and innovation of various low cost materials. For an efficient photocatalyst, there are some aspects which are to be assessed before practical use, such as optical activity, thermal and chemical stability, easy and availability of raw material, biocompatibility, etc. Fortunately, g-C3N4 offers most of these qualities to behave as a star photocatalyst. g-C3N4 could be easily prepared from low cost precursor materials such as urea, melamine, cyanimide and dicyandiamide by simple thermal treatment. Furthermore, larger surface area and two-dimensional planar conjugation structure of g-C3N4 can provide a large platform for anchoring various substrates. Various researchers have utilized g-C3N4 for varieties of applications such as green energy production, energy storage devices, biomedical application, wastewater treatment via photocatalysis and adsorption, photo sensors, etc. Although there are some disadvantages associated with use of g-C3N4 when utilized for various applications. To overcome such hitches various structural modifications have been applied to g-C3N4. The current chapter summarizes a wide mode of applications of g-C3N4 along with various structural modifications which were recently applied to improve the photocatalytic efficacy.
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Conference papers on the topic "Starch adsorption"

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Jatmiko, Tri Hadi, Crescentiana D. Poeloengasih, Dwi Joko Prasetyo, and Hernawan. "Modelling of moisture adsorption for sugar palm (Arenga pinnata) starch film." In PROCEEDINGS FROM THE 14TH INTERNATIONAL SYMPOSIUM ON THERAPEUTIC ULTRASOUND. Author(s), 2017. http://dx.doi.org/10.1063/1.4978080.

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WANG, Xu-man, Cai-ning ZHANG, and Wen-yi DAI. "Study on the adsorption of crystal violet by starch-g-poly (acrylic acid)." In The 2015 International Conference on Materials Engineering and Environmental Science (MEES2015). WORLD SCIENTIFIC, 2016. http://dx.doi.org/10.1142/9789814759984_0003.

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Zhao, Yang, Yongming Zhang, and Xiaoping Huo. "Synthesis of Anion Starch Polymer Microsphere and Its Adsorption Properties for Metal Ions." In 6th International Conference on Electronic, Mechanical, Information and Management Society. Atlantis Press, 2016. http://dx.doi.org/10.2991/emim-16.2016.34.

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Cao, Xinzhi, Fang Liu, Linlin Li, and Yingqing Zhao. "Study on canna porous starch of high capacity of adsorption for oil with double enzymatic method." In 2013 International Conference on Advanced Materials and Information Technology Processing. WIT Press, 2014. http://dx.doi.org/10.2495/amitp130351.

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Sarifudin, Achmat, Siriwat Soontaranon, Supagorn Rugmai, and Sunanta Tongta. "Effect of storage humidity on the structural, morphological properties and water adsorption capacity of ethanol-treated starch." In SolarPACES 2017: International Conference on Concentrating Solar Power and Chemical Energy Systems. Author(s), 2018. http://dx.doi.org/10.1063/1.5064341.

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Rebouh, Samia, Mounir Bouhedda, Sonia Lefnaoui, Madiha M. Yahoum, and Salah Hanini. "Adaptive Neuro-Fuzzy Inference System for Modeling the Cephalexin (CFX) Adsorption on the Octenyl Succinic Anhydride Starch." In 2018 International Conference on Applied Smart Systems (ICASS). IEEE, 2018. http://dx.doi.org/10.1109/icass.2018.8652072.

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Grzebielec, Andrzej, Adam Szelągowski, and Adam Ruciński. "Energy Recovery Methods in Adsorption Refrigeration Units." In Environmental Engineering. VGTU Technika, 2017. http://dx.doi.org/10.3846/enviro.2017.256.

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Adsorption refrigeration systems, as opposed to absorption type operate in a cyclic manner. The result is that at the beginning of each process must be fed into the adsorber state in which they will adsorb or desorb a refrigerant. In the case of two adsorbers at the start of a cycle, the one of the adsorber must be refrigerated while the second has to be heated. These processes are causing unnecessary energy loss. The aim of the work is to show how these processes can be connected and the heat received from one adsorber is transported to another adsorber. As part of the study, the heat and mas
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Devarakonda, Maruthi, Russell Tonkyn, Diana Tran, Jong H. Lee, and Darrell Herling. "Modeling Competitive Adsorption in Urea-SCR Catalysts for Effective Low Temperature NOx Control." In ASME 2010 International Mechanical Engineering Congress and Exposition. ASMEDC, 2010. http://dx.doi.org/10.1115/imece2010-39977.

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Although the SCR technology exhibits higher NOx reduction efficiency over a wider range of temperatures among the lean NOx reduction technologies, further improvement in low-temperature performance is required to meet the future emission standards and to lower the system cost. In order to improve the catalyst technologies and optimize the system performance, it is critical to understand the reaction mechanisms and catalyst behaviors with respect to operating conditions. For example, it is well known that the ammonia coverage on catalyst surface is critical for NOx reduction efficiency. However
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Cayan, Fatma N., Suryanarayana R. Pakalapati, Francisco Elizalde-Blancas, and Ismail Celik. "A Phenomenological Model for Degradation of Solid Oxide Fuel Cell Anodes Due to Impurities in Coal Syngas." In ASME 2009 7th International Conference on Fuel Cell Science, Engineering and Technology. ASMEDC, 2009. http://dx.doi.org/10.1115/fuelcell2009-85177.

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A new phenomenological one-dimensional model is formulated to simulate the typical degradation patterns observed in Solid Oxide Fuel Cell (SOFC) anodes due to coal syngas contaminants such as arsenic (As) and phosphorous (P). The model includes ordinary gas phase diffusion including Knudsen diffusion and surface diffusion within the anode and the adsorption reactions on the surface of the Ni-YSZ based anode. Model parameters such as reaction rate constants for the adsorption reactions are calibrated to match the degradation rates reported in the literature. Preliminary results from implementat
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Ghorbani, N., M. C. Wilson, N. Kapur, N. Fleming, and A. Neville. "Carbon Nanotubes: A New Methodology for Enhanced Squeeze Lifetime CNTs." In SPE International Oilfield Scale Conference and Exhibition. SPE, 2014. http://dx.doi.org/10.2118/spe-169763-ms.

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Abstract A new potential application of nanotechnology for mineral scale prevention in the oil and gas industry is presented. In current squeeze treatments, in which scale inhibitors are squeezed into wells to adsorb or precipitate onto rock surfaces for later release, a large proportion of the injected inhibitor does not adsorb and is therefore returned very quickly from the reservoir upon well re-start. Here it is demonstrated that nano-particles have the potential to enhance squeeze lifetime by greatly increasing the adsorption of inhibitors within the formation. An extensive literature rev
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