Bibliografías temáticas / Associative colloids

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Literatura académica sobre el tema "Associative colloids"

Autor: Grafiati
Publicado: 25 de mayo de 2024
Última modificación: 31 de julio de 2025

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Artículos de revistas sobre el tema "Associative colloids"

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Shmotolokha, V. I., and M. F. Holovko. "Dimerizing hard spherocylinders in porous media." Condensed Matter Physics 27, no. 1 (2024): 13607. http://dx.doi.org/10.5488/cmp.27.13607.

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This research focuses on the unique phase behavior of non-spherical patchy colloids in porous environments. Based on the theory of scaled particle (SPT), methods have been refined and applied to analyze the thermodynamic properties of non-spherical patchy particles in a disordered porous medium. Utilizing the associative theory of liquids in conjunction with SPT, we investigated the impact of associative interactions and connections between the functional nodes of particles on the formation of the nematic phase. Calculations of orientational and spatial distributions were conducted, which help
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Mitra-Delmotte, Gargi, and Asoke Nath Mitra. "Softening the “Crystal Scaffold” for Life’s Emergence." Physics Research International 2012 (February 21, 2012): 1–13. http://dx.doi.org/10.1155/2012/232864.

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Del Giudice’s group studies how water can organize on hydrophilic surfaces forming coherent domains (loaning energy from the quantum vacuum), plus quasifree electrons, whose excitations produce cold vortices, aligning to ambient fields. Their electric and magnetic dipolar modes can couple to oscillatory (electric-organic dipoles) and/or rotary (magnetic-mineral dipoles), besides responding to magnetic potentials. Thus, imprinted electromagnetic patterns of catalytic colloids—compared with Cairns-Smith’s “crystal scaffold”—on their structured water partners could have equipped the latter with a
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Sposito, Garrison. "Surface Reactions in Natural Aqueous Colloidal Systems." CHIMIA 43, no. 6 (1989): 169. https://doi.org/10.2533/chimia.1989.169.

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Natural colloids are mixtures of inorganic and organic polymers resulting from weathering processes. These materials include layer-type aluminosilicates, hydrous oxides, and biodegraded organic matter. Regardless of their molecular structure, these polymeric constituents present reactive functional groups of two principal kinds at the colloid/aqueous solution interface: siloxane ditrigonal cavities and inorganic or organic hydroxy groups. The reactive proportion of each kind of functional group at a colloid surface depends on the extent of chemical weathering and the composition of the materia
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Patel, Nirav, Ryan Guillemette, Ratnesh Lal, and Farooq Azam. "Bacterial surface interactions with organic colloidal particles: Nanoscale hotspots of organic matter in the ocean." PLOS ONE 17, no. 8 (2022): e0272329. http://dx.doi.org/10.1371/journal.pone.0272329.

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Colloidal particles constitute a substantial fraction of organic matter in the global ocean and an abundant component of the organic matter interacting with bacterial surfaces. Using E. coli ribosomes as model colloidal particles, we applied high-resolution atomic force microscopy to probe bacterial surface interactions with organic colloids to investigate particle attachment and relevant surface features. We observed the formation of ribosome films associating with marine bacteria isolates and natural seawater assemblages, and that bacteria readily utilized the added ribosomes as growth subst
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Tavakkoli, Ehsan, Erica Donner, Albert Juhasz, Ravi Naidu, and Enzo Lombi. "A radio-isotopic dilution technique for functional characterisation of the associations between inorganic contaminants and water-dispersible naturally occurring soil colloids." Environmental Chemistry 10, no. 4 (2013): 341. http://dx.doi.org/10.1071/en13020.

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Environmental context The fate and behaviour of inorganic contaminants are dominated by soluble complex formation and interactions with naturally occurring colloids. Although the importance of these interactions has long been debated, our understanding of the mobility and bioavailability of contaminant–colloid associations has been hampered by the limitations of common operationally defined analytical techniques. The method developed in this study facilitates a step forward from operationally defined characterisation of the association between contaminants and colloids to a functional characte
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Fernine, Yasmine, Natércia C. T. Martins, Mustapha Taleb, and Tito Trindade. "Surface-Enhanced Raman Spectroscopy of Benzylpenicillin Using Silver Nanocrystals Modified with Moroccan Plant Extracts." Crystals 13, no. 7 (2023): 1105. http://dx.doi.org/10.3390/cryst13071105.

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Green chemical routes for the synthesis of colloidal metal nanocrystals have been of great interest, namely in the context of nanosciences associated with biological applications. Among these methods, the synthesis of metal colloids using medicinal plant extracts originates nanocrystals having surfaces modified with chemical compounds of biological origin, which can be further explored in association with conventional pharmaceutics. In this context, the development of spectroscopic methods that seeks for understanding the potential benefits of using formulations that contain natural compounds
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Heathwaite, Louise, Phil Haygarth, Rachel Matthews, Neil Preedy, and Patricia Butler. "Evaluating Colloidal Phosphorus Delivery to Surface Waters from Diffuse Agricultural Sources." Journal of Environmental Quality 34, no. 1 (2005): 287–98. http://dx.doi.org/10.2134/jeq2005.0287a.

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ABSTRACTColloid‐facilitated phosphorus (P) delivery from agricultural soils in different hydrological pathways was investigated using a series of laboratory and field experiments. A soil colloidal P test was developed that yields information on the propensity of different soils to release P attached to soil colloids. The relationship between turbidity of soil extracts and total phosphorus (TP) was significant (r2 = 0.996, p < 0.001) across a range of agricultural soils, and a strong positive relationship (r2 = 0.86, p < 0.001) was found between “colloidal P” (H2O–CaCl2 extracts) and turb
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Kashy, Babak Kateby, Attila Podolyak, Natalya Makarova, Jarrod E. Dalton, Daniel I. Sessler, and Andrea Kurz. "Effect of Hydroxyethyl Starch on Postoperative Kidney Function in Patients Having Noncardiac Surgery." Anesthesiology 121, no. 4 (2014): 730–39. http://dx.doi.org/10.1097/aln.0000000000000375.

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Abstract Background: Whether intraoperative use of hydroxyethyl starch impairs kidney function remains unknown. The authors thus tested the primary hypothesis that Hextend promotes renal injury in surgical patients. Secondarily, the authors evaluated the dose–outcome relationship, in-hospital and 90-day mortality, and whether the relationship between colloid use and acute kidney injury (AKI) depends on baseline risk for AKI. Methods: The authors evaluated the data of 44,176 adults without preexisting kidney failure who had inpatient noncardiac surgery from 2005 to 2012. Patients given a combin
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Mackay, Raymond A. "Electrochemistry in association colloids." Colloids and Surfaces A: Physicochemical and Engineering Aspects 82, no. 1 (1994): 1–28. http://dx.doi.org/10.1016/0927-7757(93)02610-q.

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Swanton, S. W., and S. Vines. "Equilibrium leach tests: colloid generation and the association of radionuclides with colloids under simulated repository conditions." Colloids and Surfaces A: Physicochemical and Engineering Aspects 217, no. 1-3 (2003): 71–79. http://dx.doi.org/10.1016/s0927-7757(02)00561-7.

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Tesis sobre el tema "Associative colloids"

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Di, Dio Bruno Flavio. "Time-dependent rheology of soft particle glasses." Electronic Thesis or Diss., Université Paris sciences et lettres, 2023. http://www.theses.fr/2023UPSLS026.

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Comportement rhéologique dépendant du temps dans les verres colloïdaux de particules déformablesNous étudions des verres colloïdaux constitués de suspensions denses de particules déformables dans un fluide suspendant. Des exemples pratiques comprennent beaucoup de matériaux pâteux tels que les encres solides, les produits de soins personnels et certaines préparations alimentaires. Ces matériaux se comportent comme des fluides à seuil d’écoulement qui répondent de façon élastique à des petites déformations mais s’écoulent au-delà d’une contrainte seuil. Beaucoup de travaux expérimentaux et théo
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Costalat, Marie. "Structure et mécanisme d’élaboration de biomatériaux par complexation contrôlée de polysaccharides." Thesis, Lyon 1, 2014. http://www.theses.fr/2014LYO10265/document.

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Nos travaux ont porté sur le développement d'une méthode contrôlée de complexation de polyélectrolytes. La complexation est un processus spontané, sous contrôle cinétique et irréversible dans le cas de polysaccharides tels que le chitosane et les polysulfates, essentiellement le sulfate de dextrane ou l'héparine. Une conséquence de ce contrôle cinétique est que l'obtention d'objets de taille colloïdale requiert de travailler à fortes dilutions. De plus, les nanovecteurs obtenus ne sont pas toujours compatibles avec des conditions d'utilisation dans des milieux physiologiques. Le contrôle de l'
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Mattiello, Maddalena. "Structure et dynamique de suspensions concentrées des colloïdes déformables molles avec liaisons associatives accordables." Electronic Thesis or Diss., Paris Sciences et Lettres (ComUE), 2018. https://pastel.hal.science/tel-03360697.

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Les colloïdes déformables sont largement utilisés comme additifs rhéologiques dans de nombreuses formulations, allant des peintures et des revêtements aux cosmétiques. Dans ce travail, nous présentons une nouvelle classe de microgels colloïdaux stimulables par le pH, dont la déformabilité et les interactions attractives inter-particulaires sont ajustables. Les microgels sont constitués d'un réseau de polyélectrolyte réticulé gonflé par l'eau, dont l'élasticité est ajustée à volonté en faisant varier la quantité de monomère réticulant pendant la synthèse. L'introduction de groupes alkyle induit
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Ovchinnikov, O. V., M. S. Smirnov, A. O. Dedikova, B. I. Shapiro, T. S. Shatskikh, and A. N. Latyshev. "Spectral Manifestation of Hybrid Association of Zn0.7Sd0.3S Colloidal Quantum Dots with J-Aggregates of Thiacarbocyanine Dye." Thesis, Sumy State University, 2013. http://essuir.sumdu.edu.ua/handle/123456789/35329.

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Spectral properties of mixtures of Zn0.7Sd0.3S colloidal quantum dots with mean diameter value of 3.5 nm with the molecules of 3,3'-di(γ-sulfopropil)-9-ethyl-4,5,4',5'-dibenzo-thiacarbocyanine betaine pyridine salt (DEC), prepared in gelatin were investigated. The obtained data indicated that the formation of well-luminescent trans-J-aggregates and spectral tuning in the position of the absorption band of DEC and the luminescence band of quantum dots, providing requirements for resonant energy transfer in the hybrid associate are the determinant factors in the increase of the luminescent
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Chambers, Katrin Bella. "Association and Bioavailability of 17β-Estradiol with Soil and Manure Aqueous Dissolved and Colloidal Fractions". Thesis, North Dakota State University, 2014. https://hdl.handle.net/10365/27346.

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Steroidal estrogens in the environment exert toxicological effects at very low concentrations. Furthermore, dissolved and colloidal fractions of soil and manure play an important role in the environmental fate and transport of steroidal estrogens. One objective of this study was to quantify the association of the natural estrogen, 17β-estradiol (E2), with the dissolved fraction and colloidal fraction isolated from liquid swine manure (LSM), soil, and soil+LSM mixtures. The second objective of this study was to evaluate whether the E2 associated with the dissolved fraction/colloidal fraction, d
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Chambers, Katrin Bella. "Association and Bioavailability of 17?-Estradiol with Soil and Manure Aqueous Dissolved and Colloidal Fractions." Thesis, North Dakota State University, 2014. https://hdl.handle.net/10365/27346.

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Steroidal estrogens in the environment exert toxicological effects at very low concentrations. Furthermore, dissolved and colloidal fractions of soil and manure play an important role in the environmental fate and transport of steroidal estrogens. One objective of this study was to quantify the association of the natural estrogen, 17?-estradiol (E2), with the dissolved fraction and colloidal fraction isolated from liquid swine manure (LSM), soil, and soil+LSM mixtures. The second objective of this study was to evaluate whether the E2 associated with the dissolved fraction/colloidal fraction, d
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Audebeau, Etienne. "Fonctionnalisation et réticulation de la polyallylamine par des esters boroniques." Phd thesis, Université Pierre et Marie Curie - Paris VI, 2012. http://pastel.archives-ouvertes.fr/pastel-00733089.

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Le travail de cette thèse consiste à mettre au point des gels stimulables à partir d'un polymère hydrosoluble simple : la polyallylamine. Nous avons choisi d'utiliser la réaction réversible entre les acides boroniques et les diols pour former les points de réticulation (esters boroniques). La formation de ces esters boroniques a été étudiée pour deux systèmes modèles composés d'acide 4-carboxyphénylboronique et de cyclopentanediol ou de glucose. La fonctionnalisation de la polyallylamine est effectuée selon deux méthodes : les fonctions phénylboroniques par une réaction d'amidification via un
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Naderi, Ali. "Polyelectrolytes : Bottle-Brush Architectures and Association with Surfactants." Doctoral thesis, Stockholm : Kemi, Chemistry, Kungliga Tekniska högskolan, 2008. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-4683.

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Arnould, Audrey. "Dispersions acide myristique-hydroxyde de choline : de la compréhension des mécanismes d’auto-association à l’étude des propriétés moussantes et émulsifiantes." Nantes, 2015. https://archive.bu.univ-nantes.fr/pollux/show/show?id=017ad6fd-5557-467c-b9a9-16d36cb991a1.

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Les acides gras extraits de matières premières végétales sont des tensioactifs naturels utilisés dans de nombreuses applications (savons, lubrifiants…). Cependant, leur utilisation reste limitée à cause de leur faible solubilité dans l’eau qui constitue un frein important à leur emploi. La dispersion des acides gras est donc un enjeu majeur tant d’un point de vue fondamental qu’industriel et peut être améliorée par l’ajout de contre-ion. Ainsi, l’objectif de cette thèse est de comprendre l’influence du rapport molaire entre l’acide myristique et un contre-ion organique utilisé pour sa dispersi
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Bastardo, Zambrano Luis Alejandro. "Self assembly of surfactants and polyelectrolytes in solution and at interfaces." Doctoral thesis, KTH, Ytkemi, 2005. http://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-425.

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This thesis focuses on the study of the interactions between polyelectrolytes and surfactants in aqueous solutions and at interfaces, as well as on the structural changes these molecules undergo due to that interaction. Small–angle neutron scattering, dynamic, and static light scattering were the main techniques used to investigate the interactions in bulk. The first type of polymer studied was a negatively charge glycoprotein (mucin); its interactions with ionic sodium alkyl sulfate surfactants and nonionic surfactants were determined. This system is of great relevance for several application
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Libros sobre el tema "Associative colloids"

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1937-, Glass J. E., and American Chemical Society. Division of Polymeric Materials: Science and Engineering., eds. Polymers in aqueous media: Performance through association. American Chemical Society, 1989.

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European Conference on Coal Liquid Mixtures (2nd 1985 London, England). Second European Conference on Coal Liquid Mixtures: A three day symposium organised by the Institution of Chemical Engineers in association with the Institute of Energy and held in London, 16-18 September 1985. Pergamon Press, 1985.

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Capítulos de libros sobre el tema "Associative colloids"

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Tadros, Tharwat F., and Steven Housley. "Use of Associative Thickeners as Rheology Modifiers for Surfactant Systems." In Colloids in Cosmetics and Personal Care. Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527631131.ch5.

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González García, Álvaro. "On the Colloidal Stability of Association Colloids." In Polymer-Mediated Phase Stability of Colloids. Springer International Publishing, 2019. http://dx.doi.org/10.1007/978-3-030-33683-7_7.

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Salhotra, Ripenmeet, Adrian Wong, and Manu L. N. G. Malbrain. "The Place for Starches and Other Colloids." In Rational Use of Intravenous Fluids in Critically Ill Patients. Springer International Publishing, 2023. http://dx.doi.org/10.1007/978-3-031-42205-8_11.

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AbstractThis chapter provides a comprehensive review of synthetic colloids, specifically hydroxyethyl starch (HES) solutions, and their role in resuscitation of critically ill, perioperative, and trauma patients. This chapter addresses various questions, including the crystalloid versus colloid debate, the strengths and weaknesses of different fluid trials and meta-analyses, and the specific situations or patient groups where colloids may have an advantage. This chapter focuses on the results of five major trials that compare the use of crystalloids versus colloids in critically ill patients.
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Tadros, Tharwat F., and Steven Housley. "Use of Associative Thickeners as Rheology Modifiers for Surfactant Systems." In Colloid Stability. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527631193.ch44.

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Ward, Anthony J. I., and Charles du Reau. "Surfactant Association in Nonaqueous Media." In Surface and Colloid Science. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3002-2_4.

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Claesson, Per M., Andra Dedinaite, Róbert Mészáros, and Imre Varga. "Association between Polyelectrolytes and Oppositely Charged Surfactants in Bulk and at Solid/Liquid Interfaces." In Colloid Stability. Wiley-VCH Verlag GmbH & Co. KGaA, 2014. http://dx.doi.org/10.1002/9783527631193.ch37.

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Lyklema, J. "Step-Weighted Random Walk Statistics, as Applied to Association Colloids." In The Structure, Dynamics and Equilibrium Properties of Colloidal Systems. Springer Netherlands, 1990. http://dx.doi.org/10.1007/978-94-011-3746-1_12.

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Takahashi, M., S. Hamaguchi, H. Ito, T. Imae, and T. Nakamura. "Association of block copolymers with dendritic and perfluorinated side chains in solution and at an interface." In Surface and Colloid Science. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b97084.

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Dwiecki, Krzysztof, and Ewa Bąkowska. "The Effects of Association Colloids on Lipid Autoxidation in Bulk Oils." In Lipid Oxidation in Food and Biological Systems. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-87222-9_12.

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Claesson, Per M., Andra Dedinaite, Róbert Mészáros, and Imre Varga. "Association between Polyelectrolytes and Oppositely Charged Surfactants in Bulk and at Solid/Liquid Interfaces." In Colloid Stability and Application in Pharmacy. Wiley-VCH Verlag GmbH & Co. KGaA, 2011. http://dx.doi.org/10.1002/9783527631117.ch11.

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Actas de conferencias sobre el tema "Associative colloids"

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Villeneuve, Pierre, Claire Bourlieu-Lacanal, David McClements, Eric Decker, and Erwann Durand. "Lipid oxidation in emulsions and bulk oils: A review of the importance of micelles." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/lzak8107.

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Lipid oxidation is a major cause of quality deterioration in food or cosmetic products. In these matrices, lipids are often present in a bulk or in emulsified forms. In both systems, the rate, extent and pathway of oxidation are highly dependent on the presence of colloidal structures and interfaces because these are the locations where oxidation normally occurs. In bulk oils, reverse micelles (association colloids) are present and are believed to play a crucial role on lipid oxidation. Conversely, in emulsions, surfactant micelles are present that also play a major role in lipid oxidation p
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Cadix, Arnaud, Steven Meeker, Swati Kaushik, Elodie Haumesser, and Guillaume Ovarlez. "Associative Microgels, New Self Adaptive Systems to Control Fluid Loss in Well Cementing." In Abu Dhabi International Petroleum Exhibition & Conference. SPE, 2021. http://dx.doi.org/10.2118/207472-ms.

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Abstract Fluid loss control additives are critical constituents in a cement slurry formulation to ensure even cement placement and ultimately satisfactory zonal isolation. Many technological options have been developed over the past decades to design fluid loss control additives for cementing. The most popular technologies as of today are either based on water soluble polymers or colloidal particles like latexes. As an alternative approach, in this paper we introduce a new technology based on associative or "sticky" microgels. These microgels are able to associate with one another at elevated
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"Development and Improvement of Organic Salt Solutions of Potassium Citrate As An Environmentally Friendly Completion Fluids for Oil and Gas Wells." In Indonesian Petroleum Association 44th Annual Convention and Exhibition. Indonesian Petroleum Association, 2021. http://dx.doi.org/10.29118/ipa21-e-279.

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This article provides information on the utilization and development of colloidal formulations based on organic potassium citrate, an alternative, environmentally friendly composite fluid that can support the drilling and production of oil and gas wells. The activity started with a laboratory-scale literature study, the formulation and modification of organic potassium citrate, testing the characteristics and performance of liquids, and improving advanced formulations. This completion fluid based on organic potassium citrate has high solubility and good stability to other pollutant particles.
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Tekiner, İsmail Hakkı, Anke Knoblauch, Bahar Özatila, and Murat Ay. "Soft matter physics can set biological clock of industrial food science and (bio)technology." In 4th International Conference. Business Meets Technology. Editorial Universitat Politècnica de València, 2022. http://dx.doi.org/10.4995/bmt2022.2022.15542.

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Tom McLeash (2005), Professor of Natural Philosophy, says that “in science nothing stays the same. This is true not only at the level of discoveries, experiments, and theories, but also for the coherent structures and disciplines of the scientific community itself. A fascinating recent example has been the emergence of the field of ‘soft matter’ from a recognition that problems in polymer science, colloid science, liquid crystals, surfactant systems, foams, and even biological materials must draw on the same experimental and theoretical tools to make progress.” In this paper, we aim to highlig
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Suciu, Claudiu Valentin. "Experimental Investigations on the Nano-Damping Durability." In 2008 Second International Conference on Integration and Commercialization of Micro and Nanosystems. ASMEDC, 2008. http://dx.doi.org/10.1115/micronano2008-70018.

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Connected to the nano-technological development, solid-liquid interfaces have been used to dissipate surface energies, in systems where the solid is liquid-repellent. Such interfaces are able to store, release or transform the mechanical energy. For instance, some modified silicas and zeolites in association with water have been used to build efficient ecological dampers and springs. Regarding this attractive kind of storage and loss of energy, some practical aspects, such as the endurance limits need to be clarified, and measures to augment the nano-damping durability to values required by us
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Almohsin, Ayman, Saad AlMutairi, Bader Alharbi, and Anaam Al-ShaikhAli. "Re-Associated Polymer Particle Gels by In-Situ Nanosilica Gels for Water Shutoff Applications in Fractured Reservoirs." In SPE Conference at Oman Petroleum & Energy Show. SPE, 2024. http://dx.doi.org/10.2118/218501-ms.

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Abstract Re-association of preformed particle gel via colloidal nanosilica is an innovative kind of preformed particle gel of which particles can bond together to form a reinforced bulk gel system after being placed in a fractured having unwanted water production. The objective is to minimize water production of the oil wells by treating the non-productive conductive paths, mainly referred to as reservoir heterogeneity having natural or induced fracture which is connected to water aquifer. The ultimate objective of this research is to evaluate the newly developed systems for water shutoff appl
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Zancan, Maira, Andrea Pires Souto Damin, Jorge Villanova Biazus, and Gabriela Dinnebier Tomazzoni. "POST-NEOADJUVANT CHEMOTHERAPY RECURRENCE IN PATIENTS WITH NODE-POSITIVE BREAST CANCER: INFLUENCE OF DIFFERENT AXILLARY APPROACHES." In XXIV Congresso Brasileiro de Mastologia. Mastology, 2022. http://dx.doi.org/10.29289/259453942022v32s1065.

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Introduction: Breast cancer treatment has drastically changed in recent decades due to a better understanding of the biology of this disease as well as an increase in diagnostic and therapeutic approaches. Axillary dissection (AD) persists as the standard treatment for axillary nodes after neoadjuvant chemotherapy (NAC); however, sentinel lymph node biopsy (SLNB) has become a promising alternative since it could spare the patient from lymphadenectomy-associated morbidity in axillary tumor regression following NAC. Objective: This study aimed to compare the recurrence rates between AD and SLNB
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Selling, Gordon, Milagros Hojilla-Evangelista, and William Hay. "New high performance starch based emulsifiers using amylose inclusion complexes." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/jnph6691.

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High value amylose inclusion complexes can be formed when corn starch (having 70% amylose) is gelatinized in the presence of hydrophobic ligands. As the components cool, the amylose wraps around the ligand to form an amylose inclusion complex (AIC). The properties of the AIC will be dependent on the selection of the ligand and the amount of amylose. AIC formed from fatty sodium/amine salts were found to be effective non-foaming emulsifiers. These AIC fatty acid/amine salts were produced using either steam jet cooking or microwave techniques. Various fatty acid/amine salts (C10-22) were produce
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Jeanneaus, Ch, and Y. Sultan. "ULTRASTRUCTURAL LOCALIZATION AND CHARACTERISATION OF VON WILLEBRAND FACTOR (VWF) AND TISSUE PLASMINOGEN ACTIVATOR (t-PA) IN ENDOTHELIAL CELLS (EC) AND MEGAKARYOCYTES (MK)." In XIth International Congress on Thrombosis and Haemostasis. Schattauer GmbH, 1987. http://dx.doi.org/10.1055/s-0038-1642911.

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The reciproqual localization of VWF and t-PA in EC and MK was analysed in EM using immunocytochemical techniques. In parallel, PAGE electrophoresis, zymographic analysis and immuno-blotting were also performed in cell extracts using specific polyclonal and monoclonal antibodies against VWF and t-PA. By immunofluorescence, VWF showed a dense granular pattern in EC, MK and platelets, although no fluorescence was observed with specific antibodies to t-PA. In contrast, at optical level, with peroxidase or alcaline phosphatase conjugated antibodies, t-PA antigen in EC, MK and platelets appear light
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10

Li, Lei, Xiaogang Gao, Yuliang Su, et al. "Asphaltene Precipitation Characteristics and Reservoir Damage When Applying CO2 Injection in Deep Reservoirs." In SPE Annual Technical Conference and Exhibition. SPE, 2023. http://dx.doi.org/10.2118/214805-ms.

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Abstract Asphaltenes are heavy aromatic hydrocarbon compounds contained in reservoir fluids and may precipitate when reservoir pressure is reduced by production or when gas is injected into the reservoir, and then further deposit on pore-throat surfaces causing reservoir damage. At present, the research on asphaltene precipitation and reservoir damage is carried out in conventional reservoirs, and the influence of CO2 injection under high-temperature high-pressure conditions has not yet been clearly understood. In this work, the perturbed-chain statistical associating fluid theory (PC-SAFT) is
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Informes sobre el tema "Associative colloids"

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Abdel-Fattah, Amr I. Chancellor Water Colloids: Characterization and Radionuclide Association. Office of Scientific and Technical Information (OSTI), 2012. http://dx.doi.org/10.2172/1044090.

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Gschwend, P. Groundwater contaminant transport in association with colloidal microparticles and organic macromolecules; Final report. Office of Scientific and Technical Information (OSTI), 1989. http://dx.doi.org/10.2172/137619.

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Shomer, Ilan, Louise Wicker, Uzi Merin, and William L. Kerr. Interactions of Cloud Proteins, Pectins and Pectinesterases in Flocculation of Citrus Cloud. United States Department of Agriculture, 2002. http://dx.doi.org/10.32747/2002.7580669.bard.

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The overall objective was to understand the cloud flocculation of citrus juice by characterization of the interactions between proteins and pectins, and to determine the role of PE isozymes in catalyzing this phenomenon. Specific objectives were to: 1. identify/characterize cloud-proteins in relation to their coagulable properties and affinity to pectins; 2. to determine structural changes of PME and other proteins induced by cation/pectin interactions; 3. localize cloud proteins, PME and bound protein/pectates in unheated and pasteurized juices; 4. to create "sensitized" pectins and determine
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