Literatura académica sobre el tema "Hydrotropes"

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Artículos de revistas sobre el tema "Hydrotropes"

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Prakash, D. Gnana, Pradeep Panneerselvam, Sai Madhusudanan, and V. Aditya. "Hydrotropic Extraction of Xanthones from Mangosteen Pericarp." Advanced Materials Research 984-985 (July 2014): 372–76. http://dx.doi.org/10.4028/www.scientific.net/amr.984-985.372.

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A novel separation process for extraction of xanthones from mangosteen pericarp was investigated using aqueous hydrotrope solution. The hydrotropes sodium salicylate was used for the extraction. The effects of factors such as hydrotrope concentration, extraction temperature and solid loading were investigated by using Response Surface Methodology (RSM). The optimal conditions to obtain the highest yield of xanthones were 2M sodium salicylate, extraction temperature of 40°C and 3% solid loading. This hydrotropic extraction technique is simple and cost effective for the separation of bioactive c
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Thenesh-Kumar, S., D. Gnana-Prakash, and N. Nagendra-Gandhi. "The effect of hydrotropes on the solubility and mass transfer coefficient of 2-nitrobenzoic acid." Polish Journal of Chemical Technology 11, no. 2 (2009): 55–59. http://dx.doi.org/10.2478/v10026-009-0025-y.

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The effect of hydrotropes on the solubility and mass transfer coefficient of 2-nitrobenzoic acid A comprehensive investigation on the solubility and mass transfer coefficient enhancement of 2-nitrobenzoic acid through hydrotropy, has been undertaken. The solubility and mass transfer coefficient studies were carried out using hydrotropes such as sodium acetate, citric acid and nicotinamide under a wide range of hydrotrope concentrations (0 to 3.0 mol/L) and different system temperatures (303 to 333 K). It was found that the solubility and mass transfer coefficient of 2-nitrobenzoic acid increas
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Maruthi, N.*, M. Hiremath Rudrayyaswamy, P. S. Rithesh, and B. C. Pooja. "SOLUBILITY ENHANCEMENT TECHNIQUE OF CINNARIZINE BY MIXED HYDROTROPY." World Journal of Pharmaceutical Science and Research 3, no. 5 (2024): 407–25. https://doi.org/10.5281/zenodo.14050663.

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Cinnarizine complex is prepared by Mixed Hydrotropy method by using four different hydrotropes such as Sodium citrate, Sodium acetate, Resorcinol and Niacinamide. The prepared Cinnarizine complex were then subjected for characterization of FTIR, DSC, SEM and XRD, solubility, drug content, percentage yield, Micromeretic property and in-vitro drug dissolution. The solubility and dissolution rate of prepared complexes were significantly higher than the pure drug. Initially the solubility of drug is determined by different concentrations of individual hydrotropes viz 10, 20, 30 and 40. The highest
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Snehal, Kashid Purva Katore Madhavi Tirkhunde Rutuja Thorat Harshada Padwal* Dr. Vrushali Tambe. "A Review on Solubility Enhancement of Poorly Soluble Drugs by Using Hydrotrophic Agents." International Journal of Pharmaceutical Sciences 3, no. 3 (2025): 2797–808. https://doi.org/10.5281/zenodo.15099654.

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Solubility enhancement of poorly water-soluble drugs remain a significant challenge in pharmaceutical formulation development. Drug solubility is a quite common issue and affects the bioavailability of a drug in the body. Various methods can accommodate to improve solubility of poorly soluble drugs. Hydrotropy is one of the unique technique which can be used to enhance the solubility of poorly water-soluble drugs with many folds by using hydrotropes like sodium citrate, urea, sodium benzoate, etc. Hydrotropes typically contain both a hydrophilic and a hydrophobic component which help to form m
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HUSSAIN, NUR IZZAH ATIRAH MAT, NURJANNAH SALIM, SITI NOOR HIDAYAH MUSTAPHA, IZAN IZWAN MISNON, MOHD HASBI AB RAHIM, and RASIDI ROSLAN. "LIGNOCELLULOSE BIOMASS DELIGNIFICATION USING ACID HYDROTROPE AS GREEN SOLVENT: A MINI-REVIEW." Cellulose Chemistry and Technology 57, no. 9-10 (2023): 1017–28. http://dx.doi.org/10.35812/cellulosechemtechnol.2023.57.90.

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"Efficient and cost-effective conversion of lignocellulosic biomass into usable forms of energy presents unique challenges. Lignocellulosic biomass, comprising cellulose, hemicelluloses, and lignin, necessitates advanced conversion technologies. Common commercial delignification techniques, including kraft pulping, sulfite pulping, acid hydrolysis, and organosolv pulping, often involve harsh conditions leading to structural changes in lignin and environmental impacts. To address these issues, acid hydrotropes have emerged as a promising method for lignin extraction. Acid hydrotropes, represent
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Gerald, Ugodi W., Mbah J. Chika, Nwodo J. Ngozi, Ozochi A. Oluchi, and Momoh Nafisa. "Utilization of Hydrotropes on Solubilization of Tenoxicam in Aqueous Solution." Asian Journal of Chemical Sciences 14, no. 6 (2024): 98–105. http://dx.doi.org/10.9734/ajocs/2024/v14i6337.

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Hydrotropy is a unique solubilization technique utilize to depict the increase in the solubility of a solute by the addition of a second solute (in large amount) resulting in an increase in the aqueous solubility solute of interest. Therapeutic effectiveness of a drug depends on its aqueous solubility and bioavailability. The purpose of the study was to establish tenoxicam solubility in hydrotropes at very low concentrations as well as explore solubilization behavior of the drug in mixed hydrotropic systems at very low concentrations. The methodology involved the use of rotary flask shaker at
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Anum Saif, Rashid Ali Khan, Shahiq Uz Zaman, Muhammad Ali Shahbaz, Atif Sarwar, and Muhammad Nouman Arif. "Effects of Hydrotropic Phenomenon on Solubility Enhancement of Ebastine; Formulation and Characterization." Pharmaceutical Communications 1, no. 01 (2022): 55–69. http://dx.doi.org/10.55627/pharma.001.001.0180.

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Hydrotropes are the nontoxic small organic molecules that at certain concentrations result in solubility enhancement of poorly water-soluble compounds. In this study various hydrotropes including nicotinamide, sodium acetate and trisodium citrate were used at varying ratios to observe the effect on solubility enhancement of Ebastine. Various combinations of drug-hydrotrope complexes were prepared with each above mentioned hydrotropes using solvent evaporation technique. The resultant residues were subjected to various analytical and characterization techniques for verification of complexation
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Prachi, Katvate* Dr. Avinash M. Bhagwat Mansi Mane Avantika Bhandugare. "Titrimetric Analysis of Bulk Drug Salicylic Acid Using Hydrotropic Solubilization Method." International Journal of Pharmaceutical Sciences 3, no. 5 (2025): 2903–6. https://doi.org/10.5281/zenodo.15450243.

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One of the enhancement techniques is hydrotropic solubilization, which uses hydrotropes like sodium citrate, sodium benzoate, urea, etc., to greatly increase solubility. This method has several advantages, such as not requiring organic solvents, chemically modifying hydrophobic drugs, or preparing emulsion systems.This study aims to use hydrotropy to a specific problem: how to make the medicine ibuprofen more soluble in 0.1 M ammonium acetate.Ionic organic salts considered as hydrotropic agent.These days, hydrotropic agents are being utilized to increase the therapeutic efficiency and bioavail
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Nainwal, Nidhi, Sunil Jawala, Ranjit Singh, and Vikas A. Saharan. "Solubility-Permeability Interplay of Hydrotropic Solubilization Using Response Surface Methodology." Drug Delivery Letters 10, no. 3 (2020): 209–18. http://dx.doi.org/10.2174/2210303110666200220124230.

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Background:: The solubility/dissolution of a drug in the gastrointestinal (GI) region and the permeability of a drug through the GI membrane are the two key parameters governing drug absorption. Poor aqueous solubility is the rate-limiting factor for the absorption of poorly soluble drugs through the GI region. Objective: The purpose of this work is to investigate the influence of two different hydrotropes, namely sodium benzoate (SB), and nicotinamide (NA), at different levels (10-40%) and in combination on the solubility and permeability of poorly soluble drug glibenclamide (GLB). The work w
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Ibrahim, Naz, Shahla Smail, Nozad Hussein, and Tara Abdullah. "Solubility enhancement of nimodipine using mixed hydrotropic solid dispersion technique." Zanco Journal of Medical Sciences 24, no. 3 (2020): 386–94. http://dx.doi.org/10.15218/zjms.2020.046.

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Background and objective: Low aqueous solubility of active pharmaceutical ingredients has an effect on both formulation development and bioavailability. Nimodipine is an antihypertensive agent with low oral bioavailability, which might be attributed to the extremely poor water solubility. This study aimed to increase the solubility of nimodipine in water using hydrotropes and solid dispersion technology to increase dissolution rate compared to the marketed drug product. Methods: Solubility of nimodipine was determined separately in sodium acetate, sodium citrate, sodium benzoate, and niacinami
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Tesis sobre el tema "Hydrotropes"

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Naz, Asma. "Investigating hydrotropes." Thesis, University of Bristol, 2014. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.684751.

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Hydrotropes are small, short-tailed amphiphiles that strongly enhance the aqueous solubility of hydrophobic compounds otherwise sparingly soluble, after a minimum hydrotrope concentration. The hydrotropic effect of the molecules representative of all three classes of hydrotropes was examined, in terms of the solubilisation efficiency of these molecules to dissolve pyrene. Pyrene was chosen as a standard hydrophobic compound. The selected series of cationic hydrotropic compounds consisted of tetraalkylammonium chlorides, with increasing hydrophobic character, by the introduction of a -CH2- to e
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El, maangar Asmae. "L’extraction raisonnée de métaux stratégiques par des hydrotropes." Thesis, Université de Montpellier (2022-….), 2022. http://www.theses.fr/2022UMONS004.

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L’extraction liquide-liquide (L­L) est la technologie principale de séparation employée dans les procédés hydrométallurgiques pour le recyclage des métaux stratégiques nécessaires à l’économie circulaire. La mise en œuvre industrielle du recyclage repose sur le contrôle du transfert d’espèces entre une solution concentrée d’électrolytes contenant les cations métalliques à extraire sélectivement et une solution de tensioactif lipophile associé à un solvant non miscible à l’eau et des « modificateurs de phase ». Une limitation des procédés d’extraction L­L tel qu’utilisés actuellement est la for
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Herbinski, Aurélien. "Synthèse et évaluation des propriétés physico-chimiques de nouveaux hydrotropes biosourcés." Thesis, Lyon, 2017. http://www.theses.fr/2017LYSE1257.

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Les hydrotropes sont de petites molécules amphiphiles utilisées dans de nombreux domaines d'applications (détergence, extraction, solubilisation, etc …). Les hydrotropes sont principalement d'origine pétrosourcée et des molécules alternatives d'origine biosourcée ont été synthétisées selon des voies de synthèse éco-compatibles.Deux tétraols, l'érythritol et le pentaérythritol, ont été utilisés comme tête polaire. La partie apolaire est incorporée via une liaison éther car celle-ci est plus résistante en milieux salins. L'alkylation réductrice directe de dérivés carbonylés conduisant à des résu
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Bruniaux, Sophie. "Nouveaux hydrotropes biosourcés : conception, synthèse et propriétés physico-chimiques en milieu hautement salin." Thesis, Compiègne, 2017. http://www.theses.fr/2017COMP2378.

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Historiquement, l’industrie chimique est basée sur l’utilisation de ressources fossiles, mais depuis les années quatre-vingt-dix, des procédés alternatifs ont été développés afin d’être plus verts et de répondre aux questions environnementales concernant l’éco-responsabilité. Dans ce contexte, un travail collaboratif entre trois laboratoires académiques et la SAS PIVERT a émergé, afin de trouver de nouveaux hydrotropes biosourcés à partir de divers polyols, comme le glycérol par exemple qui est le sous-produit majoritaire lors de la production de biodiesel, avec une résistance aux hautes condi
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Wattebled, Laurent. "Oligomeric surfactants as novel type of amphiphiles : structure - property relationships and behaviour with additives." Phd thesis, Universität Potsdam, 2006. http://opus.kobv.de/ubp/volltexte/2007/1285/.

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The properties of a series of well-defined new surfactant oligomers (dimers to tetramers)were examined. From a molecular point of view, these oligomeric surfactants consist of simple monomeric cationic surfactant fragments coupled via the hydrophilic ammonium chloride head groups by spacer groups (different in nature and length). Properties of these cationic surfactant oligomers in aqueous solution such as solubility, micellization and surface activity, micellar size and aggregation number were discussed with respect to the two new molecular variables introduced, i.e. degree of oligomerization
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Mazaud, Agathe. "Aqueous plant extraction using glycerol and sugarbased hydrotropes : physicochemical approach and application to rosemary." Electronic Thesis or Diss., Université de Lille (2018-2021), 2020. http://www.theses.fr/2020LILUR055.

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Les préoccupations grandissantes concernant la santé et l’environnement rendent la demande en ingrédients naturels toujours plus forte. Parallèlement, les fournisseurs d’ingrédients naturels tentent de rendre les procédés d’extraction plus performants, plus sûrs, moins consommateurs en énergie et en ressources non-renouvelables. Les hydrotropes, capables de solubiliser des composés hydrophobes dans l’eau, constituent une alternative prometteuse aux solvants organiques, souvent dérivés du pétrole, potentiellement explosifs et émetteurs de composés organiques volatiles. Afin de développer un nou
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TRISAL, PREETI. "IMPACT OF NONIONIZABLE GLYCOL SOLUBILIZERS EXHIBITING DIFFERENT SURFACE ACTIVITIES ON INTESTINAL MEMBRANE PERMEABILITY." University of Cincinnati / OhioLINK, 2005. http://rave.ohiolink.edu/etdc/view?acc_num=ucin1116005486.

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Moity, Laurianne. "Conception, modélisation et caractérisation de solvants agro-sourcés." Thesis, Lille 1, 2013. http://www.theses.fr/2013LIL10075.

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Le bouleversement du monde des solvants classiques, résultant de la récente prise de conscience des risques environnementaux et sanitaires liés à leur utilisation, a conduit au développement de nouveaux solvants présentant un meilleur profil HSE et dérivés de la biomasse végétale : les agro-solvants. Ces solvants alternatifs ont été recensés, modélisés et comparés aux solvants organiques classiques dans un panorama purement théorique établi grâce à l'approche COSMO-RS. Cet outil permet non seulement d'aider à la substitution de solvants indésirables mais aussi de souligner les besoins de nouve
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Illous, Estelle. "Propriétés amphiphiles d’hydrotropes et de tensioactifs salino-résistants et biosourcés." Thesis, Lille 1, 2017. http://www.theses.fr/2017LIL10132.

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Les tensioactifs et hydrotropes anioniques précipitent en présence de cations mono- et divalents et perdent ainsi leurs propriétés fonctionnelles. Les amphiphiles salino-résistants actuellement proposés par les industriels sont pour la plupart contraires aux 12 principes de la chimie verte et à la loi REACH. Le but de ce travail de recherche a donc été de développer de nouveaux tensioactifs et hydrotropes biosourcés, issus d’une synthèse durable et solubles en milieu salin. Pour ce faire, un classement de la salino-résistance des têtes polaires anioniques, non-ioniques, éthoxylées/anioniques e
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Durand, Morgan. "Propriétés physico-chimiques, fonctionnelles et applicatives des éthers courts d’isosorbide." Thesis, Lille 1, 2010. http://www.theses.fr/2010LIL10196/document.

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Depuis quelques années, une prise de conscience accrue des risques associés aux solvants a abouti à durcir la réglementation et à optimiser leur mise en œuvre. Cette évolution a entrainé un intérêt croissant pour les biosolvants, i.e. les solvants d’origine naturelle et respectueux des critères sanitaires et environnementaux. Dans ce contexte, l’isosorbide, un diol issu de la filière amidon par double déshydratation du sorbitol, constitue un synthon intéressant à partir duquel une grande variété de molécules ou de polymères peuvent être développés. Les diéthers courts d’isosorbide (≤ 5 carbone
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Libros sobre el tema "Hydrotropes"

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Tavare, N. Hydrotropy. Pergamon Pr, 2001.

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Chemicals and fermentable biomass via hydrotropic agent treatment. s.n., 1987.

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Capítulos de libros sobre el tema "Hydrotropes"

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Balasubramanian, D., and Stig E. Friberg. "Hydrotropes—Recent Developments." In Surface and Colloid Science. Springer US, 1993. http://dx.doi.org/10.1007/978-1-4615-3002-2_5.

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Oliveira, M. C. K., E. F. Lucas, G. González, and J. F. Oliveira. "Heavy oil fraction removal from sand using hydrotropes containing oil-in-water microemulsions." In Surface and Colloid Science. Springer Berlin Heidelberg, 2004. http://dx.doi.org/10.1007/b97117.

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Ooya, Tooru, Sang Cheon Lee, Kang Moo Huh, and Kinam Park. "Hydrotropic Nanocarriers for Poorly Soluble Drugs." In Nanocarrier Technologies. Springer Netherlands, 2006. http://dx.doi.org/10.1007/978-1-4020-5041-1_4.

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Min, Hyun Su, Hong Jae Lee, Sang Cheon Lee, et al. "Aqueous Solubilization of Paclitaxel Using Hydrotropic Polymer Micelle." In Advanced Biomaterials VII. Trans Tech Publications Ltd., 2007. http://dx.doi.org/10.4028/0-87849-436-7.421.

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Eapen, Delfeena, Jesús J. Martínez, and Gladys I. Cassab. "Assays for Root Hydrotropism and Response to Water Stress." In Methods in Molecular Biology. Springer New York, 2015. http://dx.doi.org/10.1007/978-1-4939-2697-8_11.

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Nordhaus, Douglas E. "Hydrotrope Effect in Emulsion Polymers: Surface Properties, Particle Size and Coagulum." In Surface Phenomena and Additives in Water-Based Coatings and Printing Technology. Springer US, 1991. http://dx.doi.org/10.1007/978-1-4899-2361-5_13.

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Antoni, Regina, Daniela Dietrich, Malcolm J. Bennett, and Pedro L. Rodriguez. "Hydrotropism: Analysis of the Root Response to a Moisture Gradient." In Methods in Molecular Biology. Springer New York, 2016. http://dx.doi.org/10.1007/978-1-4939-3356-3_1.

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Takahashi, Hideyuki, Motoshi Kamada, Yuko Saito, Aakie Kobayashi, Atsushi Higashitani, and Nobuharu Fujii. "Morphogenesis, Hydrotropism, and Distribution of Auxin Signals in Cucumber Seedlings Grown in Microgravity." In Plant Biotechnology 2002 and Beyond. Springer Netherlands, 2003. http://dx.doi.org/10.1007/978-94-017-2679-5_74.

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El Hamd, Mohamed A., Mahmoud H. El-Maghrabey, Saud Almawash, and Rania N. El-Shaheny. "Green Hydrotropic Technology as a Convenient Tool for the Handling of Poor Water-Soluble Candidates Proceeding Their Economic Analytical Measurements." In Green Chemical Analysis and Sample Preparations. Springer International Publishing, 2022. http://dx.doi.org/10.1007/978-3-030-96534-1_6.

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"Hydrotropes." In Encyclopedia of Membranes. Springer Berlin Heidelberg, 2016. http://dx.doi.org/10.1007/978-3-662-44324-8_100133.

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Actas de conferencias sobre el tema "Hydrotropes"

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RATAJ, Véronique. "Synergy Between Hydrotropes and Surfactants for the Aqueous Solubilization of Fragances." In Virtual 2021 AOCS Annual Meeting & Expo. American Oil Chemists’ Society (AOCS), 2021. http://dx.doi.org/10.21748/am21.400.

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Dikici, Birce, Angelos Kaminis, Dakotah Stirnweis, Lauren Stollenwerk, and Qi Jiang. "Viscosity and Natural Evaporation Studies: Aqueous Solutions of Surfactants and Hydrotopes." In ASME 2021 Heat Transfer Summer Conference collocated with the ASME 2021 15th International Conference on Energy Sustainability. American Society of Mechanical Engineers, 2021. http://dx.doi.org/10.1115/ht2021-63951.

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Abstract Surfactants are known to affect evaporation performance of solutions. They are studied in relation to water loss prevention. In previous studies, evaporation suppressants have been effective in the laboratory and at small scales such as on swimming pools, ponds, and small lakes. Surfactants could be useful under drought conditions in arid areas of the world. Previous researchers conducted tests to estimate the spreading and coverage efficiencies of evaporation suppressants. Effectiveness of the suppressants in reducing evaporation is evaluated. Monolayers are one molecule thick films
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Dhayalan, Sreenivasan, Sathish Raam Ravichandran, Chitra Devi Venkatachalam, and Mothil Sengottian. "Effective extraction of resveratrol through hydrotropy." In 3RD NATIONAL CONFERENCE ON CURRENT AND EMERGING PROCESS TECHNOLOGIES – CONCEPT 2020. AIP Publishing, 2020. http://dx.doi.org/10.1063/5.0011054.

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Pinto, M. F., and M. Nele. "Carbonate Wettability Alteration: Core Flooding Test Under Reservoir Conditions with Carbonate Rock and Oil Samples from the Brazilian Pre-Salt." In SPE Improved Oil Recovery Conference. SPE, 2024. http://dx.doi.org/10.2118/218144-ms.

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Abstract HIGHLIGHTS Evaluation of carbonates wettability modifier under Pre-Salt reservoir conditions. Rock and oil originating from the Brazilian Pre-Salt. Core flooding test under pre-salt reservoir conditions Carbonates wettability modifier. Surface agents can be used in different forms in upstream oil and gas production. One application is to enhance oil recovery by reducing interfacial tension (IFT) or changing the wettability of rocks from oil-wet (OW) to water-wet (WW). They can also be used for flow assurance purposes, preventing the deposition of inorganic scales. However, reducing IF
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Handayani, Dwi, Diyono Ikhsan, Mohamad Endy Yulianto, and Mandy Ayulia Dwisukma. "Mass transfer coefficient in ginger oil extraction by microwave hydrotropic solution." In INTERNATIONAL CONFERENCE OF CHEMICAL AND MATERIAL ENGINEERING (ICCME) 2015: Green Technology for Sustainable Chemical Products and Processes. AIP Publishing LLC, 2015. http://dx.doi.org/10.1063/1.4938357.

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Lantushenko, Anastasia O., Yulia V. Mukhina, Kyrill A. Veselkov, David B. Davies, and Alexei N. Veselkov. "1H NMR analysis of complexation of hydrotropic agents nicotinamide and caffeine with aromatic biologically active molecules in aqueous solution." In SPIE Proceedings, edited by Galyna O. Puchkovska, Tatiana A. Gavrilko, and Olexandr I. Lizengevich. SPIE, 2004. http://dx.doi.org/10.1117/12.569621.

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Alvarado, Jose, Franklin Salazar-Rodríguez, Luz Meza, and Naycarí Forfora. "Effect of the addition of tetramethyl ammonium chloride on the solubility and interfacial activity of a sodium linear alkylbenzene sulfonate surfactant." In 2022 AOCS Annual Meeting & Expo. American Oil Chemists' Society (AOCS), 2022. http://dx.doi.org/10.21748/ycep3340.

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The field of action of surfactants encompasses the formulation of dispersed systems in the chemical and petroleum industry and, particularly, in applications such as enhanced oil recovery (EOR) and chemical dewatering (dewatering). In these applications it is necessary to use hydrophilic surfactants that are not sensitive to salinity and water hardness, minimizing their precipitation and improving their performance in terms of interfacial tension decrease. Some of the most widely used surfactants in the industry are linear alkylbenzenesulfonates (LAS-C15-18) due to their low production costs.
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Informes sobre el tema "Hydrotropes"

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Pillars, Jamin. Electrodeposition of Tungsten using Hydrotropic Agents. Office of Scientific and Technical Information (OSTI), 2024. http://dx.doi.org/10.2172/2462984.

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