Academic literature on the topic 'Catanionic mixtures'

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Journal articles on the topic "Catanionic mixtures"

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Pérez, Lourdes, Aurora Pinazo, M. C. Morán, and Ramon Pons. "Aggregation Behavior, Antibacterial Activity and Biocompatibility of Catanionic Assemblies Based on Amino Acid-Derived Surfactants." International Journal of Molecular Sciences 21, no. 23 (2020): 8912. http://dx.doi.org/10.3390/ijms21238912.

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The surface activity, aggregates morphology, size and charge characteristics of binary catanionic mixtures containing a cationic amino acid-derived surfactant N(π), N(τ)-bis(methyl)-L-Histidine tetradecyl amide (DMHNHC14) and an anionic surfactant (the lysine-based surfactant Nα-lauroyl-Nεacetyl lysine (C12C3L) or sodium myristate) were investigated for the first time. The cationic surfactant has an acid proton which shows a strong pKa shift irrespective of aggregation. The resulting catanionic mixtures exhibited high surface activity and low critical aggregation concentration as compared with
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Stenstam, Anna, Ali Khan, and Håkan Wennerström. "Lysozyme in Catanionic Surfactant Mixtures." Langmuir 20, no. 18 (2004): 7760–65. http://dx.doi.org/10.1021/la049508w.

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Bramer, Tobias, Noel Dew, and Katarina Edsman. "Pharmaceutical applications for catanionic mixtures." Journal of Pharmacy and Pharmacology 59, no. 10 (2007): 1319–34. http://dx.doi.org/10.1211/jpp.59.10.0001.

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Sakai, Hideki, Yuji Okabe, Koji Tsuchiya, Kenichi Sakai, and Masahiko Abe. "Catanionic Mixtures Forming Gemini-like Amphiphiles." Journal of Oleo Science 60, no. 11 (2011): 549–55. http://dx.doi.org/10.5650/jos.60.549.

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Pinazo, Aurora, Ramon Pons, Ana Marqués, Maribel Farfan, Anderson da Silva, and Lourdes Perez. "Biocompatible Catanionic Vesicles from Arginine-Based Surfactants: A New Strategy to Tune the Antimicrobial Activity and Cytotoxicity of Vesicular Systems." Pharmaceutics 12, no. 9 (2020): 857. http://dx.doi.org/10.3390/pharmaceutics12090857.

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Their stability and low cost make catanionic vesicles suitable for application as drug delivery systems. In this work we prepared catanionic vesicles using biocompatible surfactants: two cationic arginine-based surfactants (the monocatenary Nα-lauroyl-arginine methyl ester—LAM and the gemini Nα,Nϖ-bis(Nα-lauroylarginine) α, ϖ-propylendiamide—C3(CA)2) and three anionic amphiphiles (the single chain sodium dodecanoate, sodium myristate, and the double chain 8-SH). The critical aggregation concentration, colloidal stability, size, and charge density of these systems were comprehensively studied f
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Sanan, Reshu, Rajwinder Kaur, and Rakesh Kumar Mahajan. "Micellar transitions in catanionic ionic liquid–ibuprofen aqueous mixtures; effects of composition and dilution." RSC Adv. 4, no. 110 (2014): 64877–89. http://dx.doi.org/10.1039/c4ra10840j.

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Interactions between 1-dodecyl-3-methylimidazolium chloride and ibuprofen molecules in aqueous solution form catanionic mixtures, with morphologies of mixed micelles dependent on solution composition.
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Varde, D., D. Carriere, Laura Arriaga, et al. "On the origin of the stability of foams made from catanionic surfactant mixtures." Soft Matter 7 (June 17, 2011): 6557–70. https://doi.org/10.1039/c1sm05374d.

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Oliveira, Isabel S., Sandra G. Silva, Maria Luísa do Vale, and Eduardo F. Marques. "Model Catanionic Vesicles from Biomimetic Serine-Based Surfactants: Effect of the Combination of Chain Lengths on Vesicle Properties and Vesicle-to-Micelle Transition." Membranes 13, no. 2 (2023): 178. http://dx.doi.org/10.3390/membranes13020178.

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Mixtures of cationic and anionic surfactants often originate bilayer structures, such as vesicles and lamellar liquid crystals, that can be explored as model membranes for fundamental studies or as drug and gene nanocarriers. Here, we investigated the aggregation properties of two catanionic mixtures containing biomimetic surfactants derived from serine. The mixtures are designated as 12Ser/8-8Ser and 14Ser/10-10Ser, where mSer is a cationic, single-chained surfactant and n-nSer is an anionic, double-chained one (m and n being the C atoms in the alkyl chains). Our goal was to investigate the e
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Kowalczyk, Iwona, Anna Koziróg, Adrianna Szulc, Anna Komasa, and Bogumił Brycki. "Antimicrobial Properties of Monomeric and Dimeric Catanionic Surfactant System." Molecules 30, no. 1 (2025): 164. https://doi.org/10.3390/molecules30010164.

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Cationic gemini surfactants are used due to their broad spectrum of activity, especially surface, anticorrosive and antimicrobial properties. Mixtures of cationic and anionic surfactants are also increasingly described. In order to investigate the effect of anionic additive on antimicrobial activity, experimental studies were carried out to obtain MIC (minimal inhibitory concentration) against E. coli and S. aureus bacteria. Two gemini surfactants (12-6-12 and 12-O-12) and two single quaternary ammonium salts (DTAB and DDAC) were analyzed. The most commonly used commercial compounds of this cl
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Maurer, Eva, Luc Belloni, Thomas Zemb, and David Carrière. "Ion Exchange in Catanionic Mixtures: From Ion Pair Amphiphiles to Surfactant Mixtures." Langmuir 23, no. 12 (2007): 6554–60. http://dx.doi.org/10.1021/la070184w.

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Dissertations / Theses on the topic "Catanionic mixtures"

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Bramer, Tobias. "Prolonged Drug Release from Gels, using Catanionic Mixtures." Doctoral thesis, Uppsala University, Department of Pharmacy, 2007. http://urn.kb.se/resolve?urn=urn:nbn:se:uu:diva-8303.

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<p>The use of catanionic drug-surfactant mixtures was proven to be an efficient novel method of obtaining prolonged drug release from gels. It was shown that various commonly used drug compounds are able to form catanionic mixtures together with oppositely charged surfactants. These mixtures exhibited interesting phase behaviour, where, among other structures, vesicles and large worm-like or branched micelles were found. The size of these aggregates makes them a potential means of prolonging the drug release from gels, as only monomer drugs in equilibrium with larger aggregates were readily ab
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Zahnweh, Lydia [Verfasser], and Werner [Akademischer Betreuer] Kunz. "New ethylene oxide-based catanionic mixtures – investigations towards potential applications / Lydia Zahnweh ; Betreuer: Werner Kunz." Regensburg : Universitätsbibliothek Regensburg, 2021. http://d-nb.info/1231076119/34.

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Marques, Eduardo Jorge Figueira. "Catanionic surfactant mixtures: phase behavior, vesicle formation and vesicle-polymer interactions." Doctoral thesis, 1998. http://hdl.handle.net/10316/2038.

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Os sistemas coloidais mistos são objecto de intensa investigação no domínio da química-física actual. A nível molecular apresentam grande diversidade de estruturas auto-agregadas e de forças de interacção; exibem também propriedades macroscópicas versáteis, de vasta aplicabilidade práctica. Nesta tese, o comportamento e a micro-estrutura de fase de sistemas aquosos mistos surfactante-surfactante e polímero-surfactante são investigados, contendo ambos cosolutos de cargas opostas. Abordam-se tópicos centrais tais como separação de fase associativa em sistemas mistos, formação de vesículos termod
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Book chapters on the topic "Catanionic mixtures"

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Jurašin, Darija Domazet, Suzana Šegota, Vida Čadež, Atiđa Selmani, and Maja Dutour Sikirć. "Recent Advances in Catanionic Mixtures." In Application and Characterization of Surfactants. InTech, 2017. http://dx.doi.org/10.5772/67998.

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