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Lima TB, Silva-Stenico ME, Fiore MF, Etchegaray A. Microcystins can be extracted from Microcystis aeruginosa using amino acid-derived biosurfactants. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:8767-8778. [PMID: 34491500 DOI: 10.1007/s11356-021-16257-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/05/2020] [Accepted: 08/26/2021] [Indexed: 06/13/2023]
Abstract
Microcystin, a cyanotoxin produced by Microcystis aeruginosa growing in eutrophic waters, can promote liver tumors in people ingesting contaminated water. To date, water treatment systems have not been effective in removing or degrading these cyanotoxins. In this work, we investigated the inhibitory activity of surfactants on the growth of M. aeruginosa and their application to extract the intracellular produced cyanotoxins. The experiments involving growth inhibition and extraction of cyanotoxins were carried out using the non-biodegradable surfactant cetyl trimethyl ammonium bromide (CTAB) in addition to other biodegradable surfactants. These were Tween 80 and surfactants derived from amino acids and peptides, respectively, from arginine, SDA, and hydrolyzed peptone, SDP. We demonstrated that the tested surfactants could be used to inhibit the growth of M. aeruginosa. At this point, CTAB and SDA proved to be the most competent surfactants in reducing cyanobacterial growth. Moreover, microcystins have been successfully removed from the water employing a cloud point extraction protocol based on the use of these surfactants and ammonium sulfate.
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Affiliation(s)
- Tatiani Brenelli Lima
- Center for Exact, Environmental and Technological Sciences, Faculty of Chemistry, Pontifical Catholic University of Campinas, R. Prof. Dr. Euryclides de Jesus Zerbini, 1516, Campinas, SP, 13087-571, Brazil
| | - Maria Estela Silva-Stenico
- Center for Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário, 303, Piracicaba, SP, 13416-903, Brazil
| | - Marli F Fiore
- Center for Nuclear Energy in Agriculture, University of São Paulo, Av. Centenário, 303, Piracicaba, SP, 13416-903, Brazil
| | - Augusto Etchegaray
- Center for Exact, Environmental and Technological Sciences, Faculty of Chemistry, Pontifical Catholic University of Campinas, R. Prof. Dr. Euryclides de Jesus Zerbini, 1516, Campinas, SP, 13087-571, Brazil.
- Center for Life Sciences, Post-Graduate Course in Health Sciences, Pontifical Catholic University of Campinas, R. Prof. Dr. Euryclides de Jesus Zerbini, 1516, Campinas, SP, 13087-571, Brazil.
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2
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Pan Y, Dang L, Wei H. Phase Behavior and Rheological Properties of Poly(vinyl alcohol)/AES/Water System. J Phys Chem B 2021; 125:3230-3237. [PMID: 33755475 DOI: 10.1021/acs.jpcb.1c00408] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
In this work, the phase behavior of the poly(vinyl alcohol) (PVA)/alkyl ethoxysulfate (AES)/water ternary system is investigated at 25 °C. The PVA/AES/water ternary phase diagram is conducted which shows that there are two main phases corresponding to the solid phase and the hexagonal liquid crystalline phase (H) in the ternary system. Besides these two phases, a high-viscosity liquid phase (L2) and a micellar phase (L1) can also be found in the phase diagram, although they just occupy small areas. Polarizing optical microscopy and small-angle X-ray scattering are used to characterize the different lyotropic liquid crystal types. Moreover, the viscosity distribution and oscillation tests are also performed by means of the rheometer. High elastic modulus (G') and viscous modulus (G″) can be found in the H and the L2 phase, whereas both moduli are low in the L1 region. The PVA/AES/water ternary phase diagram provides a good guide for accelerating the selection of the detergent formula, whereas the rheological tests provide an application guidance for industrial operations. Beyond tis, the L1 region is considered to be a reasonable range for slurry making because of its good fluidity and low viscoelasticity. This research enriches the content of polymer-surfactant aggregates and promotes the development of solid detergent manufacturing industry.
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Affiliation(s)
- Yongli Pan
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
| | - Leping Dang
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
| | - Hongyuan Wei
- School of Chemical Engineering and Technology, Tianjin University, Tianjin 300350, PR China
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3
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Lian L, Liu L, Ding Y, Hua Z, Liu G. Specific Anion Effects on Charged-Neutral Random Copolymers: Interplay between Different Anion-Polymer Interactions. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:1697-1706. [PMID: 33499598 DOI: 10.1021/acs.langmuir.0c02907] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
The study of ion specificities of charged-neutral random copolymers is of great importance for understanding specific ion effects on natural macromolecules. In the present work, we have investigated the specific anion effects on the thermoresponsive behavior of poly([2-(methacryloyloxy)ethyl trimethylammonium chloride]-co-N-isopropylacrylamide) [P(METAC-co-NIPAM)] random copolymers. Our study demonstrates that the anion specificities of the P(METAC-co-NIPAM) copolymers are dependent on their chemical compositions. The specific anion effects on the copolymers with high mole fractions of poly(N-isopropylacrylamide) (PNIPAM) are similar to those on the PNIPAM homopolymer. As the mole fraction of PNIPAM decreases to a certain value, a V-shaped anion series can be observed in terms of the anion-specific cloud point temperature of the copolymer, as induced by the interplay between different anion-polymer interactions. Our study also suggests that both the direct and the indirect anion-polymer interactions contribute to the anion specificities of the copolymers. This work would improve our understanding of the relationship between the ion specificities and the ion-macromolecule interactions for naturally occurring macromolecules.
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Affiliation(s)
- Leilei Lian
- Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Lvdan Liu
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Yanwei Ding
- Hefei National Laboratory for Physical Sciences at the Microscale, University of Science and Technology of China, Hefei 230026, P. R. China
| | - Zan Hua
- Biomass Molecular Engineering Center, Department of Materials Science and Engineering, Anhui Agricultural University, Hefei 230036, P. R. China
| | - Guangming Liu
- Hefei National Laboratory for Physical Sciences at the Microscale, Key Laboratory of Surface and Interface Chemistry and Energy Catalysis of Anhui Higher Education Institutes, Department of Chemical Physics, University of Science and Technology of China, Hefei 230026, P. R. China
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4
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Xu H, Liang X, Zhang Y, Gao M, Du N, Hou W. An aqueous two-phase system formed in single-component solution of α-ketooctanoic acid. RSC Adv 2021; 11:34245-34249. [PMID: 35497265 PMCID: PMC9042353 DOI: 10.1039/d1ra06474f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2021] [Accepted: 10/07/2021] [Indexed: 11/21/2022] Open
Abstract
An aqueous two-phase system can form in the single-component solution of α-ketooctanoic acid without any additives.
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Affiliation(s)
- Huifang Xu
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, P. R. China
| | - Xin Liang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, P. R. China
| | - Yaping Zhang
- College of Pharmacy, Henan University of Chinese Medicine, Zhengzhou 450046, P. R. China
| | - Meihua Gao
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, P. R. China
| | - Na Du
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, P. R. China
| | - Wanguo Hou
- Key Laboratory of Colloid and Interface Chemistry (Ministry of Education), Shandong University, Jinan 250100, P. R. China
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5
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Li Q, Wang X, Yue X, Chen X. Unique Phase Behaviors in the Gemini Surfactant/EAN Binary System: The Role of the Hydroxyl Group. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2015; 31:13511-13518. [PMID: 26634877 DOI: 10.1021/acs.langmuir.5b03809] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The hydroxyl group in the spacer of a cationic Gemini surfactant (12-3OH-12) caused dramatic changes of the phase behaviors in a protic ionic liquid (EAN). Here, the effects of the hydroxyl group on micellization and lyotropic liquid crystal formation were investigated through the surface tension, small-angle X-ray scattering, polarized optical microscopy, and rheological measurements. With the hydroxyl group in the spacer, the critical micellization concentration of 12-3OH-12 was found to be lower than that of the homologue without hydroxyl (12-3-12) and the 12-3OH-12 molecules packed more densely at the air/EAN interface. It was then interesting to observe a coexistence of two separated phases at wide concentration and temperature ranges in this 12-3OH-12/EAN system. Such a micellar phase separation was rarely observed in the ionic surfactant binary system. With the increase of surfactant concentration, the reverse hexagonal and bicontinuous cubic phases appeared in sequence, whereas only a reverse hexagonal phase was found in 12-3-12/EAN system. But, the hexagonal phases formed with 12-3OH-12 exhibited lower viscoelasticity and thermostability than those observed in 12-3-12/EAN system. Such unique changes in phase behaviors of 12-3OH-12 were ascribed to their enhanced solvophilic interactions of 12-3OH-12 and relatively weak solvophobic interactions in EAN.
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Affiliation(s)
- Qintang Li
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education , Jinan, 250100, China
| | - Xudong Wang
- Drilling Engineering and Technology Company, Shengli Petroleum Engineering Corporation Limited of SINOPEC , Dongying, 257064, China
| | | | - Xiao Chen
- Key Laboratory of Colloid and Interface Chemistry, Shandong University, Ministry of Education , Jinan, 250100, China
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6
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Gao Y, Chowdhury MR, Liang JT, Dhar P. Effects of monovalent and multivalent ions on the stability of a polyelectrolyte complex with entrapped surfactants. J Appl Polym Sci 2015. [DOI: 10.1002/app.42099] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Yan Gao
- Department of Chemical and Petroleum Engineering; University of Kansas; 1530 West 15th Street Lawrence Kansas 66045
| | - Monica Roy Chowdhury
- Department of Chemical and Petroleum Engineering; University of Kansas; 1530 West 15th Street Lawrence Kansas 66045
| | - Jenn-Tai Liang
- Department of Chemical and Petroleum Engineering; University of Kansas; 1530 West 15th Street Lawrence Kansas 66045
| | - Prajnaparamita Dhar
- Department of Chemical and Petroleum Engineering; University of Kansas; 1530 West 15th Street Lawrence Kansas 66045
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7
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Dai C, Liu Y, Wang S, Du M, Peng D, Wang K, Yang Z, Zhao M. Investigation on the phase behaviors of aqueous surfactant two-phase systems in a mixture of N-dodecyl-N-methylpiperidinium bromide (C12MDB) and sodium dodecyl sulfate (SDS). Colloids Surf A Physicochem Eng Asp 2015. [DOI: 10.1016/j.colsurfa.2014.12.061] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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8
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Bhadoria A, Kumar S, Aswal VK, Kumar S. Mechanistic approach on heat induced growth of anionic surfactants: a clouding phenomenon. RSC Adv 2015. [DOI: 10.1039/c5ra01090j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Clouding behaviour of aqueous anionic surfactants have been studied. Data reveal that the onset of attractive interaction on heating is responsible for micellar growth and the unusual clouding.
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Affiliation(s)
- Arti Bhadoria
- Soft Material Research Laboratory
- Department of Chemistry
- The Maharaja Sayajirao University of Baroda
- Vadodara 390 002
- India
| | - Sugam Kumar
- Solid State Physics Division
- Bhabha Atomic Research Centre
- Mumbai 400 085
- India
| | - Vinod K. Aswal
- Solid State Physics Division
- Bhabha Atomic Research Centre
- Mumbai 400 085
- India
| | - Sanjeev Kumar
- Soft Material Research Laboratory
- Department of Chemistry
- The Maharaja Sayajirao University of Baroda
- Vadodara 390 002
- India
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Kumar S, Bhadoria A, Patel H, Aswal VK. Morphologies near Cloud Point in Aqueous Ionic Surfactant: Scattering and NMR Studies. J Phys Chem B 2012; 116:3699-703. [DOI: 10.1021/jp300630w] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Affiliation(s)
- Sanjeev Kumar
- Soft Material Research Laboratory, Department of Chemistry, The Maharaja Sayajirao University of Baroda, Vadodara, 390 002 Gujarat, India
| | - Arti Bhadoria
- Soft Material Research Laboratory, Department of Chemistry, The Maharaja Sayajirao University of Baroda, Vadodara, 390 002 Gujarat, India
| | - Harsha Patel
- Soft Material Research Laboratory, Department of Chemistry, The Maharaja Sayajirao University of Baroda, Vadodara, 390 002 Gujarat, India
| | - Vinod K. Aswal
- Solid State Physics Division, Bhabha Atomic Research Centre, Trombay, Mumbai 400 085, India
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10
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Lo Nostro P, Ninham BW. Hofmeister phenomena: an update on ion specificity in biology. Chem Rev 2012; 112:2286-322. [PMID: 22251403 DOI: 10.1021/cr200271j] [Citation(s) in RCA: 675] [Impact Index Per Article: 56.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Pierandrea Lo Nostro
- Department of Chemistry and CSGI, University of Florence, 50019 Sesto Fiorentino (Firenze), Italy.
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11
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Rout DK, Chauhan S, Agarwal A. Cloud Point and Microemulsion Phase Behavior of Sodium Linear Alkylbenzene Sulfonate with Tetrabutyl- And Benzyltributyl-Substituted Ammonium Halides. Ind Eng Chem Res 2009. [DOI: 10.1021/ie801873f] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Deeleep K. Rout
- Unilever Research India and Hindustan Unilever Research Centre, 64 Main Road, Whitefield, Bangalore 560066, India, and Indian Institute of Technology, Kanpur, India
| | - Siddharth Chauhan
- Unilever Research India and Hindustan Unilever Research Centre, 64 Main Road, Whitefield, Bangalore 560066, India, and Indian Institute of Technology, Kanpur, India
| | - Ashwani Agarwal
- Unilever Research India and Hindustan Unilever Research Centre, 64 Main Road, Whitefield, Bangalore 560066, India, and Indian Institute of Technology, Kanpur, India
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12
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Rheological behavior of PAA–C n TAB complex: influence of PAA charge density and surfactant tail length in PAA semidilute aqueous solution. Colloid Polym Sci 2009. [DOI: 10.1007/s00396-009-2045-9] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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13
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Langevin D. Complexation of oppositely charged polyelectrolytes and surfactants in aqueous solutions. A review. Adv Colloid Interface Sci 2009; 147-148:170-7. [PMID: 18929350 DOI: 10.1016/j.cis.2008.08.013] [Citation(s) in RCA: 177] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2008] [Revised: 08/19/2008] [Accepted: 08/27/2008] [Indexed: 11/19/2022]
Abstract
Addition of surfactants to aqueous solutions of polyelectrolytes causes the spontaneous formation of complexes in a certain range of concentrations. In some conditions, compact monodisperse multichain complexes are obtained (short surfactant chain length and polymer rigid enough). The size of the complexes can be varied in controlled way from nanometers up to micrometers, but depends on the mixing procedure, whereas the shape of the complexes depends on the polymer backbone rigidity. These complexes exhibit microstructures analogue to that of the precipitates formed at higher concentrations. In most cases, however, the complexes are large, soft and polydisperse.
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Affiliation(s)
- Dominique Langevin
- Laboratoire de Physique des Solides, UMR CNRS 8502, Université Paris-Sud, Orsay, France
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14
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Lu T, Li Z, Huang J, Fu H. Aqueous surfactant two-phase systems in a mixture of cationic gemini and anionic surfactants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2008; 24:10723-10728. [PMID: 18720962 DOI: 10.1021/la801301v] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/26/2023]
Abstract
The phase behavior as well as the microstructures of the cationic gemini surfactant and anionic conventional surfactant aqueous two-phase system (ASTP) have been studied. The ASTP formation can be attributed to the coexistence of different kinds of aggregates in the upper and lower phases. The effects of temperature, shearing, surfactant concentration and mixing molar ratio on the phase separation of the ASTP-forming systems are systematically investigated. The ASTP can be destroyed by applying shear and increasing temperature. In this process, the lamellar structures (flat bilayers) in the ASTP are transformed into vesicles. Variation of surfactant structure also affects the phase behavior and the aggregates transformation. Appropriate molecular packing is crucial for the formation of ASTP.
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Affiliation(s)
- Ting Lu
- Beijing National Laboratory for Molecular Science, State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, Peking University, Beijing, 100871, P. R. China
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Wang K, Yin H, Sha W, Huang J, Fu H. Temperature-Sensitive Aqueous Surfactant Two-Phase System Formation in Cationic−Anionic Surfactant Systems. J Phys Chem B 2007; 111:12997-3005. [DOI: 10.1021/jp073903o] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ke Wang
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, and College of Life Science, Peking University, Beijing 100871, P. R. China
| | - Haiqing Yin
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, and College of Life Science, Peking University, Beijing 100871, P. R. China
| | - Wei Sha
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, and College of Life Science, Peking University, Beijing 100871, P. R. China
| | - Jianbin Huang
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, and College of Life Science, Peking University, Beijing 100871, P. R. China
| | - Honglan Fu
- Beijing National Laboratory for Molecular Sciences (BNLMS), State Key Laboratory for Structural Chemistry of Unstable and Stable Species, College of Chemistry and Molecular Engineering, and College of Life Science, Peking University, Beijing 100871, P. R. China
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Trabelsi S, Raspaud E, Langevin D. Aggregate formation in aqueous solutions of carboxymethylcellulose and cationic surfactants. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2007; 23:10053-62. [PMID: 17715954 DOI: 10.1021/la7016177] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/16/2023]
Abstract
The addition of cationic surfactants to an aqueous solution of an anionic polymer, carboxymethylcellulose (carboxyMC), causes the spontaneous formation of aggregates in a certain range of concentrations. Here we studied two surfactants, dodecyl and hexadecyl trimethylammonium bromide (DTAB and CTAB, respectively). Using different techniques (light scattering, potentiometry, viscosimetry, and zetametry), we found that a simple lengthening of the surfactant tail length by four CH2 groups drastically changes the aggregate morphology, size, and charge. We explored in detail how the surfactant and polymer concentrations act on these systems.
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Affiliation(s)
- Siwar Trabelsi
- Laboratoire de Physique des Solides, Université Paris-Sud, Bâtiment 510, 91405 Orsay Cedex, France
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