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Micellar and solubi...
Micellar and solubilizing properties of rhamnolipids
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- Arkhipov, Victor P. (author)
- Department of Physics Kazan National Research Technological University Kazan 420015 Russian Federation
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- Arkhipov, Ruslan V. (author)
- Institute of Physics Kazan Federal University Kazan 420008 Russian Federation
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- Petrova, Ekaterina V. (author)
- Department of Analytical Chemistry Kazan National Research Technological University Kazan 420015 Russian Federation
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- Filippov, Andrei, PhD, 1957- (author)
- Luleå tekniska universitet,Kemiteknik
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(creator_code:org_t)
- 2023-03
- 2023
- English.
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In: Magnetic Resonance in Chemistry. - : John Wiley & Sons. - 0749-1581 .- 1097-458X. ; 61:6, s. 345-355
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Abstract
Subject headings
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- We studied the micellar and solubilizing properties of aqueous solutions of unfractionated rhamnolipids produced by Pseudomonas aeruginosa. We used nuclear magnetic resonance (NMR) diffusometry, dynamic light scattering, and conductometry to measure the critical micelle concentration (CMC) of rhamnolipid solutions and determined the effective hydrodynamic radii of rhamnolipid monomers and micelles. Based on selective measurements of the self-diffusion coefficients of molecules, performed by NMR diffusometry, the solubilizing properties of rhamnolipids were studied depending on their concentration in solution; aromatic hydrocarbons, benzene, toluene, ethylbenzene, and para-xylene were taken as solubilizates. On the basis of the measurement results, we estimated the distribution coefficient of the solubilizate between the micellar (solubilized) and free (in the aqueous phase) states and the solubilizing capacity of rhamnolipid micelles.
Subject headings
- NATURVETENSKAP -- Kemi -- Fysikalisk kemi (hsv//swe)
- NATURAL SCIENCES -- Chemical Sciences -- Physical Chemistry (hsv//eng)
Keyword
- aromatic hydrocarbons
- CMC
- dynamic light scattering
- NMR
- rhamnolipids
- self-diffusion coefficients
- solubilization
- Chemistry of Interfaces
- Gränsytors kemi
Publication and Content Type
- ref (subject category)
- art (subject category)
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