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231226s2022 xx |||||o 00| ||eng c |
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|a 10.1021/acs.langmuir.2c00181
|2 doi
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|a pubmed24n1141.xml
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|a (NLM)35723451
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|a DE-627
|b ger
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|e rakwb
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| 041 |
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|a eng
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| 100 |
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|a Jing, Junhao
|e verfasserin
|4 aut
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|a pH-Responsive Regulation of a Surfactant-Free Microemulsion Based on Hydrophobic Deep Eutectic Solvents
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|c 2022
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|a Text
|b txt
|2 rdacontent
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|a ƒaComputermedien
|b c
|2 rdamedia
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|a ƒa Online-Ressource
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|2 rdacarrier
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|a Date Revised 06.07.2022
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|a published: Print-Electronic
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|a Citation Status PubMed-not-MEDLINE
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|a Microemulsions containing a responsive hydrophobic deep eutectic solvent (HDES) as the oil phase that can replace conventional organic solvents are considered to be a green strategy. It is anticipated that a pH-responsive HDES is synthesized to prepare rapid responsive surfactant-free microemulsions (SFMEs), which enable the transition from SFMEs to nanoemulsions. Menthol and n-octanoic acid (OA) were assembled into HDES by hydrogen bonding at a molar ratio of 1:2. The pH-responsive HDES as the oil phase and isopropyl alcohol (IPA) as the double solvent could form HDES/IPA/water SFMEs, which have unique responsiveness. Specifically, from the nuclear magnetic resonance hydrogen spectrum, pH, thermogravimetry, and Fourier transform infrared spectroscopy investigations, the excellent switchability and stability of menthol-OA were demonstrated. On the basis of these complexes, microemulsions were successfully prepared. Electrical conductivity and pH measurements were used to determine the structures of microemulsions and the phase inversion process. The effects of the contents of water and HDES, NaCl concentration, and pH of the system were investigated. Nanoemulsions were successfully prepared on the basis of the pH response of the microemulsions. In addition, the prepared nanoemulsion has a unique pH-responsive behavior that can be controllably regulated among nanoemulsions, microemulsions, and phase separation systems
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|a Journal Article
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1 |
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|a Li, Xiaojiang
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Zhang, Ying
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Liu, Ya
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Lu, Hongsheng
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wang, Jinyu
|e verfasserin
|4 aut
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| 700 |
1 |
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|a Wu, Yuanpeng
|e verfasserin
|4 aut
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| 773 |
0 |
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|i Enthalten in
|t Langmuir : the ACS journal of surfaces and colloids
|d 1992
|g 38(2022), 26 vom: 05. Juli, Seite 7898-7905
|w (DE-627)NLM098181009
|x 1520-5827
|7 nnns
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| 773 |
1 |
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|g volume:38
|g year:2022
|g number:26
|g day:05
|g month:07
|g pages:7898-7905
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|u http://dx.doi.org/10.1021/acs.langmuir.2c00181
|3 Volltext
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