A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR
Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micel...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Chai, S. G. [verfasserIn] |
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| Format: |
Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2016 |
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| Schlagwörter: |
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| Anmerkung: |
© Pleiades Publishing, Ltd. 2016 |
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| Übergeordnetes Werk: |
Enthalten in: Vysokomolekuljarnye soedinenija / A i B - Pleiades Publishing, 1993, 58(2016), 3 vom: 15. Apr., Seite 315-323 |
|---|---|
| Übergeordnetes Werk: |
volume:58 ; year:2016 ; number:3 ; day:15 ; month:04 ; pages:315-323 |
| Links: |
|---|
| DOI / URN: |
10.1134/S0965545X16030032 |
|---|
| Katalog-ID: |
OLC2086593287 |
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| 520 | |a Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. | ||
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10.1134/S0965545X16030032 doi (DE-627)OLC2086593287 (DE-He213)S0965545X16030032-p DE-627 ger DE-627 rakwb eng 540 530 VZ Chai, S. G. verfasserin aut A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. Surfactant Critical Micelle Concentration Cross Peak Gemini Surfactant Critical Aggregation Concentration Zhang, H. aut Xie, L. aut Zou, Q. C. aut Zhang, J. Z. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Pleiades Publishing, 1993 58(2016), 3 vom: 15. Apr., Seite 315-323 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:58 year:2016 number:3 day:15 month:04 pages:315-323 https://doi.org/10.1134/S0965545X16030032 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE AR 58 2016 3 15 04 315-323 |
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10.1134/S0965545X16030032 doi (DE-627)OLC2086593287 (DE-He213)S0965545X16030032-p DE-627 ger DE-627 rakwb eng 540 530 VZ Chai, S. G. verfasserin aut A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. Surfactant Critical Micelle Concentration Cross Peak Gemini Surfactant Critical Aggregation Concentration Zhang, H. aut Xie, L. aut Zou, Q. C. aut Zhang, J. Z. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Pleiades Publishing, 1993 58(2016), 3 vom: 15. Apr., Seite 315-323 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:58 year:2016 number:3 day:15 month:04 pages:315-323 https://doi.org/10.1134/S0965545X16030032 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE AR 58 2016 3 15 04 315-323 |
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10.1134/S0965545X16030032 doi (DE-627)OLC2086593287 (DE-He213)S0965545X16030032-p DE-627 ger DE-627 rakwb eng 540 530 VZ Chai, S. G. verfasserin aut A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. Surfactant Critical Micelle Concentration Cross Peak Gemini Surfactant Critical Aggregation Concentration Zhang, H. aut Xie, L. aut Zou, Q. C. aut Zhang, J. Z. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Pleiades Publishing, 1993 58(2016), 3 vom: 15. Apr., Seite 315-323 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:58 year:2016 number:3 day:15 month:04 pages:315-323 https://doi.org/10.1134/S0965545X16030032 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE AR 58 2016 3 15 04 315-323 |
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10.1134/S0965545X16030032 doi (DE-627)OLC2086593287 (DE-He213)S0965545X16030032-p DE-627 ger DE-627 rakwb eng 540 530 VZ Chai, S. G. verfasserin aut A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. Surfactant Critical Micelle Concentration Cross Peak Gemini Surfactant Critical Aggregation Concentration Zhang, H. aut Xie, L. aut Zou, Q. C. aut Zhang, J. Z. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Pleiades Publishing, 1993 58(2016), 3 vom: 15. Apr., Seite 315-323 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:58 year:2016 number:3 day:15 month:04 pages:315-323 https://doi.org/10.1134/S0965545X16030032 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE AR 58 2016 3 15 04 315-323 |
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10.1134/S0965545X16030032 doi (DE-627)OLC2086593287 (DE-He213)S0965545X16030032-p DE-627 ger DE-627 rakwb eng 540 530 VZ Chai, S. G. verfasserin aut A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR 2016 Text txt rdacontent ohne Hilfsmittel zu benutzen n rdamedia Band nc rdacarrier © Pleiades Publishing, Ltd. 2016 Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. Surfactant Critical Micelle Concentration Cross Peak Gemini Surfactant Critical Aggregation Concentration Zhang, H. aut Xie, L. aut Zou, Q. C. aut Zhang, J. Z. aut Enthalten in Vysokomolekuljarnye soedinenija / A i B Pleiades Publishing, 1993 58(2016), 3 vom: 15. Apr., Seite 315-323 (DE-627)131210092 (DE-600)1155389-3 (DE-576)038486814 0507-5483 nnns volume:58 year:2016 number:3 day:15 month:04 pages:315-323 https://doi.org/10.1134/S0965545X16030032 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_OLC SSG-OLC-PHY SSG-OLC-CHE AR 58 2016 3 15 04 315-323 |
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540 530 VZ A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR Surfactant Critical Micelle Concentration Cross Peak Gemini Surfactant Critical Aggregation Concentration |
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A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR |
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A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR |
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Chai, S. G. |
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Vysokomolekuljarnye soedinenija / A i B |
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2016 |
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Chai, S. G. Zhang, H. Xie, L. Zou, Q. C. Zhang, J. Z. |
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540 530 VZ |
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540 530 |
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a study of the interaction between polyvinylpyrrolidone and gemini surfactant g12-3-12 by nmr |
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A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR |
| abstract |
Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. © Pleiades Publishing, Ltd. 2016 |
| abstractGer |
Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. © Pleiades Publishing, Ltd. 2016 |
| abstract_unstemmed |
Abstract The interaction between a water-soluble polymer polyvinylpyrrolidone (PVP) and a gemini surfactant N,N'-didodecyl-N,N,N',N'-tetramethyl-N,N'-propanediyl-diammonium dibromide (G12-3-12) was investigated by means of NMR in a $ D_{2} $O solution at 298 K. The critical micelle concentration (СMC), critical aggregation concentration (СAC) and adsorption reached the saturated concentration (C2) were confirmed by chemical shift and self-diffusion coefficients, respectively. The results of the relaxation time ratio (TR = T2/T1) of G12-3-12 show that the motion of the ionic head $ N^{+} $–CH3* proton (G6) is seriously restricted, and thus, it can be proved that the cationic head groups are situated in the hydrophilic layer of the micelle. The size of the mixed-aggregates in the G12-3-12/PVP solution is larger than pure G12-3-12 micelles according to self-diffusion coefficients, indicating that the G12-3-12 and PVP has formed mixed micelles, and ionic heads $ N^{+} $–CH3* become more tightly packed in the hydrophilic layer of the micelle shell. On the other hand, strong cross peaks, such as G1-P2, G1-P3, and G2-P3, appear in the 2D nuclear Overhauser enhancement spectroscopy (2D NOESY) spectra of the G12-3-12/PVP system, further indicating that the interaction sites are located between the hydrophobic tail of G12-3-12 and PVP ring. © Pleiades Publishing, Ltd. 2016 |
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A study of the interaction between polyvinylpyrrolidone and gemini surfactant G12-3-12 by NMR |
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