Size effect of graphene oxide sheets on enantioseparation performances in membrane separation
Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chir...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Li, Xiaoxiao [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2021transfer abstract |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Reaction mechanism investigation of furfural conversion to 2-methylfuran on Cu(1 1 1) surface - Ren, Guoqing ELSEVIER, 2018, an international journal devoted to the principles and applications of colloid and interface science, Amsterdam [u.a.] |
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| Übergeordnetes Werk: |
volume:618 ; year:2021 ; day:5 ; month:06 ; pages:0 |
| Links: |
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| DOI / URN: |
10.1016/j.colsurfa.2021.126464 |
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ELV053726413 |
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| 520 | |a Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. | ||
| 520 | |a Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. | ||
| 650 | 7 | |a Membrane separation |2 Elsevier | |
| 650 | 7 | |a Lateral sizes |2 Elsevier | |
| 650 | 7 | |a Enantioseparation |2 Elsevier | |
| 650 | 7 | |a Graphene oxide |2 Elsevier | |
| 700 | 1 | |a Tong, Xuefeng |4 oth | |
| 700 | 1 | |a Chen, Qibin |4 oth | |
| 700 | 1 | |a Liu, Honglai |4 oth | |
| 773 | 0 | 8 | |i Enthalten in |n Elsevier Science |a Ren, Guoqing ELSEVIER |t Reaction mechanism investigation of furfural conversion to 2-methylfuran on Cu(1 1 1) surface |d 2018 |d an international journal devoted to the principles and applications of colloid and interface science |g Amsterdam [u.a.] |w (DE-627)ELV003763498 |
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10.1016/j.colsurfa.2021.126464 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001366.pica (DE-627)ELV053726413 (ELSEVIER)S0927-7757(21)00333-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.10 bkl Li, Xiaoxiao verfasserin aut Size effect of graphene oxide sheets on enantioseparation performances in membrane separation 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Membrane separation Elsevier Lateral sizes Elsevier Enantioseparation Elsevier Graphene oxide Elsevier Tong, Xuefeng oth Chen, Qibin oth Liu, Honglai oth Enthalten in Elsevier Science Ren, Guoqing ELSEVIER Reaction mechanism investigation of furfural conversion to 2-methylfuran on Cu(1 1 1) surface 2018 an international journal devoted to the principles and applications of colloid and interface science Amsterdam [u.a.] (DE-627)ELV003763498 volume:618 year:2021 day:5 month:06 pages:0 https://doi.org/10.1016/j.colsurfa.2021.126464 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.10 Physikalische Chemie: Allgemeines VZ AR 618 2021 5 0605 0 |
| spelling |
10.1016/j.colsurfa.2021.126464 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001366.pica (DE-627)ELV053726413 (ELSEVIER)S0927-7757(21)00333-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.10 bkl Li, Xiaoxiao verfasserin aut Size effect of graphene oxide sheets on enantioseparation performances in membrane separation 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Membrane separation Elsevier Lateral sizes Elsevier Enantioseparation Elsevier Graphene oxide Elsevier Tong, Xuefeng oth Chen, Qibin oth Liu, Honglai oth Enthalten in Elsevier Science Ren, Guoqing ELSEVIER Reaction mechanism investigation of furfural conversion to 2-methylfuran on Cu(1 1 1) surface 2018 an international journal devoted to the principles and applications of colloid and interface science Amsterdam [u.a.] (DE-627)ELV003763498 volume:618 year:2021 day:5 month:06 pages:0 https://doi.org/10.1016/j.colsurfa.2021.126464 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.10 Physikalische Chemie: Allgemeines VZ AR 618 2021 5 0605 0 |
| allfields_unstemmed |
10.1016/j.colsurfa.2021.126464 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001366.pica (DE-627)ELV053726413 (ELSEVIER)S0927-7757(21)00333-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.10 bkl Li, Xiaoxiao verfasserin aut Size effect of graphene oxide sheets on enantioseparation performances in membrane separation 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Membrane separation Elsevier Lateral sizes Elsevier Enantioseparation Elsevier Graphene oxide Elsevier Tong, Xuefeng oth Chen, Qibin oth Liu, Honglai oth Enthalten in Elsevier Science Ren, Guoqing ELSEVIER Reaction mechanism investigation of furfural conversion to 2-methylfuran on Cu(1 1 1) surface 2018 an international journal devoted to the principles and applications of colloid and interface science Amsterdam [u.a.] (DE-627)ELV003763498 volume:618 year:2021 day:5 month:06 pages:0 https://doi.org/10.1016/j.colsurfa.2021.126464 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.10 Physikalische Chemie: Allgemeines VZ AR 618 2021 5 0605 0 |
| allfieldsGer |
10.1016/j.colsurfa.2021.126464 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001366.pica (DE-627)ELV053726413 (ELSEVIER)S0927-7757(21)00333-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.10 bkl Li, Xiaoxiao verfasserin aut Size effect of graphene oxide sheets on enantioseparation performances in membrane separation 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Membrane separation Elsevier Lateral sizes Elsevier Enantioseparation Elsevier Graphene oxide Elsevier Tong, Xuefeng oth Chen, Qibin oth Liu, Honglai oth Enthalten in Elsevier Science Ren, Guoqing ELSEVIER Reaction mechanism investigation of furfural conversion to 2-methylfuran on Cu(1 1 1) surface 2018 an international journal devoted to the principles and applications of colloid and interface science Amsterdam [u.a.] (DE-627)ELV003763498 volume:618 year:2021 day:5 month:06 pages:0 https://doi.org/10.1016/j.colsurfa.2021.126464 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.10 Physikalische Chemie: Allgemeines VZ AR 618 2021 5 0605 0 |
| allfieldsSound |
10.1016/j.colsurfa.2021.126464 doi /cbs_pica/cbs_olc/import_discovery/elsevier/einzuspielen/GBV00000000001366.pica (DE-627)ELV053726413 (ELSEVIER)S0927-7757(21)00333-2 DE-627 ger DE-627 rakwb eng 540 VZ 35.10 bkl Li, Xiaoxiao verfasserin aut Size effect of graphene oxide sheets on enantioseparation performances in membrane separation 2021transfer abstract nicht spezifiziert zzz rdacontent nicht spezifiziert z rdamedia nicht spezifiziert zu rdacarrier Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. Membrane separation Elsevier Lateral sizes Elsevier Enantioseparation Elsevier Graphene oxide Elsevier Tong, Xuefeng oth Chen, Qibin oth Liu, Honglai oth Enthalten in Elsevier Science Ren, Guoqing ELSEVIER Reaction mechanism investigation of furfural conversion to 2-methylfuran on Cu(1 1 1) surface 2018 an international journal devoted to the principles and applications of colloid and interface science Amsterdam [u.a.] (DE-627)ELV003763498 volume:618 year:2021 day:5 month:06 pages:0 https://doi.org/10.1016/j.colsurfa.2021.126464 Volltext GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA 35.10 Physikalische Chemie: Allgemeines VZ AR 618 2021 5 0605 0 |
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Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation.</subfield></datafield><datafield tag="520" ind1=" " ind2=" "><subfield code="a">Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. 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Reaction mechanism investigation of furfural conversion to 2-methylfuran on Cu(1 1 1) surface |
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size effect of graphene oxide sheets on enantioseparation performances in membrane separation |
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Size effect of graphene oxide sheets on enantioseparation performances in membrane separation |
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Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. |
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Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. |
| abstract_unstemmed |
Recently, graphene oxide (GO)-based membranes have been demonstrated to be a potential candidate for gas purification and liquid separation techniques owing to their large surface area, tunable interactive sites, and adjustable interlayer spacing. Notably, GO-based membranes functionalized with chiral selectors have been demonstrated to possess high enantiomer permeability and impressive permeation selectivity toward enantiomeric target guests. However, the influence of the GO sheet size on the separation performance remains unclear. Here, we investigated the effect of the lateral size on the enantioseparation performances by modifying a chiral selector onto GO flakes with different sizes, considering that GO membranes possess an inherently high throughput character. In this work, three GO sheets with mean lateral sizes (~60, 650 and 4100 nm) were prepared, hereafter defined as GO1, GO2, and GO3, respectively. Then, a chemical modification of GO1, GO2 and GO3 with a chiral selector, L -Phenylalanine ( L -Phe), yielded the corresponding L -Phe grafted GO sheets, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3. Finally, L -Phe-GO1, L -Phe-GO2 and L -Phe-GO3 membranes derived from a simple vacuum filtration method were employed to separate D-/ L -phenylalanine. Results show that the L -Phe-GO3 based membrane allows for a remarkable chiral separation capacity, having a greatest enantioselectivity among three L -Phe-GO membranes with different lateral GO sizes. Our findings illustrate that the sheet size of GOs plays a dominant role in the enantioselectivity of membrane separation. |
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