A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption
The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Zhang, Lili [verfasserIn] Shen, Shuguang [verfasserIn] Guo, Chenyuan [verfasserIn] Yuan, Yaping [verfasserIn] Li, Jing [verfasserIn] Xing, Yuanquan [verfasserIn] He, Yanli [verfasserIn] Luo, Yankun [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2023 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Chemical engineering science - Amsterdam [u.a.] : Elsevier Science, 1951, 283 |
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| Übergeordnetes Werk: |
volume:283 |
| DOI / URN: |
10.1016/j.ces.2023.119401 |
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ELV065608615 |
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| 245 | 1 | 0 | |a A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption |
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| 520 | |a The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. | ||
| 650 | 4 | |a Cellulose aerogel | |
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| 700 | 1 | |a Li, Jing |e verfasserin |4 aut | |
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| 700 | 1 | |a He, Yanli |e verfasserin |4 aut | |
| 700 | 1 | |a Luo, Yankun |e verfasserin |4 aut | |
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10.1016/j.ces.2023.119401 doi (DE-627)ELV065608615 (ELSEVIER)S0009-2509(23)00957-0 DE-627 ger DE-627 rda eng 660 VZ 58.14 bkl Zhang, Lili verfasserin aut A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. Cellulose aerogel APTES Urea adsorption Grafting density Shen, Shuguang verfasserin aut Guo, Chenyuan verfasserin aut Yuan, Yaping verfasserin aut Li, Jing verfasserin aut Xing, Yuanquan verfasserin aut He, Yanli verfasserin aut Luo, Yankun verfasserin aut Enthalten in Chemical engineering science Amsterdam [u.a.] : Elsevier Science, 1951 283 Online-Ressource (DE-627)306717794 (DE-600)1501538-5 (DE-576)094503982 nnns volume:283 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.14 Chemische Reaktionstechnik VZ AR 283 |
| spelling |
10.1016/j.ces.2023.119401 doi (DE-627)ELV065608615 (ELSEVIER)S0009-2509(23)00957-0 DE-627 ger DE-627 rda eng 660 VZ 58.14 bkl Zhang, Lili verfasserin aut A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. Cellulose aerogel APTES Urea adsorption Grafting density Shen, Shuguang verfasserin aut Guo, Chenyuan verfasserin aut Yuan, Yaping verfasserin aut Li, Jing verfasserin aut Xing, Yuanquan verfasserin aut He, Yanli verfasserin aut Luo, Yankun verfasserin aut Enthalten in Chemical engineering science Amsterdam [u.a.] : Elsevier Science, 1951 283 Online-Ressource (DE-627)306717794 (DE-600)1501538-5 (DE-576)094503982 nnns volume:283 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.14 Chemische Reaktionstechnik VZ AR 283 |
| allfields_unstemmed |
10.1016/j.ces.2023.119401 doi (DE-627)ELV065608615 (ELSEVIER)S0009-2509(23)00957-0 DE-627 ger DE-627 rda eng 660 VZ 58.14 bkl Zhang, Lili verfasserin aut A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. Cellulose aerogel APTES Urea adsorption Grafting density Shen, Shuguang verfasserin aut Guo, Chenyuan verfasserin aut Yuan, Yaping verfasserin aut Li, Jing verfasserin aut Xing, Yuanquan verfasserin aut He, Yanli verfasserin aut Luo, Yankun verfasserin aut Enthalten in Chemical engineering science Amsterdam [u.a.] : Elsevier Science, 1951 283 Online-Ressource (DE-627)306717794 (DE-600)1501538-5 (DE-576)094503982 nnns volume:283 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.14 Chemische Reaktionstechnik VZ AR 283 |
| allfieldsGer |
10.1016/j.ces.2023.119401 doi (DE-627)ELV065608615 (ELSEVIER)S0009-2509(23)00957-0 DE-627 ger DE-627 rda eng 660 VZ 58.14 bkl Zhang, Lili verfasserin aut A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. Cellulose aerogel APTES Urea adsorption Grafting density Shen, Shuguang verfasserin aut Guo, Chenyuan verfasserin aut Yuan, Yaping verfasserin aut Li, Jing verfasserin aut Xing, Yuanquan verfasserin aut He, Yanli verfasserin aut Luo, Yankun verfasserin aut Enthalten in Chemical engineering science Amsterdam [u.a.] : Elsevier Science, 1951 283 Online-Ressource (DE-627)306717794 (DE-600)1501538-5 (DE-576)094503982 nnns volume:283 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.14 Chemische Reaktionstechnik VZ AR 283 |
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10.1016/j.ces.2023.119401 doi (DE-627)ELV065608615 (ELSEVIER)S0009-2509(23)00957-0 DE-627 ger DE-627 rda eng 660 VZ 58.14 bkl Zhang, Lili verfasserin aut A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption 2023 nicht spezifiziert zzz rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. Cellulose aerogel APTES Urea adsorption Grafting density Shen, Shuguang verfasserin aut Guo, Chenyuan verfasserin aut Yuan, Yaping verfasserin aut Li, Jing verfasserin aut Xing, Yuanquan verfasserin aut He, Yanli verfasserin aut Luo, Yankun verfasserin aut Enthalten in Chemical engineering science Amsterdam [u.a.] : Elsevier Science, 1951 283 Online-Ressource (DE-627)306717794 (DE-600)1501538-5 (DE-576)094503982 nnns volume:283 GBV_USEFLAG_U GBV_ELV SYSFLAG_U SSG-OLC-PHA GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_65 GBV_ILN_69 GBV_ILN_70 GBV_ILN_73 GBV_ILN_74 GBV_ILN_90 GBV_ILN_95 GBV_ILN_100 GBV_ILN_105 GBV_ILN_110 GBV_ILN_150 GBV_ILN_151 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_370 GBV_ILN_602 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2007 GBV_ILN_2009 GBV_ILN_2010 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2015 GBV_ILN_2020 GBV_ILN_2021 GBV_ILN_2025 GBV_ILN_2026 GBV_ILN_2027 GBV_ILN_2034 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2056 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2106 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2470 GBV_ILN_2507 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4242 GBV_ILN_4249 GBV_ILN_4251 GBV_ILN_4305 GBV_ILN_4306 GBV_ILN_4307 GBV_ILN_4313 GBV_ILN_4322 GBV_ILN_4323 GBV_ILN_4324 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 58.14 Chemische Reaktionstechnik VZ AR 283 |
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A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption |
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A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption |
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Zhang, Lili |
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Zhang, Lili Shen, Shuguang Guo, Chenyuan Yuan, Yaping Li, Jing Xing, Yuanquan He, Yanli Luo, Yankun |
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10.1016/j.ces.2023.119401 |
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a gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption |
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A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption |
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The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. |
| abstractGer |
The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. |
| abstract_unstemmed |
The development of efficient adsorbent materials to remove urea from dialysate is an effective way to solve the bottleneck limiting the development of a wearable artificial kidney. Three methods were used to fabricate amine-functionalized cellulose aerogels aiming to screen for excellent structures favorable for urea adsorption. The influence of APTES addition on the structure and adsorption performance of the adsorption materials was investigated. The kinetics and thermodynamics of urea adsorption were evaluated, and adsorption mechanisms were also discussed. Results indicate that the material prepared by the gentle method was still able to maintain a large specific surface area, large pore volume and low crystallinity. Amine-functionalized cellulose aerogels retain the original hydroxyl adsorption sites, and the amino or silanol hydroxyl as new adsorption active sites are also introduced. Furthermore, proper APTES graft density plays a critical role in the urea adsorption. The equilibrium adsorption capacity of urea on HA-N-NCA-10 is increased by 156%. |
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A gentle strategy to design amine-functionalized cellulose aerogel with tunable graft density for urea adsorption |
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Shen, Shuguang Guo, Chenyuan Yuan, Yaping Li, Jing Xing, Yuanquan He, Yanli Luo, Yankun |
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