Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol
Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for c...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
Shao, Jian [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2007 |
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| Schlagwörter: |
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| Anmerkung: |
© Springer Science+Business Media B.V. 2007 |
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| Übergeordnetes Werk: |
Enthalten in: Biotechnology letters - Dordrecht [u.a.] : Springer Science + Business Media B.V, 1979, 29(2007), 6 vom: 07. Apr., Seite 901-905 |
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| Übergeordnetes Werk: |
volume:29 ; year:2007 ; number:6 ; day:07 ; month:04 ; pages:901-905 |
| Links: |
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| DOI / URN: |
10.1007/s10529-007-9329-2 |
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| Katalog-ID: |
SPR010837957 |
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| 100 | 1 | |a Shao, Jian |e verfasserin |4 aut | |
| 245 | 1 | 0 | |a Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol |
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| 520 | |a Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. | ||
| 650 | 4 | |a Chitosan |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Immobilization |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Phenol |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Polyphenol oxidase |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Ge, Huimin |4 aut | |
| 700 | 1 | |a Yang, Yumin |4 aut | |
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10.1007/s10529-007-9329-2 doi (DE-627)SPR010837957 (SPR)s10529-007-9329-2-e DE-627 ger DE-627 rakwb eng Shao, Jian verfasserin aut Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media B.V. 2007 Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. Chitosan (dpeaa)DE-He213 Immobilization (dpeaa)DE-He213 Phenol (dpeaa)DE-He213 Polyphenol oxidase (dpeaa)DE-He213 Ge, Huimin aut Yang, Yumin aut Enthalten in Biotechnology letters Dordrecht [u.a.] : Springer Science + Business Media B.V, 1979 29(2007), 6 vom: 07. Apr., Seite 901-905 (DE-627)312808356 (DE-600)2012203-2 1573-6776 nnns volume:29 year:2007 number:6 day:07 month:04 pages:901-905 https://dx.doi.org/10.1007/s10529-007-9329-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 29 2007 6 07 04 901-905 |
| spelling |
10.1007/s10529-007-9329-2 doi (DE-627)SPR010837957 (SPR)s10529-007-9329-2-e DE-627 ger DE-627 rakwb eng Shao, Jian verfasserin aut Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media B.V. 2007 Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. Chitosan (dpeaa)DE-He213 Immobilization (dpeaa)DE-He213 Phenol (dpeaa)DE-He213 Polyphenol oxidase (dpeaa)DE-He213 Ge, Huimin aut Yang, Yumin aut Enthalten in Biotechnology letters Dordrecht [u.a.] : Springer Science + Business Media B.V, 1979 29(2007), 6 vom: 07. Apr., Seite 901-905 (DE-627)312808356 (DE-600)2012203-2 1573-6776 nnns volume:29 year:2007 number:6 day:07 month:04 pages:901-905 https://dx.doi.org/10.1007/s10529-007-9329-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 29 2007 6 07 04 901-905 |
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10.1007/s10529-007-9329-2 doi (DE-627)SPR010837957 (SPR)s10529-007-9329-2-e DE-627 ger DE-627 rakwb eng Shao, Jian verfasserin aut Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media B.V. 2007 Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. Chitosan (dpeaa)DE-He213 Immobilization (dpeaa)DE-He213 Phenol (dpeaa)DE-He213 Polyphenol oxidase (dpeaa)DE-He213 Ge, Huimin aut Yang, Yumin aut Enthalten in Biotechnology letters Dordrecht [u.a.] : Springer Science + Business Media B.V, 1979 29(2007), 6 vom: 07. Apr., Seite 901-905 (DE-627)312808356 (DE-600)2012203-2 1573-6776 nnns volume:29 year:2007 number:6 day:07 month:04 pages:901-905 https://dx.doi.org/10.1007/s10529-007-9329-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 29 2007 6 07 04 901-905 |
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10.1007/s10529-007-9329-2 doi (DE-627)SPR010837957 (SPR)s10529-007-9329-2-e DE-627 ger DE-627 rakwb eng Shao, Jian verfasserin aut Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media B.V. 2007 Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. Chitosan (dpeaa)DE-He213 Immobilization (dpeaa)DE-He213 Phenol (dpeaa)DE-He213 Polyphenol oxidase (dpeaa)DE-He213 Ge, Huimin aut Yang, Yumin aut Enthalten in Biotechnology letters Dordrecht [u.a.] : Springer Science + Business Media B.V, 1979 29(2007), 6 vom: 07. Apr., Seite 901-905 (DE-627)312808356 (DE-600)2012203-2 1573-6776 nnns volume:29 year:2007 number:6 day:07 month:04 pages:901-905 https://dx.doi.org/10.1007/s10529-007-9329-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 29 2007 6 07 04 901-905 |
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10.1007/s10529-007-9329-2 doi (DE-627)SPR010837957 (SPR)s10529-007-9329-2-e DE-627 ger DE-627 rakwb eng Shao, Jian verfasserin aut Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol 2007 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier © Springer Science+Business Media B.V. 2007 Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. Chitosan (dpeaa)DE-He213 Immobilization (dpeaa)DE-He213 Phenol (dpeaa)DE-He213 Polyphenol oxidase (dpeaa)DE-He213 Ge, Huimin aut Yang, Yumin aut Enthalten in Biotechnology letters Dordrecht [u.a.] : Springer Science + Business Media B.V, 1979 29(2007), 6 vom: 07. Apr., Seite 901-905 (DE-627)312808356 (DE-600)2012203-2 1573-6776 nnns volume:29 year:2007 number:6 day:07 month:04 pages:901-905 https://dx.doi.org/10.1007/s10529-007-9329-2 lizenzpflichtig Volltext GBV_USEFLAG_A SYSFLAG_A GBV_SPRINGER SSG-OLC-PHA GBV_ILN_11 GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 GBV_ILN_31 GBV_ILN_32 GBV_ILN_39 GBV_ILN_40 GBV_ILN_60 GBV_ILN_62 GBV_ILN_63 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_120 GBV_ILN_138 GBV_ILN_150 GBV_ILN_151 GBV_ILN_152 GBV_ILN_161 GBV_ILN_170 GBV_ILN_171 GBV_ILN_187 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_250 GBV_ILN_281 GBV_ILN_285 GBV_ILN_293 GBV_ILN_370 GBV_ILN_602 GBV_ILN_636 GBV_ILN_702 GBV_ILN_2001 GBV_ILN_2003 GBV_ILN_2004 GBV_ILN_2005 GBV_ILN_2006 GBV_ILN_2007 GBV_ILN_2008 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_2031 GBV_ILN_2034 GBV_ILN_2037 GBV_ILN_2038 GBV_ILN_2039 GBV_ILN_2044 GBV_ILN_2048 GBV_ILN_2049 GBV_ILN_2050 GBV_ILN_2055 GBV_ILN_2057 GBV_ILN_2059 GBV_ILN_2061 GBV_ILN_2064 GBV_ILN_2065 GBV_ILN_2068 GBV_ILN_2070 GBV_ILN_2086 GBV_ILN_2088 GBV_ILN_2093 GBV_ILN_2106 GBV_ILN_2107 GBV_ILN_2108 GBV_ILN_2110 GBV_ILN_2111 GBV_ILN_2112 GBV_ILN_2113 GBV_ILN_2116 GBV_ILN_2118 GBV_ILN_2119 GBV_ILN_2122 GBV_ILN_2129 GBV_ILN_2143 GBV_ILN_2144 GBV_ILN_2147 GBV_ILN_2148 GBV_ILN_2152 GBV_ILN_2153 GBV_ILN_2188 GBV_ILN_2190 GBV_ILN_2232 GBV_ILN_2336 GBV_ILN_2446 GBV_ILN_2470 GBV_ILN_2472 GBV_ILN_2507 GBV_ILN_2522 GBV_ILN_2548 GBV_ILN_4012 GBV_ILN_4035 GBV_ILN_4037 GBV_ILN_4046 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4242 GBV_ILN_4246 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_4325 GBV_ILN_4326 GBV_ILN_4333 GBV_ILN_4334 GBV_ILN_4335 GBV_ILN_4336 GBV_ILN_4338 GBV_ILN_4393 GBV_ILN_4700 AR 29 2007 6 07 04 901-905 |
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Enthalten in Biotechnology letters 29(2007), 6 vom: 07. Apr., Seite 901-905 volume:29 year:2007 number:6 day:07 month:04 pages:901-905 |
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Enthalten in Biotechnology letters 29(2007), 6 vom: 07. Apr., Seite 901-905 volume:29 year:2007 number:6 day:07 month:04 pages:901-905 |
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Chitosan Immobilization Phenol Polyphenol oxidase |
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Shao, Jian @@aut@@ Ge, Huimin @@aut@@ Yang, Yumin @@aut@@ |
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| author |
Shao, Jian |
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Shao, Jian misc Chitosan misc Immobilization misc Phenol misc Polyphenol oxidase Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol |
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Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol Chitosan (dpeaa)DE-He213 Immobilization (dpeaa)DE-He213 Phenol (dpeaa)DE-He213 Polyphenol oxidase (dpeaa)DE-He213 |
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misc Chitosan misc Immobilization misc Phenol misc Polyphenol oxidase |
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misc Chitosan misc Immobilization misc Phenol misc Polyphenol oxidase |
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misc Chitosan misc Immobilization misc Phenol misc Polyphenol oxidase |
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Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol |
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| title_full |
Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol |
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Shao, Jian |
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Shao, Jian Ge, Huimin Yang, Yumin |
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immobilization of polyphenol oxidase on chitosan–$ sio_{2} $ gel for removal of aqueous phenol |
| title_auth |
Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol |
| abstract |
Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. © Springer Science+Business Media B.V. 2007 |
| abstractGer |
Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. © Springer Science+Business Media B.V. 2007 |
| abstract_unstemmed |
Abstract A partially purified potato polyphenol oxidase (PPO) was immobilized in a cross-linked chitosan–$ SiO_{2} $ gel and used to treat phenol solutions. Under optimized conditions (formaldehyde 20 mg/ml, PPO 4 mg/ml and pH 7.0), the activity of immobilized PPO was 1370 U/g and its Km value for catechol was 12 mm at 25°C. The highest activity of immobilized enzyme was at pH 7.4. Immobilization stabilized the enzyme with 73 and 58% retention of activity after 10 and 20 days, respectively, at 30°C whereas most of the free enzyme was inactive after 7 days. The efficiency of removing phenol (10 mg phenol/l) by the immobilized PPO was 86%, and about 60% removal efficiency was retained after five recycles. The immobilized PPO may thus be a useful for removing phenolic compounds from industrial waste-waters. © Springer Science+Business Media B.V. 2007 |
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| title_short |
Immobilization of polyphenol oxidase on chitosan–$ SiO_{2} $ gel for removal of aqueous phenol |
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https://dx.doi.org/10.1007/s10529-007-9329-2 |
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Ge, Huimin Yang, Yumin |
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10.1007/s10529-007-9329-2 |
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2024-07-03T18:37:44.590Z |
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