Enzyme precipitate coatings of lipase on polymer nanofibers
Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent at...
Ausführliche Beschreibung
Gespeichert in:
| Autor*in: |
An, Hyo Jin [verfasserIn] Lee, Hye-Jin [verfasserIn] Jun, Seung-Hyun [verfasserIn] Hwang, Sang Youn [verfasserIn] Kim, Byoung Chan [verfasserIn] Kim, Kwanghee [verfasserIn] Lee, Kyung-Mi [verfasserIn] Oh, Min-Kyu [verfasserIn] Kim, Jungbae [verfasserIn] |
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| Format: |
E-Artikel |
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| Sprache: |
Englisch |
| Erschienen: |
2011 |
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| Schlagwörter: |
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| Übergeordnetes Werk: |
Enthalten in: Bioprocess and biosystems engineering - Berlin : Springer, 1986, 34(2011), 7 vom: 16. März, Seite 841-847 |
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| Übergeordnetes Werk: |
volume:34 ; year:2011 ; number:7 ; day:16 ; month:03 ; pages:841-847 |
| Links: |
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| DOI / URN: |
10.1007/s00449-011-0534-y |
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| Katalog-ID: |
SPR006138292 |
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| 245 | 1 | 0 | |a Enzyme precipitate coatings of lipase on polymer nanofibers |
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| 520 | |a Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. | ||
| 650 | 4 | |a Enzyme precipitate coatings |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Electrospun polymer nanofibers |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Ethanol dispersion |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Lipase |7 (dpeaa)DE-He213 | |
| 650 | 4 | |a Enzyme stabilization |7 (dpeaa)DE-He213 | |
| 700 | 1 | |a Lee, Hye-Jin |e verfasserin |4 aut | |
| 700 | 1 | |a Jun, Seung-Hyun |e verfasserin |4 aut | |
| 700 | 1 | |a Hwang, Sang Youn |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Byoung Chan |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Kwanghee |e verfasserin |4 aut | |
| 700 | 1 | |a Lee, Kyung-Mi |e verfasserin |4 aut | |
| 700 | 1 | |a Oh, Min-Kyu |e verfasserin |4 aut | |
| 700 | 1 | |a Kim, Jungbae |e verfasserin |4 aut | |
| 773 | 0 | 8 | |i Enthalten in |t Bioprocess and biosystems engineering |d Berlin : Springer, 1986 |g 34(2011), 7 vom: 16. März, Seite 841-847 |w (DE-627)270126260 |w (DE-600)1476357-6 |x 1615-7605 |7 nnns |
| 773 | 1 | 8 | |g volume:34 |g year:2011 |g number:7 |g day:16 |g month:03 |g pages:841-847 |
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10.1007/s00449-011-0534-y doi (DE-627)SPR006138292 (SPR)s00449-011-0534-y-e DE-627 ger DE-627 rakwb eng 570 540 690 ASE 58.30 bkl 58.00 bkl An, Hyo Jin verfasserin aut Enzyme precipitate coatings of lipase on polymer nanofibers 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. Enzyme precipitate coatings (dpeaa)DE-He213 Electrospun polymer nanofibers (dpeaa)DE-He213 Ethanol dispersion (dpeaa)DE-He213 Lipase (dpeaa)DE-He213 Enzyme stabilization (dpeaa)DE-He213 Lee, Hye-Jin verfasserin aut Jun, Seung-Hyun verfasserin aut Hwang, Sang Youn verfasserin aut Kim, Byoung Chan verfasserin aut Kim, Kwanghee verfasserin aut Lee, Kyung-Mi verfasserin aut Oh, Min-Kyu verfasserin aut Kim, Jungbae verfasserin aut Enthalten in Bioprocess and biosystems engineering Berlin : Springer, 1986 34(2011), 7 vom: 16. März, Seite 841-847 (DE-627)270126260 (DE-600)1476357-6 1615-7605 nnns volume:34 year:2011 number:7 day:16 month:03 pages:841-847 https://dx.doi.org/10.1007/s00449-011-0534-y 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_101 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_267 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 58.30 ASE 58.00 ASE AR 34 2011 7 16 03 841-847 |
| spelling |
10.1007/s00449-011-0534-y doi (DE-627)SPR006138292 (SPR)s00449-011-0534-y-e DE-627 ger DE-627 rakwb eng 570 540 690 ASE 58.30 bkl 58.00 bkl An, Hyo Jin verfasserin aut Enzyme precipitate coatings of lipase on polymer nanofibers 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. Enzyme precipitate coatings (dpeaa)DE-He213 Electrospun polymer nanofibers (dpeaa)DE-He213 Ethanol dispersion (dpeaa)DE-He213 Lipase (dpeaa)DE-He213 Enzyme stabilization (dpeaa)DE-He213 Lee, Hye-Jin verfasserin aut Jun, Seung-Hyun verfasserin aut Hwang, Sang Youn verfasserin aut Kim, Byoung Chan verfasserin aut Kim, Kwanghee verfasserin aut Lee, Kyung-Mi verfasserin aut Oh, Min-Kyu verfasserin aut Kim, Jungbae verfasserin aut Enthalten in Bioprocess and biosystems engineering Berlin : Springer, 1986 34(2011), 7 vom: 16. März, Seite 841-847 (DE-627)270126260 (DE-600)1476357-6 1615-7605 nnns volume:34 year:2011 number:7 day:16 month:03 pages:841-847 https://dx.doi.org/10.1007/s00449-011-0534-y 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_101 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_267 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 58.30 ASE 58.00 ASE AR 34 2011 7 16 03 841-847 |
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10.1007/s00449-011-0534-y doi (DE-627)SPR006138292 (SPR)s00449-011-0534-y-e DE-627 ger DE-627 rakwb eng 570 540 690 ASE 58.30 bkl 58.00 bkl An, Hyo Jin verfasserin aut Enzyme precipitate coatings of lipase on polymer nanofibers 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. Enzyme precipitate coatings (dpeaa)DE-He213 Electrospun polymer nanofibers (dpeaa)DE-He213 Ethanol dispersion (dpeaa)DE-He213 Lipase (dpeaa)DE-He213 Enzyme stabilization (dpeaa)DE-He213 Lee, Hye-Jin verfasserin aut Jun, Seung-Hyun verfasserin aut Hwang, Sang Youn verfasserin aut Kim, Byoung Chan verfasserin aut Kim, Kwanghee verfasserin aut Lee, Kyung-Mi verfasserin aut Oh, Min-Kyu verfasserin aut Kim, Jungbae verfasserin aut Enthalten in Bioprocess and biosystems engineering Berlin : Springer, 1986 34(2011), 7 vom: 16. März, Seite 841-847 (DE-627)270126260 (DE-600)1476357-6 1615-7605 nnns volume:34 year:2011 number:7 day:16 month:03 pages:841-847 https://dx.doi.org/10.1007/s00449-011-0534-y 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_101 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_267 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 58.30 ASE 58.00 ASE AR 34 2011 7 16 03 841-847 |
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10.1007/s00449-011-0534-y doi (DE-627)SPR006138292 (SPR)s00449-011-0534-y-e DE-627 ger DE-627 rakwb eng 570 540 690 ASE 58.30 bkl 58.00 bkl An, Hyo Jin verfasserin aut Enzyme precipitate coatings of lipase on polymer nanofibers 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. Enzyme precipitate coatings (dpeaa)DE-He213 Electrospun polymer nanofibers (dpeaa)DE-He213 Ethanol dispersion (dpeaa)DE-He213 Lipase (dpeaa)DE-He213 Enzyme stabilization (dpeaa)DE-He213 Lee, Hye-Jin verfasserin aut Jun, Seung-Hyun verfasserin aut Hwang, Sang Youn verfasserin aut Kim, Byoung Chan verfasserin aut Kim, Kwanghee verfasserin aut Lee, Kyung-Mi verfasserin aut Oh, Min-Kyu verfasserin aut Kim, Jungbae verfasserin aut Enthalten in Bioprocess and biosystems engineering Berlin : Springer, 1986 34(2011), 7 vom: 16. März, Seite 841-847 (DE-627)270126260 (DE-600)1476357-6 1615-7605 nnns volume:34 year:2011 number:7 day:16 month:03 pages:841-847 https://dx.doi.org/10.1007/s00449-011-0534-y 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_101 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_267 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 58.30 ASE 58.00 ASE AR 34 2011 7 16 03 841-847 |
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10.1007/s00449-011-0534-y doi (DE-627)SPR006138292 (SPR)s00449-011-0534-y-e DE-627 ger DE-627 rakwb eng 570 540 690 ASE 58.30 bkl 58.00 bkl An, Hyo Jin verfasserin aut Enzyme precipitate coatings of lipase on polymer nanofibers 2011 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. Enzyme precipitate coatings (dpeaa)DE-He213 Electrospun polymer nanofibers (dpeaa)DE-He213 Ethanol dispersion (dpeaa)DE-He213 Lipase (dpeaa)DE-He213 Enzyme stabilization (dpeaa)DE-He213 Lee, Hye-Jin verfasserin aut Jun, Seung-Hyun verfasserin aut Hwang, Sang Youn verfasserin aut Kim, Byoung Chan verfasserin aut Kim, Kwanghee verfasserin aut Lee, Kyung-Mi verfasserin aut Oh, Min-Kyu verfasserin aut Kim, Jungbae verfasserin aut Enthalten in Bioprocess and biosystems engineering Berlin : Springer, 1986 34(2011), 7 vom: 16. März, Seite 841-847 (DE-627)270126260 (DE-600)1476357-6 1615-7605 nnns volume:34 year:2011 number:7 day:16 month:03 pages:841-847 https://dx.doi.org/10.1007/s00449-011-0534-y 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_101 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_267 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 58.30 ASE 58.00 ASE AR 34 2011 7 16 03 841-847 |
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English |
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Enthalten in Bioprocess and biosystems engineering 34(2011), 7 vom: 16. März, Seite 841-847 volume:34 year:2011 number:7 day:16 month:03 pages:841-847 |
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Enthalten in Bioprocess and biosystems engineering 34(2011), 7 vom: 16. März, Seite 841-847 volume:34 year:2011 number:7 day:16 month:03 pages:841-847 |
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Enzyme precipitate coatings Electrospun polymer nanofibers Ethanol dispersion Lipase Enzyme stabilization |
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Bioprocess and biosystems engineering |
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An, Hyo Jin @@aut@@ Lee, Hye-Jin @@aut@@ Jun, Seung-Hyun @@aut@@ Hwang, Sang Youn @@aut@@ Kim, Byoung Chan @@aut@@ Kim, Kwanghee @@aut@@ Lee, Kyung-Mi @@aut@@ Oh, Min-Kyu @@aut@@ Kim, Jungbae @@aut@@ |
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2011-03-16T00:00:00Z |
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LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. 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An, Hyo Jin |
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An, Hyo Jin ddc 570 bkl 58.30 bkl 58.00 misc Enzyme precipitate coatings misc Electrospun polymer nanofibers misc Ethanol dispersion misc Lipase misc Enzyme stabilization Enzyme precipitate coatings of lipase on polymer nanofibers |
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570 540 690 ASE 58.30 bkl 58.00 bkl Enzyme precipitate coatings of lipase on polymer nanofibers Enzyme precipitate coatings (dpeaa)DE-He213 Electrospun polymer nanofibers (dpeaa)DE-He213 Ethanol dispersion (dpeaa)DE-He213 Lipase (dpeaa)DE-He213 Enzyme stabilization (dpeaa)DE-He213 |
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ddc 570 bkl 58.30 bkl 58.00 misc Enzyme precipitate coatings misc Electrospun polymer nanofibers misc Ethanol dispersion misc Lipase misc Enzyme stabilization |
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ddc 570 bkl 58.30 bkl 58.00 misc Enzyme precipitate coatings misc Electrospun polymer nanofibers misc Ethanol dispersion misc Lipase misc Enzyme stabilization |
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ddc 570 bkl 58.30 bkl 58.00 misc Enzyme precipitate coatings misc Electrospun polymer nanofibers misc Ethanol dispersion misc Lipase misc Enzyme stabilization |
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Enzyme precipitate coatings of lipase on polymer nanofibers |
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(DE-627)SPR006138292 (SPR)s00449-011-0534-y-e |
| title_full |
Enzyme precipitate coatings of lipase on polymer nanofibers |
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An, Hyo Jin |
| journal |
Bioprocess and biosystems engineering |
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Bioprocess and biosystems engineering |
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eng |
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500 - Science 600 - Technology |
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marc |
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2011 |
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An, Hyo Jin Lee, Hye-Jin Jun, Seung-Hyun Hwang, Sang Youn Kim, Byoung Chan Kim, Kwanghee Lee, Kyung-Mi Oh, Min-Kyu Kim, Jungbae |
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34 |
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570 540 690 ASE 58.30 bkl 58.00 bkl |
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Elektronische Aufsätze |
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An, Hyo Jin |
| doi_str_mv |
10.1007/s00449-011-0534-y |
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570 540 690 |
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verfasserin |
| title_sort |
enzyme precipitate coatings of lipase on polymer nanofibers |
| title_auth |
Enzyme precipitate coatings of lipase on polymer nanofibers |
| abstract |
Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. |
| abstractGer |
Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. |
| abstract_unstemmed |
Abstract Lipase (LP) was immobilized on electrospun and ethanol-dispersed polystyrene–poly(styrene-co-maleic anhydride) (PS–PSMA) nanofibers (EtOH-NF) in the form of enzyme precipitate coatings (EPCs). LP precipitate coatings (EPCs-LP) were prepared in a three-step process, consisting of covalent attachment, LP precipitation, and crosslinking of precipitated LPs onto the covalently attached LPs via glutaraldehyde treatment. The LP precipitation was performed by adding various concentrations of ammonium sulfate (20–50%, w/v). EPCs-LP improved the LP activity and stability when compared to covalently attached LPs (CA-LP) and the enzyme coatings of LPs (EC-LP) without the LP precipitation. For example, the use of 40% (w/v) ammonium sulfate resulted in EPC40-LP with the highest activity, which was 4.0 and 3.6 times higher than those of CA-LP and EC-LP, respectively. After 165-day incubation under rigorous shaking at 200 rpm, the residual activities of EPC50-LP were 0.5 μM/min mg of EtOH-NF, representing 113 and 75 times higher than those of CA-LP and EC-LP, respectively. When LP was partially purified via a simple ammonium sulfate precipitation and dialysis, both activities and stabilities of EC-LP and EPC-LP could be marginally improved. It is anticipated that the improved LP activity and stability in the form of EPCs would allow for their potential applications in various bioconversion processes such as biodiesel production and ibuprofen resolution. |
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| container_issue |
7 |
| title_short |
Enzyme precipitate coatings of lipase on polymer nanofibers |
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https://dx.doi.org/10.1007/s00449-011-0534-y |
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Lee, Hye-Jin Jun, Seung-Hyun Hwang, Sang Youn Kim, Byoung Chan Kim, Kwanghee Lee, Kyung-Mi Oh, Min-Kyu Kim, Jungbae |
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Lee, Hye-Jin Jun, Seung-Hyun Hwang, Sang Youn Kim, Byoung Chan Kim, Kwanghee Lee, Kyung-Mi Oh, Min-Kyu Kim, Jungbae |
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2024-07-03T21:06:58.143Z |
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| score |
7.3984118 |