Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk

A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</su...
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Autor*in:	Jingliang Xu [verfasserIn] Huihua Li [verfasserIn] Md. Asraful Alam [verfasserIn] Gul Muhammad [verfasserIn] Yongkun Lv [verfasserIn] Anqi Zhao [verfasserIn] Shen Zhang [verfasserIn] Wenlong Xiong [verfasserIn]

Format:	E-Artikel
Sprache:	Englisch

Erschienen:	2023

Schlagwörter:	kraft lignin cationic modification crosslinking modification enzymatic hydrolysis additives

Übergeordnetes Werk:	In: Polymers - MDPI AG, 2011, 15(2023), 9, p 1991
Übergeordnetes Werk:	volume:15 ; year:2023 ; number:9, p 1991

Links:	Link aufrufen Link aufrufen Link aufrufen Journal toc

DOI / URN:	10.3390/polym15091991

Katalog-ID:	DOAJ090343336

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520			\|a A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass.
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653		0	\|a Organic chemistry
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700	0		\|a Wenlong Xiong \|e verfasserin \|4 aut
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allfields	10.3390/polym15091991 doi (DE-627)DOAJ090343336 (DE-599)DOAJc16e33ae32274b2da1c1c47e20b8500e DE-627 ger DE-627 rakwb eng QD241-441 Jingliang Xu verfasserin aut Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass. kraft lignin cationic modification crosslinking modification enzymatic hydrolysis additives Organic chemistry Huihua Li verfasserin aut Md. Asraful Alam verfasserin aut Gul Muhammad verfasserin aut Yongkun Lv verfasserin aut Anqi Zhao verfasserin aut Shen Zhang verfasserin aut Wenlong Xiong verfasserin aut In Polymers MDPI AG, 2011 15(2023), 9, p 1991 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:15 year:2023 number:9, p 1991 https://doi.org/10.3390/polym15091991 kostenfrei https://doaj.org/article/c16e33ae32274b2da1c1c47e20b8500e kostenfrei https://www.mdpi.com/2073-4360/15/9/1991 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 9, p 1991
spelling	10.3390/polym15091991 doi (DE-627)DOAJ090343336 (DE-599)DOAJc16e33ae32274b2da1c1c47e20b8500e DE-627 ger DE-627 rakwb eng QD241-441 Jingliang Xu verfasserin aut Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass. kraft lignin cationic modification crosslinking modification enzymatic hydrolysis additives Organic chemistry Huihua Li verfasserin aut Md. Asraful Alam verfasserin aut Gul Muhammad verfasserin aut Yongkun Lv verfasserin aut Anqi Zhao verfasserin aut Shen Zhang verfasserin aut Wenlong Xiong verfasserin aut In Polymers MDPI AG, 2011 15(2023), 9, p 1991 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:15 year:2023 number:9, p 1991 https://doi.org/10.3390/polym15091991 kostenfrei https://doaj.org/article/c16e33ae32274b2da1c1c47e20b8500e kostenfrei https://www.mdpi.com/2073-4360/15/9/1991 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 9, p 1991
allfields_unstemmed	10.3390/polym15091991 doi (DE-627)DOAJ090343336 (DE-599)DOAJc16e33ae32274b2da1c1c47e20b8500e DE-627 ger DE-627 rakwb eng QD241-441 Jingliang Xu verfasserin aut Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass. kraft lignin cationic modification crosslinking modification enzymatic hydrolysis additives Organic chemistry Huihua Li verfasserin aut Md. Asraful Alam verfasserin aut Gul Muhammad verfasserin aut Yongkun Lv verfasserin aut Anqi Zhao verfasserin aut Shen Zhang verfasserin aut Wenlong Xiong verfasserin aut In Polymers MDPI AG, 2011 15(2023), 9, p 1991 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:15 year:2023 number:9, p 1991 https://doi.org/10.3390/polym15091991 kostenfrei https://doaj.org/article/c16e33ae32274b2da1c1c47e20b8500e kostenfrei https://www.mdpi.com/2073-4360/15/9/1991 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 9, p 1991
allfieldsGer	10.3390/polym15091991 doi (DE-627)DOAJ090343336 (DE-599)DOAJc16e33ae32274b2da1c1c47e20b8500e DE-627 ger DE-627 rakwb eng QD241-441 Jingliang Xu verfasserin aut Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass. kraft lignin cationic modification crosslinking modification enzymatic hydrolysis additives Organic chemistry Huihua Li verfasserin aut Md. Asraful Alam verfasserin aut Gul Muhammad verfasserin aut Yongkun Lv verfasserin aut Anqi Zhao verfasserin aut Shen Zhang verfasserin aut Wenlong Xiong verfasserin aut In Polymers MDPI AG, 2011 15(2023), 9, p 1991 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:15 year:2023 number:9, p 1991 https://doi.org/10.3390/polym15091991 kostenfrei https://doaj.org/article/c16e33ae32274b2da1c1c47e20b8500e kostenfrei https://www.mdpi.com/2073-4360/15/9/1991 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 9, p 1991
allfieldsSound	10.3390/polym15091991 doi (DE-627)DOAJ090343336 (DE-599)DOAJc16e33ae32274b2da1c1c47e20b8500e DE-627 ger DE-627 rakwb eng QD241-441 Jingliang Xu verfasserin aut Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk 2023 Text txt rdacontent Computermedien c rdamedia Online-Ressource cr rdacarrier A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass. kraft lignin cationic modification crosslinking modification enzymatic hydrolysis additives Organic chemistry Huihua Li verfasserin aut Md. Asraful Alam verfasserin aut Gul Muhammad verfasserin aut Yongkun Lv verfasserin aut Anqi Zhao verfasserin aut Shen Zhang verfasserin aut Wenlong Xiong verfasserin aut In Polymers MDPI AG, 2011 15(2023), 9, p 1991 (DE-627)61409612X (DE-600)2527146-5 20734360 nnns volume:15 year:2023 number:9, p 1991 https://doi.org/10.3390/polym15091991 kostenfrei https://doaj.org/article/c16e33ae32274b2da1c1c47e20b8500e kostenfrei https://www.mdpi.com/2073-4360/15/9/1991 kostenfrei https://doaj.org/toc/2073-4360 Journal toc kostenfrei GBV_USEFLAG_A SYSFLAG_A GBV_DOAJ GBV_ILN_20 GBV_ILN_22 GBV_ILN_23 GBV_ILN_24 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_95 GBV_ILN_105 GBV_ILN_110 GBV_ILN_151 GBV_ILN_161 GBV_ILN_170 GBV_ILN_206 GBV_ILN_213 GBV_ILN_224 GBV_ILN_230 GBV_ILN_285 GBV_ILN_293 GBV_ILN_602 GBV_ILN_2005 GBV_ILN_2009 GBV_ILN_2011 GBV_ILN_2014 GBV_ILN_2055 GBV_ILN_2108 GBV_ILN_2111 GBV_ILN_2119 GBV_ILN_4012 GBV_ILN_4037 GBV_ILN_4112 GBV_ILN_4125 GBV_ILN_4126 GBV_ILN_4249 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_4335 GBV_ILN_4338 GBV_ILN_4367 GBV_ILN_4700 AR 15 2023 9, p 1991
language	English
source	In Polymers 15(2023), 9, p 1991 volume:15 year:2023 number:9, p 1991
sourceStr	In Polymers 15(2023), 9, p 1991 volume:15 year:2023 number:9, p 1991
format_phy_str_mv	Article
institution	findex.gbv.de
topic_facet	kraft lignin cationic modification crosslinking modification enzymatic hydrolysis additives Organic chemistry
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container_title	Polymers
authorswithroles_txt_mv	Jingliang Xu @@aut@@ Huihua Li @@aut@@ Md. Asraful Alam @@aut@@ Gul Muhammad @@aut@@ Yongkun Lv @@aut@@ Anqi Zhao @@aut@@ Shen Zhang @@aut@@ Wenlong Xiong @@aut@@
publishDateDaySort_date	2023-01-01T00:00:00Z
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callnumber-label	QD241-441
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issn	20734360
topic_title	QD241-441 Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk kraft lignin cationic modification crosslinking modification enzymatic hydrolysis additives
topic	misc QD241-441 misc kraft lignin misc cationic modification misc crosslinking modification misc enzymatic hydrolysis misc additives misc Organic chemistry
topic_unstemmed	misc QD241-441 misc kraft lignin misc cationic modification misc crosslinking modification misc enzymatic hydrolysis misc additives misc Organic chemistry
topic_browse	misc QD241-441 misc kraft lignin misc cationic modification misc crosslinking modification misc enzymatic hydrolysis misc additives misc Organic chemistry
format_facet	Elektronische Aufsätze Aufsätze Elektronische Ressource
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title	Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk
ctrlnum	(DE-627)DOAJ090343336 (DE-599)DOAJc16e33ae32274b2da1c1c47e20b8500e
title_full	Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk
author_sort	Jingliang Xu
journal	Polymers
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lang_code	eng
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author_browse	Jingliang Xu Huihua Li Md. Asraful Alam Gul Muhammad Yongkun Lv Anqi Zhao Shen Zhang Wenlong Xiong
container_volume	15
class	QD241-441
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author-letter	Jingliang Xu
doi_str_mv	10.3390/polym15091991
author2-role	verfasserin
title_sort	employing cationic kraft lignin as additive to enhance enzymatic hydrolysis of corn stalk
callnumber	QD241-441
title_auth	Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk
abstract	A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass.
abstractGer	A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass.
abstract_unstemmed	A water-soluble cationic kraft lignin (named JLQKL<sub<50</sub<), synthesized by combining quaternization and crosslinking reactions, was used as an additive to enhance the enzymatic hydrolysis of dilute-alkali-pretreated corn stalk. The chemical constitution of JLQKL<sub<50</sub< was investigated by Fourier transform infrared spectroscopy, <sup<1</sup<H nuclear magnetic resonance (NMR) and <sup<13</sup<C NMR spectroscopy, and elemental analysis. The enzymatic hydrolysis efficiency of corn stalk at solid content of 10% (<i<w</i</<i<v</i<) was significantly improved from 70.67% to 78.88% after 24 h when JLQKL<sub<50</sub< was added at a concentration of 2 g/L. Meanwhile, the enzymatic hydrolysis efficiency after 72 h reached 91.11% with 10 FPU/g of cellulase and 97.92% with 15 FPU/g of cellulase. In addition, JLQKL<sub<50</sub< was found capable of extending the pH and temperature ranges of enzymatic hydrolysis to maintain high efficiency (higher than 70%). The decrease in cellulase activity under vigorous stirring with the addition of JLQKL<sub<50</sub< was 17.4%, which was much lower than that (29.7%) without JLQKL<sub<50</sub<. The addition of JLQKL<sub<50</sub< reduced the nonproductive adsorption of cellulase on the lignin substrate and improved the longevity, dispersity, and stability of the cellulase by enabling electrostatic repulsion. Therefore, the enzymatic hydrolysis of the corn stalk was enhanced. This study paves the way for the design of sustainable lignin-based additives to boost the enzymatic hydrolysis of lignocellulosic biomass.
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container_issue	9, p 1991
title_short	Employing Cationic Kraft Lignin as Additive to Enhance Enzymatic Hydrolysis of Corn Stalk
url	https://doi.org/10.3390/polym15091991 https://doaj.org/article/c16e33ae32274b2da1c1c47e20b8500e https://www.mdpi.com/2073-4360/15/9/1991 https://doaj.org/toc/2073-4360
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author2	Huihua Li Md. Asraful Alam Gul Muhammad Yongkun Lv Anqi Zhao Shen Zhang Wenlong Xiong
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up_date	2024-07-03T14:12:31.224Z
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