1
|
Pedro KCNR, da Silva JVV, Cipolatti EP, Manoel EA, Campisano ISP, Henriques CA, Langone MAP. Adsorption of lipases on porous silica-based materials for esterification in a solvent-free system. 3 Biotech 2023; 13:380. [PMID: 37900269 PMCID: PMC10600090 DOI: 10.1007/s13205-023-03801-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Accepted: 10/03/2023] [Indexed: 10/31/2023] Open
Abstract
This study deals with lipase immobilization on micro- and mesoporous silica-based materials. The effects of the type of support (silica MCM-41, zeolite HZSM-5 (SAR 25), zeolite HZSM-5 (SAR 280), and the silica-aluminas Siral 10, Siral 20, and Siral 40) were investigated on the immobilization of lipase B from Candida antarctica (CALB) and lipase from Rhizomucor miehei (RML). The supports that allowed the highest immobilization efficiencies for the CALB were Siral 40 (91.4%), HZSM-5 (SAR 280) (90.6%), and MCM-41 (89.4%). Siral 20 allowed the highest immobilization efficiency for RML (97.6%), followed by HZSM-5 (SAR 25) (77.1%) and HZSM-5 (SAR 280) (62.7%). The effect of protein concentration on lipase immobilization was investigated, and the results adjusted well on the Langmuir isotherm model (R2 > 0.9). The maximum protein adsorption capacity of the support determined by the Langmuir model was equal to 10.64 and 20.97 mgprotein gsupport-1 for CALB and RML, respectively. The effects of pH (pH 7.0 and pH 11.0) and phosphate buffer solution concentration (5 and 100 mmol L-1) were also investigated on lipase immobilization. The immobilization efficiency for both lipases was similar for the different pH values. The use of 100 mmol L-1 phosphate buffer decreased the lipase immobilization efficiency. The biocatalysts (CALB-Siral 40 and RML-Siral 20) were tested in the ethyl oleate synthesis. The conversion of 61.7% was obtained at 60 °C in the reaction catalyzed by CALB-Siral 40. Both heterogeneous biocatalysts showed increased thermal stability compared with their free form. Finally, the reuse of the biocatalysts was studied. CALB-Siral 40 and RML-Siral 20 maintained about 30% of the initial conversion after 3 batches of ethyl oleate synthesis. Silica-aluminas (Siral 20 and 40) proved to be a support that allowed a high efficiency of immobilization of lipases and activity for esterification reaction.
Collapse
Affiliation(s)
- Kelly C N R Pedro
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
| | - João V V da Silva
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
| | - Eliane P Cipolatti
- Departamento de Engenharia Química, Instituto de Tecnologia, Universidade Federal Rural Do Rio de Janeiro, Rodovia BR 465, Km 07- Zona Rural, 23890-000 Seropédica, RJ Brasil
| | - Evelin A Manoel
- Departamento de Biotecnologia Farmacêutica, Faculdade de Farmácia, Universidade Federal Do Rio de Janeiro (UFRJ), 21941-170 Rio de Janeiro, RJ Brasil
| | - Ivone S P Campisano
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
| | - Cristiane A Henriques
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
| | - Marta A P Langone
- Departamento de Química Analítica, Instituto de Química, Universidade do Estado do Rio de Janeiro (UERJ), Rua São Francisco Xavier, 524, 20550-900 Rio de Janeiro, RJ Brasil
- Instituto Federal de Educação, Ciência e Tecnologia Do Rio de Janeiro, Rua Senador Furtado, 121, 20260-100 Rio de Janeiro, RJ Brasil
| |
Collapse
|
2
|
Zhang H, Chen L, Li J, Lu M, Han L. Quantitative characterization of enzyme adsorption and hydrolytic performance for ultrafine grinding pretreated corn stover. BIORESOURCE TECHNOLOGY 2017; 234:23-32. [PMID: 28315601 DOI: 10.1016/j.biortech.2017.03.013] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2017] [Revised: 03/01/2017] [Accepted: 03/02/2017] [Indexed: 06/06/2023]
Abstract
Quantitative analysis of enzyme adsorption and hydrolysis were performed for sieve-based grinding corn stover (SGCS) and ultrafine grinding corn stover (UGCS)1 with different enzyme consumptions. The UGCS presented significantly higher enzyme adsorption quantity (5.15mg/g for UGCS, 1.33mg/g for SGCS), higher glucose yield (49.75% for UGCS, 28.75% for SGCS) under 20FPU/g and higher binding enzyme proportion (41.32% for UGCS, 10.64% for SGCS under 5FPU/g) which can be attributed to the more accessible microstructure properties. The relationship between enzyme adsorption and hydrolytic production was directly proportional for SGCS (GY1=21.04×AQ1+1.86 (R2=0.95)) while was exponential for UGCS (GY2=49.42×(1-e-0.57×AQ2) (R2=0.99)),2 indicating that overmuch enzyme consumption was not advisable for UGCS at economical aspect.
Collapse
Affiliation(s)
- Haiyan Zhang
- China Agricultural University (East Campus), 17 Qing-Hua-Dong-Lu, Hai-Dian District, Beijing 100083, PR China
| | - Longjian Chen
- China Agricultural University (East Campus), 17 Qing-Hua-Dong-Lu, Hai-Dian District, Beijing 100083, PR China.
| | - Junbao Li
- China Agricultural University (East Campus), 17 Qing-Hua-Dong-Lu, Hai-Dian District, Beijing 100083, PR China
| | - Minsheng Lu
- China Agricultural University (East Campus), 17 Qing-Hua-Dong-Lu, Hai-Dian District, Beijing 100083, PR China
| | - Lujia Han
- China Agricultural University (East Campus), 17 Qing-Hua-Dong-Lu, Hai-Dian District, Beijing 100083, PR China
| |
Collapse
|
3
|
Huang R, Guo H, Su R, Qi W, He Z. Enhanced cellulase recovery without β-glucosidase supplementation for cellulosic ethanol production using an engineered strain and surfactant. Biotechnol Bioeng 2016; 114:543-551. [DOI: 10.1002/bit.26194] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2016] [Revised: 08/30/2016] [Accepted: 09/26/2016] [Indexed: 11/10/2022]
Affiliation(s)
- Renliang Huang
- Tianjin Engineering Center of Bio Gas/Oil Technology; School of Environmental Science and Engineering; Tianjin University; Tianjin China
| | - Hong Guo
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 China
| | - Rongxin Su
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology; Tianjin University; Tianjin China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin China
| | - Wei Qi
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 China
- Tianjin Key Laboratory of Membrane Science and Desalination Technology; Tianjin University; Tianjin China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin China
| | - Zhimin He
- State Key Laboratory of Chemical Engineering; School of Chemical Engineering and Technology; Tianjin University; Tianjin 300072 China
| |
Collapse
|
4
|
de Andrade Neto JC, de Souza Cabral A, de Oliveira LRD, Torres RB, Morandim-Giannetti ADA. Synthesis and characterization of new low-cost ILs based on butylammonium cation and application to lignocellulose hydrolysis. Carbohydr Polym 2016; 143:279-87. [DOI: 10.1016/j.carbpol.2016.01.069] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2015] [Revised: 01/29/2016] [Accepted: 01/30/2016] [Indexed: 10/22/2022]
|
5
|
Chen C, Zhu M, Li M, Fan Y, Sun RC. Epoxidation and etherification of alkaline lignin to prepare water-soluble derivatives and its performance in improvement of enzymatic hydrolysis efficiency. BIOTECHNOLOGY FOR BIOFUELS 2016; 9:87. [PMID: 27087854 PMCID: PMC4832561 DOI: 10.1186/s13068-016-0499-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Accepted: 04/01/2016] [Indexed: 05/29/2023]
Abstract
BACKGROUND Due to the depletion of fossil resources and their environmental impact, woody biomass has received much attention as an alternative resource. Lignin, as the third most abundant biopolymer from biomass, is now considered as an excellent alternative feedstock for chemicals and materials. The conversion of lignin to the value-added products is a key process to achieve an integrated biorefinery of woody biomass. Among these value-added products, lignin-based derivatives with good surface activity can be applied to enhance the conversion of cellulose into fermentable sugars, which not only decrease the cost of bioethanol production, but also reduce the environmental pollution and green house effect resulting from the burning of fossil resources. RESULTS Water-soluble alkaline lignin was synthesized by the reaction between polyethylene glycols (PEG600 and PEG1000) and epoxy lignin. FT-IR and NMR analyses indicated that PEGs were successively introduced into epoxy alkaline lignin using potassium persulfate as a catalyst. Emulsification and surface activity tests indicated that the surface tension of the prepared lignin derivative solution was 43.30 mN/m at the critical micelle concentration (1.03 %). A stable emulsions layer was formed with hexanes and the emulsion particle diameter in the emulsion phase for all products was observed at 10-50 μm. The results of enzymatic hydrolysis indicated that the products derived from PEG1000-grafted lignin resulted in the highest increasing rate of 18.6 % of glucose yield during the enzymatic hydrolysis of hardwood bleached pulp. The results of fermentation experiments suggested that the product had no toxicity for fermentation micro-organisms. CONCLUSION Water-soluble alkaline lignin derivatives were prepared through epoxidation and etherification, which are promising feedstocks for detergents, emulsifier, and additive to enhance enzymatic hydrolysis efficiency and ethanol fermentation.
Collapse
Affiliation(s)
- Changzhou Chen
- />Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083 China
| | - Mingqiang Zhu
- />Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083 China
- />College of Forestry, Northwest A&F University, Yangling, 712100 China
| | - Mingfei Li
- />Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083 China
| | - Yongming Fan
- />Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083 China
| | - Run-Cang Sun
- />Beijing Key Laboratory of Lignocellulosic Chemistry, Beijing Forestry University, Beijing, 100083 China
| |
Collapse
|
6
|
Su TC, Fang Z, Zhang F, Luo J, Li XK. Hydrolysis of Selected Tropical Plant Wastes Catalyzed by a Magnetic Carbonaceous Acid with Microwave. Sci Rep 2015; 5:17538. [PMID: 26648414 PMCID: PMC4673602 DOI: 10.1038/srep17538] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2015] [Accepted: 11/02/2015] [Indexed: 11/16/2022] Open
Abstract
In this study, magnetic carbonaceous acids were synthesized by pyrolysis of the homogeneous mixtures of glucose and magnetic Fe3O4 nanoparticles, and subsequent sulfonation. The synthesis conditions were optimized to obtain a catalyst with both high acid density (0.75 mmol g(-1)) and strong magnetism [magnetic saturation, Ms = 19.5 Am(2) kg(-1)]. The screened catalyst (C-SO3H/Fe3O4) was used to hydrolyze ball-milled cellulose in a microwave reactor with total reducing sugar (TRS) yield of 25.3% under the best conditions at 190 °C for 3.5 h. It was cycled for at least seven times with high catalyst recovery rate (92.8%), acid density (0.63 mmol g(-1)) and magnetism (Ms = 12.9 Am(2) kg(-1)), as well as high TRS yield (20.1%) from the hydrolysis of ball-milled cellulose. The catalyst was further successfully tested for the hydrolysis of tropical biomass with high TRS and glucose yields of 79.8% and 58.3% for bagasse, 47.2% and 35.6% for Jatropha hulls, as well as 54.4% and 35.8% for Plukenetia hulls.
Collapse
Affiliation(s)
- Tong-Chao Su
- University of Science and Technology of China, School of Life Science, 443 Huangshan Road, Hefei, Anhui Province, 230027, China
- Chinese Academy of Sciences, Biomass Group, Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, 88 Xuefulu, Kunming, Yunnan Province 650223, China
| | - Zhen Fang
- University of Science and Technology of China, School of Life Science, 443 Huangshan Road, Hefei, Anhui Province, 230027, China
- Chinese Academy of Sciences, Biomass Group, Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, 88 Xuefulu, Kunming, Yunnan Province 650223, China
| | - Fan Zhang
- Chinese Academy of Sciences, Biomass Group, Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, 88 Xuefulu, Kunming, Yunnan Province 650223, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| | - Jia Luo
- Chinese Academy of Sciences, Biomass Group, Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, 88 Xuefulu, Kunming, Yunnan Province 650223, China
| | - Xing-Kang Li
- Chinese Academy of Sciences, Biomass Group, Key Laboratory of Tropical Plant Resources and Sustainable Use, Xishuangbanna Tropical Botanical Garden, 88 Xuefulu, Kunming, Yunnan Province 650223, China
- University of Chinese Academy of Sciences, 19A Yuquan Road, Beijing 100049, China
| |
Collapse
|
7
|
Jeon SD, Kim SJ, Park SH, Choi GW, Han SO. Hydrolytic effects of scaffolding proteins CbpB and CbpC on crystalline cellulose mediated by the major cellulolytic complex from Clostridium cellulovorans. BIORESOURCE TECHNOLOGY 2015; 191:505-511. [PMID: 25748018 DOI: 10.1016/j.biortech.2015.02.071] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/18/2014] [Revised: 02/16/2015] [Accepted: 02/17/2015] [Indexed: 06/04/2023]
Abstract
The role of the scaffolding proteins, cellulose binding protein B and C (CbpB and CbpC, respectively) were identified in cellulolytic complex (cellulosome) of Clostridium cellulovorans for efficient degradation of cellulose. Recombinant CbpB and CbpC directly anchored to the cell surface of C. cellulovorans. In addition, CbpB and CbpC showed increased hydrolytic activity on crystalline cellulose incubated with exoglucanase S (ExgS) and endoglucanase Z (EngZ) compared with the activity of free enzymes. Moreover, the results showed synergistic effects of crystalline cellulose hydrolytic activity (1.8- to 2.2-fold) when CbpB and CbpC complex with ExgS and EngZ are incubated with cellulolytic complex containing mini-CbpA. The results suggest C. cellulovorans critically uses CbpB and CbpC, which can directly anchor cells for the hydrolysis of cellulosic material with the major cellulosome complex.
Collapse
Affiliation(s)
- Sang Duck Jeon
- Department of Biotechnology, Korea University, Seoul 136-701, Republic of Korea
| | - Su Jung Kim
- Department of Biotechnology, Korea University, Seoul 136-701, Republic of Korea
| | - Sung Hyun Park
- Department of Biotechnology, Korea University, Seoul 136-701, Republic of Korea
| | - Gi-Wook Choi
- Changhae Advanced Institute of Technology, Changhae Ethanol Co., Ltd., Jeonju 561-203, Republic of Korea
| | - Sung Ok Han
- Department of Biotechnology, Korea University, Seoul 136-701, Republic of Korea.
| |
Collapse
|
8
|
Yu Z, Gwak KS, Treasure T, Jameel H, Chang HM, Park S. Effect of lignin chemistry on the enzymatic hydrolysis of woody biomass. CHEMSUSCHEM 2014; 7:1942-50. [PMID: 24903047 DOI: 10.1002/cssc.201400042] [Citation(s) in RCA: 74] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/11/2014] [Revised: 03/18/2014] [Indexed: 05/04/2023]
Abstract
The impact of lignin-derived inhibition on enzymatic hydrolysis is investigated by using lignins isolated from untreated woods and pretreated wood pulps. A new method, biomass reconstruction, for which isolated lignins are precipitated onto bleached pulps to mimic lignocellulosic biomass, is introduced, for the first time, to decouple the lignin distribution issue from lignin chemistry. Isolated lignins are physically mixed and reconstructed with bleached pulps. Lignins obtained from pretreated woods adsorb two to six times more cellulase than lignins obtained from untreated woods. The higher adsorption of enzymes on lignin correlates with decreased carbohydrate conversion in enzymatic hydrolysis. In addition, the reconstructed softwood substrate has a lower carbohydrate conversion than the reconstructed hardwood substrate. The degree of condensation of lignin increases significantly after pretreatment, especially with softwood lignins. In this study, the degree of condensation of lignin (0.02 to 0.64) and total OH groups in lignin (1.7 to 1.1) have a critical impact on cellulase adsorption (9 to 70%) and enzymatic hydrolysis (83.2 to 58.2%); this may provide insights into the more recalcitrant nature of softwood substrates.
Collapse
Affiliation(s)
- Zhiying Yu
- Department of Forest Biomaterials, North Carolina State University, 2820 Faucette Boulevard, Campus Box 8005, Raleigh, NC 27695-8005 (USA)
| | | | | | | | | | | |
Collapse
|