Knowledge Management System Of Guangzhou Institute of Energy Conversion, CAS
A Fractal-Like Kinetic Equation to Investigate Temperature Effect on Cellulose Hydrolysis by Free and Immobilized Cellulase | |
Zhang, Yu; Xu, Jing-Liang; Qi, Wei; Yuan, Zhen-Hong; Zhuang, Xin-Shu; Liu, Yun; He, Min-Chao | |
2012-09-01 | |
Source Publication | APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY
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Volume | 168Issue:1Pages:144-153 |
Abstract | According to fractal-like theory in the heterogeneous system, a cellulase-catalyzed kinetic equation that contained two parameters (rate constant k and fractal dimension h) was deduced. The equation described directly the mathematical relationship between reducing sugar concentration and hydrolytic time, and accurately fitted the experimental data of free/immobilized cellulase at 37, 40, 44, 47, and 50 A degrees C (R (2) > 0.99). The fitted h value is estimated as a constant (0.6148) in these tested temperatures. The fitted k value increased with temperature increase, and the relationship agreed with Arrhenius equation (R (2) > 0.98). The fractal-like equation could predict accurately the experimental data at low temperature 34 A degrees C for free/immobilized cellulase and high temperature 53 A degrees C for immobilized cellulase, but the prediction at 53 A degrees C for free cellulase was not accurate enough due to its lower stability than immobilized cellulase. The application of fractal-like theory in cellulase kinetics is successful. |
Subtype | Article |
Keyword | Biomass Cellulase Fractal-like Kinetics Rate Constant Arrhenius Equation Simulation And Prediction |
WOS Headings | Science & Technology ; Life Sciences & Biomedicine |
DOI | 10.1007/s12010-011-9362-4 |
WOS Subject Extended | Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology |
WOS Keyword | HETEROGENEOUS ENZYMATIC-HYDROLYSIS ; COTTON GIN WASTE ; SIMULTANEOUS SACCHARIFICATION ; STATISTICAL OPTIMIZATION ; SMART BIOCONJUGATE ; EUDRAGIT L-100 ; WHEAT-STRAW ; FERMENTATION ; ETHANOL ; MODEL |
Indexed By | SCI |
Language | 英语 |
WOS Subject | Biochemistry & Molecular Biology ; Biotechnology & Applied Microbiology |
WOS ID | WOS:000309223700014 |
Citation statistics | |
Document Type | 期刊论文 |
Identifier | http://ir.giec.ac.cn/handle/344007/10177 |
Collection | 中国科学院广州能源研究所 |
Affiliation | Chinese Acad Sci, Guangzhou Inst Energy Convers, Key Lab Renewable Energy & Gas Hydrate, Guangzhou 510640, Guangdong, Peoples R China |
Recommended Citation GB/T 7714 | Zhang, Yu,Xu, Jing-Liang,Qi, Wei,et al. A Fractal-Like Kinetic Equation to Investigate Temperature Effect on Cellulose Hydrolysis by Free and Immobilized Cellulase[J]. APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY,2012,168(1):144-153. |
APA | Zhang, Yu.,Xu, Jing-Liang.,Qi, Wei.,Yuan, Zhen-Hong.,Zhuang, Xin-Shu.,...&He, Min-Chao.(2012).A Fractal-Like Kinetic Equation to Investigate Temperature Effect on Cellulose Hydrolysis by Free and Immobilized Cellulase.APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY,168(1),144-153. |
MLA | Zhang, Yu,et al."A Fractal-Like Kinetic Equation to Investigate Temperature Effect on Cellulose Hydrolysis by Free and Immobilized Cellulase".APPLIED BIOCHEMISTRY AND BIOTECHNOLOGY 168.1(2012):144-153. |
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