1. College of Materials Science and Engineering, Nanjing Forestry University, Nanjing, Jiangsu 210037, China
2. Department of Mechanical Engineering, University of North Texas, Denton 76203, United States
3. College of Materials Science and Engineering, Beijing Forestry University, Beijing 100083, China
4. Department of Biochemistry & Molecular Biology, Michigan State University, 603 Wilson Road, East Lansing, Michigan 48824, United States
5. Great Lakes Bioenergy Research Center, Michigan State University, 1129 Farm Lane, East Lansing, Michigan 48824, United States