Nanjing Forestry University 2 articles published in JoVE Chemistry Green and Low-cost Production of Thermally Stable and Carboxylated Cellulose Nanocrystals and Nanofibrils Using Highly Recyclable Dicarboxylic Acids Huiyang Bian1,3, Liheng Chen2,3, Ruibin Wang2,3, Junyong Zhu3 1Jiangsu Provincial Key Lab of Pulp and Paper Science and Technology, Nanjing Forestry University, 2State Key Lab of Pulp and Paper Engineering, South China University of Technology, 3Forest Products Laboratory, U.S. Forest Service, U.S. Department of Agriculture Here we demonstrate a novel method for green and sustainable productions of highly thermally stable and carboxylated cellulose nanocrystals (CNC) and nanofibrils (CNF) using highly recyclable solid dicarboxylic acids. Biology Observation and Quantification of Mating Behavior in the Pinewood Nematode, Bursaphelenchus xylophilus Najie Zhu*1, Liqun Bai*1, Stefan Schütz2, Baojun Liu3, Zhenyu Liu3, Xingyao Zhang4, Hongshi Yu1, Jiafu Hu1,5 1Department of Forest Protection, Zhejiang Agricultural & Forestry University, 2Institute of Forest Zoology and Forest Conservation, Georg-August University Göttingen, 3College of Plant Protection, Shandong Agricultural University, 4Institute of Forest Protection, Chinese Academy of Forestry, 5Collaborative Innovation Center of Sustainable Forestry in Southern China, Nanjing Forestry University A protocol for investigating the mating behavior of the pinewood nematode, Bursaphelenchus xylophilus, is presented. Behavioral features of B. xylophilus are described in the mating process.