Pusan National University 3 articles published in JoVE Behavior A Chronic Immobilization Stress Protocol for Inducing Depression-Like Behavior in Mice Hyeonwi Son1, Ju Hwan Yang2, Hyun Joon Kim*1, Dong Kun Lee*3 1Department of Anatomy and Convergence Medical Sciences, Institute of Health Sciences, Bio Anti-aging Medical Research Center, Gyeongsang National University Medical School, 2Department of Biological Sciences, Pusan National University, 3Department of Physiology and Convergence Medical Sciences, Institute of Health Sciences, Gyeongsang National University Medical School This article provides a simplified and standardized protocol for induction of depressive-like behavior in chronically immobilized mice by using a restrainer. In addition, behavior and physiological techniques to verify induction of depression are explained. Chemistry Functionalization of Single-walled Carbon Nanotubes with Thermo-reversible Block Copolymers and Characterization by Small-angle Neutron Scattering Youngkyu Han1, Suk-kyun Ahn2,3, Zhe Zhang1,4, Gregory S. Smith1, Changwoo Do1 1Biology and Soft Matter Division, Neutron Science Directorate, Oak Ridge National Laboratory, 2Center for Nanophase Materials Sciences, Oak Ridge National Laboratory, 3Department of Polymer Science and Engineering, Pusan National University, 4Jülich Center for Neutron Science, Forschungszentrum Jülich A method for the functionalization of carbon nanotubes with structure-tunable polymeric encapsulation layers and structural characterization using small-angle neutron scattering is presented. Engineering Preparation of ZnO Nanorod/Graphene/ZnO Nanorod Epitaxial Double Heterostructure for Piezoelectrical Nanogenerator by Using Preheating Hydrothermal Dong-Myeong Shin1, Seok Hee Kang2, Seongsu Kim3, Wanchul Seung3, Ermias Libnedengel Tsege1, Sang-Woo Kim3, Hyung Kook Kim1, Suck Won Hong2, Yoon-Hwae Hwang1 1Department of Nanoenergy Engineering, BK21 Plus Nanoconvergence Technology Division, Pusan National University (PNU), Miryang, 2Department of Cogno-Mechatronics Engineering, Pusan National University (PNU), Busan, 3SKKU Advanced Institute of Nanotechnology (SAINT), Center for Human Interface Nanotechnology (HINT), SKKU-Samsung Graphene Center, Sungkyunkwan University (SKKU) One-step fabrication method for obtaining freestanding epitaxial double heterostructure is presented. This approach could achieve ZnO coverage with a higher number density than that of the epitaxial single heterostructure, leading to a piezoelectric nanogenerator with an increased output electrical performance.