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Sungkyunkwan University (SKKU)

2 ARTICLES PUBLISHED IN JoVE

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.

Biochemistry

Arteriovenous Metabolomics to Measure In Vivo Metabolite Exchange in Brown Adipose Tissue

Sanghun Lee^*1, Gyumin Lim^*2,3, Soyeon Kim^*1, Hyoju Kim¹, Yeon Jin Roh³, Wantae Kim², Dong Wook Choi³, Su Myung Jung¹

¹Department of Biological Sciences, Sungkyunkwan University (SKKU), ²Department of Biochemistry, College of Natural Sciences, Chungnam National University, ³Department of Biotechnology, College of Life Sciences and Biotechnology, Korea University

In this protocol, methods relevant for BAT-optimized arteriovenous metabolomics using GC-MS in a mouse model are outlined. These methods allow for the acquisition of valuable insights into BAT-mediated metabolite exchange at the organismal level.