3 articles published in JoVE
Experimental Methods for Trapping Ions Using Microfabricated Surface Ion Traps Seokjun Hong1, Minjae Lee1, Yeong-Dae Kwon2, Dong-il "Dan" Cho1, Taehyun Kim2 1ISRC/ASRI, Department of Electrical and Computer Engineering, Seoul National University, 2Quantum Tech. Lab, SK Telecom This paper presents a microfabrication methodology for surface ion traps, as well as a detailed experimental procedure for trapping ytterbium ions in a room-temperature environment.
Oligopeptide Competition Assay for Phosphorylation Site Determination Min Sung Joo1, Ja Hyun Koo1, Sol-Bi Shin2, Hyungshin Yim2, Sang Geon Kim1 1College of Pharmacy and Research Institute of Pharmaceutical Sciences, Seoul National University, 2College of Pharmacy and Institute of Pharmaceutical Science and Technology, Hanyang University Peptide competition assays are widely used in a variety of molecular and immunological experiments. This paper describes a detailed method for an in vitro oligopeptide-competing kinase assay and the associated validation procedures, which may be useful to find specific phosphorylation sites.
Merging Ion Concentration Polarization between Juxtaposed Ion Exchange Membranes to Block the Propagation of the Polarization Zone Minyoung Kim1,2, Hyunjoon Rhee1,3, Ji Yoon Kang1, Tae Song Kim1, Rhokyun Kwak1 1Center for BioMicrosystems, Korea Institute of Science and Technology, 2Department of Mechanical Engineering, Seoul National University, 3Department of Industrial Engineering, University of Illinois Urbana-Champaign The protocol for a novel ion concentration polarization (ICP) platform that can stop the propagation of the ICP zone, regardless of the operating conditions is described. This unique ability of the platform lies in the use of merging ion depletion and enrichment, which are two polarities of the ICP phenomenon.