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Behavior of maltose-neopentyl glycol-3 (MNG-3) at the air/aqueous interface
- Authors
- Yoo, Bowon; Lee, Jisun; Choi, Soyoung; Ryu, Jungju; Lee, Hoik; Chae, Pil Seok; Lee, Sang Uck; Maeda, Mizuo; Sohn, Daewon
- Issue Date
- Nov-2015
- Publisher
- Elsevier BV
- Keywords
- Integral membrane proteins; Protein surfactant; MNG-3; Langmuir-Schaefer film; X-ray reflectivity; Surface pressure-area isotherm
- Citation
- Colloids and Surfaces A: Physicochemical and Engineering Aspects, v.484, pp.184 - 189
- Indexed
- SCIE
SCOPUS
- Volume
- 484
- Start Page
- 184
- End Page
- 189
- ISSN
- 0927-7757
- Abstract
- Integral membrane proteins (IMPS) performing a variety of cell functions comprise a significant fraction of the proteins encoded in an organism's genome. Maltose-neopentyl glycol-3 (MNG-3) was invented as a novel detergent to extract IMPs from the cell membranes; MNG-3 has an inherent flexibility originating from its central carbon and its arms comprising alkyl chains and maltose groups. Herein, we demonstrate the reverse-scissoring behavior of MNG-3 through the use of different subphase conditions at the air/water interface. The origin of its high performance was investigated by means of Langmuir techniques, X-ray reflectivity (XRR) analysis of its Langmuir-Schaefer (LS) film, Brewster angle microscope (BAM) and atomic force microscope (AFM) and computational simulation. (C) 2015 Elsevier B.V. All rights reserved.
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Related Researcher
- Chae, Pil Seok
- ERICA 첨단융합대학 (ERICA 바이오나노공학전공)