Journal
MICROSCOPY AND MICROANALYSIS
Volume 21, Issue 4, Pages 936-945Publisher
CAMBRIDGE UNIV PRESS
DOI: 10.1017/S1431927615013719
Keywords
macroporous membrane structure; membrane characteristic; X-ray nanotomography; gold nanoparticles
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Funding
- Creative Research Initiative (Diagnosis of Biofluid Flow Phenomena and Biomimic Research) of the Ministry of Science, ICT and Future Planning (MSIP)
- National Research Foundation (NRF) of Korea [2008-0061991]
- National Research Foundation of Korea [2008-0061991] Funding Source: Korea Institute of Science & Technology Information (KISTI), National Science & Technology Information Service (NTIS)
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Understanding the morphological structure of membranes is essential to improve performance of membrane-based applications. In this paper, macroporous membranes were investigated and two methods introduced as an alternative for characterization of stereo-structure of the membranes. We combined the use of synchrotron X-ray nanotomography and small-angle X-ray scattering to examine the internal structure of cellulose acetate membranes with studies of the capture of surface-modified gold nanoparticles within these membranes. Finally, the morphological structures of macroporous membranes were visualized and their relationships with penetration tendency of surface-modified gold nanoparticles were explained.
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