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| Content Provider | Taylor & Francis Online |
|---|---|
| Author | Ding, Wande Wang, Miaoqi Gao, Congjie Wang, Xida Qi, Xin Wang, Zhining |
| Abstract | Aquaporin (AQP) based biomimetic membranes have attracted considerable attention for their potential water purification applications. In this paper, AQP1 incorporated biomimetic membranes were prepared and characterized. The morphology and structure of the biomimetic membranes were characterized by in situ atomic force microscopy (AFM), infrared absorption spectroscopy, fluorescence microscopy, and contact angle measurements. The nanofiltration performance of the AQP1 incorporated membranes was investigated at 4 bar by using 2 g l−1 NaCl as feed solution. Lipid mobility plays an important role in the performance of the AQP1 incorporated supported lipid bilayer (SLB) membranes. We demonstrated that the lipid mobility is successfully tuned by the addition of monoolein (MO). Through in situ AFM and fluorescence recovery after photo-bleaching (FRAP) measurements, the membrane morphology and the molecular mobility were studied. The lipid mobility increased in the sequence DPPC < DPPC/MO (RMO = 5/5) < DOPC/MO (RMO = 5/5) < DOPC, which is consistent with the flux increment and salt rejection. This study may provide some useful insights for improving the water purification performance of biomimetic membranes. |
| File Format | PDF HTM / HTML |
| ISSN | 14686996 18785514 |
| DOI | 10.1088/1468-6996/16/4/045005 |
| Journal | Science and Technology of Advanced Materials |
| Volume Number | 16 |
| Issue Number | 4 |
| Language | English |
| Publisher | Taylor & Francis |
| Publisher Date | 2015-08-13 |
| Access Restriction | Open |
| Subject Keyword | Aquaporin Monoolein Lipid mobility Biomimetic membrane Water purification |
| Content Type | Text |
| Resource Type | Article |
| Subject | Materials Science |
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