Rapid and large‐scale separation of magnetic nanoparticles by low‐field permanent magnet with gas assistance |
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| Authors: | Wensong Li Liangrong Yang Huizhou Liu Xiaopei Li Zhini Liu Fuchun Wang Na Sui Chuanxu Xiao |
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| Affiliation: | 1. Key Laboratory of Green Process and Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China;2. State Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing, China;3. University of Chinese Academy of Sciences, Beijing, China |
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| Abstract: | Bubbles can be used to greatly improve the speed of magnetic separation (MS) and overcome the limitation of magnetic force on the capture distance, making low‐field MS highly efficient and easily scalable. This novel method leads to the development of a medium‐free continuous gas‐assisted magnetic separator on small pilot scale using low‐field permanent magnet. This separator is demonstrated highly efficient for recovery of proteins‐loaded magnetic nanoparticles from large volume biosuspension. © 2014 American Institute of Chemical Engineers AIChE J, 60: 3101–3106, 2014 |
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| Keywords: | bubbles gas‐assisted magnetic separation low field nanoparticles permanent magnet |
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