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Improved antifouling properties of photobioreactors by surface grafted sulfobetaine polymers
Wang, Dongwei1; Wu, Xia2; Long, Lixia3; Yuan, Xubo3; Zhang, Qinghua2; Xue, Shengzhang2; Wen, Shumei2; Yan, Chenghu2; Wang, Jianming1; Cong, Wei2
2017
发表期刊BIOFOULING
ISSN0892-7014
卷号33期号:10页码:970-979
摘要To improve the antifouling (AF) properties of photobioreactors (PBR) for microalgal cultivation, using trihydroxymethyl aminomethane (tris) as the linking agent, a series of polyethylene (PE) films grafted with sulfobetaine (PE-SBMA) with grafting density ranging from 23.11 to 112 mu g cm(-2) were prepared through surface-initiated atom transfer radical polymerization (SI-ATRP). It was found that the contact angle of PE-SBMA films decreased with the increase in the grafting density. When the grafting density was 101.33 mu g cm(-2), it reached 67.27 degrees. Compared with the PE film, the adsorption of protein on the PE-SBMA film decreased by 79.84% and the total weight of solid and absorbed microalgae decreased by 54.58 and 81.69%, respectively. Moreover, the transmittance of PE-SBMA film recovered to 86.03% of the initial value after cleaning, while that of the PE film recovered to only 47.27%. The results demonstrate that the AF properties of PE films were greatly improved on polySBMA-grafted surfaces.
关键词Microalgal Cultivation Photobioreactor Sulfobetaine Biofouling Polyethylene Film
文章类型Article
WOS标题词Science & Technology ; Life Sciences & Biomedicine
DOI10.1080/08927014.2017.1394457
收录类别SCI
语种英语
关键词[WOS]TRANSFER RADICAL POLYMERIZATION ; PROTEIN ADSORPTION ; CLOSED PHOTOBIOREACTORS ; POLYPROPYLENE MEMBRANE ; ZWITTERIONIC POLYMER ; COATINGS ; ADHESION ; BRUSHES ; RESISTANCE ; POLYETHYLENE
WOS研究方向Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
WOS类目Biotechnology & Applied Microbiology ; Marine & Freshwater Biology
项目资助者National key R&D Program of China(2016YFC0500904) ; Natural Science Foundation of China(21706260 ; 21376246)
WOS记录号WOS:000423098600016
引用统计
文献类型期刊论文
条目标识符http://ir.ipe.ac.cn/handle/122111/24088
专题生化工程国家重点实验室
作者单位1.Tianjin Univ Sci & Technol, Sch Food Engn & Biol Technol, Tianjin, Peoples R China
2.Chinese Acad Sci, Inst Proc Engn, State Key Lab Biochem Engn, Beijing, Peoples R China
3.Tianjin Univ, Sch Mat Sci & Engn, Tianjin, Peoples R China
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GB/T 7714
Wang, Dongwei,Wu, Xia,Long, Lixia,et al. Improved antifouling properties of photobioreactors by surface grafted sulfobetaine polymers[J]. BIOFOULING,2017,33(10):970-979.
APA Wang, Dongwei.,Wu, Xia.,Long, Lixia.,Yuan, Xubo.,Zhang, Qinghua.,...&Cong, Wei.(2017).Improved antifouling properties of photobioreactors by surface grafted sulfobetaine polymers.BIOFOULING,33(10),970-979.
MLA Wang, Dongwei,et al."Improved antifouling properties of photobioreactors by surface grafted sulfobetaine polymers".BIOFOULING 33.10(2017):970-979.
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