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Sökning: id:"swepub:oai:DiVA.org:kth-315914" > Nisin electroadsorp...

LIBRIS Formathandbok  (Information om MARC21)
FältnamnIndikatorerMetadata
00004353naa a2200445 4500
001oai:DiVA.org:kth-315914
003SwePub
008220728s2022 | |||||||||||000 ||eng|
0247 a https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-3159142 URI
0247 a https://doi.org/10.1016/j.cej.2022.1359222 DOI
040 a (SwePub)kth
041 a engb eng
042 9 SwePub
072 7a ref2 swepub-contenttype
072 7a art2 swepub-publicationtype
1001 a Li, Jingwenu Zhejiang Ocean Univ, Sch Food & Pharm, Zhoushan 316022, Peoples R China.4 aut
2451 0a Nisin electroadsorption-enabled multifunctional bacterial cellulose membranes for highly efficient removal of organic and microbial pollutants in water
264 1b Elsevier BV,c 2022
338 a print2 rdacarrier
500 a QC 20220728
520 a Membranes fabricated from bacteria-produced cellulose have many practical and technological advantages over other means of cellulose fiber production, however, their functionality for targeted applications is limited and requires complex, multi-stage processing, while the mechanisms underpinned the optimum improvements remain largely unknown. Focusing on one of the highest-demand applications in wastewater treatment, here we resolve the three persistent issues in bacterial cellulose membranes (BCMs), namely poor fibrillar network quality, insufficient functionality and unsatisfactory performance, and discover the counterintuitive, yet most effective mechanism of imparting the multifunctional properties. First, innovative application of the Hestrin-Shramm medium instead of the CM0986 medium stimulated Taonella mepensis to produce BCMs with higher yields, more uniform fibrils and developed fibrillar networks, higher crystallinity indexes, better mechanical and thermal properties. Second, a novel but facile electroadsorption method was developed to enhance BCM functionality via bonding a natural bactericidal peptide-Nisin to the deliberately activated terminals on the BCM surface, achieving great antibacterial activity, good durability, well-preserved nanoporous network, outstanding water retention and low toxicity. Third, due to the synergetic effects of surface adsorption, ionic bonding, physical retention and active microbial killing, the Nisin-decorated BCMs enabled outstanding organic dye removal and excellent disinfection performance, among the best in the available reports. Collectively, this study demonstrates that electroadsorption is a promising and potentially generic strategy to fabricate Nisin-decorated and functionalized BCMs for next-generation membrane filters toward water purification.
650 7a NATURVETENSKAPx Fysikx Den kondenserade materiens fysik0 (SwePub)103042 hsv//swe
650 7a NATURAL SCIENCESx Physical Sciencesx Condensed Matter Physics0 (SwePub)103042 hsv//eng
653 a Bacterial cellulose membrane
653 a Nisin
653 a Functionality
653 a Electroadsorption
653 a Pollutant removal
653 a Wastewater treatment
7001 a Zhang, Xiaofangu Zhejiang Ocean Univ, Sch Food & Pharm, Zhoushan 316022, Peoples R China.4 aut
7001 a Zhao, Yadong,d 1985-u KTH,Fiber- och polymerteknologi,Zhejiang Ocean Univ, Sch Food & Pharm, Zhoushan 34 aut0 (Swepub:kth)u1n092bv
7001 a Ma, Mingzhuu Zhejiang Marine Dev Res Inst, Zhoushan 316000, Peoples R China.4 aut
7001 a Song, Yanu Zhejiang Ocean Univ, Sch Food & Pharm, Zhoushan 316022, Peoples R China.4 aut
7001 a Zheng, Binu Zhejiang Ocean Univ, Sch Food & Pharm, Zhoushan 316022, Peoples R China.4 aut
7001 a Zhou, Rusenu Queensland Univ Technol, Sch Chem & Phys, Brisbane, Qld 4000, Australia.;Queensland Univ Technol, Ctr Mat Sci, Brisbane, Qld 4000, Australia.4 aut
7001 a Ostrikov, Kostya (Ken)u Queensland Univ Technol, Sch Chem & Phys, Brisbane, Qld 4000, Australia.;Queensland Univ Technol, Ctr Mat Sci, Brisbane, Qld 4000, Australia.4 aut
7102 a Zhejiang Ocean Univ, Sch Food & Pharm, Zhoushan 316022, Peoples R China.b Fiber- och polymerteknologi4 org
7730 t Chemical Engineering Journald : Elsevier BVg 440, s. 135922-q 440<135922-x 1385-8947x 1873-3212
8564 8u https://urn.kb.se/resolve?urn=urn:nbn:se:kth:diva-315914
8564 8u https://doi.org/10.1016/j.cej.2022.135922

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