A durable and stable hollow carrier based on metal–phenolic network composed of ZnII and proanthocyanidins/polydopamine

Xiao, Zuobing; Song, Ke; Huang, Xin; Niu, Yunwei; Ke, Qinfei; Kou, Xingran

doi:10.1016/j.colsurfb.2022.112888

Cited by 4 publications

(4 citation statements)

References 47 publications

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“…Next, 2.5 mL of gastric digestion samples was mixed with 2.5 mL sterile SIF, which mainly contained pancreatin (115 U/mL) and phosphate solution, and kept under 37 °C incubation. The supernatant was obtained at various intervals (2,4,8,12,24,48, 72 h) and heated for 5 min at 100 °C to invalidate trypsin. After centrifugation, NOB content was detected by the same method as above.…”

Section: ■ Materials and Methodsmentioning

confidence: 99%

“…23 Its strong affinity provides the possibility of adsorbing on the surface of various substances as an intermediate carrier between the prepackaged small molecules and the wall materials, thus improving the packaging efficiency. 24 Simultaneously, polyphenols, for instance, epigallocatechin gallate (EGCG)and tannic acid, exhibit excellent antioxidant effects due to the presence of phenolic hydroxyl structure, which can synergistically enhance the interventional effect of encapsulated substances in colitis. 25 These advantages provide the possibility of enrichment and efficient intervention of the NOB in the intestine.…”

Section: ■ Introductionmentioning

confidence: 99%

“…Furthermore, the metal polyphenol network (MPN) structure formed by self-assembly of polyphenols and metal ions becomes a highly templated functional metal–organic material . Its strong affinity provides the possibility of adsorbing on the surface of various substances as an intermediate carrier between the prepackaged small molecules and the wall materials, thus improving the packaging efficiency . Simultaneously, polyphenols, for instance, epigallocatechin gallate (EGCG)and tannic acid, exhibit excellent antioxidant effects due to the presence of phenolic hydroxyl structure, which can synergistically enhance the interventional effect of encapsulated substances in colitis .…”

Section: Introductionmentioning

confidence: 99%

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Highly Effective Nobiletin–MPN in Yeast Microcapsules for Targeted Modulation of Oxidative Stress, NLRP3 Inflammasome Activation, and Immune Responses in Ulcerative Colitis

Yang,

Xia,

et al. 2024

J. Agric. Food Chem.

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Inflammatory bowel disease (IBD) etiology is intricately linked to oxidative stress and inflammasome activation. Natural antioxidant nobiletin (NOB) contains excellent anti-inflammatory properties in alleviating intestinal injury. However, the insufficient water solubility and low bioavailability restrict its oral intervention for IBD. Herein, we constructed a highly efficient NOB-loaded yeast microcapsule (YM, NEFY) exhibiting marked therapeutic efficacy for dextran sulfate sodium (DSS)-induced ulcerative colitis (UC) at a low oral dose of NOB (20 mg/kg). We utilized the metal polyphenol network (MPN) formed by selfassembly of epigallocatechin gallate (EGCG) and FeCl 3 as the intermediate carrier to improve the encapsulation efficiency (EE) of NOB by 4.2 times. These microcapsules effectively alleviated the inflammatory reaction and oxidative stress of RAW264.7 macrophages induced by lipopolysaccharide (LPS). In vivo, NEFY with biocompatibility enabled the intestinal enrichment of NOB through controlled gastrointestinal release and macrophage targeting. In addition, NEFY could inhibit NLRP3 inflammasome and balance the macrophage polarization, which favors the complete intestinal mucosal barrier and recovery of colitis. Based on the oral targeted delivery platform of YM, this work proposes a novel strategy for developing and utilizing the natural flavone NOB to intervene in intestinal inflammation-related diseases.

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Section: ■ Materials and Methodsmentioning

confidence: 99%

Section: ■ Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

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Highly Effective Nobiletin–MPN in Yeast Microcapsules for Targeted Modulation of Oxidative Stress, NLRP3 Inflammasome Activation, and Immune Responses in Ulcerative Colitis

Yang,

Xia,

et al. 2024

J. Agric. Food Chem.

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“…Then, the membrane was immersed in a VA-co-VAm solution to complete the interfacial reaction between quinone groups and amino groups. Due to the hydrophobicity of the PVDF membrane and the strong adhesion of the catechol structure in PC, 28 a thin liquid layer can be formed on the surface of the PVDF membrane. Both physical and chemical properties, including morphology, were thoroughly characterized by FITR, SEM, XPS, AFM, and CA measurements.…”

Section: Introductionmentioning

confidence: 99%

Study on High-Performance Pervaporation Desalination Membranes Prepared by Interfacial Reactions between Two Aqueous Monomers

Fu,

Dong,

Hao

et al. 2023

Ind. Eng. Chem. Res.

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In this study, a highly hydrophilic membrane was developed by an interfacial reaction using two aqueous monomers for pervaporation (PV) desalination. Two water-soluble monomers, procyanidin (PC) and vinyl alcohol-vinylamine copolymer (VA-co-VAm), were applied to prepare membranes on hydrophobic polyvinylidene difluoride (PVDF) membranes through interfacial reactions. Catechol groups of PC were oxidized to quinone groups under weakly alkaline conditions, which could react with amino groups of VA-co-VAm to form a cross-linked network. The PVDF membrane was first dipped into a PC aqueous solution to form a thin PC liquid layer on the surface. Accompanied by the PC liquid layer, the PVDF membrane was then dipped into the VA-co-VAm solution to induce the interfacial reaction. The composition and structure of membranes were observed, and the effects of different factors on the desalination performance were investigated. By applying two aqueous monomers in the interfacial reaction process, the obtained thin membrane showed good hydrophilicity with a water contact angle of less than 42°. A water flux of 42.16 kg/(m 2 •h) at 60 °C was obtained by treating a feed solution (3.5 wt % NaCl). At all testing procedures, the salt rejection remained higher than 99.99%. Besides, the membrane displayed superior stability over 48 h of testing. According to the above results, the prepared membranes showed great potential in the process of PV desalination. This work provides a new approach for highly permeable PV membrane preparation through an interfacial reaction using two water-soluble materials.

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Tannic acid-assisted upcycling of Cu from waste printed circuit boards to an efficient peroxymonosulfate catalyst for the degradation of organic pollutants

Wang,

Xu,

2024

Science of The Total Environment

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A durable and stable hollow carrier based on metal–phenolic network composed of ZnII and proanthocyanidins/polydopamine

Cited by 4 publications

References 47 publications

Highly Effective Nobiletin–MPN in Yeast Microcapsules for Targeted Modulation of Oxidative Stress, NLRP3 Inflammasome Activation, and Immune Responses in Ulcerative Colitis

Highly Effective Nobiletin–MPN in Yeast Microcapsules for Targeted Modulation of Oxidative Stress, NLRP3 Inflammasome Activation, and Immune Responses in Ulcerative Colitis

Study on High-Performance Pervaporation Desalination Membranes Prepared by Interfacial Reactions between Two Aqueous Monomers

Tannic acid-assisted upcycling of Cu from waste printed circuit boards to an efficient peroxymonosulfate catalyst for the degradation of organic pollutants

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