Preparation and properties of tannin-histidine metal derivatives at multiple reaction sites

Wang, Yaxiong; Xie, Cai-Ling; Deng, Bo; Zhang, Haixia; Li, Huo; Wang, Ying; Jin, Lisheng

doi:10.1016/j.molstruc.2021.130385

Cited by 8 publications

(4 citation statements)

References 20 publications

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“…The widening and the blue shift of the characteristic peak of CO confirmed this statement. We speculated that the hydrogen atom of −OH in TA would be replaced by Mn to form TA-Mn chelate, which was consistent with the previous reports. , The electron cloud density of the oxygen atom in the hydroxyl group increased at this time, the polarity and bonding constants of the C–O bond also increased, and the blue shift of the characteristic C–O peak in TA supported this conjecture. All four elements (C, N, O, Mn) were present simultaneously in the X-ray photoelectron spectroscopy (XPS) spectra of TMP2, confirming the successful synthesis of NPs (Figure E).…”

Section: Resultssupporting

confidence: 90%

A Multifunctional Nanoparticle Mitigating Cytokine Storm by Scavenging Multiple Inflammatory Mediators of Sepsis

Feng

Zhang

et al. 2023

ACS Nano

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Sepsis is a disease caused by infection, which is characterized by a dysregulated immune response in the host and affects more than 30 million people worldwide each year. However, the current single therapeutic approaches are not effective in controlling the progression of sepsis. Here, we synthesize a nanoparticle (TMP) containing tannic acid (TA), Polymyxin B (PMB), and Mn 2+ (Mn) by a simple one-pot method. TMP has the following characteristics: (1) All components have good biocompatibility; (2) simple preparation process without subsequent processing; (3) antibacterial and remove multiple inflammatory mediators; and (4) effectively mitigating cytokine storm both in the acute lung injury (ALI) and the cecal ligation and puncture (CLP) model. Our results demonstrate the critical role of targeting multiple mediators to mitigate cytokine storms for the treatment of sepsis.

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Section: Resultssupporting

confidence: 90%

A Multifunctional Nanoparticle Mitigating Cytokine Storm by Scavenging Multiple Inflammatory Mediators of Sepsis

Feng

Zhang

et al. 2023

ACS Nano

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“…While the stronger peak of Fe 3+ -histidine solution is slightly blue-shifted to 205.5 nm and a weak acromion appears, which could be ascribed that the imidazole groups are protonated and coordinate with Fe 3+ , thus the electron cloud density of imidazole center decreases. [41] Furthermore, the FTIR spectroscopy of Fe 3+ -histidine shows an evident difference compared to that of histidine (Figure 1d). The vanishment of the peaks at 921 cm −1 (in-plane imidazole rings), 960 and 1141 cm −1 (N-H bonding in imidazole or amino) confirms that Fe 3+ coordinates with 4 N atoms and/or several O atoms to form a complex spatial structure.…”

Section: Resultsmentioning

confidence: 96%

“…At the same time, Fe 3+ could hydrolyze in the aqueous solution (pH = 2.5-3). After histidine was added, the imidazole group in histidine will be protonated and positively charged and then Fe 3+ could coordinate with two histidine molecules through Fe-N(imidazole)/Fe-N(amino)/Fe-O(carboxyl) interaction [39][40][41] (pH≈7). Finally, the metavanadate could be binded with the NH 2…”

Section: Resultsmentioning

confidence: 99%

Regulating Fe Aggregation State via Unique FeNV Pre‐Coordination to Optimize the Adsorption‐Catalysis Effect in High‐Performance Lithium‐Sulfur Batteries

Yang

Wang

Cheng

et al. 2023

Adv Funct Materials

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Lithium‐sulfur batteries (LSBs) suffer from uncontrollable shuttling behavior of lithium polysulfides (LiPSs: Li2Sx, 4 ≤ x ≤8) and the sluggish reaction kinetics of bidirectional liquid‐solid transformations, which are commonly coped through a comprehensive adsorption‐catalysis strategy. Herein, a unique FeNV pre‐coordination is introduced to regulate the content of “dissociative Fe3+” in liquid phase, realizing the successful construction of N‐doped micro‐mesoporous “urchin‐like” hollow carbon nanospheres decorated with single atom Fe‐N4 sites and VN nanoparticles (denoted as SA‐Fe/VN@NMC). The strong chemisorption ability toward LiPSs and catalyzed Li2S decomposition behavior on VN, along with the boosted reaction kinetics for sulfur reduction on SA‐Fe sites are experimentally and theoretically evidenced. Moreover, the nanoscale‐neighborhood distribution of VN and SA‐Fe active sites presents synergistic effect for the anchoring‐reduction‐decomposition process of sulfur species. Thus SA‐Fe/VN@NMC presents an optimized adsorption‐catalysis effect for the whole sulfur conversion. Therefore, the SA‐Fe/VN@NMC based Li‐S cells exhibit high cyclic stability (a low decay of 0.024% per cycle over 700 cycles at 1 C, sulfur content: 70 wt%) and considerable rate performance (683.2 mAh g−1 at 4 C). Besides, a high areal capacity of 5.06 mAh cm−2 is retained after 100 cycles under the high sulfur loading of 5.6 mg cm−2. This work provides a new perspective to design the integrated electrocatalysts comprising hetero‐formed bimetals in LSBs.

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“…We hypothesized that the effect of TA might be attributed to several factors: TA aqueous solution and ANF dispersion would undergo an acid–base neutralization reaction, causing the pH of the mixed system to change from strong alkalinity to weak alkalinity. At the same time, the phenolic hydroxyl groups on TA molecules would interact with the amide groups on ANFs to form hydrogen bonds, and the benzene ring in the TA structure forms π–π stacking with ANFs. , TA molecules exhibited weak acidity and were ionized to form negatively charged TA molecules in aqueous solution, forming electrostatic repulsion with PPTA polyanions, thereby causing mutual repulsion between the ANF chains. Finally, the adsorption of TA molecules onto the surface of nanofibers formed a shielding layer via strong hydrogen-bonding interactions with water molecules, which further prevented self-aggregation of the nanofibers (Figure g).…”

Section: Resultsmentioning

confidence: 99%

Aqueous Dispersion of Aramid Nanofibers Achieved by Using Tannic Acid for Ultrahigh Strength Films

Zhao,

Fu,

et al. 2024

ACS Appl. Mater. Interfaces

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Polymer nanofibers have established a robust foundation and possess immense potential in various emerging fields such as sensors and biotechnology. In this study, aqueous dispersions of aramid nanofibers (ANFs) were successfully prepared by using tannic acid (TA). Morphological analysis revealed that TA effectively prevented self-aggregation of ANFs, and preserved the nanofiber structure during TA-assisted solvent exchange. Subsequently, the ANF and TA/ANF films were fabricated using casting and vacuum-assisted filtration techniques. Notably, the tensile strength of the casting TA/ANF film reached 393.8 MPa, exhibiting a remarkable improvement of 41.3% compared to that of the pure ANF film. These exceptional mechanical properties can be attributed to the well-dispersed nanostructures, hydrogen-bonding interactions, zigzag structures, and fiber-bridging effects. Furthermore, the TA/ANF film demonstrated superior ultraviolet (UV) shielding capabilities, visible transparency properties, and excellent resistance to chemical reagents. The above-mentioned interesting findings demonstrate its potential as a nanofiber-reinforced material for poly(vinyl alcohol) (PVA) composites.

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Preparation and properties of tannin-histidine metal derivatives at multiple reaction sites

Cited by 8 publications

References 20 publications

A Multifunctional Nanoparticle Mitigating Cytokine Storm by Scavenging Multiple Inflammatory Mediators of Sepsis

A Multifunctional Nanoparticle Mitigating Cytokine Storm by Scavenging Multiple Inflammatory Mediators of Sepsis

Regulating Fe Aggregation State via Unique FeNV Pre‐Coordination to Optimize the Adsorption‐Catalysis Effect in High‐Performance Lithium‐Sulfur Batteries

Aqueous Dispersion of Aramid Nanofibers Achieved by Using Tannic Acid for Ultrahigh Strength Films

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