Decorating UiO-66-NH2 crystals on recyclable fiber bearing polyamine and amidoxime bifunctional groups via cross-linking method with good stability for highly efficient capture of U(VI) from aqueous solution

Zhang, Gang; Fan, Haiman; Zhou, Ru-yi; Yin, Weiyan; Wang, Ruobing; Yang, Ming; Zhang, Xue; Yang, Yongsheng; Yu, Jiahui

doi:10.1016/j.jhazmat.2021.127273

Cited by 13 publications

(5 citation statements)

References 61 publications

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“…As shown in Figure a, UiO66 and UiO66-NH 2 presented an approximate apparent morphology of a sphere with size distributions of 97.5 ± 11.20 and 106.5 ± 16.65 nm, respectively, showing good dispersion. The Bragg diffraction peaks (Figure b) at 7.4, 8.5, and 26.2° of UiO66 and UiO66-NH 2 samples correspond to the crystal planes (111), (002), and (006), respectively, which were consistent with the reported and simulated patterns, proving their high purity and crystallinity. For the sake of scientific rigor, the analysis and discussion in this study are based on the following assumptions: the structures of the synthesized UiO66/UiO66-NH 2 are perfect crystals with the unit structure formula of Zr 6 O 4 (OH) 4 (bridging linker) 6 and the solution samples are dilute enough such that the UiO66 and UiO66-NH 2 particles have equal contact probability with HSA.…”

Section: Resultssupporting

confidence: 84%

Experimental and Computational Investigations of the Effects of Bridging Linkers on the Protein Corona of Nanoscale Metal–Organic Frameworks

Gan,

Zeng,

Song

et al. 2024

ACS Appl. Nano Mater.

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Investigation of the protein corona of nanoscale metal−organic frameworks (NMOFs) is crucial for their safety assessment; however, it remains inadequately addressed. This study specifically focused on the impact of the bridging linker on the protein corona formation of NMOFs by utilizing nanoscale UiO66/ UiO66-NH 2 and human serum albumin (HSA) as models. Both UiO66 and UiO66-NH 2 effectively quenched the endogenous fluorescence of HSA through a static quenching mechanism. Notably, UiO66 with higher hydrophobicity exhibited a stronger binding affinity (5.62 × 10 4 L•mol −1 ) with HSA than the UiO66-NH 2 −HSA system (2.51 × 10 4 L•mol −1 ) at 310 K. UiO66 also adsorbed a greater amount of HSA, induced conformational rearrangement in HSA to a greater extent, and finally led to a significant reduction in the protein surface hydrophobicity. Computer docking and molecular dynamics (MD) simulations further confirmed that HSA demonstrated a higher binding energy, lower total energy, and smaller solvent-accessible surface area when interacting with the bridging linker of UiO66. Moreover, although UiO66 displayed lower cytotoxicity toward 293T cells, UiO66-NH 2 exhibited better blood compatibility as evidenced by the elevated values of activated partial thromboplastin time (APTT, 28− 57 s) and prothrombin time (PT, 11.7−13.1 s).

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Section: Resultssupporting

confidence: 84%

Experimental and Computational Investigations of the Effects of Bridging Linkers on the Protein Corona of Nanoscale Metal–Organic Frameworks

Gan,

Zeng,

Song

et al. 2024

ACS Appl. Nano Mater.

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“…Table 4 compared the maximum elimination capacity of U(VI) onto other adsorbents reported in previous studies [ 20 , 43 , 44 , 45 , 46 , 47 , 48 , 49 , 50 , 51 , 52 , 53 , 54 , 55 ]. It could be seen that ZIF-67-PU possessed a lower elimination capacity in comparison to other MOF adsorbents, i.e., HAP/ZIF-67 [ 22 ], BZCA-ZIF-8 [ 52 ], Fe 3 O 4 @ZIF-8 [ 53 ], and PAN@ZIF-8 [ 54 ], which can be ascribed to the limited amounts of ZIF-67 nanoparticles on the PU surface, since the functional groups of MOF materials played a dominant role in improving the elimination capacity. Moreover, the surface area also has an important influence on adsorption performance.…”

Section: Resultsmentioning

confidence: 99%

“…Moreover, the surface area also has an important influence on adsorption performance. The BET surface area of ZIF-67-PU is only 2.57 m 2 ·g −1 , much lower than that of Fe-ZIF-8-300(PO 4 ) (755.25 m 2 ·g −1 and 1069.42 m 2 ·g −1 ) [ 20 ], HAP/ZIF-67 (945.4 m 2 ·g −1 ) [ 22 ], BZCA-ZIF-8 (220.45 m 2 ·g −1 ) [ 52 ] and so on, which is responsible for its lower adsorption capacity for U(VI). Although ZIF-67-PU is insufficient in its elimination capacity in comparison to other efficient MOF adsorbents, the ZIF-sponge displayed remarkable U(VI) elimination performance compared to other adsorbents such as biochar (2.12 mg∙g −1 ) [ 43 ], silicate/diatomite (31.54 mg∙g −1 ) [ 44 ], sulfonated graphene oxide (45.05 mg∙g −1 ) [ 45 ], ZIF-90 (77.6 mg∙g −1 ) and ZIF-90-SA (85.1 mg∙g −1 ) [ 46 ].…”

Section: Resultsmentioning

confidence: 99%

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Zeolitic Imidazole Framework (ZIF)–Sponge Composite for Highly Efficient U(VI) Elimination

Duan,

Long,

Liu

et al. 2024

Molecules

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Herein, a zeolitic imidazole framework (ZIF-67) composite was prepared by a rapid, simple and inexpensive situ hybridization technique applying polyurethane sponge (PU) as support, which was designated as ZIF-67-PU. The ZIF-67 nanoparticle was successfully supported on the surface of sponge skeletons mainly through electrostatic attraction as well as probable π−π stacking interactions with PAM modification of the sponge. The resultant ZIF-67-PU exhibited a remarkably enhanced U(VI) elimination capacity of 150.86 mg∙g−1 on the basis of the Langmuir isotherm model, in comparison to pristine sponge. Additionally, the mechanism for U(VI) elimination was mainly achieved through the complex reaction between C–N(H)/–OH groups in ZIF-67 and U(VI), based on XPS investigations. ZIF-67-PU represents a simple, feasible and low-cost disposal option for preparing ZIF-coated sponges of any shape that can enhance the U(VI) elimination capacity. Furthermore, this approach can be widely applied to the preparation of various kinds of MOF-sponges through this situ hybridization technique.

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“…The internal crystal structure of the fiber was analyzed by XRD (Figure 3C). The two wide diffraction peaks concentrated at 17 • and 29.5 • corresponded to the (100) and (110) crystal planes of the hexagonal lattice in PANF [42] (Figure 3C, trace a). PAN A F and PAN A F-FeOOH (Figure 3C, traces b,c) had similar characteristic peaks as PANF, showing that the structure of the fiber was not destroyed after functionalization.…”

Section: Characterization Of Pan a F-feoohmentioning

confidence: 99%

Synthesis of FeOOH-Loaded Aminated Polyacrylonitrile Fiber for Simultaneous Removal of Phenylphosphonic Acid and Phosphate from Aqueous Solution

Rui

Liu

et al. 2023

Polymers

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Phosphorus is one of the important metabolic elements for living organisms, but excess phosphorus in water can lead to eutrophication. At present, the removal of phosphorus in water bodies mainly focuses on inorganic phosphorus, while there is still a lack of research on the removal of organic phosphorus (OP). Therefore, the degradation of OP and synchronous recovery of the produced inorganic phosphorus has important significance for the reuse of OP resources and the prevention of water eutrophication. Herein, a novel FeOOH-loaded aminated polyacrylonitrile fiber (PANAF-FeOOH) was constructed to enhance the removal of OP and phosphate. Taking phenylphosphonic acid (PPOA) as an example, the results indicated that modification of the aminated fiber was beneficial to FeOOH fixation, and the PANAF-FeOOH prepared with 0.3 mol L−1 Fe(OH)3 colloid had the best performance for OP degradation. The PANAF-FeOOH efficiently activated peroxydisulfate (PDS) for the degradation of PPOA with a removal efficiency of 99%. Moreover, the PANAF-FeOOH maintained high removal capacity for OP over five cycles as well as strong anti-interference in a coexisting ion system. In addition, the removal mechanism of PPOA by the PANAF-FeOOH was mainly attributed to the enrichment effect of PPOA adsorption on the fiber surface’s special microenvironment, which was more conducive to contact with SO4•− and •OH generated by PDS activation. Furthermore, the PANAF-FeOOH prepared with 0.2 mol L−1 Fe(OH)3 colloid possessed excellent phosphate removal capacity with a maximal adsorption quantity of 9.92 mg P g−1. The adsorption kinetics and isotherms of the PANAF-FeOOH for phosphate were best depicted by pseudo-quadratic kinetics and a Langmuir isotherm model, showing a monolayer chemisorption procedure. Additionally, the phosphate removal mechanism was mainly due to the strong binding force of iron and the electrostatic force of protonated amine on the PANAF-FeOOH. In conclusion, this study provides evidence for PANAF-FeOOH as a potential material for the degradation of OP and simultaneous recovery of phosphate.

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Decorating UiO-66-NH2 crystals on recyclable fiber bearing polyamine and amidoxime bifunctional groups via cross-linking method with good stability for highly efficient capture of U(VI) from aqueous solution

Cited by 13 publications

References 61 publications

Experimental and Computational Investigations of the Effects of Bridging Linkers on the Protein Corona of Nanoscale Metal–Organic Frameworks

Experimental and Computational Investigations of the Effects of Bridging Linkers on the Protein Corona of Nanoscale Metal–Organic Frameworks

Zeolitic Imidazole Framework (ZIF)–Sponge Composite for Highly Efficient U(VI) Elimination

Synthesis of FeOOH-Loaded Aminated Polyacrylonitrile Fiber for Simultaneous Removal of Phenylphosphonic Acid and Phosphate from Aqueous Solution

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