Toxic metal sequential sequestration in water using new amido-aminoacid ligand as a model for the interaction with polyamidoamines

Bergamonti, Laura; Gentili, Silvia; Acquotti, Domenico; Tegoni, Matteo; Lottici, Pier Paolo; Graiff, Claudia

doi:10.1016/j.jhazmat.2020.124585

Journal of Hazardous Materials

2021

DOI: 10.1016/j.jhazmat.2020.124585

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Toxic metal sequential sequestration in water using new amido-aminoacid ligand as a model for the interaction with polyamidoamines

Laura Bergamonti

Silvia Gentili

Domenico Acquotti

et al.

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Cited by 3 publications

References 61 publications

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A Covalent‐Metal Hybrid‐Link Organic Framework Spray for Portable and Instant Therapy of Deep‐Degree Burn

Lu,

Xiang,

Mao

et al. 2024

Adv Funct Materials

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Deep burns lead to extensive damage to the dermal layer, necessitating a longer treatment duration than typical skin injuries. Such burn wounds become more susceptible to drug‐resistant bacterial infections, thereby complicating and prolonging the therapeutic process. In this study, a unique spray composed of covalent metal hybrid‐linked organic frameworks (HLOF) material is developed that effectively eradicates methicillin‐resistant Staphylococcus aureus (MRSA) within 20 min by disrupting MRSA's surface electrons, destroying its cell membrane structure, and ultimately causing its demise with an impressive antibacterial rate of 96.7%. This HLOF material exhibited exceptional biological activity and stability. During the wound recovery procedure, HLOF promoted the expression of Vascular endothelial growthfactor(VEGF) to stimulate angiogenesis while inhibiting the proinflammatory factor Tumor necrosis factor alpha (TNF‐α) expression to eliminate inflammation and further enhance wound repair. This study presents an innovative approach for achieving outstanding antibacterial properties and improved biocompatibility through modifications made to common metal organic frameworks (MOFs), thus expanding their potential applications.

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A Covalent‐Metal Hybrid‐Link Organic Framework Spray for Portable and Instant Therapy of Deep‐Degree Burn

Lu,

Xiang,

Mao

et al. 2024

Adv Funct Materials

View full text Add to dashboard Cite

show abstract

Ecofriendly 3D Printed TiO2/SiO2/Polymer Scaffolds for Dye Removal

Bansiddhi,

Panomsuwan,

Hussakan

et al. 2023

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Photodegradation of Pharmaceutical Pollutants: New Photocatalytic Systems Based on 3D Printed Scaffold-Supported Ag/TiO2 Nanocomposite

et al. 2022

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Due to the release of active pharmaceutical compounds in wastewater and their persistence in the environment, dangerous consequences can develop in the aquatic and terrestrial organisms. Chitosan/Ag/TiO2 3D printed scaffolds, at different Ag nanoparticle concentrations (10, 100, 1000 ppm) are investigated here as promising materials for photocatalytic degradation under the UV–Vis irradiation of pharmaceutical compounds in wastewater. As target drugs, amoxicillin, paracetamol and their 1:1 mix were selected. Ag nanoparticles increase the photocatalytic efficiency of the system based on titanium dioxide embedded in the chitosan scaffold: in the presence of Chitosan/Ag100/TiO2, the selected pharmaceuticals (PhCs), monitored by UV–Vis spectroscopy, are completely removed in about 2 h. The photodegradation products of the PhCs were identified by Liquid Chromatography–Mass Spectroscopy and assessed for their toxicological impact on six different bacterial strains: no antibacterial activity was found towards the tested strains. This new system based on Ag/TiO2 supported on 3D chitosan scaffolds may represent an effective strategy to reduce wastewater pollution by emerging contaminants.

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Toxic metal sequential sequestration in water using new amido-aminoacid ligand as a model for the interaction with polyamidoamines

Cited by 3 publications

References 61 publications

A Covalent‐Metal Hybrid‐Link Organic Framework Spray for Portable and Instant Therapy of Deep‐Degree Burn

A Covalent‐Metal Hybrid‐Link Organic Framework Spray for Portable and Instant Therapy of Deep‐Degree Burn

Ecofriendly 3D Printed TiO2/SiO2/Polymer Scaffolds for Dye Removal

Photodegradation of Pharmaceutical Pollutants: New Photocatalytic Systems Based on 3D Printed Scaffold-Supported Ag/TiO2 Nanocomposite

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