Sono-intercalation of CdS nanoparticles into the layers of titanate facilitates the sunlight degradation of Congo red

Sehati, Seyedeh Sahar Sagha; Entezari, Mohammad Hassan

doi:10.1016/j.jcis.2015.09.070

Cited by 17 publications

(3 citation statements)

References 37 publications

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“…Supplementary Figures S1–S3 show the ultrastructural morphology and chemical composition of the mineral fibers employed. The chemical compositions of crocidolite and TiO 2 NWs were found to be compatible with those already reported by other authors [ 79 , 80 ]. As expected, WOLLA (a calcium inosilicate) was revealed to be mainly composed of calcium and silicon.…”

Section: Methodssupporting

confidence: 91%

The Secretory Response of Rat Peritoneal Mast Cells on Exposure to Mineral Fibers

Borelli

Trevisan

Vita

et al. 2018

IJERPH

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Background: Exposure to mineral fibers is of substantial relevance to human health. A key event in exposure is the interaction with inflammatory cells and the subsequent generation of pro-inflammatory factors. Mast cells (MCs) have been shown to interact with titanium oxide (TiO2) and asbestos fibers. In this study, we compared the response of rat peritoneal MCs challenged with the asbestos crocidolite and nanowires of TiO2 to that induced by wollastonite employed as a control fiber. Methods: Rat peritoneal MCs (RPMCs), isolated from peritoneal lavage, were incubated in the presence of mineral fibers. The quantities of secreted enzymes were evaluated together with the activity of fiber-associated enzymes. The ultrastructural morphology of fiber-interacting RPMCs was analyzed with electron microscopy. Results: Asbestos and TiO2 stimulate MC secretion. Secreted enzymes bind to fibers and exhibit higher activity. TiO2 and wollastonite bind and improve enzyme activity, but to a lesser degree than crocidolite. Conclusions: (1) Mineral fibers are able to stimulate the mast cell secretory process by both active (during membrane interaction) and/or passive (during membrane penetration) interaction; (2) fibers can be found to be associated with secreted enzymes—this process appears to create long-lasting pro-inflammatory environments and may represent the active contribution of MCs in maintaining the inflammatory process; (3) MCs and their enzymes should be considered as a therapeutic target in the pathogenesis of asbestos-induced lung inflammation; and (4) MCs can contribute to the inflammatory effect associated with selected engineered nanomaterials, such as TiO2 nanoparticles.

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Section: Methodssupporting

confidence: 91%

The Secretory Response of Rat Peritoneal Mast Cells on Exposure to Mineral Fibers

Borelli

Trevisan

Vita

et al. 2018

IJERPH

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“…As a II–IV cluster binary semiconductor material, cadmium sulfide is widely used as an optical material due to its excellent optical properties, narrow band gap, and ease of generating electrons as well as gaps when excited by light. , Water-dispersed cadmium sulfide quantum dots (CdS QDs) with high quantum yield have shown great potential application value in fields such as biological imaging, ion detection,and especially bioluminescent labeling . However, the disadvantage is that when CdS nanoparticles with surface-modified stabilizing molecules underwent violent reaction, these molecules are more likely to be desorbed from the surface of CdS nanoparticles, resulting in agglomeration and precipitation of nanoparticles . Alternatively, the stability of semiconductor materials can be improved through combining with porous materials because electron transition and cavitation are effectively suppressed. , The large surface of porous materials provides a large number of binding sites for anchoring quantum dots as well.…”

mentioning

confidence: 99%

“…14 However, the disadvantage is that when CdS nanoparticles with surface-modified stabilizing molecules underwent violent reaction, these molecules are more likely to be desorbed from the surface of CdS nanoparticles, resulting in agglomeration and precipitation of nanoparticles. 15 Alternatively, the stability of semiconductor materials can be improved through combining with porous materials because electron transition and cavitation are effectively suppressed. 16,17 The large surface of porous materials provides a large number of binding sites for anchoring quantum dots as well.…”

mentioning

confidence: 99%

In Situ Incorporation of Fluorophores in Zeolitic Imidazolate Framework-8 (ZIF-8) for Ratio-Dependent Detecting a Biomarker of Anthrax Spores

Luo

Deng

et al. 2020

Anal. Chem.

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Monitoring and early warning of spores germination is of great significance in avoiding their potential pathogenicity. Thus, effective monitoring of markers during spore germination is of great value. A ratio-dependent fluorescent probe based on in situ incorporation of fluorophores in a metal–organic framework (MOF) was designed to monitor a main component of bacterial spores, 2,6-pyridinedicarboxylic acid (DPA), with high sensitivity and specificity. The fluorescence of CdS quantum dots loaded on zeolitic imidazolate framework-8 (ZIF-8) nanocrystals is initially quenched by europium ions. The europium ions, however, can be seized by DPA, leading to restoring the fluorescence of quantum dots. Simultaneously, the fluorescence of another dye molecule, rhodamine 6G, loaded on the ZIF-8 is not affected by DPA and can serve as a stable internal fluorescence reference signal. On this basis, a ratio-dependent fluorescence method for rapid detection of DPA was established. The linear calibration ranged from 0.1 to 150 μM with a detection limit of 67 nM, which is much lower than the amount of DPA (60 μM) released by the contagious number of spores needed to cause anthrax. This analysis platform exhibits good anti-interference ability for monitoring spore germination. The practicable application of the method was verified by monitoring and imaging the release of DPA in the course of spore germination.

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Removal of Organic Dyes by Functionalized Nanomaterials

Rani,

Shanker

2022

Handbook of Green and Sustainable Nanotechnology

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Sono-intercalation of CdS nanoparticles into the layers of titanate facilitates the sunlight degradation of Congo red

Cited by 17 publications

References 37 publications

The Secretory Response of Rat Peritoneal Mast Cells on Exposure to Mineral Fibers

The Secretory Response of Rat Peritoneal Mast Cells on Exposure to Mineral Fibers

In Situ Incorporation of Fluorophores in Zeolitic Imidazolate Framework-8 (ZIF-8) for Ratio-Dependent Detecting a Biomarker of Anthrax Spores

Removal of Organic Dyes by Functionalized Nanomaterials

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