Silver Nanoparticles Engineered β-Cyclodextrin/γ-Fe2O3@ Hydroxyapatite Composite: Efficient, Green and Magnetically Retrievable Nanocatalyst for the Aqueous Reduction of Nitroarenes

Azaroon, Maedeh; Kiasat, Ali Reza

doi:10.1007/s10562-017-2272-5

Cited by 14 publications

(7 citation statements)

References 68 publications

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“…Among these, HAp/iron oxide nanocomposites attract great scientific attention. Thus, magnetite/hydroxyapatite composite is a promising material for hyperthermia treatments [18]; increase in magnetite concentrations significantly increases the loading capacity of protein for Fe 3 O 4 @HAp composites [19]; magnetic hydroxyapatite microspheres possess better drug release property compared to microspheres without ferrite component [20]; HAp doped with iron oxide exhibits better solubility in physiological solution as well as enhanced radiopacity and osteoblast proliferation activity compared to pure HAp [21,22]; yield and tensile strength of iron/hydroxyapatite composites decrease with increasing HAp content [23]; HAp/iron oxide composites are efficient in the removal of heavy metal ions from water [24]; and HAp/ferrite nanocomposites are magnetically recyclable catalysts [25].…”

Section: Introductionmentioning

confidence: 99%

Hydroxyapatite/iron oxide nanocomposite prepared by high energy ball milling

Vučinić–Vasić

Antić

Bošković

et al. 2019

PAC

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Nanocomposites (HAp/iron oxide), made of hydroxyapatite (HAp) and ferrimagnetic iron oxide, were synthesized by high-energy ball milling a mixture consisting of iron oxide nanoparticles and the starting materials used for the HAp synthesis: calcium hydrogen phosphate anhydrous (CaHPO 4), and calcium hydroxide (Ca(OH) 2). Two HAp/iron oxide samples with the magnetic phase content of 12 and 30 wt.% were prepared and their microstructure, morphology and magnetic properties were analysed by X-ray diffraction and transmission electron microscopy. Furthermore, the measurement of particle size distribution was performed by laser scattering, and temperature/field dependence on magnetization was determined. X-ray diffraction data confirmed the formation of two-phased samples (HAp and spinel iron oxide) without the presence of any other parasite phase. The shape of particles was nearly spherical in both samples, ranging from only a few to several tens of nanometres in diameter. These particles formed agglomerates with the most common value of the number-based particle size distribution of 380 and 310 nm for the sample with 12 and 30 wt.% of iron oxide, respectively. Magnetization data showed that both HAp/iron oxide composites had superparamagnetic behaviour at room temperature.

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Section: Introductionmentioning

confidence: 99%

Hydroxyapatite/iron oxide nanocomposite prepared by high energy ball milling

Vučinić–Vasić

Antić

Bošković

et al. 2019

PAC

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“…There are only a few examples of heterogeneous catalysts for selective hydrogenation of only one nitro group when two are present in the same molecule, and a number of them use NaBH 4 as a reducing agent. [73][74][75][76] There are only a few examples where hydrogen is used instead, and all of them rely on rare and expensive metals like ruthenium, 77 platinum-palladium alloy, 78 or gold. 79,80 Recently, our group developed a silver-based system also using rice husk ashes as a support, with the same selectivity.…”

Section: View Article Onlinementioning

confidence: 99%

Highly active heterogeneous hydrogenation catalysts prepared from cobalt complexes and rice husk waste

Unglaube

Schlapp

Quade

et al. 2022

Catal. Sci. Technol.

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“…The catalyst underwent reduction during reactions to form Pd 0 particles of 6±0.5 nm and showed small drops in activity in the reduction of nitrobenzene in five cycles (98–95 %). A mesoporous γ‐Fe 2 O 3 /hydroxyapatite support material was treated with (3‐aminopropyl)triethoxysilane (APTES) followed by reaction with 1,1‐carbonyldiimidazole‐β‐cyclodextrin [63] . The catalyst loaded with Ag 0 particles (AgNO 3 /NaBH 4 , 12 nm, 3.17 wt %) tested in the reduction of nitrobenzenes showed similar activities (yields of 80–98 %, 80 °C, 15–55 min) with a lower loading of 0.09 mol %.…”

Section: Reductionsmentioning

confidence: 99%

Synthetic Application of Cyclodextrins in Combination with Metal Ions, Complexes, and Metal Particles

Molnár

2020

ChemCatChem

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Cyclodextrins are green, environmentally benign products available through the enzymatic degradation of starch for a multitude of varied applications. This review attempts to collect useful information with respect to catalytic studies performed with the use of cyclodextrin and modified cyclodextrin preparations applied in combination of or loaded with varied catalytically active species including metal ions, complexes, and metal particles. Major sections are about their use in hydrogenation, reduction, oxidation, hydroformylation and coupling reactions. Additional sections include their utilization in ring formation and ring opening as well as degradation of pollutants. In the last part, examples about ester hydrolysis, hydroboration and hydrosilylation, as well as hydrogen production are treated. Data collected and analyzed indicate the importance and high potential of cyclodextrin-based catalysts in sustainable chemistry.

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Silver Nanoparticles Engineered β-Cyclodextrin/γ-Fe2O3@ Hydroxyapatite Composite: Efficient, Green and Magnetically Retrievable Nanocatalyst for the Aqueous Reduction of Nitroarenes

Cited by 14 publications

References 68 publications

Hydroxyapatite/iron oxide nanocomposite prepared by high energy ball milling

Hydroxyapatite/iron oxide nanocomposite prepared by high energy ball milling

Highly active heterogeneous hydrogenation catalysts prepared from cobalt complexes and rice husk waste

Synthetic Application of Cyclodextrins in Combination with Metal Ions, Complexes, and Metal Particles

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