Eggshell recycling for fabrication of Pd@CaO, characterization and high-performance solar photocatalytic activity

Nassar, A. M.; Alotaibi, Nasser F.

doi:10.1007/s11356-020-10751-x

Cited by 30 publications

(26 citation statements)

References 37 publications

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“…The positions of high intensity peaks refer to the formation of pure Ru/Ag/Pd trimetallic NPs. Peaks appeared at 2θ = 40.11, 46.15, and 68.31 which correspond to (111), (200), and (220), respectively, and are consistent with a conventional Pd-NPs phase pattern [29,30]. Ag NPs showed typical peaks corresponding to the (111), ( 200), (220), and (311) planes at 2θ values of 38.14, 44.35, 65.00, and 77.5, respectively [31].…”

Section: Xrdsupporting

confidence: 78%

Green synthesis, characterization, antimicrobial activity, and in vitro antiproliferative effect of Ru/Ag/Pd nanocomposite

Hussein¹,

Mahmoud²,

Elgebaly³

et al. 2022

Preprint

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Green synthesis of nanocomposite ruthenium/silver/palladium (Ru/Ag/Pd)-Np was carried out using garlic leaves extract for the reduction of equal quantities of ruthenium nitrate, silver nitrate, and palladium acetate. Some physico-chemical approaches were used to characterize the Nps, including infrared spectra (FT-IR), X-ray diffraction (XRD), thermal gravimetric analysis (TGA), and scanning electron microscope (SEM). XRD revealed that the crystal size of the nanocomposite was 15.67 nm. After removing all of the precursor's anionic portions, TGA revealed a straight line, confirming the creation of a composite metallic form. Due to metal-metal interactions and the absence of typical bands of acetate and nitrate groups, IR spectra revealed faint multiple bands in the far infrared range. The antimicrobial efficacy of the nanocomposite was examined against Aspergillus flavus, Aspergillu niger, Candida albicans, Candida glabrata, Escherichia coli, and Bacillus cereus. The results showed a potent antimicrobial activity toward all tested microorganisms. UV irradiation greatly improved the antiproliferative efficacy of the nanocomposite against HepG2, Caco2, and K562 cancer cell types. After UV exposure, (Ru/Ag/Pd)-Np also caused Caco2 cells' cell cycle arrest, apoptosis, and necrosis. In conclusion, Ru/Ag/Pd-Np exhibits potent antimicrobial activity and antiproliferative efficacy against different cancer cell lines. The antiproliferative potential of Ru/Ag/Pd-Np was significantly improved following UV irradiation.

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Section: Xrdsupporting

confidence: 78%

Green synthesis, characterization, antimicrobial activity, and in vitro antiproliferative effect of Ru/Ag/Pd nanocomposite

Hussein¹,

Mahmoud²,

Elgebaly³

et al. 2022

Preprint

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“…e new bands at 1610 and 1475 cm −1 are often associated with the stretching and bending vibrations of the carboxylate anion (-COO), respectively, which is most likely caused by the oxidation of -C-OH in phytochemicals during the reduction of metal ions [36]. 220), respectively, and are consistent with a conventional Pd-NP phase pattern (JCPDS: 87-0641) [37,38]. Ag-NP had typical peaks corresponding to the (111), (200), (220), and (311) planes at 2θ values of 38.45, 44.85, 67.55, and 77.5, respectively (JCPDS: 04-0783) [39].…”

Section: Ir Spectrasupporting

confidence: 52%

Green Synthesis of Trimetallic Nanocomposite (Ru/Ag/Pd)-Np and Its In Vitro Antimicrobial and Anticancer Activities

Hussein

Mahmoud

Elgebaly

et al. 2022

Journal of Chemistry

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In this study, we used the aqueous extract of garlic tunicate leaf to reduce a mixture of equal amounts of ruthenium chloride, silver nitrate, and palladium acetate for the biosynthesis of ruthenium/silver/palladium trimetallic nanocomposite (Ru/Ag/Pd)-Np. Some physicochemical tools were used for nanocomposite characterization, including Fourier-transform infrared spectroscopy (FT-IR), X-ray di raction (XRD), thermal gravimetric analysis (TGA), UV-Vis spectroscopy (UV-Vis), scanning electron microscope (SEM), and transmittance electron microscope (TEM). XRD revealed that the crystal size of the nanocomposite is 15.67 nm. e TEM images showed that the particle size ranged 50-90 nm. e antimicrobial e cacy of the nanocomposite was examined against Aspergillus avus, Aspergillus niger, Candida albicans, Candida glabrata, Escherichia coli, and Bacillus cereus.e results showed a potent antimicrobial activity toward all tested microorganisms. (Ru/Ag/Pd)-Np showed antiproliferative activity against Caco-2, HepG2, and K562 cell lines. e antiproliferative potential of (Ru/Ag/Pd)-Np was signi cantly improved following UV irradiation.

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“…Vitamin D is necessary for calcium absorption; hence bioavailability is influenced by vitamin D status and dietary consumption. The effectiveness of absorption is dose-dependent and related to physiological calcium requirements [26]. On the other hand, lactose promotes the absorption of calcium.…”

Section: Theory Of Calcium Absorptionmentioning

confidence: 99%

“…The voltage-dependent L-type calcium channel subunit alpha-1D also referred to as voltage-gated calcium channel subunit alpha Cav1.3 may also aid in the absorption of calcium from the intestine. However, the gene for this protein is not controlled by vitamin D, and animals lacking Cav1.3 do not exhibit significant changes in either calcium or bone metabolism [25][26][27][28][29][30][31].…”

Section: Figure 2 Figure Showing Homeostasis Of Calcium Absorptionmentioning

confidence: 99%

Egg Shell: An Essential Waste Product to Improve Dietary Calcium Uptake

Tiwari¹,

Rathour²,

Tyagi³

et al. 2022

Pharmacophore

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Eggshell recycling for fabrication of Pd@CaO, characterization and high-performance solar photocatalytic activity

Cited by 30 publications

References 37 publications

Green synthesis, characterization, antimicrobial activity, and in vitro antiproliferative effect of Ru/Ag/Pd nanocomposite

Green synthesis, characterization, antimicrobial activity, and in vitro antiproliferative effect of Ru/Ag/Pd nanocomposite

Green Synthesis of Trimetallic Nanocomposite (Ru/Ag/Pd)-Np and Its In Vitro Antimicrobial and Anticancer Activities

Egg Shell: An Essential Waste Product to Improve Dietary Calcium Uptake

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