Hydrogen gas production during the synthesis of the iron nanoparticles by using Pinus brutia, an accumulator plant

Uzunoğlu, Deniz; Özer, Ayla

doi:10.1016/j.ijhydene.2020.03.217

Cited by 4 publications

(6 citation statements)

References 94 publications

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“…From Figure , it was observed that the particles with the sizes of 100–200 nm were obtained in the DLS analysis as a result of the agglomeration of the small particles. On the other hand, the structures larger than 200 nm are estimated to be the particles containing Ca, Na, Mg, and Cl elements originating from the hyperaccumulator plant used in the synthesis of FeNPs, which were also detected in the EDX analysis in our previous work …”

Section: Resultsmentioning

confidence: 82%

“…The characterization results of XRD, EDX, and SEM of the synthesized FeNPs were presented in our previous work . The XRD analysis results showed that FeNPs contained the crystal phases of Fe 3 O 4 , FeOOH, γ-FeOOH, and Fe 0 .…”

Section: Resultsmentioning

confidence: 92%

“…The characterization results of XRD, EDX, and SEM of the synthesized FeNPs were presented in our previous work. 28 The XRD analysis results showed that FeNPs contained the crystal phases of Fe 3 O 4 , FeOOH, γ-FeOOH, and Fe 0 . The average particle size of FeNPs was obtained as 82.19 nm, and also the nearly spherical structures were observed in SEM images.…”

Section: Resultsmentioning

confidence: 96%

“…brutia instead of the synthetic iron salt solution under the required experimental conditions. The details of the synthesis method and the results of some characterization studies were presented in our previous work . In this study, additional characterization studies using a Zeta-sizer via the dynamic light scattering technique (DLS), Fourier transform infrared (FTIR) spectra, and a vibrating sample magnetometer (VSM) were used to define the synthesized FeNPs.…”

Section: Methodsmentioning

confidence: 99%

“…On the other hand, the structures larger than 200 nm are estimated to be the particles containing Ca, Na, Mg, and Cl elements originating from the hyperaccumulator plant used in the synthesis of FeNPs, which were also detected in the EDX analysis in our previous work. 28 The functional groups of the synthesized FeNPs were determined by FTIR analysis, and the obtained FTIR spectrum is presented in Figure 2. It was obtained from Figure 2 that FeNPs had peaks at 557, 696, 993, 1338, 1606, and 3361 cm −1 .…”

Section: Characterization Of Fenpsmentioning

confidence: 99%

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Facile Synthesis of Magnetic Iron-Based Nanoparticles from the Leach Solution of Hyperaccumulator Plant Pinus brutia for the Antibacterial Activity and Colorimetric Detection of Ascorbic Acid

Uzunoğlu

Özer

2022

ACS Appl. Bio Mater.

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It has been well known that metallic nanoparticles with striking properties possess wide application prospects in the processes of colorimetric detection, catalysis, disease diagnosis and treatment, energy, wastewater treatment, remediation, and antibacterial activity in recent years. Herein, iron-based nanoparticles (FeNPs), metallic nanoparticles, were synthesized via a facile chemical reduction method using a hyperaccumulator plant. Also, their use in antibacterial activity applications and colorimetric ascorbic acid (AA) detection was investigated. It was observed that FeNPs presented high antibacterial potency against Gram-positive bacteria of Listeria monocytogenes and Staphylococcus aureus and also Gram-negative bacteria of Escherichia coli (O157: H7), E. coli (ATCC 25922), Salmonella enteritidis, and Salmonella typhimurium. Moreover, it was found that FeNPs exhibited superior peroxidase-like activity to catalyze the oxidation of 3,3′,5,5′-tetramethylbenzidine (TMB) to produce a blue color product, oxidized TMB (oxTMB), in the presence of H2O2. The colorimetric AA detection could be carried out by making the solution color lighter owing to the antioxidant property of AA. The quantitative detection of AA could be performed simply, selectively, and sensitively with FeNPs with a detection limit (LOD) of 0.5462 μM in a linear range of 30–200 μM.

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Section: Resultsmentioning

confidence: 82%

Section: Resultsmentioning

confidence: 92%

Section: Resultsmentioning

confidence: 96%

Section: Methodsmentioning

confidence: 99%

Section: Characterization Of Fenpsmentioning

confidence: 99%

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Facile Synthesis of Magnetic Iron-Based Nanoparticles from the Leach Solution of Hyperaccumulator Plant Pinus brutia for the Antibacterial Activity and Colorimetric Detection of Ascorbic Acid

Uzunoğlu

Özer

2022

ACS Appl. Bio Mater.

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Hydrogen generation from sodium borohydride hydrolysis using a heterogeneous biocatalyst prepared with Zabrus tenebrionides Goeze 1777 (Coleoptera: Carabidae) chitin

Hoşgün,

Fidan,

Hoşgün

et al. 2024

Polym. Bull.

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Co–B/Chi, which is made up of highly distributed Co–B particles, was synthesized by impregnation and chemical reduction methods. Scanning electron microscopy, energy-dispersive spectroscopy, X-ray diffraction, Brunauer–Emmett–Teller adsorption and Fourier transform infrared spectroscopy analyses were used to describe the morphology and microstructure of Co–B/Chi. The synthesized catalyst showed high catalytic activity in the hydrolysis reaction of NaBH4. The unsupported Co–B samples were compared with the chitin-supported Co–B catalyst, and the result showed that higher catalytic activity and good cycling stability for NaBH4 hydrolysis were obtained with the chitin-supported catalyst. The reaction conditions were investigated to achieve high hydrogen production. The maximum rate of hydrogen production was obtained at 40 °C and 20 mg catalyst amount. At ideal conditions, the hydrolysis reaction’s activation energy was determined to be 51.65 kJ mol−1. It is indicate that Co–B/Chi is a viable low-cost catalyst for the hydrolysis of NaBH4 for hydrogen production.

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Innovative hydrogen release from sodium borohydride hydrolysis using biocatalyst-like Fe2O3 nanoparticles impregnated on Bacillus simplex bacteria

Duman

Kaya

Caf

et al. 2021

International Journal of Hydrogen Energy

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Hydrogen gas production during the synthesis of the iron nanoparticles by using Pinus brutia, an accumulator plant

Cited by 4 publications

References 94 publications

Facile Synthesis of Magnetic Iron-Based Nanoparticles from the Leach Solution of Hyperaccumulator Plant Pinus brutia for the Antibacterial Activity and Colorimetric Detection of Ascorbic Acid

Facile Synthesis of Magnetic Iron-Based Nanoparticles from the Leach Solution of Hyperaccumulator Plant Pinus brutia for the Antibacterial Activity and Colorimetric Detection of Ascorbic Acid

Hydrogen generation from sodium borohydride hydrolysis using a heterogeneous biocatalyst prepared with Zabrus tenebrionides Goeze 1777 (Coleoptera: Carabidae) chitin

Innovative hydrogen release from sodium borohydride hydrolysis using biocatalyst-like Fe2O3 nanoparticles impregnated on Bacillus simplex bacteria

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