Physicochemical, Photocatalytic, Antibacterial, and Antioxidant Screening of Bergenia Ciliata Mediated Nickel Oxide Nanoparticles

This study was planned to synthesize a multifunctional nanomaterial that can effectively encounter the organic pollutants, multidrug-resistant bacteria and reactive free radicals. The Bergenia ciliate (B. ciliate) leaves extract was used as a reducing and capping agent for the synthesis of nickel oxide nanoparticles (NiO NP). The physicochemical properties were studied through X-ray diffractometre (XRD), energy dispersive X-ray (EDX), scanning electron microscopy (SEM), transmission electron microscopy (TEM), UV-visible and Fourier transform infrared (FTIR) spectroscopies. The highly crystalline monoclinic NiO NPs were synthesized with crystallite size of 27.45 nm. The average particle size derived from TEM micrograph was 49.35 nm whereas the calculated band gap for NiO NPs was 3.78 eV. The photocatalytic study shows that 92.17% of the rhodamine 6G (Rh-6G) was efficiently degraded in the presence of NiO NPs. The agar well diffusion method was applied to examine the antibacterial activity of NiO NPs and the activity was found higher against Gram-negative bacteria (GNB) as compared to Gram-positive bacteria (GPB). The ABTS free radical scavenging activity was also performed, however, the activity was found less than the standard.

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Influence of Various Concentrations of Cetyltrimethylammonium Bromide on the Properties of Nickel Oxide Nanoparticles for Supercapacitor Application

NANO ◽

10.1142/s1793292021501381 ◽

2021 ◽

Author(s):

M. Ramesh Aravind ◽

C. Kalaiselvi ◽

B. Revathi ◽

A. Nirmala Grace ◽

Sudhagar Pitchaimuthu ◽

...

Keyword(s):

Electron Microscopy ◽

Nickel Oxide ◽

Active Sites ◽

Cetyltrimethylammonium Bromide ◽

Oxide Nanoparticles ◽

Average Particle ◽

Nickel Oxide Nanoparticles ◽

Crystallite Sizes ◽

Nio Nps ◽

The Impact

In this paper, the impact of the crystallite sizes of nickel oxide nanoparticles (NiO NPs) on their efficiency for electrochemical capacitors (EC) has been investigated. NiO NPs were prepared without and with low and high concentrations (0.02[Formula: see text]M and 0.1[Formula: see text]M) of cetyltrimethylammonium bromide (CTAB) using the hydrothermal process that represent NiO, NiO-1, NiO-2, respectively. The crystallite size of NiO, NiO-1, NiO-2 NPs was characterized by X-ray diffraction (XRD), scanning electron microscopy (SEM) and high-resolution transmission electron microscopy (HRTEM) analysis. The thermogravimetry/differential thermal analysis (TG/DTA) was used to investigate the thermal observation of as-prepared precursor to transform as NiO NPs. HRTEM revealed spherical seed-like morphologies, which consist of aggregated NiO-1 NPs with an average particle size of 9[Formula: see text]nm. The NiO-1 shows the large specific capacitance value of 168[Formula: see text]Fg[Formula: see text] at a current density of 0.5[Formula: see text]Ag[Formula: see text] compared with other NiO and NiO-2 NPs. The study suggests that the low concentration of surfactant CTAB of NiO NPs plays an important role in supercapacitor applications because of the smaller crystallite sizes of the materials as well as a large number of active sites for faradic reaction.

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Spectroscopic, Structural, and Morphology of Nickel Oxide Nanoparticles Prepared Using Physalis angulata Leaf Extract

Materials Science Forum ◽

10.4028/www.scientific.net/msf.917.167 ◽

2018 ◽

Vol 917 ◽

pp. 167-171 ◽

Cited By ~ 9

Author(s):

Najmawati Sulaiman ◽

Yoki Yulizar

Keyword(s):

Electron Microscopy ◽

Particle Size ◽

Nickel Oxide ◽

Band Gap ◽

Leaf Extract ◽

Optical Band Gap ◽

Oxide Nanoparticles ◽

Nickel Oxide Nanoparticles ◽

Microscopic Studies ◽

Nio Nps

Green synthesis of nickel oxide nanoparticles (NiO NPs) usingPhysalisangulataleaf extract (PALE) as weak base sources and stabilizing agents has been reported. Chemical bonding and vibration spectroscopy, crystallographic structure, optical band gap, particle size and microscopic studies of NiO NPs were also investigated. Ni-O vibration modes of NiO NPs were analyzed by FTIR and Raman instrument at ~400 and ~900 cm-1wavenumber. XRD pattern of NiO NPs confirmed cubic crystal structure with space groupFm-3m.Optical band gap of NiO NPs determined by using Tauc plot method was about 3.42 eV. Particle size analyzer showed size distribution of NiO NPs was 64.13 nm which confirm NiO formed in nanoscale. Electron microscopic studies of NiO NPs were observed by using scanning electron microscopy and transmission electron microscopy.

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Effect of Engineered Nickel Oxide Nanoparticles on Antioxidant Enzymes in Freshwater Fish, Labeo rohita

Pakistan Veterinary Journal ◽

10.29261/pakvetj/2021.044 ◽

2021 ◽

Vol 41 (03) ◽

pp. 424-428

Author(s):

Sana Aziz

Keyword(s):

Superoxide Dismutase ◽

Nickel Oxide ◽

Labeo Rohita ◽

Aquatic Organisms ◽

Lethal Concentration ◽

Oxide Nanoparticles ◽

Human Beings ◽

Nickel Oxide Nanoparticles ◽

X Ray ◽

Nio Nps

Nickel oxide nanoparticles (NiO-NPs) are abundantly utilized on a large scale in different applications due to positive attributes and cause environmental pollution that may affect not only aquatic organisms but also the human beings. The co-precipitation method was used to synthesize NiO-NPs and particles were characterized through Fourier-transform infrared (FTIR) analysis, Scanning electron microscope (SEM) and X-ray diffraction (XRD). FTIR and SEM confirmed the attached functional group and crystal structure of synthesized nanoparticles, respectively. From XRD pattern, average particle size, X-ray density, lattice parameters (a, b and c) and volume of unit cell of nickel oxide nanoparticles were found to be 53.44 nm, 6.65 g/cm3, (a =b=c=4.56 Å) and 94.81 Å3, respectively. During this study, the acute toxicity of NiO-NPs was determined by using fish, Labeo rohita. The mean 96-h LC50 and lethal concentration were measured as 418.26 and 634.94 mg/L, respectively. The activity of catalase and superoxide dismutase was determined in fish gills and liver after chronic exposure to sub-lethal concentration of NiO-NPs for 90 days and sampling was done in 15, 30, 45, 60, 75 and 90 days. Significant time dependent variations in the activity of catalase and superoxide dismutase were determined in tissues of the gills and liver than control group during studied time interval. The overall results indicated that induced toxicity of NiO-NPs in aquatic organisms may be due to release of Ni ions from NiO-NPs and NPs induce toxicity in cells through oxidative stress under long term exposure.

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Suaeda maritima (L.) Dumort GREEN SYNTHESIS- REDUCED NICKEL OXIDE NANOPARTICLES FOR ANTIOXIDANT AND BACTERICIDAL ACTIVITY

Journal of Experimental Biology and Agricultural Sciences ◽

10.18006/2021.9(6).823.830 ◽

2021 ◽

Vol 9 (6) ◽

pp. 823-830

Author(s):

T. Krishnasree ◽

Pavani Peddi

Keyword(s):

Antioxidant Activity ◽

Nickel Oxide ◽

Leaf Extract ◽

Diffusion Method ◽

Oxide Nanoparticles ◽

Nickel Oxide Nanoparticles ◽

X Ray ◽

Suaeda Maritima ◽

Ft Ir ◽

Uv Visible

A unique way, green, cost-effective, and direct fabrication method is proposed for the synthesis of Nickel Oxide Nanoparticles (NPs) in an eco-environmentally way through leaf extract of Suaeda maritima (L.) Dumort. The nickel oxide nanoparticles were synthesized using Nickel (II) nitrate hexahydrate as a metal source and aqueous leaf extract of S. maritima was utilized as a green reducing agent. The formation of NPs was monitored by the change in color in the reaction mixture and the synthesized NPs were characterized using UV-visible spectrophotometer, Fourier Transform infrared (FT-IR) spectroscopy, field emission scanning electron microscope (FE SEM), X-ray diffractometer (XRD), and energy-dispersive X-ray spectroscopy (EDX). Further, the antibacterial activity of synthesized NPs was carried using the agar plate well diffusion method and antioxidant activity by DPPH free radical scavenging activity of the NPs was studied. The UV-visible absorption spectra of nanoparticles show a characteristic maximum absorption peak centered at 397 nm. The functional group analysis by FT-IR confirms the presence of various bio-active functional groups in the synthesized particles. The structural characterization confirms that the particles were Face Centred Cubic lattice structure having IR-regular in shape and rough surface with average atomic weight percentages of 76.3%. The synthesized nanoparticles were found to be potent against the growth of gram-positive (Bacillus subtilis, Staphylococcus aureus) and gram-negative (Escherichia coli, Pseudomonas aeruginosa) bacteria. In the DPPH assay, the IC 50 values of the synthesized NPs were found to be 28.01 μg/mL which is very close to standard ascorbic acid (22.19 μg/mL) whereas the IC 50 of the aqueous plant leaf extract was found to be 47.30 μg/m confirms that the nanoparticles having enhanced antioxidant activity. From the results of the study it can be concluded that this protocol is simple, rapid, one step, eco-friendly, non-toxic for the synthesis of nickel nanoparticles.

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Phytogenic Synthesis of Nickel Oxide Nanoparticles (NiO) Using Fresh Leaves Extract of Rhamnus triquetra (Wall.) and Investigation of Its Multiple In Vitro Biological Potentials

Biomedicines ◽

10.3390/biomedicines8050117 ◽

2020 ◽

Vol 8 (5) ◽

pp. 117 ◽

Cited By ~ 5

Author(s):

Javed Iqbal ◽

Banzeer Ahsan Abbasi ◽

Riaz Ahmad ◽

Mahboobeh Mahmoodi ◽

Akhtar Munir ◽

...

Keyword(s):

Electron Microscopy ◽

Nickel Oxide ◽

Biological Activities ◽

Radical Scavenging ◽

New Drugs ◽

In Vivo Studies ◽

Oxide Nanoparticles ◽

Nickel Oxide Nanoparticles ◽

X Ray

Chemically nickel oxide nanoparticles (NiONPs) involve the synthesis of toxic products, which restrict their biological applications. Hence, we developed a simple, eco-friendly, and cost-efficient green chemistry method for the fabrication of NiONPs using fresh leaf broth of Rhamnus triquetra (RT). The RT leaves broth was used as a strong reducing, capping, and stabilizing agent in the formation of RT-NiONPs. The color change in solution from brown to greenish black suggests the fabrication of RT-NiONPs which was further confirmed by absorption band at 333 nm. The synthesis and different physicochemical properties of RT-NiONPs were investigated using different analytical techniques such as UV-Vis (ultraviolet−visible spectroscopy), XRD (X-ray powder diffraction), FT-IR (Fourier-transform infrared spectroscopy), SEM (scanning electron microscopy), TEM (transmission electron microscopy), EDS (energy-dispersive X-ray spectroscopy), DLS (dynamic light scattering) and Raman. Further, RT-NiONPs were subjected to different in vitro biological activities and revealed distinctive biosafe and biocompatibility potentials using erythrocytes and macrophages. RT-NiONPs exhibited potential anticancer activity against liver cancer cell lines HUH7 (IC50: 11.3 µg/mL) and HepG2 (IC50: 20.73 µg/mL). Cytotoxicity potential was confirmed using Leishmanial parasites promastigotes (IC50: 27.32 µg/mL) and amastigotes (IC50: 37.4 µg/mL). RT-NiONPs are capable of rendering significant antimicrobial efficacy using various bacterial and fungal strains. NiONPs determined potent radical scavenging and moderate enzyme inhibition potencies. Overall, this study suggested that RT-NiONPs can be an attractive and eco-friendly candidate. In conclusion, current study showed potential in vitro biological activities and further necessitate different in vivo studies in various animal models to develop leads for new drugs to treat several chronic diseases.

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Antimycobacterial, Antioxidant and Cytotoxicity Activities of Mesoporous Nickel Oxide Nanoparticles for Healthcare

Coatings ◽

10.3390/coatings10121242 ◽

2020 ◽

Vol 10 (12) ◽

pp. 1242

Author(s):

Jivan R. Kote ◽

Ambadas S. Kadam ◽

Mohd Ubaidullah ◽

Abdullah M. Al-Enizi ◽

Mohammed A. Al-Abdrabalnabi ◽

...

Keyword(s):

Electron Microscopy ◽

Nickel Oxide ◽

Longitudinal Optical ◽

Oxide Nanoparticles ◽

Potential Candidate ◽

Nickel Oxide Nanoparticles ◽

Silar Method ◽

Hemolysis Assay ◽

Nio Nps

Nanobiotechnology has offered great attention in drug delivery and the development of various medicines used to treat microorganism infections. The present investigation deals with antimycobacterial activity, in-vitro hemolysis assay, and antioxidant activity of nickel oxide nanoparticles (NiO NPs). NiO NPs, with controlled size and shape, prepared by a simple and inexpensive successive ionic layer adsorption and reaction (SILAR) method was scanned using field emission scanning electron microscopy (FE-SEM) and high-resolution transmission electron microscopy (HR-TEM) digital images for surface morphology confirmation. Spherical irregular island-type NPs of about 24 nm diameter are obtained. The X-ray diffraction pattern demonstrates the synthesis of polycrystalline and cubic in phase NiO NPs. The Raman spectrum has revealed the presence of two vibration bands cantered at 550 and 1095 cm−1 for one photon longitudinal optical, and two longitudinal optical modes, respectively. The as-prepared NiO NPs endow 10 µg/mL against Mycobacterium tuberculosis (M. tuberculosis, MTCC-300) and 10 µg/mL against Mycobacterium phlei (M. phlei, MTCC-1723) inhibitory concentrations. The hemolytic activity of NiO NPs has also been explored. The antioxidant result demonstrates 63.44% for NiO NPs over 88.23% for standard, i.e., di(phenyl)-(2, 4, 6-trinitrophenyl) viminoazaniun antioxidant. Taken together, NiO NPs act as a potential candidate against mycobacteria.

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Structural, Conductivity, and Dielectric Properties of Nickel Oxide and Copper (Cu) or Chromium (Cr) Doped Nickel Oxide Nanoparticles

10.21203/rs.3.rs-415150/v1 ◽

2021 ◽

Author(s):

Ali Bashal ◽

Tarob A Abdel Baset ◽

Mostafa Abboudi ◽

Hamza Qasem ◽

Fahd Al-Wadaani

Keyword(s):

Electron Microscopy ◽

Dielectric Properties ◽

Nickel Oxide ◽

Spherical Particles ◽

Relative Pressure ◽

X Ray Diffraction ◽

Nickel Oxide Nanoparticles ◽

X Ray ◽

Nio Nps ◽

Adsorption Desorption

Abstract In this study, NiO NPs and doped NiO NPs were prepared in a two-step process and they were analyzed by scanning electron microscopy, transmission electron microscopy, X-ray diffraction, and nitrogen adsorption desorption. X-ray diffraction outcome clarified that all the patterns present the similar peaks that are attributed to the cubic variety of the NiO and all doping metals could be inserted into the NiO structure. TEM result showed that the NiO NPs are assembled side by side and aligned along the same direction to form small array shaped nano-agglomerates of 500 nm in length and 50–70 nm in diameter. Adsorption-desorption isotherms for N2 showed that NiO NPs represents type IV isotherms containing a hysteresis loop at relative pressure between 0.5 and 1.0. Hysteresis loop’s shape was of H2 type which is characteristic of inckbottle shaped pores. It was also in the shape of solids composed by small spherical particles. The dielectric properties and electrical conductivity for these samples were also studied within the temperature range 25oC – 110oC and within the frequency range 100 Hz to 0.3 MHz.

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Phytotoxicological Effects of Bulk-NiO and NiO Nanoparticles on Lesser and Giant Duckweeds as Model Macrophytes: Changes in the Plants Physiological Responses

Iranian Jornal of Toxicology ◽

10.32598/ijt.12.4.501.2 ◽

2018 ◽

Vol 12 (4) ◽

pp. 31-39

Author(s):

Samaneh Torbati ◽

Keyword(s):

Electron Microscopy ◽

Antioxidant Enzymes ◽

Nickel Oxide ◽

Plant Species ◽

Photosynthetic Pigments ◽

Lemna Minor ◽

Oxide Nanoparticles ◽

Nickel Oxide Nanoparticles ◽

Toxicological Effects ◽

Nio Nps

Background: Although the production and usage of nanoparticles and their entrance to the ecosystem have increased in last decades, information about their negative impacts on organisms is scarce. We concentrated on the comparison of the toxicological effects of different concentrations of bulk-nickel oxide and nickel oxide nanoparticles (NiO-NPs) on lesser (Lemna minor L.) and giant (Spirodela polyrhiza (L.) Schleid.) duckweeds as two model macrophytes. Methods: The morphology of nickel oxide nanoparticles was studied by scanning electron microscopy (SEM) and transition electron microscopy (TEM). The plant's growth, photosynthetic pigments content, the contents of total phenols, flavonoids and MDA, and the activities of some antioxidant enzymes were investigated as indices to assess the toxicological effects of the NPs on two plant species. Results: The content of photosynthetic pigments in both of the plant species was significantly reduced by high concentration of NiO-NP. Increasing the concentration of the contaminants in the plant species was led to the remarkable enhancement of total phenol and flavonoid and MDA contents. Moreover, increasing the activity of the plant's antioxidant enzymes could reflect high reactive oxygen species (ROS) production after the plant's treatments with the contaminants. Conclusion: The negative effects of the NiO-NPs, especially in high concentrations, on L. minor and S. polyrhiza were more than those of Bulk-NiO.

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TOXIC EFFECTS ASSESSMENT OF NICKEL OXIDE NANOPARTICLES BY INHALATION

ЗДОРОВЬЕ НАСЕЛЕНИЯ И СРЕДА ОБИТАНИЯ - ЗНиСО / PUBLIC HEALTH AND LIFE ENVIRONMENT ◽

10.35627/2219-5238/2018-309-12-24-30 ◽

2018 ◽

pp. 24-29 ◽

Cited By ~ 2

Author(s):

B.A. Katsnelson ◽

M.P. Sutunkova ◽

L.I. Privalova ◽

S.N. Solovjeva ◽

V.B. Gurvich ◽

...

Keyword(s):

Nickel Oxide ◽

Redox Balance ◽

Systemic Toxicity ◽

Laboratory Animals ◽

Oxide Nanoparticles ◽

Nickel Oxide Nanoparticles ◽

White Rats ◽

Liver And Kidney ◽

Stimulation Of Erythropoiesis ◽

Nio Nps

The article presents in an experiment obtained principal results based on repeated low-level inhalation exposures of laboratory animals (white rats, outbred) to nickel oxide nanoparticles with a diameter of (23 ± 5) nm, 4 hours a day, 5 times a week for up to 10 months in a «nose only» installation. It was shown that non-specific body reactions to the action of NiO NPs include: diverse manifestations of systemic toxicity with a particularly pronounced influence on liver and kidney function, redox balance, damage to some areas of brain tissue, associated with proven movement of the nanoparticles themselves from the nasal mucosa along the olfactory tract; some cytological signs of probable development for allergic syndrome; paradoxically low severity of pulmonary pathology by pneumoconiotic type explained by a small chronic delay of nanoparticles in the lungs; the genotoxic effect of the organismal level, even at those low levels of chronic exposure, at which systemic toxicity is rather poorly. Along with that, NiO NPs also induce phase-stimulation of erythropoiesis, which is relatively specific for the toxic nickel effects.

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Phytosynthetic Fabrication of Lanthanum Ion-Doped Nickel Oxide Nanoparticles Using Sesbania grandiflora Leaf Extract and Their Anti-Microbial Properties

Crystals ◽

10.3390/cryst11020124 ◽

2021 ◽

Vol 11 (2) ◽

pp. 124

Author(s):

Srihasam Saiganesh ◽

Thyagarajan Krishnan ◽

Golla Narasimha ◽

Hesham S. Almoallim ◽

Sulaiman Ali Alhari ◽

...

Keyword(s):

Electron Microscopy ◽

Optical Properties ◽

Rare Earth ◽

Nickel Oxide ◽

Photoelectron Spectroscopy ◽

Metal Oxide Nanoparticles ◽

Oxide Nanoparticles ◽

Nio Nanoparticles ◽

X Ray ◽

Sesbania Grandiflora

Over the past few years, the photogenic fabrication of metal oxide nanoparticles has attracted considerable attention, owing to the simple, eco-friendly, and non-toxic procedure. Herein, we fabricated NiO nanoparticles and altered their optical properties by doping with a rare earth element (lanthanum) using Sesbania grandiflora broth for antibacterial applications. The doping of lanthanum with NiO was systematically studied. The optical properties of the prepared nanomaterials were investigated through UV-Vis diffuse reflectance spectra (UV-DRS) analysis, and their structures were studied using X-ray diffraction analysis. The morphological features of the prepared nanomaterials were examined by scanning electron microscopy and transmission electron microscopy, their elemental structure was analyzed by energy-dispersive X-ray spectral analysis, and their oxidation states were analyzed by X-ray photoelectron spectroscopy. Furthermore, the antibacterial action of NiO and La-doped NiO nanoparticles was studied by the zone of inhibition method for Gram-negative and Gram-positive bacterial strains such as Escherichia coli and Bacillus sublitis. It was evident from the obtained results that the optimized compound NiOLa-04 performed better than the other prepared compounds. To the best of our knowledge, this is the first report on the phytosynthetic fabrication of rare-earth ion Lanthanum (La3+)-doped Nickel Oxide (NiO) nanoparticles and their anti-microbial studies.

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