The removal of zinc ions from their aqueous solutions by Cr2O3 nanoparticles synthesized via the UV-irradiation method

Mohammed, Mahdi A.; Rheima, Ahmed Mahdi; Jaber, Saly; Hameed, Shahad Abbas

doi:10.21608/ejchem.2019.17003.2042

Cited by 38 publications

(23 citation statements)

References 42 publications

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“…The results show that the Freundlich model, obtain better fits to the experimental equilibrium data than the Langmuir model [9].…”

Section: Fig 8 Frandlich Adsorption Isotherm For the Dcpip On Nanosumentioning

confidence: 89%

“…There are many unique properties of hybrid nanoparticles including high ability of ionic exchange [1][2][3] large surface area [4], efficiency and effectiveness to adsorb big particles [5,6], high absorption, and without toxicity [7][8][9]. In this study, the nano surface of MgO was used to adsorb dye 2,6dichloro phenol indophenol sodium salt dehydrate (DCPIP) from aqueous solutions the nano surface of MgO is an important inorganic material with a wide band-gap [10].…”

Section: Introductionmentioning

confidence: 99%

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Adsorption of 2, 6-dichlorophenol-indopheno Sodium dehydrate salt from aqueous solutions using Nano magnesium oxide; A thermodynamic study

2020

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The objectives of this study is to adsorb 2, 6-dichloro phenol indophenol sodium salt using nano magnesium oxide as a nano surface. The adsorption of dyes by using the nanoparticles is a modern and effective way to remove contaminants from their solutions. The UV spectrophotometer was used to follow the dye concentrations in the water solution after mixing them with 0.1 g of MgO and different concentrations of the dye solution were used to obtain the isotherm adsorption. The application of the Langmuir and Freundlich isotherms adsorption was investigated. The isotherm estimate shows that the Freundlich model obtain better fits to the experimental equilibrium data than the Langmuir model. The effect of temperature was investigated, the best temperature was 298 K. The adsorption decreases by increasing the temperature. The values of ΔG revealed that the process of adsorption was spontaneous within the experimental conditions. The effect of the acidic function was also studied. The adsorption value changed with the changing acidic function. The results showed that nano magnesium oxide can adsorb 2, 6dichloro phenol indophenol sodium salt efficiently.

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“…The results show that the Freundlich model, obtain better fits to the experimental equilibrium data than the Langmuir model [9].…”

Section: Fig 8 Frandlich Adsorption Isotherm For the Dcpip On Nanosumentioning

confidence: 89%

Section: Introductionmentioning

confidence: 99%

Adsorption of 2, 6-dichlorophenol-indopheno Sodium dehydrate salt from aqueous solutions using Nano magnesium oxide; A thermodynamic study

2020

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“…TMCs drugs (TMCD) have become increasingly important in inorganic and medicinal chemistry and have attracted a great deal of attention over the past decade in drug development strategies [4,5]. The studies have also shown that the nanomaterials and nanocomplexes have distinctive physical, chemical and biological applications [6][7][8][9][10][11][12][13][14][15][16][17]. Theophylline, 1,3-dimethylxanthine, with significant biological characteristics, is a purine alkaloid.…”

Section: Introductionmentioning

confidence: 99%

Nanoscale Synthesis of Metal(II) Theophylline Complexes and Assessment of Their Biological Activity

Ismail¹,

Al-Bairmani²,

Abbas³

et al. 2020

Nano BioMed ENG

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Three nanocomplexes of Cu(II), Co(II), and Ni(II) with theophylline were synthesized by ultrasonic sonication method. This method was used to produce smaller and narrow-distributed nanoparticles without any aggregations. Melting point, molar conductivity, solubility, flame atomic absorption, Fourier-transform infrared spectroscopy (FTIR) and elemental analysis (C, H, N, and S) were used to identify and to suggest the structure of the synthesized nanocomplexes. The transmission electron microscopy (TEM) results exhibited that the size of nanocomplexes was in the range of 15-25 nm. The efficacy of the synthesized nanocomplexes was examined against four types of bacterial strains, Staphylococcus aureus, Bacillus subtilis (gram-positive bacteria), and Klebsiella pneumoniae, Escherichia Coli (gram-negative bacteria). The results showed that all nanocomplexes had very high susceptibility to inhibit bacterial growth, as they resulted in an inhibition zone between 98% and 100%. The copper nanocomplex gave the highest inhibition zone by 100% for each type of bacterial strains, due to the surface plasmon. Therefore, a further test for the copper nanocomplex Cu(THP) 2 (H 2 O) 2 (Cl) 2 was carried out on skin injuries of laboratory mice after it was converted into cream with vaseline and was found to have a very potent influence in healing skin injuries.

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“…Transition metal complexes drug (TMCD) have become increasingly important in inorganic and medicinal chemistry and have attracted a great deal of attention over the past decade in drug development strategies [6]. Nanotechnology plays an important role in inorganic chemistry through the formation of nano complexes and nano oxides, which are included in many biological and industrial applications [7][8][9][10][11][12][13][14][15][16][17][18]. Theophylline (Scheme 1) transition metal complexes can be used to analyze the relationship as template compounds between metal ions and nucleic acid oxo purine bases [19].…”

Section: Introductionmentioning

confidence: 99%

Synthesis, Characterization, Spectroscopic and Biological Studies of Zn(II), Mn(II) and Fe(II) Theophylline Complexes in Nanoscale

Ismail¹,

Al-Bairmani²,

Abbas³

et al. 2020

Nano BioMed ENG

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The removal of zinc ions from their aqueous solutions by Cr2O3 nanoparticles synthesized via the UV-irradiation method

Cited by 38 publications

References 42 publications

Adsorption of 2, 6-dichlorophenol-indopheno Sodium dehydrate salt from aqueous solutions using Nano magnesium oxide; A thermodynamic study

Adsorption of 2, 6-dichlorophenol-indopheno Sodium dehydrate salt from aqueous solutions using Nano magnesium oxide; A thermodynamic study

Nanoscale Synthesis of Metal(II) Theophylline Complexes and Assessment of Their Biological Activity

Synthesis, Characterization, Spectroscopic and Biological Studies of Zn(II), Mn(II) and Fe(II) Theophylline Complexes in Nanoscale

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