Environmental remediation applications of MxOy-gC3N4 nanocomposites (M =  Mg, Ti, and Zn): Photocatalytic activity for Indigo carmine dye degradation

Aissa, Mohamed Ali Ben; Modwi, A.; Taha, Kamal K.; Elamin, Nuha Y.; AbuMousa, Rasha A.; Bououdina, M.

doi:10.1016/j.diamond.2023.109988

Cited by 21 publications

(3 citation statements)

References 75 publications

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“…Then, the absorbance of all supernatants was measured by a spectrophotometer at the wavelength of 357 nm, and the decomposition efficiency of antibiotics was obtained using a UV–visible light spectrophotometer (model Shimadzu UV 2700) as shown in Figure S1. D % = ( A 0 − A t ) / A 0 × 100 where D is the decomposition rate of fluoroquinolones, and A 0 and A t are the original concentrations of the solution and the absorbance at the interval t , respectively. Additionally, factors affecting the results included decomposing material dosage, antibiotics concentration, and initial pH …”

Section: Methodsmentioning

confidence: 99%

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Synthesis of Metal–Organic Framework-Based ZIF-8@ZIF-67 Nanocomposites for Antibiotic Decomposition and Antibacterial Activities

Sadiq,

Khan,

Humayun

et al. 2023

ACS Omega

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Toxic antibiotic effluents and antibiotic-resistant bacteria constitute a threat to global health. So, scientists are investigating high-performance materials for antibiotic decomposition and antibacterial activities. In this novel research work, we have successfully designed ZIF-8@ZIF-67 nanocomposites via sol–gel and solvothermal approaches. The ZIF-8@ZIF-67 nanocomposite is characterized by various techniques that exhibit superior surface area enhancement, charge separation, and high light absorption performance. Yet, ZIF-8 has high adsorption rates and active sites, while ZIF-67 has larger pore volume and efficient adsorption and reaction capabilities, demonstrating that the ZIF-8@ZIF-67 nanocomposite outperforms pristine ZIF-8 and ZIF-67. Compared with pristine ZIF-8 and ZIF-67, the most active 6ZIF-67@ZIF-8 nanocomposite showed higher decomposition efficacy for ciprofloxacin (65%), levofloxacin (54%), and ofloxacin (48%). Scavenger experiments confirmed that • OH, • O 2– , and h + are the most active species for the decomposition of ciprofloxacin (CIP), levofloxacin (LF), and ofloxacin (OFX), respectively. In addition, the 6ZIF-67/ZIF-8 nanocomposite suggested its potential applications in Escherichia coli for growth inhibition zone, antibacterial activity, and decreased viability. Moreover, the stability test and decomposition pathway of CIP, LF, and OFX were also proposed. Finally, our study aims to enhance the efficiency and stability of ZIF-8@ZIF-67 nanocomposite and potentially enable its applications in antibiotic decomposition, antibacterial activities, and environmental remediation.

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Section: Methodsmentioning

confidence: 99%

“…Additionally, factors affecting the results included decomposing material dosage, antibiotics concentration, and initial pH. 25 …”

Section: Methodsmentioning

confidence: 99%

Synthesis of Metal–Organic Framework-Based ZIF-8@ZIF-67 Nanocomposites for Antibiotic Decomposition and Antibacterial Activities

Sadiq,

Khan,

Humayun

et al. 2023

ACS Omega

Self Cite

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show abstract

“…Coagulation, chemical oxidation, microbiological treatment, electrochemical oxidation, photo-degradation, and adsorption are regularly used separation techniques for removing dyes from wastewater [ [22] , [23] , [24] , [25] ]. The adsorption process is widely used because of its advantageous characteristics, such as simplicity of operation, high-performance effectiveness, more recoverability, greater accessibility to adsorbates, and reduced secondary pollution and low cost [ 26 , 27 ].…”

Section: Introductionmentioning

confidence: 99%

Facile synthesis of TiO2@ZnO nanoparticles for enhanced removal of methyl orange and indigo carmine dyes: Adsorption, kinetics

Ben Aissa,

Khairy,

Khalifa

et al. 2024

Heliyon

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Improved photocatalytic oxidation of micropollutant in wastewater by solar light: assisted palladium-doped graphitic carbon nitride

Jitae,

Pham,

Heesun

et al. 2024

Environ Geochem Health

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Environmental remediation applications of MxOy-gC3N4 nanocomposites (M = Mg, Ti, and Zn): Photocatalytic activity for Indigo carmine dye degradation

Cited by 21 publications

References 75 publications

Synthesis of Metal–Organic Framework-Based ZIF-8@ZIF-67 Nanocomposites for Antibiotic Decomposition and Antibacterial Activities

Synthesis of Metal–Organic Framework-Based ZIF-8@ZIF-67 Nanocomposites for Antibiotic Decomposition and Antibacterial Activities

Facile synthesis of TiO2@ZnO nanoparticles for enhanced removal of methyl orange and indigo carmine dyes: Adsorption, kinetics

Improved photocatalytic oxidation of micropollutant in wastewater by solar light: assisted palladium-doped graphitic carbon nitride

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