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Mansour HMM, Shehata MG, Abdo EM, Sharaf MM, Hafez ESE, Galal Darwish AM. Comparative analysis of silver-nanoparticles and whey-encapsulated particles from olive leaf water extracts: Characteristics and biological activity. PLoS One 2023; 18:e0296032. [PMID: 38109310 PMCID: PMC10727426 DOI: 10.1371/journal.pone.0296032] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Accepted: 12/04/2023] [Indexed: 12/20/2023] Open
Abstract
Nanotechnology applications have been employed to improve the stability of bioactive components and drug delivery. Natural-based extracts, especially olive leaf extracts, have been associated with the green economy not only as recycled agri-waste but also in the prevention and treatment of various non-communicable diseases (NCDs). The aim of this work was to provide a comparison between the characteristics, biological activity, and gene expression of water extract of olive leaves (OLE), green synthesized OLE silver nanoparticles (OL/Ag-NPs), and OLE whey protein capsules (OL/WPNs) of the two olive varieties, Tofahy and Shemlali. The particles were characterized by dynamic light scattering, scanning electron microscope (SEM), and Fourier transform infrared. The bioactive compounds of the preparations were evaluated for their antioxidant activity and anticancer effect on HCT-116 colorectal cells as well as for their regulatory effects on cytochrome C oxidase (Cox1) and tumor necrosis factor α (TNF-α) genes. (OL/Ag-NPs) were found to be smaller than (OL/WPNs) with sizes of (37.46±1.85 and 44.86±1.62 nm) and (227.20±2.43 and 553.02±3.60 nm) for Tofahy and Shemlali, respectively. SEM showed that Shemlali (OL/Ag-NPs) had the least aggregation due to their highest Ƹ-potential (-31.76 ± 0.87 mV). The preparations were relatively nontoxic to Vero cells (IC50 = 151.94-789.25 μg/mL), while they were cytotoxic to HCT-116 colorectal cells (IC50 = 77.54-320.64 μg/mL). Shemlali and Tofahy OLE and Tofahy OL/Ag-NPs had a higher selectivity index (2.97-7.08 μg/mL) than doxorubicin (2.36 μg/mL), indicating promising anticancer activity. Moreover, Shemlali preparations regulated the expression of Cox1 (up-regulation) and TNF-α (down-regulation) on HCT-116 cells, revealing their efficiency in suppressing the expression of genes that promote cancer cell proliferation. (OL/Ag-NPs) from Tofahy and Shemlali were found to be more stable, effective, and safe than (OL/WPNs). Consequently, OL/Ag-NPs, especially Tofahy, are the best and safest nanoscale particles that can be safely used in food and pharmaceutical applications.
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Affiliation(s)
- Hanem M. M. Mansour
- Food Technology Department, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Mohamed G. Shehata
- Food Technology Department, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
- Food Research Section, R&D Division, Abu Dhabi Agriculture and Food Safety Authority (ADAFSA), Abu Dhabi, United Arab Emirates
| | - Eman M. Abdo
- Food Science Department, Faculty of Agriculture (Saba Basha), Alexandria University, Alexandria, Egypt
| | - Mona Mohamad Sharaf
- Protein Research Department, Genetic Engineering and Biotechnology Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - El-sayed E. Hafez
- Plant Protection and Bio-Molecular Diagnosis Department, Arid Lands Cultivation Research Institute, City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
| | - Amira M. Galal Darwish
- Food Technology Department, Arid Lands Cultivation Research Institute (ALCRI), City of Scientific Research and Technological Applications (SRTA-City), Alexandria, Egypt
- Food Industry Technology Program, Faculty of Industrial and Energy Technology, Borg Al Arab Technological University (BATU), Alexandria, Egypt
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Green microwave synthesis of ZnO and CeO 2 nanorods for infectious diseases control and biomedical applications. AMB Express 2022; 12:153. [PMID: 36504111 PMCID: PMC9742012 DOI: 10.1186/s13568-022-01495-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Accepted: 11/20/2022] [Indexed: 12/14/2022] Open
Abstract
Control of Infectious diseases such as; bacteria and viruses, has become a globally critical issue, since the appearance of COVID-19 virus in 2020. In addition to the microbial resistance of the currently available therapeutic drugs as well as, its prolonged side effects make its use is of health care concern. Green nanotechnology approach is a promising solution for controlling such infectious diseases and many biomedical purposes. In the present study, green synthesis approach based on microwave-assisted hydrothermal method is an innovative and environmentally friendly method for preparation of bioactive CeO2 and ZnO nanorod structured materials using Olea europaea (O. e.) leaf plant extract as a natural medicinal capping agent for controlling the shape and size of nano-products. The optical and structural analyses of the obtained nanorod-structures are characterized using; TEM, FTIR, XRD, SBET analyses and particle size analyzer. The green-synthesized ZnO and CeO2 nanorods display an average crystallite size of approximately 15 and 5 nm, respectively. The antimicrobial activity of ZnO and CeO2 nanorods compared with the traditional hydrothermal methods, was examined on six clinical pathogens including; (E. coli Serratia sp., S. aureus, Bacillus subtilis, Streptococcus mutant, and MRSA). The results indicated superior antimicrobial and anti-tumor activities towards hepatocellular carcinoma cell lines (IC50 = 117.24 and 103.50 μg mL-1 for ZnO and CeO2 and LD50 > 3000 mg kg-1). This demonstrates that the green microwave process is a promising approach for the synthesis of effective ZnO and CeO2 nanomaterials applied for many biomedical applications.
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Novel Copper Oxide Bio-Nanocrystals to Target Outer Membrane Lectin of Vancomycin-Resistant Enterococcus faecium (VREfm): In Silico, Bioavailability, Antimicrobial, and Anticancer Potential. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27227957. [PMID: 36432057 PMCID: PMC9696412 DOI: 10.3390/molecules27227957] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/11/2022] [Revised: 11/06/2022] [Accepted: 11/09/2022] [Indexed: 11/19/2022]
Abstract
In present study, we used Olea europaea leaf extract to biosynthesize in situ Copper Oxide nanocrystals (CuO @OVLe NCs) with powerful antibacterial and anti-cancer capabilities. Physio-chemical analyses, such as UV/Vis, FTIR, XRD, EDX, SEM, and TEM, were applied to characterize CuO @OVLe NCs. The UV/Vis spectrum demonstrated a strong peak at 345 nm. Furthermore, FTIR, XRD, and EDX validated the coating operation's contact with colloidal CuO @OVLe NCs. According to TEM and SEM analyses, CuO @OVLe NCs exhibited a spherical shape and uniform distribution of size with aggregation, for an average size of ~75 nm. The nanoparticles demonstrated a considerable antibacterial effect against E. faecium bacterial growth, as well as an increased inhibition rate in a dose-dependent manner on the MCF-7, PC3, and HpeG2 cancer cell lines and a decreased inhibition rate on WRL-68. Molecular docking and MD simulation were used to demonstrate the high binding affinity of a ligand (Oleuropein) toward the lectin receptor complex of the outer membrane to vancomycin-resistant E. faecium (VREfm) via amino acids (Leu 195, Thr 288, His 165, and Ser 196). Hence, our results expand the accessibility of OVLe's bioactive components as a promising natural source for the manufacture of physiologically active components and the creation of green biosynthesis of metal nanocrystals.
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Elderdery AY, Alzahrani B, Alabdulsalam AA, Hamza SMA, Elkhalifa AME, Alhamidi AH, Alanazi F, Mohamedain A, Subbiah SK, Ling Mok P. Structural, Optical, Antibacterial, and Anticancer Properties of Cerium Oxide Nanoparticles Prepared by Green Synthesis Using Morinda citrifolia Leaves Extract. Bioinorg Chem Appl 2022; 2022:6835625. [PMID: 36212986 PMCID: PMC9534709 DOI: 10.1155/2022/6835625] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2022] [Accepted: 05/27/2022] [Indexed: 11/17/2022] Open
Abstract
Currently, new advancements in the area of nanotechnology opened up new prospects in the field of medicine that could provide us with a solution for numerous medical complications. Although a several varieties of nanoparticles is being explored to be used as nanomedicines, cerium oxide nanoparticles (CeO2 NPs) are the most attractive due to their biocompatibility and their switchable oxidation state (+3 and +4) or in other words the ability to act as prooxidant and antioxidant depending on the pH condition. Green synthesis of nanoparticles is preferred to make it more economical, eco-friendly, and less toxic. The aim of our study here is to formulate the CeO2 NPs (CeO2 NPs) using Morinda citrifolia (Noni) leaf extract and study its optical, structural, antibacterial, and anticancer abilities. Their optical and structural characterization was accomplished by employing X-ray diffractography (XRD), TEM, EDAX, FTIR, UV-vis, and photoluminescence assays. Our CeO2 NPs expressed strong antibacterial effects against Gram-positive S. aureus and S. pneumonia in addition to Gram-negative E. coli and K. pneumonia when compared with amoxicillin. The anticancer properties of the green synthesized CeO2 NPs against human acute lymphoblastic leukemia (ALL) MOLT-4 cells were further explored by the meticulous study of their ability to diminish cancer cell viability (cytotoxicity), accelerate apoptosis, escalate intracellular reactive oxygen species (ROS) accumulation, decline the mitochondria membrane potential (MMP) level, modify the cell adhesion, and shoot up the activation of proapoptotic markers, caspase-3, -8, and -9, in the tumor cells. Altogether, the outcomes demonstrated that our green synthesized CeO2 NPs are an excellent candidate for alternative cancer therapy.
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Affiliation(s)
- Abozer Y. Elderdery
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
- Health Sciences Research Unit, Jouf University, Sakaka, Saudi Arabia
| | - Badr Alzahrani
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, Jouf University, Sakaka, Saudi Arabia
| | | | - Siddiqa M. A. Hamza
- College of Medicine, Department of Pathology, Umm Al-Qura University Algunfuda, Mecca, Saudi Arabia
| | - Ahmed M. E. Elkhalifa
- Department of Public Health, College of Health Sciences, Saudi Electronic University, Riyadh, Saudi Arabia
- Department of Haematology, Faculty of Medical Laboratory Sciences, University of El Imam El Mahdi, Kosti, Sudan
| | - Abdulaziz H. Alhamidi
- Clinical Laboratory Sciences Department, College of Applied Medical Science, King Saud University, Riyadh, Saudi Arabia
| | - Fehaid Alanazi
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences-Al-qurayyat, Jouf University, Sakaka, Saudi Arabia
| | - A. Mohamedain
- Department of Biomedical Sciences, College of Medicine, King Faisal University, Hofuf, Saudi Arabia
- Department of Biochemistry, Faculty of Medicine, Khartoum University, Khartoum, Sudan
| | - Suresh Kumar Subbiah
- Centre for Materials Engineering and Regenerative Medicine, Bharath Institute of Higher Education and Research, Chennai, India
| | - Pooi Ling Mok
- Department of Biomedical Science, Faculty of Medicine & Health Sciences, Universiti Putra Malaysia, 43400 UPM Serdang, Seri Kembangan, Selangor, Malaysia
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Gaba S, Rai AK, Varma A, Prasad R, Goel A. Biocontrol potential of mycogenic copper oxide nanoparticles against Alternaria brassicae. Front Chem 2022; 10:966396. [PMID: 36110132 PMCID: PMC9468977 DOI: 10.3389/fchem.2022.966396] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 07/04/2022] [Indexed: 11/13/2022] Open
Abstract
The biological synthesis of nanoparticles using fungal cultures is a promising and novel tool in nano-biotechnology. The potential culture of Trichoderma asperellum (T. asperellum) has been used to synthesize copper oxide nanoparticles (CuO NPs) in the current study. The necrotrophic infection in Brassica species is caused due to a foliar pathogen Alternaria brassicae (A. brassicae). Mycogenic copper oxide nanoparticles (M-CuO NPs) were characterized by spectroscopic and microscopic techniques such as UV-visible spectrophotometry (UV-vis), transmission electron microscopy (TEM), scanning electron microscopy (SEM), X-ray diffraction (XRD), and Fourier transform infrared spectroscopy (FTIR). The antifungal potential of CuO NPs was studied against A. brassicae. M-CuO NPs exhibited a surface plasmon resonance (SPR) at 303 nm, and XRD confirmed the crystalline phase of NPs. FTIR spectra confirmed the stretching of amide bonds, and the carbonyl bond indicated the presence of enzymes in T. asperellum filtrate. SEM and TEM confirmed the spherical shape of M-CuO NPs with an average size of 22 nm. Significant antifungal potential of M-CuO NPs was recorded, as it inhibited the growth of A. brassicae up to 92.9% and 80.3% in supplemented media with C-CuO NPs at 200 ppm dose. Mancozeb and propiconazole inhibited the radial growth up to 38.7% and 44.2%. SEM confirmed the morphological changes in hyphae and affected the sporulation pattern. TEM revealed hardly recognizable organelles, abnormal cytoplasmic distribution, and increased vacuolization, and light microscopy confirmed the conidia with reduced diameter and fewer septa after treatment with both types of NPs. Thus, M-CuO NPs served as a promising alternative to fungicides.
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Affiliation(s)
- Swati Gaba
- Amity Institute of Microbial Technology, Amity University, Noida, India
| | - Ashutosh Kumar Rai
- Department of Biochemistry, College of Medicine, Imam Abdulrahman Bin Faisal University, Dammam, Saudi Arabia
| | - Ajit Varma
- Amity Institute of Microbial Technology, Amity University, Noida, India
| | - Ram Prasad
- Department of Botany, Mahatma Gandhi Central University, Motihari, BR, India
| | - Arti Goel
- Amity Institute of Microbial Technology, Amity University, Noida, India
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Efficacy of Green Cerium Oxide Nanoparticles for Potential Therapeutic Applications: Circumstantial Insight on Mechanistic Aspects. NANOMATERIALS 2022; 12:nano12122117. [PMID: 35745455 PMCID: PMC9227416 DOI: 10.3390/nano12122117] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/10/2022] [Revised: 06/05/2022] [Accepted: 06/14/2022] [Indexed: 12/12/2022]
Abstract
Green synthesized cerium oxide nanoparticles (GS-CeO2 NPs) have a unique size, shape, and biofunctional properties and are decorated with potential biocompatible agents to perform various therapeutic actions, such as antimicrobial, anticancer, antidiabetic, and antioxidant effects and drug delivery, by acquiring various mechanistic approaches at the molecular level. In this review article, we provide a detailed overview of some of these critical mechanisms, including DNA fragmentation, disruption of the electron transport chain, degradation of chromosomal assemblage, mitochondrial damage, inhibition of ATP synthase activity, inhibition of enzyme catalytic sites, disorganization, disruption, and lipid peroxidation of the cell membrane, and inhibition of various cellular pathways. This review article also provides up-to-date information about the future applications of GS-CeONPs to make breakthroughs in medical sectors for the advancement and precision of medicine and to effectively inform the disease diagnosis and treatment strategies.
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Recent progress of phytogenic synthesis of ZnO, SnO 2, and CeO 2 nanomaterials. Bioprocess Biosyst Eng 2022; 45:619-645. [PMID: 35244777 DOI: 10.1007/s00449-022-02713-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/14/2022] [Indexed: 01/17/2023]
Abstract
A critical investigation on the fabrication of metal oxide nanoparticles (NPs) such as ZnO, SnO2, and CeO2 NPs synthesized from green and phytogenic method using plants and various plant parts have been compiled. In this review, different plant extraction methods, synthesis methods, characterization techniques, effects of plant extract on the physical, chemical, and optical properties of green synthesized ZnO, SnO2, and CeO2 NPs also have been compiled and discussed. Effect of several parameters on the size, morphology, and optical band gap energy of metal oxide have been explored. Moreover, the role of solvents has been found important and discussed. Extract composition i.e. phytochemicals also found to affect the morphology and size of the synthesized ZnO, SnO2, and CeO2 NPs. It was found that, there is no universal extraction method that is ideal and extraction techniques is unique to the plant type, plant parts, and solvent used.
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Sawake MM, Moharil MP, Ingle YV, Jadhav PV, Ingle AP, Khelurkar VC, Paithankar DH, Bathe GA, Gade AK. Management of Phytophthora parasitica causing gummosis in citrus using biogenic copper oxide nanoparticles. J Appl Microbiol 2022; 132:3142-3154. [PMID: 35119711 DOI: 10.1111/jam.15472] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 01/28/2022] [Accepted: 02/01/2022] [Indexed: 11/30/2022]
Abstract
AIM The main aim of the present study is to develop nanotechnology-based solutions for the management of a fungus, Phytophthora parasitica causing gummosis in citrus. METHODS AND RESULTS Biogenic copper nanoparticles (CuONPs) were synthesized using two different biocontrol agents, Pseudomonas fluorescens and Trichoderma viride and characterized using different analytical techniques. Further, in vitro (at the concentrations of 10 mg/L, 15 mg/L, 30 mg/L, 50 mg/L, 70 mg/L, 100 mg/L and 150 mg/L) and in vivo (at the concentration of 100 mg/L) activities of these nanoparticles were evaluated for their antifungal efficacy against P. parasitica. The results obtained confirmed the synthesis of irregular shaped CuONPs having a size in the range of 40-100 nm in case of P. fluorescens, whereas, spherical CuONPs in the size range of 20-80 were recorded in case of T. viride. As far as the in vitro antifungal efficacies of both these CuONPs is concerned, the maximum percent growth inhibition was observed in case of CuONPs synthesized from T. viride compared to CuONPs from P. fluorescens. However, in case of in vivo antifungal efficacies, CuONPs synthesized from T. viride showed the activity significantly higher than the conventionally used Bordeaux mixture. CONCLUSIONS It can be concluded that biosynthesized CuONPs can be effectively used as a potential fungicide against P. parasitica. SIGNIFICANCE AND IMPACT OF THE STUDY The application of nanoparticles having antifungal activities can be used as alternative fungicides to the conventional chemical fungicides. It has the potential to revolutionize the existing management strategies available for plant pathogenic fungi.
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Affiliation(s)
- Manisha M Sawake
- Biotechnology Center, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra, India
| | - M P Moharil
- Biotechnology Center, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra, India
| | - Y V Ingle
- AICRP on Fruits, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra, India
| | - P V Jadhav
- Biotechnology Center, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra, India
| | - A P Ingle
- Biotechnology Center, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra, India
| | - V C Khelurkar
- Biotechnology Center, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra, India
| | - D H Paithankar
- Biotechnology Center, Dr. Panjabrao Deshmukh Krishi Vidyapeeth, Akola, Maharashtra, India
| | - G A Bathe
- UICT, KBC North Maharashtra University, Jalgaon, Maharashtra, India
| | - A K Gade
- Department of Biotechnology, Sant Gadge Baba Amravati University, Amravati, Maharashtra, India
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Green Synthesis of Nanostructure CeO 2 Using Tea Extract: Characterization and Adsorption of Dye from Aqueous Phase. Bioinorg Chem Appl 2021; 2021:5285625. [PMID: 34956341 PMCID: PMC8694989 DOI: 10.1155/2021/5285625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 11/26/2021] [Indexed: 11/19/2022] Open
Abstract
Nanostructure CeO2 powders were synthesized using tea waste extract as gel precursor. The as-prepared samples were characterized by thermogravimetric analyzer (TGA), X-ray diffraction (XRD), scanning electron microscopy (SEM), X-ray photoelectron spectroscopy (XPS), and Raman spectroscopy. Based on the TGA/DTG analysis, the intermediates of cerium chloride hydrates (CeCl3.4H2O and CeCl3.H2O) and cerium anhydrous (CeCl3) were produced, and the formation temperature of CeO2 was estimated to be 773 K. The cubic fluorite structure of CeO2 was detected to be the predominant species and was completely formed at the calcination temperature of 773K–1073 K with a crystal size between 8.8 and 11.4 nm based on the XRD measurement. Moreover, the main chemical state of ceria on the surface of the synthesized samples was confirmed to be tetravalent ceria by XPS. All samples show a strong Raman signal at a well-defined chemical shift of 463 cm−1 and a significant symmetry feature was observed, suggesting that the tetravalent ceria is the dominant species throughout the bulk sample. All the synthesized CeO2 calcined at different temperatures showed higher adsorption efficiency for Congo red (CR) compared with commercial CeO2. The adsorption efficiency maintained a steady state of more than 95% when the concentration of CR and adsorption temperature were varied in this study. The kinetic analysis showed that the second-order model was the appropriate model to interpret the adsorption behavior of synthesized CeO2. The calculated adsorption capacity derived from the second-order model is in good agreement with the experimental data. The isotherm analysis revealed that the Freundlich and D-R models fit well for the synthesized CeO2 and represent physisorption with a multilayer mechanism. The thermodynamic parameters, including the changes in Gibb's free energy, enthalpy, and entropy, suggested that the adsorption of CR on the synthesized CeO2 sample was a spontaneous and endothermic process.
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Naidi SN, Harunsani MH, Tan AL, Khan MM. Green-synthesized CeO 2 nanoparticles for photocatalytic, antimicrobial, antioxidant and cytotoxicity activities. J Mater Chem B 2021; 9:5599-5620. [PMID: 34161404 DOI: 10.1039/d1tb00248a] [Citation(s) in RCA: 49] [Impact Index Per Article: 16.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Cerium oxide nanoparticles (CeO2 NPs) are a sought-after material in numerous fields due to their potential applications such as in catalysis, cancer therapy, photocatalytic degradation of pollutants, sensors, polishing agents. Green synthesis usually involves the production of CeO2 assisted by organic extracts obtained from plants, leaves, flowers, bacteria, algae, food, fruits, etc. The phytochemicals present in the organic extracts adhere to the NPs and act as reducing and/or oxidizing agents and capping agents to stabilize the NPs, modify the particle size, morphology and band gap energy of the as-synthesized materials, which would be advantageous for numerous applications. This review focuses on the green extract-mediated synthesis of CeO2 NPs and discusses the effects on CeO2 NPs of various synthesis methods that have been reported. Several photocatalytic, antimicrobial, antioxidant and cytotoxicity applications have been evaluated, compared and discussed. Future prospects are also suggested.
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Affiliation(s)
- Siti Najihah Naidi
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE 1410, Brunei Darussalam.
| | - Mohammad Hilni Harunsani
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE 1410, Brunei Darussalam.
| | - Ai Ling Tan
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE 1410, Brunei Darussalam.
| | - Mohammad Mansoob Khan
- Chemical Sciences, Faculty of Science, Universiti Brunei Darussalam, Jalan Tungku Link, Gadong, BE 1410, Brunei Darussalam.
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Nadeem M, Khan R, Afridi K, Nadhman A, Ullah S, Faisal S, Mabood ZU, Hano C, Abbasi BH. Green Synthesis of Cerium Oxide Nanoparticles (CeO 2 NPs) and Their Antimicrobial Applications: A Review. Int J Nanomedicine 2020; 15:5951-5961. [PMID: 32848398 PMCID: PMC7429212 DOI: 10.2147/ijn.s255784] [Citation(s) in RCA: 79] [Impact Index Per Article: 19.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2020] [Accepted: 07/08/2020] [Indexed: 12/26/2022] Open
Abstract
During the last decade green synthesized cerium oxide nanoparticles (CeO2 NPs) attracted remarkable interest in various fields of science and technology. This review, explores the vast array of biological resources such as plants, microbes, and other biological products being used in synthesis of CeO2 NPs. It also discusses their biosynthetic mechanism, current understandings, and trends in the green synthesis of CeO2 NPs. Novel therapies based on green synthesized CeO2 NPs are illustrated, in particular their antimicrobial potential along with attempts of their mechanistic elucidation. Overall, the main objective of this review is to provide a rational insight of the major accomplishments of CeO2 NPs as novel therapeutics agents for a wide range of microbial pathogens and combating other diseases.
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Affiliation(s)
- Muhammad Nadeem
- Institute of Integrative Biosciences, CECOS University of IT and Emerging Sciences, Peshawar25100, KPK, Pakistan
| | - Ramsha Khan
- Institute of Integrative Biosciences, CECOS University of IT and Emerging Sciences, Peshawar25100, KPK, Pakistan
| | - Komal Afridi
- Institute of Integrative Biosciences, CECOS University of IT and Emerging Sciences, Peshawar25100, KPK, Pakistan
| | - Akhtar Nadhman
- Institute of Integrative Biosciences, CECOS University of IT and Emerging Sciences, Peshawar25100, KPK, Pakistan
| | - Sana Ullah
- Department of Biotechnology, Quaid I Azam University, Islamabad45320, Pakistan
| | - Sulaiman Faisal
- Institute of Integrative Biosciences, CECOS University of IT and Emerging Sciences, Peshawar25100, KPK, Pakistan
| | - Zia Ul Mabood
- Institute of Integrative Biosciences, CECOS University of IT and Emerging Sciences, Peshawar25100, KPK, Pakistan
| | - Christophe Hano
- Laboratoire de Biologie des Ligneux et des Grandes Cultures (LBLGC), Plant Lignans Team, INRAE USC1328, Université d’Orléans, Eure Et Loir Campus, ChartresF28000, France
| | - Bilal Haider Abbasi
- Department of Biotechnology, Quaid I Azam University, Islamabad45320, Pakistan
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