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El Golli A, Contreras S, Dridi C. Bio-synthesized ZnO nanoparticles and sunlight-driven photocatalysis for environmentally-friendly and sustainable route of synthetic petroleum refinery wastewater treatment. Sci Rep 2023; 13:20809. [PMID: 38012203 PMCID: PMC10682493 DOI: 10.1038/s41598-023-47554-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2023] [Accepted: 11/15/2023] [Indexed: 11/29/2023] Open
Abstract
The design of a green photocatalytic system that harnesses renewable and eco-friendly constituents holds the potential to offer valuable insights into alternative strategies for treating toxic multi-components in refinery water effluents. A significant challenge in implementing a practical and viable approach is the utilization of solar energy-an abundant, natural, and cost-effective resource-for photochemical processes within advanced oxidation processes. In this study, we explored the use of zinc oxide nanoparticles (ZnO NPs) as photocatalyst prepared via an environmentally friendly synthesis approach, resulting in the formation of crystalline wurtzite nanoparticles, with an average size of about 14 nm relatively spherical in shape. Notably, the extract derived from Moringa oleifera was employed in this investigation. These nanoparticles were characterized and validated using various characterization techniques, including X-ray diffraction, transmission electron microscopy, field emission scanning electron microscopy, and energy dispersive X-ray spectroscopy. For comparison, conventionally synthesized ZnO NPs were also included in the evaluations. The findings reveal that, under illumination, biosynthesized ZnO nanoparticles (NPs) exhibit photocatalytic performance in effectively breaking down the organic compounds present in synthetic petroleum wastewater. Photochemical analysis further illustrates the degradation efficiency of Green-ZnO, which, within 180 min of irradiation resulted in 51%, 52%, 88%, and 93% of removal for Phenol, O-Cresol. Under optimal loading conditions, NPs produced via the green synthesis approach perform better when compared to chemically synthesized ZnO. This significant improvement in photocatalytic activity underscores the potential of eco-friendly synthesis methods in achieving enhanced water treatment efficiency.
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Affiliation(s)
- A El Golli
- Center of Research on Microelectronics and Nanotechnology of Sousse, NANOMISENE Laboratory LR16CRMN01, Technopole of Sousse, B.P. 334, Sousse, Tunisia
- High School of Sciences and Technology of Hammam Sousse, University of Sousse, Sousse, Tunisia
| | - S Contreras
- Departament d'Enginyeria Química, Universitat Rovira i Virgili, Av. Països Catalans, 26, 43007, Tarragona, Spain.
| | - C Dridi
- Center of Research on Microelectronics and Nanotechnology of Sousse, NANOMISENE Laboratory LR16CRMN01, Technopole of Sousse, B.P. 334, Sousse, Tunisia.
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2
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Sarvalkar P, Vadanagekar AS, Karvekar OS, Kumbhar PD, Terdale SS, Thounaojam AS, Kolekar SS, Vhatkar RS, Patil PS, Sharma KKK. Thermodynamics of Azo Dye Adsorption on a Newly Synthesized Titania-Doped Silica Aerogel by Cogelation: A Comparative Investigation with Silica Aerogels and Activated Charcoal. ACS OMEGA 2023; 8:13285-13299. [PMID: 37065033 PMCID: PMC10099422 DOI: 10.1021/acsomega.3c00552] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Accepted: 03/17/2023] [Indexed: 06/19/2023]
Abstract
The adsorption isotherms of azo dyes on a newly synthesized titania-doped silica (TdS) aerogel compared to silica aerogels and activated charcoal (AC) are systematically investigated. Monolithic TdS aerogels were synthesized by the cogelation process followed by supercritical drying of tetraethyl orthosilicate (TEOS) as a gel precursor and titanium(IV) isopropoxide (TTIP) as a metal complex precursor for co-polymerization in ethanol solvent. An acid-base catalyst was used for the hydrolysis and condensation of TEOS and TTIP. The effect of Ti4+ doping in a silica aerogel on the mesoporous structure and the adsorption capacity of methylene blue (MB) and crystal violet (CV) dyes were evaluated from the UV-vis absorption spectra. In order to compare the adsorption isotherms, the surface areas of silica and TdS aerogels were first normalized with respect to AC, as adsorption is a surface phenomenon. The azo dye equilibrium adsorption data were analyzed using different isotherm equations and found to follow the Langmuir adsorption isotherm. The maximum monolayer adsorption capacities for the adsorbent TdS aerogel normalized with the AC of the Langmuir isotherm are 131.58 and 159.89 mg/g for MB and CV dyes, respectively. From the Langmuir curve fitting, the Q max value of the TdS aerogel was found to increase by 1.22-fold compared to AC, while it increased 1.25-1.53-fold compared to the silica aerogel. After four cycles, regeneration efficiency values for MB and CV dyes are about 84 and 80%, respectively. The study demonstrates the excellent potential and recovery rate of silica and TdS aerogel adsorbents in removing dyes from wastewater. The pore volume and average pore size of the new aerogel, TdS, were found to be lower than those of the silica aerogel. Thus, a new TdS aerogel with a high capacity of adsorption of azo dyes is successfully achieved.
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Affiliation(s)
- Prashant
D. Sarvalkar
- School
of Nanoscience and Biotechnology, Shivaji
University, Kolhapur 416004, Maharashtra, India
| | - Apurva S. Vadanagekar
- School
of Nanoscience and Biotechnology, Shivaji
University, Kolhapur 416004, Maharashtra, India
| | - Omkar S. Karvekar
- School
of Nanoscience and Biotechnology, Shivaji
University, Kolhapur 416004, Maharashtra, India
| | - Pramod D. Kumbhar
- Department
of Chemistry, Shivaji University, Kolhapur 416004, Maharashtra, India
- Department
of Chemistry, Sadguru Gadge Maharaj College, Karad 415124, Maharashtra, India
| | - Santosh S. Terdale
- Department
of Chemistry, Savitribai Phule Pune University, Pune 411007, Maharashtra, India
| | - Avinash Singh Thounaojam
- Department
of Chemistry, AKI’s Poona College
of Arts, Science & Commerce, Pune 411001, Maharashtra, India
| | - Sanjay S. Kolekar
- Department
of Chemistry, Shivaji University, Kolhapur 416004, Maharashtra, India
| | - Rajiv S. Vhatkar
- Department
of Physics, Shivaji University, Kolhapur 416004, Maharashtra, India
| | - Pramod S. Patil
- School
of Nanoscience and Biotechnology, Shivaji
University, Kolhapur 416004, Maharashtra, India
- Department
of Physics, Shivaji University, Kolhapur 416004, Maharashtra, India
| | - Kiran Kumar K. Sharma
- School
of Nanoscience and Biotechnology, Shivaji
University, Kolhapur 416004, Maharashtra, India
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Sahoo B, Rath SK, Champati BB, Panigrahi LL, Pradhan AK, Nayak S, Kar BR, Jha S, Arakha M. Photocatalytic activity of biosynthesized silver nanoparticle fosters oxidative stress at nanoparticle interface resulting in antimicrobial and cytotoxic activities. ENVIRONMENTAL TOXICOLOGY 2023. [PMID: 36988223 DOI: 10.1002/tox.23787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 02/25/2023] [Accepted: 03/12/2023] [Indexed: 06/19/2023]
Abstract
Inside the biological milieu, nanoparticles with photocatalytic activity have potential to trigger cell death non-specifically due to production of reactive oxygen species (ROS) upon reacting with biological entities. Silver nanoparticle (AgNP) possessing narrow band gap energy can exhibit high light absorption property and significant photocatalytic activity. This study intends to explore the effects of ROS generated due to photocatalytic activity of AgNP on antimicrobial and cytotoxic propensities. To this end, AgNP was synthesized using the principle of green chemistry from the peel extract of Punica granatum L., and was characterized using UV-Vis spectroscope, transmission electron microscope and x-ray diffraction, and so forth. The antimicrobial activity of AgNP against studied bacteria indicated that, ROS generated at AgNP interface develop stress on bacterial membrane leading to bacterial cell death, whereas Alamar Blue dye reduction assay indicated that increased cytotoxic activity with increasing concentrations of AgNP. The γH2AX activity assay revealed that increasing the concentrations of AgNP increased DNA damaging activity. The results altogether demonstrated that both antimicrobial and cytotoxic propensities are triggered primarily due interfacial ROS generation by photocatalytic AgNP, which caused membrane deformation in bacteria and DNA damage in HT1080 cells resulting in cell death.
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Affiliation(s)
- Banishree Sahoo
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Sandip Kumar Rath
- Department of Radiation Oncology and Winship Cancer Institute, Emory University School of Medicine, Atlanta, Georgia, USA
| | - Bibhuti Bhusan Champati
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Lipsa Leena Panigrahi
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Arun Kumar Pradhan
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Sanghamitra Nayak
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Bikash Ranjan Kar
- IMS & SUM Hospital, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
| | - Suman Jha
- Department of Life Science, National Institute of Technology Rourkela, Rourkela, Odisha, India
| | - Manoranjan Arakha
- Centre for Biotechnology, Siksha 'O' Anusandhan (Deemed to be University), Bhubaneswar, Odisha, India
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Kumbhar GS, Patil SV, Sarvalkar PD, Vadanagekar AS, Karvekar OS, Patil SS, Rane MR, Sharma KKK, Kurhe DN, Prasad NR. Synthesis of a Ag/rGO nanocomposite using Bos taurus indicus urine for nitroarene reduction and biological activity. RSC Adv 2022; 12:35598-35612. [PMID: 36545061 PMCID: PMC9746299 DOI: 10.1039/d2ra06280a] [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: 10/06/2022] [Accepted: 11/24/2022] [Indexed: 12/15/2022] Open
Abstract
The present study develops a unique in situ synthesis of a catalytically and biologically active Ag/reduced graphene oxide (rGO) nanocomposite. Herein, we employed Bos taurus indicus urine to synthesize a Ag/rGO nanocomposite in an environmentally benign, facile, economical, and sustainable manner. The elemental composition analysis reveals the presence of Ag, O and C elements. The scanning electron micrograph shows the formation of spherical silver in nanoform whereas rGO is found to be flake shaped with a wrinkled nature. The synthesized nanomaterial and its composite shows a positive catalytic effect in simple organic transformation for the reduction of nitroarene compounds. Investigations were conducted into the catalytic effectiveness of the prepared nanomaterials for diverse nitroarene reduction. Then, using NaBH4 at 25 °C, the catalytic roles of Ag and the Ag/rGO nano-catalyst were assessed towards the catalytic reduction of several environmental pollutants such as 2-, 3- and 4-nitroaniline and 4-nitrophenol into their respective amino compounds. To test their catalytic performance, bio-mimetically synthesized Ag NPs were thermally treated at 200 °C and compared with the Ag/rGO nanocomposite. Furthermore, biomedical applications such as the antibacterial and antioxidant properties of the as-prepared nanomaterials were investigated in this study.
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Affiliation(s)
- Gouri S. Kumbhar
- School of Nanoscience and Technology, Shivaji UniversityKolhapur-416004MHIndia
| | - Shubham V. Patil
- School of Nanoscience and Technology, Shivaji UniversityKolhapur-416004MHIndia
| | | | | | - Omkar S. Karvekar
- School of Nanoscience and Technology, Shivaji UniversityKolhapur-416004MHIndia
| | | | - Manali R. Rane
- Department of Biotechnology, Shivaji UniversityKolhapur-416004MHIndia
| | | | - Deepti N. Kurhe
- Department of Biochemistry, Shivaji UniversityKolhapur-416004MHIndia
| | - Neeraj R. Prasad
- School of Nanoscience and Technology, Shivaji UniversityKolhapur-416004MHIndia,Jaysingpur College, Jaysingpur, Affiliated to Shivaji UniversityKolhapur 416234MHIndia
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Kumar P, Dixit J, Singh AK, Rajput VD, Verma P, Tiwari KN, Mishra SK, Minkina T, Mandzhieva S. Efficient Catalytic Degradation of Selected Toxic Dyes by Green Biosynthesized Silver Nanoparticles Using Aqueous Leaf Extract of Cestrum nocturnum L. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12213851. [PMID: 36364627 PMCID: PMC9655307 DOI: 10.3390/nano12213851] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Revised: 10/15/2022] [Accepted: 10/26/2022] [Indexed: 05/11/2023]
Abstract
In the present study, the catalytic degradation of selected toxic dyes (methylene blue, 4-nitrophenol, 4-nitroaniline, and congo red) using biosynthesized green silver nanoparticles (AgNPs) of Cestrum nocturnum L. was successfully performed. These AgNPs are efficiently synthesized when a reaction mixture containing 5 mL of aqueous extract (3%) and 100 mL of silver nitrate (1 mM) is exposed under sunlight for 5 min. The synthesis of AgNPs was confirmed based on the change in the color of the reaction mixture from pale yellow to dark brown, with maximum absorbance at 455 nm. Obtained NPs were characterized by different techniques, i.e., FTIR, XRD, HR-TEM, HR-SEM, SAED, XRD, EDX, AFM, and DLS. Green synthesized AgNPs were nearly mono-dispersed, smooth, spherical, and crystalline in nature. The average size of the maximum number of AgNPs was 77.28 ± 2.801 nm. The reduction of dyes using a good reducing agent (NaBH4) was tested. A fast catalytic degradation of dyes took place within a short period of time when AgNPs were added in the reaction mixture in the presence of NaBH4. As a final recommendation, Cestrum nocturnum aqueous leaf extract-mediated AgNPs could be effectively implemented for environmental rehabilitation because of their exceptional performance. This can be utilized in the treatment of industrial wastewater through the breakdown of hazardous dyes.
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Affiliation(s)
- Pradeep Kumar
- Department of Botany, MMV, Banaras Hindu University, Varanasi 221005, India
| | - Jyoti Dixit
- Department of Botany, MMV, Banaras Hindu University, Varanasi 221005, India
| | - Amit Kumar Singh
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India
| | - Vishnu D. Rajput
- Academy of Biology and Biotechnology, Southern Federal University, 344096 Rostov on Don, Russia
- Correspondence: (V.D.R.); (K.N.T.)
| | - Pooja Verma
- Department of Botany, MMV, Banaras Hindu University, Varanasi 221005, India
| | - Kavindra Nath Tiwari
- Department of Botany, MMV, Banaras Hindu University, Varanasi 221005, India
- Correspondence: (V.D.R.); (K.N.T.)
| | - Sunil Kumar Mishra
- Department of Pharmaceutical Engineering and Technology, Indian Institute of Technology, Banaras Hindu University, Varanasi 221005, India
| | - Tatiana Minkina
- Academy of Biology and Biotechnology, Southern Federal University, 344096 Rostov on Don, Russia
| | - Saglara Mandzhieva
- Academy of Biology and Biotechnology, Southern Federal University, 344096 Rostov on Don, Russia
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Karvekar OS, Vadanagekar AS, Sarvalkar PD, Suryawanshi SS, Jadhav SM, Singhan RD, Jadhav JP, Sharma KKK, Prasad NR. Bos taurus (A-2) urine assisted bioactive cobalt oxide anchored ZnO: a novel nanoscale approach. Sci Rep 2022; 12:15584. [PMID: 36114411 PMCID: PMC9481578 DOI: 10.1038/s41598-022-19900-3] [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: 07/12/2022] [Accepted: 09/06/2022] [Indexed: 11/09/2022] Open
Abstract
AbstractIn this study, a novel synthetic method for cobalt oxide (Co3O4) nanoparticles using Bos taurus (A-2) urine as a reducing agent was developed. In addition to this ZnO nanorods were produced hydrothermally and a nanocomposite is formed through a solid-state reaction. The synthesized materials were characterized through modern characterization techniques such as XRD, FE-SEM with EDS, DLS, zeta potential, FT-IR, Raman spectroscopic analysis, and TGA with DSC. The free radical destructive activity was determined using two different methods viz. ABTS and DPPH. The potential for BSA denaturation in vitro, which is measured in comparison to heat-induced denaturation of egg albumin and results in anti-inflammatory effects of nanomaterial was studied. All synthesized nanomaterials have excellent antibacterial properties, particularly against Salmonella typhi and Staphylococcus aureus. The composite exhibits excellent antioxidant and anti-inflammatory activities in comparison to pure nanomaterials. This reveals that these nanomaterials are advantageous in medicine and drug administration.
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Zhang Y, Guo D, Li R. Synthesis of Cs0.3WO3 with visible transparency and near-infrared absorption from commercial WO3. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2021.122768] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
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