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Shi Q, Wu D, Guo C, Ma J. Catalytic Degradation of Bisphenol A with a Magnetically Recoverable Geopolymer Composite Using Coal Gangue. Molecules 2024; 29:3657. [PMID: 39125061 DOI: 10.3390/molecules29153657] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2024] [Revised: 07/07/2024] [Accepted: 07/22/2024] [Indexed: 08/12/2024] Open
Abstract
The widespread presence and use of Bisphenol A (BPA) in aquatic environments has caused significant ecological damage. Coal gangue (CG), a byproduct of coal mining, poses a major environmental concern due to its vast land occupation and potential for pollution. A magnetic recyclable geopolymer (MnFe2O4-CGP) using coal gangue geopolymer (CGP) as the carrier was successfully synthesized and was evaluated for its ability to Fenton-like degrade BPA. The characterization techniques revealed the successful incorporation of spherical MnFe2O4 onto the CGP surface and that CGP serves as an excellent platform for the immobilization and dispersion of MnFe2O4. The degradation rate reached 100% within 60 min at pH = 5, 15 mmol/L H2O2, 0.6 g/L catalyst, and 50 mg/L BPA, significantly higher than MnFe2O4 and CGP alone. It was indicated that the degradation rate of BPA in MnFe2O4-CGP composites was 0.1121 min-1, which was consistent with the first-order kinetic model. The saturation magnetization of MnFe2O4-CGP was measured to be 10.96 emu/g, enabling convenient recovery. MnFe2O4-CGP exhibited excellent stability, as the degradation rate of BPA remained above 95% even after five reaction cycles. This efficiency may be due to the MnFe2O4-CGP induced generation of reactive radicals. Quenching and EPR radical trapping experiments unequivocally confirmed that the reactive radical was hydroxyl radical (•OH). These results indicate that MnFe2O4-CGP has potential application prospects as a magnetic recyclable geopolymer composite in Fenton-like catalysis.
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Affiliation(s)
- Qishun Shi
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Danlei Wu
- College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Chunli Guo
- College of Materials Science and Engineering, Taiyuan University of Technology, Taiyuan 030024, China
| | - Jianchao Ma
- College of Mining Engineering, Taiyuan University of Technology, Taiyuan 030024, China
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Imran M, Raza M, Noor H, Faraz SM, Raza A, Farooq U, Khan ME, Ali SK, Bakather OY, Ali W, Bashiri AH, Zakri W. Insight into mechanism of excellent visible-light photocatalytic activity of CuO/MgO/ZnO nanocomposite for advanced solution of environmental remediation. CHEMOSPHERE 2024; 359:142224. [PMID: 38723693 DOI: 10.1016/j.chemosphere.2024.142224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/05/2023] [Revised: 04/26/2024] [Accepted: 04/30/2024] [Indexed: 05/16/2024]
Abstract
Environmental remediation has sought several innovative ways for the treatment of wastewater and captivated researchers around the globe towards it. Through this study, we aim to proceed with the efforts to foster sustainable and feasible ways for the treatment of wastewater. In this work, we report the sol-gel synthesis of CuO/MgO/ZnO nanocomposite and carry out their systematic characterization with the help of state-of-the-art analytical techniques, such as FTIR, SEM, TEM, PL, XRD, Raman, and AFM. The SEM along with TEM and AFM provided useful insights into the surface morphology of the synthesized nanocomposite on both 2D and 3D surfaces and concluded the well-dispersed behavior of the nanocomposite. The characteristic functional groups responsible for carrying out the reaction of Cu-O, Mg-O, and Zn-O were identified by FTIR spectroscopy. On the other hand, crystal size, dislocation density, and microstrain of the nanocomposite were calculated by XRD. For optical studies, photoluminescence spectroscopy was performed. Once the characterization of the nanocomposite was done, they were eventually treated against the toxic organic dye, methylene blue. The calculated rate constant values of k for CuO was 2.48 × 10-3 min-1, for CuO/MgO (2.04 × 10-3 min-1), for CuO/ZnO (1.82 × 10-3 min-1) and CuO/MgO/ZnO was found to be 2.00 × 10-3 min-1. It has become increasingly evident that nanotechnology can be used in various facets of modern life, and its implementation in wastewater treatment has recently received much attention.
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Affiliation(s)
- Muhammad Imran
- Centre of Excellence in Solid State Physics, University of Punjab, Lahore, 54590, Pakistan
| | - Mohsin Raza
- Additive Manufacturing Institute, Shenzhen University, Shenzhen, 518060, People's Republic of China
| | - Hadia Noor
- Centre of Excellence in Solid State Physics, University of Punjab, Lahore, 54590, Pakistan
| | - Sadia Muniza Faraz
- Department of Electronic Engineering, NED University of Engineering & Technology, Karachi, 75270, Pakistan
| | - Ali Raza
- Centre of Excellence in Solid State Physics, University of Punjab, Lahore, 54590, Pakistan
| | - Umar Farooq
- Department of Chemistry, The Islamia University of Bahawalpur, Baghdad-ul-Jadeed Campus, Bahawalpur, 63100, Pakistan
| | - Mohammad Ehtisham Khan
- Department of Chemical Engineering Technology, College of Applied Industrial Technology, Jazan University, Jazan 45142, Saudi Arabia.
| | - Syed Kashif Ali
- Department of Physical Sciences, Chemistry Division, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Kingdom of Saudi Arabia; Nanotechnology Research Unit, College of Science, Jazan University, P.O. Box. 114, Jazan 45142, Kingdom of Saudi Arabia
| | - Omer Y Bakather
- Chemical Engineering Department, College of Engineering and Computer Sciences, Jazan University, Jazan 45142, Saudi Arabia
| | - Wahid Ali
- Department of Chemical Engineering Technology, College of Applied Industrial Technology, Jazan University, Jazan 45142, Saudi Arabia
| | - Abdullateef H Bashiri
- Department of Mechanical Engineering, College of Engineering, Jazan University, P. O. Box 114, Jazan 45142, Saudi Arabia
| | - Waleed Zakri
- Department of Mechanical Engineering, College of Engineering, Jazan University, P. O. Box 114, Jazan 45142, Saudi Arabia
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Baytar O. Facile green synthesis of a novel NiO and its catalytic effect on methylene blue photocatalytic reduction and sodium borohydride hydrolysis. INTERNATIONAL JOURNAL OF PHYTOREMEDIATION 2024; 26:1577-1592. [PMID: 38634226 DOI: 10.1080/15226514.2024.2338470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/19/2024]
Abstract
NiO nanoparticles were synthesized from pine cone extract by green synthesis method, which is a simple, cost-effective, environmentally friendly and sustainable method. The particle size of NiO nanoparticles was determined to be in the range of 10-25 nm by X-diffraction differential and transmission electron microscope analysis, and the bandgap energy of NiO nanoparticles was determined to be 2.66 eV. The catalytic effect of NiO nanoparticles in both microwave-assisted sodium borohydride hydrolysis and photocatalytic reduction of methylene blue was examined and it was determined that they had a high catalytic effect in both applications. It was determined that the hydrogen production rate in sodium borohydride hydrolysis was 1135 mL/g/min. The activation energy of sodium borohydride hydrolysis is 29.69 kJ/mol and 29.59 kJ/mol for the nth-order and Langmuir Hinshelwood kinetic models, respectively. In the photocatalytic reduction of methylene blue with NaBH4, it was determined that the reduction did not occur in the absence of a catalyst, but in the presence of the catalyst, the reduction occurred 98% in 3 min. It was determined that NiO nanoparticles were used five times in the photocatalytic reduction of methylene blue and the reduction efficiency for the fifth time was 93%. It was determined that the photocatalytic reduction of methylene blue was pseudo-first order and the rate constant was 1.63 s-1. It was determined that NiO nanoparticles synthesized by the environmentally friendly green synthesis method can be used as catalysts for two different applications.
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Affiliation(s)
- Orhan Baytar
- Department of Chemical Engineering, Faculty of Engineering, Siirt University, Siirt, Turkey
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Pongchaikul P, Hajidariyor T, Khetlai N, Yu YS, Arjfuk P, Khemthong P, Wanmolee W, Posoknistakul P, Laosiripojana N, Wu KCW, Sakdaronnarong C. Nanostructured N/S doped carbon dots/mesoporous silica nanoparticles and PVA composite hydrogel fabrication for anti-microbial and anti-biofilm application. Int J Pharm X 2023; 6:100209. [PMID: 37711848 PMCID: PMC10498006 DOI: 10.1016/j.ijpx.2023.100209] [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: 07/08/2023] [Revised: 08/27/2023] [Accepted: 08/29/2023] [Indexed: 09/16/2023] Open
Abstract
Regarding the convergence of the worldwide epidemic, the appearance of bacterial infection has occasioned in a melodramatic upsurge in bacterial pathogens with confrontation against one or numerous antibiotics. The implementation of engineered nanostructured particles as a delivery vehicle for antimicrobial agent is one promising approach that could theoretically battle the setbacks mentioned. Among all nanoparticles, silica nanoparticles have been found to provide functional features that are advantageous for combatting bacterial contagion. Apart from that, carbon dots, a zero-dimension nanomaterial, have recently exhibited their photo-responsive property to generate reactive oxygen species facilitating to enhance microorganism suppression and inactivation ability. In this study, potentials of core/shell mesoporous silica nanostructures (MSN) in conjugation with carbon dots (CDs) toward antimicrobial activity against Staphylococcus aureus, Pseudomonas aeruginosa and Escherichia coli have been investigated. Nitrogen and sulfur doped CDs (NS/CDs) conjugated with MSN which were cost effective nanoparticles exhibited much superior antimicrobial activity for 4 times as much as silver nanoparticles against all bacteria tested. Among all nanoparticles tested, 0.40 M NS/CDs@MSN showed the greatest minimal biofilm inhibitory at very low concentration (< 0.125 mg mL-1), followed by 0.20 M NS/CDs@MSN (0.5 mg mL-1), CD@MSN (25 mg mL-1), and MSN (50 mg mL-1), respectively. Immobilization of NS/CDs@MSN in polyvinyl alcohol (PVA) hydrogel was performed and its effect on antimicrobial activity, biofilm controlling efficiency, and cytotoxicity toward fibroblast (NIH/3 T3 and L-929) cells was additionally studied for further biomedical applications. The results demonstrated that 0.40 M NS/CDs-MSN@PVA hydrogel exhibited the highest inhibitory effect on S. aureus > P. aeruginosa > E. coli. In addition, MTT assay revealed some degree of toxicity of 0.40 M NS/CDs-MSN@PVA hydrogel against L-929 cells by a slight reduction of cell viability from 100% to 81.6% when incubated in the extract from 0.40 M NS/CDs-MSN@PVA hydrogel, while no toxicity of the same hydrogel extract was detected toward NIH/3 T3 cells.
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Affiliation(s)
- Pisut Pongchaikul
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakarn 10540, Thailand
| | - Tasnim Hajidariyor
- Department of Chemical Engineering, Faculty of Engineering, Mahidol University, 25/25 Putthamonthon 4 Road, Salaya, Putthamonthon, Nakhon Pathom 73170, Thailand
| | - Navarat Khetlai
- Department of Chemical Engineering, Faculty of Engineering, Mahidol University, 25/25 Putthamonthon 4 Road, Salaya, Putthamonthon, Nakhon Pathom 73170, Thailand
| | - Yu-Sheng Yu
- Department of Chemical Engineering, National Taiwan University, No.1, Sec.4 Roosevelt Road, Taipei 10617, Taiwan
| | - Pariyapat Arjfuk
- Chakri Naruebodindra Medical Institute, Faculty of Medicine Ramathibodi Hospital, Mahidol University, Samut Prakarn 10540, Thailand
| | - Pongtanawat Khemthong
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand
| | - Wanwitoo Wanmolee
- National Nanotechnology Center (NANOTEC), National Science and Technology Development Agency (NSTDA), Pathum Thani 12120, Thailand
| | - Pattaraporn Posoknistakul
- Department of Chemical Engineering, Faculty of Engineering, Mahidol University, 25/25 Putthamonthon 4 Road, Salaya, Putthamonthon, Nakhon Pathom 73170, Thailand
| | - Navadol Laosiripojana
- The Joint Graduate School of Energy and Environment, King Mongkut's University of Technology Thonburi, 126 Pracha Uthit Road, Bang Mot, Thung Khru, Bangkok 10140, Thailand
| | - Kevin C.-W. Wu
- Department of Chemical Engineering, National Taiwan University, No.1, Sec.4 Roosevelt Road, Taipei 10617, Taiwan
- Department of Chemical Engineering and Materials Science, Yuan Ze University, Chung-Li, Taoyuan, Taiwan
- International Graduate Program of Molecular Science and Technology, National Taiwan University (NTU-MST), Taipei 10617, Taiwan
- National Health Research Institute, Zhunan: 35, Keyan Road, Zhunan Town, Miaoli County 350, Taiwan
| | - Chularat Sakdaronnarong
- Department of Chemical Engineering, Faculty of Engineering, Mahidol University, 25/25 Putthamonthon 4 Road, Salaya, Putthamonthon, Nakhon Pathom 73170, Thailand
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Gebretatios AG, Kadiri Kanakka Pillantakath AR, Witoon T, Lim JW, Banat F, Cheng CK. Rice husk waste into various template-engineered mesoporous silica materials for different applications: A comprehensive review on recent developments. CHEMOSPHERE 2023; 310:136843. [PMID: 36243081 DOI: 10.1016/j.chemosphere.2022.136843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Revised: 09/30/2022] [Accepted: 10/07/2022] [Indexed: 06/16/2023]
Abstract
Following the discovery of Stöber silica, the realm of morphology-controlled mesoporous silica nanomaterials like MCM-41, SBA-15, and KCC-1 has been expanded. Due to their high BET surface area, tunable pores, easiness of functionalization, and excellent thermal and chemical stability, these materials take part a vital role in the advancement of techniques and technologies for tackling the world's largest challenges in the area of water and the environment, energy storage, and biotechnology. Synthesizing these materials with excellent physicochemical properties from cost-efficient biomass wastes is a foremost model of sustainability. Particularly, SiO2 with a purity >98% can be obtained from rice husk (RH), one of the most abundant biomass wastes, and can be template engineered into various forms of mesoporous silica materials in an economic and eco-friendly way. Hence, this review initially gives insight into why to valorize RH into value-added silica materials. Then the thermal, chemical, hydrothermal, and biological methods of high-quality silica extraction from RH and the principles of synthesis of mesoporous and fibrous mesoporous silica materials like SBA-15, MCM-41, MSNs, and KCC-1 are comprehensively discussed. The potential applications of rice husk-derived mesoporous silica materials in catalysis, drug delivery, energy, adsorption, and environmental remediation are explored. Finally, the conclusion and the future outlook are briefly highlighted.
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Affiliation(s)
- Amanuel Gidey Gebretatios
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Abdul Rasheed Kadiri Kanakka Pillantakath
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Center for Catalysis and Separation (CeCaS), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Thongthai Witoon
- Department of Chemical Engineering, Faculty of Engineering, Kasetsart University, 50 Ngamwongwan Rd., Ladyao, Jatujak Bangkok, 10900, Thailand
| | - Jun-Wei Lim
- Department of Fundamental and Applied Sciences, Universiti Teknologi PETRONAS, 32610 Seri Iskandar, Perak Darul Ridzuan, Malaysia
| | - Fawzi Banat
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates
| | - Chin Kui Cheng
- Department of Chemical Engineering, Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates; Center for Catalysis and Separation (CeCaS), Khalifa University of Science and Technology, P.O. Box 127788, Abu Dhabi, United Arab Emirates.
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6
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Tanweer MS, Iqbal Z, Alam M. Experimental Insights into Mesoporous Polyaniline-Based Nanocomposites for Anionic and Cationic Dye Removal. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2022; 38:8837-8853. [PMID: 35816402 DOI: 10.1021/acs.langmuir.2c00889] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
This work presents the preparation of inorganic-organic hybrid nanocomposites, namely three-dimensional polyaniline (Pani)/activated silica gel (ASG) (3D Pani@ASG), their characterization, and in removing application as a potential adsorbent for cationic brilliant green (BG), crystal violet (CV), and anionic Congo red (CR), and methyl orange (MO) dyes. Pani@ASG nanocomposites have been prepared by the in situ polymerization method and characterized using various techniques such as Fourier transform infrared (FTIR), X-ray diffraction (XRD), field-emission scanning electron microscopy (FESEM), transmission electron microscopy (TEM) with selected area electron diffraction, thermogravimetric analysis with derivative thermogravimetry, zeta potential analyses, and Brunauer-Emmett-Teller (BET). The scanning electron microscopy (SEM) study confirms the average particle size of the Pani@ASG nanocomposite is in the range of 5 nm. FESEM, TEM, FTIR, and XRD analysis proved the successful decoration of ASG over Pani. The BET result of Pani@ASG shows a mesoporous nature with a pore diameter of less than 3 nm and a surface area of 423.90 m2 g-1. Both SEM and TEM analyses show the proportional distribution of ASG over Pani's surface. The adsorption trend of BG and MO on the studied materials at pH 7 was found as follows: Pani@ASG > Pani > ASG. The highest sorption capacities of MO and BG on Pani@ASG were 161.29 and 136.98 mg/g (T = 298.15 K, and Pani@ASG dose: 0.04 g for MO and 0.06 g for BG), which were greater compared with bare Pani and bare ASG, respectively. The interaction mechanism behind the adsorption of BG and MO dyes onto the Pani@ASG nanocomposite includes electrostatic interaction, π-π interaction, and hydrogen bonding. The mechanistic pathway and the interactions between the targeted dyes and Pani@ASG were further studied using adsorption isotherm, adsorption kinetics, and thermodynamics.
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Affiliation(s)
- Mohd Saquib Tanweer
- Environmental Science Research Lab, Department of Applied Sciences and Humanities, Faculty of Engineering and Technology, Jamia Millia Islamia, New Delhi 110025, India
| | - Zafar Iqbal
- Environmental Science Research Lab, Department of Applied Sciences and Humanities, Faculty of Engineering and Technology, Jamia Millia Islamia, New Delhi 110025, India
| | - Masood Alam
- Environmental Science Research Lab, Department of Applied Sciences and Humanities, Faculty of Engineering and Technology, Jamia Millia Islamia, New Delhi 110025, India
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Kumarage S, Munaweera I, Kottegoda N. Contemporary, Multidisciplinary Roles of Mesoporous Silica Nanohybrids/Nanocomposites. ChemistrySelect 2022. [DOI: 10.1002/slct.202200574] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Senuri Kumarage
- Department of Chemistry Faculty of Applied Sciences University of Sri Jayewardenepura Gangodawila Nugegoda Sri Lanka
| | - Imalka Munaweera
- Department of Chemistry Faculty of Applied Sciences University of Sri Jayewardenepura Gangodawila Nugegoda Sri Lanka
| | - Nilwala Kottegoda
- Department of Chemistry Faculty of Applied Sciences University of Sri Jayewardenepura Gangodawila Nugegoda Sri Lanka
- Centre for Advanced Materials Research (CAMR) Faculty of Applied Sciences University of Sri Jayewardenepura Gangodawila Nugegoda Sri Lanka
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Omidi R, Alizadeh P, Soltani M. Poly (amido amine) G5 modified mesoporous silica-based pH-responsive drug-delivery system for tetracycline and ibuprofen. INT J POLYM MATER PO 2022. [DOI: 10.1080/00914037.2022.2071270] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
Affiliation(s)
- Roya Omidi
- Department of Materials Science and Engineering, Tarbiat Modares University, Tehran, Iran
| | - Parvin Alizadeh
- Department of Materials Science and Engineering, Tarbiat Modares University, Tehran, Iran
| | - Mohammad Soltani
- Department of Materials Science and Engineering, Tarbiat Modares University, Tehran, Iran
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Nayl AA, Abd-Elhamid AI, Aly AA, Bräse S. Recent progress in the applications of silica-based nanoparticles. RSC Adv 2022; 12:13706-13726. [PMID: 35530394 PMCID: PMC9073631 DOI: 10.1039/d2ra01587k] [Citation(s) in RCA: 32] [Impact Index Per Article: 16.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2022] [Accepted: 04/20/2022] [Indexed: 12/12/2022] Open
Abstract
Functionalized silica nanoparticles (SiO2 NPs) have attracted great attention due to their promising distinctive, versatile, and privileged physiochemical characteristics. These enhanced properties make this type of functionalized nanoparticles particularly appropriate for different applications. A lack of reviews that summarizes the fabrications of such nanomaterials and their different applications in the same work has been observed in the literature. Therefore, in this work, we will discuss the recent signs of progress in the fabrication of functionalized silica nanoparticles and their attractive applications that have been extensively highlighted (advanced catalysis, drug-delivery, biomedical applications, environmental remediation applications, and wastewater treatment). These applications have been selected for demonstrating the role of the surface modification step on the various properties of the silica surface. In addition, the current challenges in the applications of functionalized silica nanoparticles and corresponding strategies to discuss these issues and future perspectives for additional improvement have been addressed.
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Affiliation(s)
- A A Nayl
- Department of Chemistry, College of Science, Jouf University Sakaka Aljouf 72341 Saudi Arabia
| | - A I Abd-Elhamid
- Composites and Nanostructured Materials Research Department, Advanced Technology and New Materials Research Institute, City of Scientific Research and Technological Applications (SRTA-City) New Borg Al-Arab Alexandria 21934 Egypt
| | - Ashraf A Aly
- Chemistry Department, Faculty of Science, Organic Division, Minia University 61519-El-Minia Egypt
| | - Stefan Bräse
- Institute of Organic Chemistry (IOC), Karlsruhe Institute of Technology (KIT) Fritz-Haber-Weg 6 76133 Karlsruhe Germany
- Institute of Biological and Chemical Systems - Functional Molecular Systems (IBCS-FMS), Director Hermann-von-Helmholtz-Platz 1 Eggenstein-Leopoldshafen D-76344 Germany
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Study of the catalytic activity of multilayer graphene (MLG), molybdenum oxide (MoO2), and manganese ferrite (MnFe2O4) on the melanoidin removal by ozonation process. BRAZILIAN JOURNAL OF CHEMICAL ENGINEERING 2021. [DOI: 10.1007/s43153-021-00198-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Insights into the Biosynthesis of Nanoparticles by the Genus Shewanella. Appl Environ Microbiol 2021; 87:e0139021. [PMID: 34495739 DOI: 10.1128/aem.01390-21] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
The exploitation of microorganisms for the fabrication of nanoparticles (NPs) has garnered considerable research interest globally. The microbiological transformation of metals and metal salts into respective NPs can be achieved under environmentally benign conditions, offering a more sustainable alternative to chemical synthesis methods. Species of the metal-reducing bacterial genus Shewanella are able to couple the oxidation of various electron donors, including lactate, pyruvate, and hydrogen, to the reduction of a wide range of metal species, resulting in biomineralization of a multitude of metal NPs. Single-metal-based NPs as well as composite materials with properties equivalent or even superior to physically and chemically produced NPs have been synthesized by a number of Shewanella species. A mechanistic understanding of electron transfer-mediated bioreduction of metals into respective NPs by Shewanella is crucial in maximizing NP yields and directing the synthesis to produce fine-tuned NPs with tailored properties. In addition, thorough investigations into the influence of process parameters controlling the biosynthesis is another focal point for optimizing the process of NP generation. Synthesis of metal-based NPs using Shewanella species offers a low-cost, eco-friendly alternative to current physiochemical methods. This article aims to shed light on the contribution of Shewanella as a model organism in the biosynthesis of a variety of NPs and critically reviews the current state of knowledge on factors controlling their synthesis, characterization, potential applications in different sectors, and future prospects.
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Shahid M, Bashir S, Habib A, Jamil A, Afzal A, Iqbal N. Fabrication of Silica‐Supported Al‐Doped ZnO and Its Use in the Elimination of the Toxic Organic Ingredients from Industrial Effluents. ChemistrySelect 2021. [DOI: 10.1002/slct.202102291] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Muhammad Shahid
- Department of Chemistry, College of Science University of Hafr Al Batin P.O.Box 1803, Hafr Al Batin, 31991 Saudi Arabia
| | - Sheraz Bashir
- Department of Chemical Engineering College of Engineering University of Hafr Al Batin P.O.Box 1803 Hafr Al Batin 31991 Saudi Arabia
| | - Amir Habib
- Department of Physics, College of Science University of Hafr Al Batin P.O.Box 1803, Hafr Al Batin, 31991 Saudi Arabia
| | - Akmal Jamil
- Department of Chemistry, College of Science University of Hafr Al Batin P.O.Box 1803, Hafr Al Batin, 31991 Saudi Arabia
| | - Adeel Afzal
- Department of Chemistry, College of Science University of Hafr Al Batin P.O.Box 1803, Hafr Al Batin, 31991 Saudi Arabia
| | - Naseer Iqbal
- Department of Chemistry, College of Science University of Hafr Al Batin P.O.Box 1803, Hafr Al Batin, 31991 Saudi Arabia
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Zanella HG, Spessato L, Lopes GK, Yokoyama JT, Silva MC, Souza PS, Ronix A, Cazetta AL, Almeida VC. Caffeine adsorption on activated biochar derived from macrophytes (Eichornia crassipes). J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117206] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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Viana T, Henriques B, Ferreira N, Lopes C, Tavares D, Fabre E, Carvalho L, Pinheiro-Torres J, Pereira E. Sustainable recovery of neodymium and dysprosium from waters through seaweeds: Influence of operational parameters. CHEMOSPHERE 2021; 280:130600. [PMID: 33940453 DOI: 10.1016/j.chemosphere.2021.130600] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Revised: 03/31/2021] [Accepted: 04/12/2021] [Indexed: 06/12/2023]
Abstract
The high demand for greener energy and technological innovation require some crucial elements, such as the rare earths Nd and Dy. Being considered two of the most critical elements (high supply risk), it is vital to recover them from wastes/wastewaters, for later reuse. Here, the influence of operational parameters, such as biosorbent stock density (0.5, 3.0, and 5.5 g L-1), ionic strength (salinity 10 and 30) and contact time (24, 72 and 168 h), in the biosorption/bioaccumulation of Nd and Dy by two living marine macroalgae was evaluated in artificial seawater, seeking the improvement of the process. Results demonstrated that stock density is the most influential parameter, while the ionic strength showed to be a selective parameter, with a major influence only for Dy removal, which can be attributed to the different chemical characteristics observed between light rare earth elements (LREE) and heavy rare earth elements (HREE). For the ranges studied, the greatest removal/recovery for Gracilaria sp. was achieved with a stock density of 3.0 g L-1 at salinity 10, after 72 h for both REEs. For Ulva lactuca optimal conditions were: stock density of 5.5 g L-1 at salinity 10 with a contact time of 72 h for both REEs. Between species, U. lactuca showed to be the most promising, with removal efficiencies up to 98% for Nd and 89% for Dy. Findings substantiate the potential of the proposed process for obtaining Nd and Dy from secondary sources, particularly from low-level contaminated waters.
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Affiliation(s)
- Thainara Viana
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Bruno Henriques
- Department of Chemistry, University of Aveiro, Aveiro, Portugal; LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, University of Aveiro, Aveiro, Portugal.
| | - Nicole Ferreira
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Cláudia Lopes
- CICECO - Aveiro Institute of Materials, University of Aveiro, Aveiro, Portugal
| | - Daniela Tavares
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Elaine Fabre
- Department of Chemistry, University of Aveiro, Aveiro, Portugal
| | - Lina Carvalho
- LCA - Central Laboratory of Analysis, University of Aveiro, Aveiro, Portugal
| | | | - Eduarda Pereira
- Department of Chemistry, University of Aveiro, Aveiro, Portugal; LAQV-REQUIMTE - Associated Laboratory for Green Chemistry, University of Aveiro, Aveiro, Portugal; LCA - Central Laboratory of Analysis, University of Aveiro, Aveiro, Portugal
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15
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Han X, Wang Y, Zhang N, Meng J, Li Y, Liang J. Facile synthesis of mesoporous silica derived from iron ore tailings for efficient adsorption of methylene blue. Colloids Surf A Physicochem Eng Asp 2021. [DOI: 10.1016/j.colsurfa.2021.126391] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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16
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Touqeer M, Baig MM, Aadil M, Agboola PO, Shakir I, Aboud MFA, Warsi MF. New Co-MnO based Nanocrsytallite for photocatalysis studies driven by visible light. JOURNAL OF TAIBAH UNIVERSITY FOR SCIENCE 2020. [DOI: 10.1080/16583655.2020.1846966] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
| | - Mirza Mahmood Baig
- Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Muhammad Aadil
- Department of Chemistry, The Islamia University of Bahawalpur, Bahawalpur, Pakistan
| | - Philips O. Agboola
- College of Engineering Al-Muzahmia Branch, King Saud University, Riyadh, Saudi Arabia
| | - Imran Shakir
- Sustainable Energy Technologies (SET) Center, College of Engineering, King Saud University, Riyadh, Saudi Arabia
| | - Mohamed F. Aly Aboud
- Sustainable Energy Technologies (SET) Center, College of Engineering, King Saud University, Riyadh, Saudi Arabia
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17
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Hasan I, BinSharfan II, Khan RA, Alsalme A. L-Ascorbic Acid-g-Polyaniline Mesoporous Silica Nanocomposite for Efficient Removal of Crystal Violet: A Batch and Fixed Bed Breakthrough Studies. NANOMATERIALS (BASEL, SWITZERLAND) 2020; 10:E2402. [PMID: 33266260 PMCID: PMC7760523 DOI: 10.3390/nano10122402] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/25/2020] [Revised: 11/20/2020] [Accepted: 11/27/2020] [Indexed: 01/14/2023]
Abstract
In the present study, mesoporous silica nanoparticles (MSNs) synthesized through sol-gel process and calcined at 600 °C were further surface functionalized by a copolymer chain of L-ascorbic acid (AS) and polyaniline (PAni) by in situ free radical oxidative polymerization reaction. The surface modification of MSNs by AS-g-PAni was confirmed by using various analytical techniques, namely FTIR, XRD, SEM-EDX, TEM and AFM. The composition of AS-g-PAni@MS was found to be composed of C (52.53%), N (20.30%), O (25.69%) and Si (1.49%), with 26.42 nm as the particle size. Further, it was applied for the adsorption of crystal violet (CV) dye under batch, as well as fixed bed method. RSM-BBD was taken into consideration, to optimize the various operational parameters effecting the adsorption through batch method. To explore maximum efficiency of the material, it was further subjected to adsorption of CV under fixed bed method, using the variable bed heights of 3.7, 5.4 and 8.1 cm. Based on high value of regression coefficient (R2) and low value of RMSE given as (0.99, 0.02) for 3.7 cm, (0.99, 0.03), the breakthrough data were very well defined by the Thomas model, with optimum concurrence of stoichiometric adsorption capacity values. The external mass transfer equilibrium data were well fitted by the Langmuir model, with maximum monolayer adsorption capacity of 88.42 mg g-1 at 303K, 92.51 mg g-1 at 313 K, 107.41 mg g-1 at 313 K and 113.25 mg g-1 at 333 K. The uptake of CV by AS-g-PAni@MS was well defined by pseudo second order model with rate constant K2 = 0.003 L mg-1 min-1 for 50 and 0.003 L mg-1 min-1 for 60 mg L-1 CV. The adsorption reaction was endothermic with enthalpy (ΔH) value of 3.62 KJ mol-1 and highly efficient for treatment of CV-contaminated water for more the five consecutive cycles.
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Affiliation(s)
- Imran Hasan
- Environmental Research Laboratory, Department of Chemistry, Chandigarh University, Gharuan, Mohali, Punjab 140301, India;
| | - Ibtisam I. BinSharfan
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (I.I.B.); (R.A.K.)
| | - Rais Ahmad Khan
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (I.I.B.); (R.A.K.)
| | - Ali Alsalme
- Department of Chemistry, College of Science, King Saud University, Riyadh 11451, Saudi Arabia; (I.I.B.); (R.A.K.)
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