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Vicente RA, Raju SP, Gomes HVN, Neckel IT, Tolentino HCN, Fernández PS. Development of Electrochemical Cells and Their Application for Spatially Resolved Analysis Using a Multitechnique Approach: From Conventional Experiments to X-Ray Nanoprobe Beamlines. Anal Chem 2023; 95:16144-16152. [PMID: 37883715 DOI: 10.1021/acs.analchem.3c02695] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2023]
Abstract
Real (electro)catalysts are often heterogeneous, and their activity and selectivity depend on the properties of specific active sites. Therefore, unveiling the so-called structure-activity relationship is essential for a rational search for better materials and, consequently, for the development of the field of (electro-)catalysis. Thus, spatially resolved techniques are powerful tools as they allow us to characterize and/or measure the activity and selectivity of different regions of heterogeneous catalysts. To take full advantage of that, we have developed spectroelectrochemical cells to perform spatially resolved analysis using X-ray nanoprobe synchrotron beamlines and conventional pieces of equipment. Here, we describe the techniques available at the Carnaúba beamline at the Sirius-LNLS storage ring, and then we show how our cells enable obtaining X-ray (XRF, XRD, XAS, etc.) and vibrational spectroscopy (FTIR and Raman) contrast images. Through some proof-of-concept experiments, we demonstrate how using a multi-technique approach could render a complete and detailed analysis of an (electro)catalyst overall performance.
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Affiliation(s)
- Rafael Alcides Vicente
- Department of Physical-Chemistry, Universidade Estadual de Campinas (UNICAMP), R. Josué de Castro, s/n, Cidade Universitária, Campinas 13083-872, Brazil
- Center for Innovation on New Energies (CINE), R. Michel Debrun, s/n, Prédio Amarelo, Campinas 13083-084, Brazil
| | - Swathi Patchaiammal Raju
- Department of Physical-Chemistry, Universidade Estadual de Campinas (UNICAMP), R. Josué de Castro, s/n, Cidade Universitária, Campinas 13083-872, Brazil
- Center for Innovation on New Energies (CINE), R. Michel Debrun, s/n, Prédio Amarelo, Campinas 13083-084, Brazil
| | - Heloisa Vampré Nascimento Gomes
- Department of Physical-Chemistry, Universidade Estadual de Campinas (UNICAMP), R. Josué de Castro, s/n, Cidade Universitária, Campinas 13083-872, Brazil
- Center for Innovation on New Energies (CINE), R. Michel Debrun, s/n, Prédio Amarelo, Campinas 13083-084, Brazil
| | - Itamar Tomio Neckel
- Brazilian Synchrotron Light Laboratory (LNLS), Brazilian Center for Research in Energy and Materials (CNPEM), R. Giuseppe Máximo Scolfaro, 10000 - Bosque das Palmeiras, Campinas 13083-970, Brazil
| | - Hélio Cesar Nogueira Tolentino
- Brazilian Synchrotron Light Laboratory (LNLS), Brazilian Center for Research in Energy and Materials (CNPEM), R. Giuseppe Máximo Scolfaro, 10000 - Bosque das Palmeiras, Campinas 13083-970, Brazil
| | - Pablo Sebastián Fernández
- Department of Physical-Chemistry, Universidade Estadual de Campinas (UNICAMP), R. Josué de Castro, s/n, Cidade Universitária, Campinas 13083-872, Brazil
- Center for Innovation on New Energies (CINE), R. Michel Debrun, s/n, Prédio Amarelo, Campinas 13083-084, Brazil
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2
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Talodthaisong C, Sangiamkittikul P, Chongwichai P, Saenchoopa A, Thammawithan S, Patramanon R, Kosolwattana S, Kulchat S. Highly Selective Colorimetric Sensor of Mercury(II) Ions by Andrographolide-Stabilized Silver Nanoparticles in Water and Antibacterial Evaluation. ACS OMEGA 2023; 8:41134-41144. [PMID: 37970038 PMCID: PMC10633854 DOI: 10.1021/acsomega.3c03789] [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: 05/30/2023] [Accepted: 10/03/2023] [Indexed: 11/17/2023]
Abstract
Silver nanoparticles (AgNPs) are well known for their exceptional properties and versatility in various applications. This study used andrographolide as a biochemical stabilizer to synthesize AgNPs (andro-AgNPs). The andro-AgNPs were characterized by using UV-vis spectroscopy, revealing a surface plasmon resonance peak at 440 nm. Fourier transform infrared spectroscopy was also used to confirm the presence of AgNPs. Transmission electron microscopy was used to investigate the morphology of andro-AgNPs, which showed a spherical shape with an average diameter of 18.30 ± 5.57 nm (n = 205). Andro-AgNPs were utilized as a colorimetric sensor to detect mercury ions (Hg2+) in water, and the optimized detection conditions were evaluated using UV-vis spectroscopy with a linear range of 15-120 μM. The limit of detection and the limit of quantification for Hg2+ detection were found to be 11.15 and 37.15 μM, respectively. Furthermore, andro-AgNPs exhibited antibacterial properties against both Gram-positive (Staphylococcus aureus) and Gram-negative (Escherichia coli) bacteria. The results imply that andro-AgNPs hold promising potential for future biomedical applications.
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Affiliation(s)
- Chanon Talodthaisong
- Department
of Chemistry, Faculty of Science, Khon Kaen
University, Khon Kaen 40002, Thailand
- Materials
Chemistry Research Center, Department of Chemistry and Center of Excellence
for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | | | - Panupong Chongwichai
- Department
of Chemistry, Faculty of Science, Khon Kaen
University, Khon Kaen 40002, Thailand
| | - Apichart Saenchoopa
- Department
of Chemistry, Faculty of Science, Khon Kaen
University, Khon Kaen 40002, Thailand
- Materials
Chemistry Research Center, Department of Chemistry and Center of Excellence
for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Saengrawee Thammawithan
- Department
of Biochemistry, Faculty of Science, Khon
Kaen University, Khon Kaen 40002, Thailand
| | - Rina Patramanon
- Department
of Biochemistry, Faculty of Science, Khon
Kaen University, Khon Kaen 40002, Thailand
| | - Suppanat Kosolwattana
- Department
of Chemistry, Faculty of Science, Khon Kaen
University, Khon Kaen 40002, Thailand
- Materials
Chemistry Research Center, Department of Chemistry and Center of Excellence
for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sirinan Kulchat
- Department
of Chemistry, Faculty of Science, Khon Kaen
University, Khon Kaen 40002, Thailand
- Materials
Chemistry Research Center, Department of Chemistry and Center of Excellence
for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
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3
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Bhattacharya S, Gupta S, Saha J. Nanoparticles regulate redox metabolism in plants during abiotic stress within hormetic boundaries. FUNCTIONAL PLANT BIOLOGY : FPB 2023; 50:850-869. [PMID: 37757867 DOI: 10.1071/fp23068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/13/2023] [Accepted: 09/05/2023] [Indexed: 09/29/2023]
Abstract
Abiotic stress management remains under scrutiny because of the unpredictable nature of climate, which undergoes abrupt alterations. Population pressure, loss of cultivable lands, environmental pollution and other anthropogenic disturbances add to the problem and grossly hinder ongoing management strategies. This has driven increasing effort to find better performing, eco-friendly and reliable alternatives that can contribute to sustainable agricultural practices to manage abiotic stress. Nanotechnology and its implementation in agriculture have emerged as a promising option to cater to the problem of abiotic stress. Induction of reactive oxygen species (ROS) is an inevitable phenomenon linked to stress. Nanoparticles (NPs) perform dual actions in regulating ROS biology. The bidirectional roles of NPs in modulating ROS generation and/or ROS detoxification is tightly coupled within the hormetic boundaries. Nonetheless, how these NPs control the ROS metabolism within hormetic limits demands extensive investigation. This review focuses on the details of ROS metabolism under normal versus stressed conditions. It shall elaborate on the types, modes and process of uptake and translocation of NPs. The molecular dissection of the role of NPs in controlling transcriptomic expressions and modulating molecular crosstalks with other growth regulators, ions, reactive nitrogen species and other signalling molecules shall also be detailed. Throughout, this review aims to summarise the potential roles and regulation of NPs and consider how they can be used for green synthesis within a sustainable agricultural industry.
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Affiliation(s)
- Saswati Bhattacharya
- Department of Botany, Dr. A.P.J. Abdul Kalam Government College, New Town, Rajarhat, India
| | - Sumanti Gupta
- Department of Botany, Rabindra Mahavidyalaya, Champadanga, Hooghly, West Bengal, India
| | - Jayita Saha
- Department of Botany, Rabindra Mahavidyalaya, Champadanga, Hooghly, West Bengal, India
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Rudel HE, Zimmerman JB. Elucidating the Role of Capping Agents in Facet-Dependent Adsorption Performance of Hematite Nanostructures. ACS APPLIED MATERIALS & INTERFACES 2023; 15:34829-34837. [PMID: 37441746 PMCID: PMC10502695 DOI: 10.1021/acsami.3c05104] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/15/2023]
Abstract
Organic capping agents are a ubiquitous and crucial part of preparing reproducible and homogeneous batches of nanomaterials, particularly nanocrystals with well-defined facets. Despite studies reporting surface ligands (e.g., capping agents) having a non-negligible role in catalytic behavior, their impact is less understood in contaminant adsorption, an important consideration given their potential to obfuscate facet-dependent trends in performance. To ascribe observed behaviors to the facet or the ligand, this report evaluates the impact of poly(N-vinyl-2-pyrrolidone) (PVP), a commonly utilized capping agent, on the adsorption performance of nanohematite particles of varying prevailing facet in the removal of selenite (Se(IV)) as a model system. The PVP capping agent reduces the available surface area for contaminant binding, thus resulting in a reduction in overall Se(IV) adsorbed. However, accounting for the effects of surface area, {012}-faceted nanohematite demonstrates a significantly higher sorption capacity for Se(IV) compared with that of {001}-faceted nanohematite. Notably, chemical treatment is minimally effective in removing strongly bound PVP, indicating that complete removal of surface ligands remains challenging.
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Affiliation(s)
- Holly E. Rudel
- Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06511
- Center for Green Chemistry and Green Engineering, Yale University, New Haven, CT 06511
| | - Julie B. Zimmerman
- Department of Chemical and Environmental Engineering, Yale University, New Haven, CT 06511
- Center for Green Chemistry and Green Engineering, Yale University, New Haven, CT 06511
- School of the Environment, Yale University, New Haven, CT 06511
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Pal N, Chakraborty D, Cho EB, Seo JG. Recent Developments on the Catalytic and Biosensing Applications of Porous Nanomaterials. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:2184. [PMID: 37570502 PMCID: PMC10420944 DOI: 10.3390/nano13152184] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2023] [Revised: 07/19/2023] [Accepted: 07/19/2023] [Indexed: 08/13/2023]
Abstract
Nanoscopic materials have demonstrated a versatile role in almost every emerging field of research. Nanomaterials have come to be one of the most important fields of advanced research today due to its controllable particle size in the nanoscale range, capacity to adopt diverse forms and morphologies, high surface area, and involvement of transition and non-transition metals. With the introduction of porosity, nanomaterials have become a more promising candidate than their bulk counterparts in catalysis, biomedicine, drug delivery, and other areas. This review intends to compile a self-contained set of papers related to new synthesis methods and versatile applications of porous nanomaterials that can give a realistic picture of current state-of-the-art research, especially for catalysis and sensor area. Especially, we cover various surface functionalization strategies by improving accessibility and mass transfer limitation of catalytic applications for wide variety of materials, including organic and inorganic materials (metals/metal oxides) with covalent porous organic (COFs) and inorganic (silica/carbon) frameworks, constituting solid backgrounds on porous materials.
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Affiliation(s)
- Nabanita Pal
- Department of Physics and Chemistry, Mahatma Gandhi Institute of Technology, Gandipet, Hyderabad 500075, India;
| | - Debabrata Chakraborty
- Institute for Applied Chemistry, Department of Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea;
| | - Eun-Bum Cho
- Institute for Applied Chemistry, Department of Fine Chemistry, Seoul National University of Science and Technology, Seoul 01811, Republic of Korea;
| | - Jeong Gil Seo
- Department of Chemical Engineering, Hanyang University, Seoul 04763, Republic of Korea
- Clean-Energy Research Institute, Hanyang University, Seoul 04763, Republic of Korea
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Dohendou M, Dekamin MG, Namaki D. Supramolecular Pd@methioine-EDTA-chitosan nanocomposite: an effective and recyclable bio-based and eco-friendly catalyst for the green Heck cross-coupling reaction under mild conditions. NANOSCALE ADVANCES 2023; 5:3463-3484. [PMID: 37383074 PMCID: PMC10295217 DOI: 10.1039/d3na00157a] [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: 03/12/2023] [Accepted: 05/22/2023] [Indexed: 06/30/2023]
Abstract
Supramolecular palladium(ii) supported on modified chitosan by dl-methionine using an ethylenediaminetetraacetic acid linker (Pd@MET-EDTA-CS) was designed and prepared through a simple procedure. The structure of this novel supramolecular nanocomposite was characterized by different spectroscopic, microscopic and analytical techniques including FTIR, EDX, XRD, FESEM, TGA, DRS, TEM, AA, and BET. The obtained bio-based nanomaterial was successfully investigated, as a highly efficient and green heterogeneous catalyst, in the Heck cross-coupling reaction (HCR) for the synthesis of various valuable biologically active cinnamic acid ester derivatives from the corresponding aryl halides using several acrylates. Indeed, aryl halides containing I or Br survived very well under optimized conditions to afford the corresponding products compared to the substrates with Cl. The prepared Pd@MET-EDTA-CS nanocatalyst promoted the HCR in high to excellent yields and short reaction times with minimum Pd loading (0.0027 mol%) on its structure as well as without any leaching occurring during the process. The recovery of the catalyst was performed by simple filtration and the catalytic activity remained approximately constant after five runs for the model reaction.
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Affiliation(s)
- Mohammad Dohendou
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Mohammad G Dekamin
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
| | - Danial Namaki
- Pharmaceutical and Heterocyclic Compounds Research Laboratory, Department of Chemistry, Iran University of Science and Technology Tehran 16846-13114 Iran
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Dohendou M, Dekamin MG, Namaki D. Pd@l-asparagine-EDTA-chitosan: a highly effective and reusable bio-based and biodegradable catalyst for the Heck cross-coupling reaction under mild conditions. NANOSCALE ADVANCES 2023; 5:2621-2638. [PMID: 37143802 PMCID: PMC10153479 DOI: 10.1039/d3na00058c] [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: 01/25/2023] [Accepted: 03/17/2023] [Indexed: 05/06/2023]
Abstract
In this research, a novel supramolecular Pd(ii) catalyst supported on chitosan grafted by l-asparagine and an EDTA linker, named Pd@ASP-EDTA-CS, was prepared for the first time. The structure of the obtained multifunctional Pd@ASP-EDTA-CS nanocomposite was appropriately characterized by various spectroscopic, microscopic, and analytical techniques, including FTIR, EDX, XRD, FESEM, TGA, DRS, and BET. The Pd@ASP-EDTA-CS nanomaterial was successfully employed, as a heterogeneous catalytic system, in the Heck cross-coupling reaction (HCR) to afford various valuable biologically-active cinnamic acid derivatives in good to excellent yields. Different aryl halides containing I, Br and even Cl were used in HCR with various acrylates for the synthesis of corresponding cinnamic acid ester derivatives. The catalyst shows a variety of advantages including high catalytic activity, excellent thermal stability, easy recovery by simple filtration, more than five cycles of reusability with no significant decrease in its efficacy, biodegradability, and excellent results in the HCR using low-loaded Pd on the support. In addition, no leaching of Pd into the reaction medium and the final products was observed.
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Affiliation(s)
- Mohammad Dohendou
- Department of Chemistry, Pharmaceutical and Heterocyclic Compounds Research Laboratory, Iran University of Science and Technology Iran
| | - Mohammad G Dekamin
- Department of Chemistry, Pharmaceutical and Heterocyclic Compounds Research Laboratory, Iran University of Science and Technology Iran
| | - Danial Namaki
- Department of Chemistry, Pharmaceutical and Heterocyclic Compounds Research Laboratory, Iran University of Science and Technology Iran
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8
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Marquis E, Benini F, Anasori B, Rosenkranz A, Righi MC. Effect of vacancies and edges in promoting water chemisorption on titanium-based MXenes. NANO CONVERGENCE 2023; 10:16. [PMID: 37005935 PMCID: PMC10067785 DOI: 10.1186/s40580-023-00364-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/23/2022] [Accepted: 03/16/2023] [Indexed: 06/19/2023]
Abstract
The functionality of two-dimensional (2D) transition metal carbides and nitrides (MXenes) in technological applications greatly depends on their wettability. For instance, MXenes' layer stability against degradative oxidation is notably reduced when stored in aqueous solutions, leading to the transformation into oxides. In this work, we study water adsorption on Ti-based MXenes by ab initio calculations. The energy gains for the molecular adsorption on Tin+1XnT2 is evaluated as a function of the termination (T = F, O, OH, mixture), the carbon/nitrogen ratio (X = C, N), the layer thickness (n) and water coverage. MXenes' hydrophilicity tends to increase due to the presence of defects as vacancies and flake edges. We demonstrate that physical adsorption occurs through hydrogen bonding on both defect-free layers and layers containing C/N or Ti atomic vacancies, with -OH terminations providing the strongest interactions (0.40-0.65 eV). In contrast, strong water chemisorption is observed on surfaces with a single termination vacancy (0.60-1.20 eV), edges (0.75-0.85 eV), and clusters of defects (1.00-1.80 eV). We verified that the presence of undercoordinated Ti atoms on the surface is the key factor in promoting H2O chemisorption, i.e., the degradative oxidation.
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Affiliation(s)
- Edoardo Marquis
- Department of Physics and Astronomy, Alma Mater Studiorum - University of Bologna, Viale Berti Pichat 6/2, 40127, Bologna, Italy
| | - Francesca Benini
- Department of Physics and Astronomy, Alma Mater Studiorum - University of Bologna, Viale Berti Pichat 6/2, 40127, Bologna, Italy
| | - Babak Anasori
- Department of Mechanical and Energy Engineering, Integrated Nanosystems Development Institute, Indiana University-Purdue University Indianapolis, Indianapolis, IN, 46202, USA
- School of Materials Engineering, Purdue University, West Lafayette, IN, 47907, USA
| | - Andreas Rosenkranz
- Department of Chemical Engineering, Biotechnology and Materials, University of Chile, Avenida Beaucheff 851, 8370456, Santiago de Chile, Chile
| | - Maria Clelia Righi
- Department of Physics and Astronomy, Alma Mater Studiorum - University of Bologna, Viale Berti Pichat 6/2, 40127, Bologna, Italy.
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9
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Synthesis and characterization of Ag doped ZnO nanomaterial as an effective photocatalyst for photocatalytic degradation of Eriochrome Black T dye and antimicrobial agent. INORG CHEM COMMUN 2023. [DOI: 10.1016/j.inoche.2023.110570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/04/2023]
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10
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Amutha T, Rameshbabu M, Razia M, Bakri M, Florence SS, Muthupandi S, Prabha K. Structural, optical and antibacterial activity of pure and co-doped (Fe & Ni) tin oxide nanoparticles. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2023; 287:121996. [PMID: 36327808 DOI: 10.1016/j.saa.2022.121996] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Revised: 09/24/2022] [Accepted: 10/13/2022] [Indexed: 06/16/2023]
Abstract
In this investigation, ferric (Fe) and nickel (Ni) co-doped tin oxide (SnO2) nanoparticles structural, optical, morphological, and antibacterial characteristics were synthesised, characterised, and examined. By employing SnCl2·2H2O and the transition metal precursors FeCl3 and NiCl2·6H2O with various Fe/Ni molar ratios, thermal annealing was carried out at a high temperature (700 °C). X-ray diffraction (XRD), UV-Visible spectroscopy, Photoluminescence (PL), FT-IR, and scanning electron microscopy (SEM) with energy dispersive X-ray techniques (EDX) were used to examine the materials' structural, chemical, optical, morphological, and anti-microbial capabilities. The average particle size of pure and co-doped SnO2 nanoparticles was determined to be around 52 nm and 15 nm, and SnO2 crystallites were observed to present tetragonal rutile structure with space group P42/mmm (No.136). Metal ions were replaced in the Sn lattice, as shown by Fe and Ni co-doped SnO2 nanoparticles. Pure and co-doped samples have capsule and sphere-like features in their SEM morphology. Using UV-visible diffuse reflectance spectroscopy, the optical property was examined, and it was observed that the band gaps for pure and co-doped SnO2 were 3.73 eV and 3.53 eV, respectively. The functional groups and incorporation of Fe and Ni in the prepared powder were also validated by FT-IR and EDX studies. By utilising the agar well diffusion technique and Nutrient agar, the antibacterial properties of pure, Ni-Fe co-doped SnO2 nanoparticles annealed at 700 °C were assessed. They were evaluated against various Gram-positive bacteria (Staphylococcus pheumoniae) and Gram-negative bacteria (Shigella dysenteria). The zone of incubation was found against the Gram +Ve and Gram -Ve bacterial strains.
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Affiliation(s)
- T Amutha
- Department of Physics, Mother Teresa Women's University, Kodaikanal 624101, Tamil Nadu, India
| | - M Rameshbabu
- Department of Physics, Arulmigu Palaniandavar College of Arts and Culture, Palani 624601, Tamil Nadu, India
| | - M Razia
- Department of Biotechnology, Mother Teresa Women's University, Kodaikanal 624101, Tamil Nadu, India
| | - Marwah Bakri
- Department of Biology, Jazan University, Jizan 45142, Saudi Arabia
| | - S Sasi Florence
- Department of Physics, Jazan University, Jizan 45142, Saudi Arabia
| | - S Muthupandi
- Department of Physics, Loyola College, Affiliated to University of Madras, Chennai 600034, Tamil Nadu, India
| | - K Prabha
- Department of Physics, Mother Teresa Women's University, Kodaikanal 624101, Tamil Nadu, India.
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11
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Dhadda S, Sharma S, Jakhar P, Sharma H. Contemporary progress in the green synthesis of spiro-thiazolidines and their medicinal significance: a review. RSC Adv 2023; 13:3723-3742. [PMID: 36756557 PMCID: PMC9891087 DOI: 10.1039/d2ra07474e] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/24/2022] [Accepted: 12/26/2022] [Indexed: 01/26/2023] Open
Abstract
The development of new strategies for the production of nitrogen and sulfur-containing heterocycles remains an extremely alluring but challenging proposition. Among these heterocyclic compounds, spiro-thiazolidines are a distinct class of heterocyclic motifs with an all-encompassing range of pharmaceutical activities such as anti-histaminic, anti-proliferative, anesthetic, hypnotic, anti-fungal, anti-inflammatory, anti-HIV, anthelmintic, CNS stimulant, and anti-viral potentials. Consequently, investigators have produced these heterocycles through diversified intricate pathways as object structures for medicinal studies. Notwithstanding their innumerable manmade solicitations, there is yet no special periodical on MCRs concerning spiro-thiazolidine via green synthesis. Thus, this in-depth review encompasses the excursion of MCRs to spiro-thiazolidines, including the environment-friendly synthetic approaches, reaction situations, rationale behind the optimal selection of catalyst, scope, anticipated mechanism, and biological activities. In this review, we have focussed on the furthermost current developments in spiro-thiazolidine creation under different conditions, such as ionic liquid-assisted, microwave-assisted, on-water, solid-supported acid-catalyzed, asymmetric, and nanocatalyst-assisted syntheses, developed over the last 8 years. This study details works regarding the total amalgamation of spiro-thiazolidines under N- and S-containing heterocycles. Furthermore, this article summarizes the developments of artificially and pharmaceutically important spiro-thiazolidine candidates.
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Affiliation(s)
- Surbhi Dhadda
- Department of Chemistry, Faculty of Basic and Applied Sciences, Vivekananda Global UniversityJagatpuraJaipurRajasthan303012India
| | - Shaily Sharma
- Microwave Chemistry Lab, Department of Chemistry, UCOS, Mohanlal Sukhadia University Udaipur Rajasthan 313001 India
| | - Prakash Jakhar
- Microwave Chemistry Lab, Department of Chemistry, UCOS, Mohanlal Sukhadia University Udaipur Rajasthan 313001 India
| | - Himanshu Sharma
- Microwave Chemistry Lab, Department of Chemistry, UCOS, Mohanlal Sukhadia University Udaipur Rajasthan 313001 India
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Magnetic Fe3O4 nanoparticles in melamine-based ternary deep eutectic solvent as a novel eco-compatible system for green synthesis of pyrido[2,3-d]pyrimidine derivatives. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2022.133860] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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13
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Nam NN, Do HDK, Trinh KTL, Lee NY. Recent Progress in Nanotechnology-Based Approaches for Food Monitoring. NANOMATERIALS (BASEL, SWITZERLAND) 2022; 12:nano12234116. [PMID: 36500739 PMCID: PMC9740597 DOI: 10.3390/nano12234116] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Revised: 11/17/2022] [Accepted: 11/20/2022] [Indexed: 05/10/2023]
Abstract
Throughout the food supply chain, including production, storage, and distribution, food can be contaminated by harmful chemicals and microorganisms, resulting in a severe threat to human health. In recent years, the rapid advancement and development of nanotechnology proposed revolutionary solutions to solve several problems in scientific and industrial areas, including food monitoring. Nanotechnology can be incorporated into chemical and biological sensors to improve analytical performance, such as response time, sensitivity, selectivity, reliability, and accuracy. Based on the characteristics of the contaminants and the detection methods, nanotechnology can be applied in different ways in order to improve conventional techniques. Nanomaterials such as nanoparticles, nanorods, nanosheets, nanocomposites, nanotubes, and nanowires provide various functions for the immobilization and labeling of contaminants in electrochemical and optical detection. This review summarizes the recent advances in nanotechnology for detecting chemical and biological contaminations in the food supply chain.
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Affiliation(s)
- Nguyen Nhat Nam
- Biotechnology Center, School of Agriculture and Aquaculture, Tra Vinh University, Tra Vinh City 87000, Vietnam
| | - Hoang Dang Khoa Do
- NTT Hi-Tech Institute, Nguyen Tat Thanh University, Ward 13, District 04, Ho Chi Minh City 70000, Vietnam
| | - Kieu The Loan Trinh
- Department of Industrial Environmental Engineering, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Gyeonggi-do, Republic of Korea
- Correspondence: (K.T.L.T.); (N.Y.L.)
| | - Nae Yoon Lee
- Department of BioNano Technology, Gachon University, 1342 Seongnam-daero, Sujeong-gu, Seongnam-si 13120, Gyeonggi-do, Republic of Korea
- Correspondence: (K.T.L.T.); (N.Y.L.)
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14
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Khan W, Jamila N, Khan N, Masood R, Wen Nee T, Bibi N, Ho Hong J, Atlas A. Application of Forsskaolea tenacissima mediated gold nanoparticles in dyes discolouration, antibiotics removal, and metal ions detection. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104179] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
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15
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Marquis E, Cutini M, Anasori B, Rosenkranz A, Righi MC. Nanoscale MXene Interlayer and Substrate Adhesion for Lubrication: A Density Functional Theory Study. ACS APPLIED NANO MATERIALS 2022; 5:10516-10527. [PMID: 36062064 PMCID: PMC9425433 DOI: 10.1021/acsanm.2c01847] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Accepted: 07/25/2022] [Indexed: 05/08/2023]
Abstract
Understanding the interlayer interaction at the nanoscale in two-dimensional (2D) transition metal carbides and nitrides (MXenes) is important to improve their exfoliation/delamination process and application in (nano)-tribology. The layer-substrate interaction is also essential in (nano)-tribology as effective solid lubricants should be resistant against peeling-off during rubbing. Previous computational studies considered MXenes' interlayer coupling with oversimplified, homogeneous terminations while neglecting the interaction with underlying substrates. In our study, Ti-based MXenes with both homogeneous and mixed terminations are modeled using density functional theory (DFT). An ad hoc modified dispersion correction scheme is used, capable of reproducing the results obtained from a higher level of theory. The nature of the interlayer interactions, comprising van der Waals, dipole-dipole, and hydrogen bonding, is discussed along with the effects of MXene sheet's thickness and C/N ratio. Our results demonstrate that terminations play a major role in regulating MXenes' interlayer and substrate adhesion to iron and iron oxide and, therefore, lubrication, which is also affected by an external load. Using graphene and MoS2 as established references, we verify that MXenes' tribological performance as solid lubricants can be significantly improved by avoiding -OH and -F terminations, which can be done by controlling terminations via post-synthesis processing.
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Affiliation(s)
- Edoardo Marquis
- Department
of Physics and Astronomy, Alma Mater Studiorum
− University of Bologna, Viale Berti Pichat 6/2, Bologna 40127, Italy
| | - Michele Cutini
- Department
of Physics and Astronomy, Alma Mater Studiorum
− University of Bologna, Viale Berti Pichat 6/2, Bologna 40127, Italy
| | - Babak Anasori
- Department
of Mechanical and Energy Engineering, and Integrated Nanosystems Development
Institute, Indiana University-Purdue University
Indianapolis, Indianapolis, Indiana 46202, United States
| | - Andreas Rosenkranz
- Department
of Chemical Engineering, Biotechnology and Materials, University of Chile, Avenida Beaucheff 851, Santiago de Chile 8370456, Chile
| | - Maria Clelia Righi
- Department
of Physics and Astronomy, Alma Mater Studiorum
− University of Bologna, Viale Berti Pichat 6/2, Bologna 40127, Italy
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16
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Hansen HE, Fakhri DØ, Seland F, Sunde S, Burheim OS, Pollet BG. Sonochemical Synthesis of Cu@Pt Bimetallic Nanoparticles. Molecules 2022; 27:molecules27165281. [PMID: 36014518 PMCID: PMC9415347 DOI: 10.3390/molecules27165281] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2022] [Revised: 08/03/2022] [Accepted: 08/08/2022] [Indexed: 11/16/2022] Open
Abstract
Reducing the amount of noble metals in catalysts for electrochemical conversion devices is paramount if these devices are to be commercialized. Taking advantage of the high degree of particle property control displayed by the sonochemical method, we set out to synthesize Cu@Pt bimetallic nanocatalysts in an effort to improve the mass activity towards the hydrogen evolution reaction. At least 17 times higher mass activity was found for the carbon supported Cu@Pt bimetallic nanocatalyst (737 mA mg−1, E = −20 mV) compared to carbon supported Pt nanocatalysts prepared with the same ultrasound conditions (44 mA mg−1, E = −20 mV). The synthesis was found to proceed with the sonochemical formation of Cu and Cu2O nanoparticles with the addition of PtCl4 leading to galvanic displacement of the Cu-nanoparticles and the formation of a Pt-shell around the Cu-core.
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Affiliation(s)
- Henrik E. Hansen
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
- Correspondence:
| | - Daniel Ø. Fakhri
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Frode Seland
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Svein Sunde
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Odne S. Burheim
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Bruno G. Pollet
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
- Green Hydrogen Lab, Pollet Research Group, Institute for Hydrogen Research (IHR), Université Du Québec à Trois-Rivières (UQTR), 3351 Boulevard des Forges, Trois-Rivières, QC G9A 5H7, Canada
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17
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Godarzbod F, Mirjafary Z, Saeidian H, Rouhani M. Palladium@silica-coated magnetic nanoparticles as efficient and recyclable catalysts for ligand-free Suzuki–Miyaura coupling reaction under mild conditions. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04781-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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18
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Antunes MM, Silva AF, Fernandes A, Valente AA. γ-Valerolactone synthesis from α-angelica lactone and levulinic acid over biobased multifunctional nanohybrid catalysts. Catal Today 2022. [DOI: 10.1016/j.cattod.2021.08.027] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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19
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Kokila GN, Mallikarjunaswamy C, Ranganatha VL. A review on synthesis and applications of versatile nanomaterials. INORG NANO-MET CHEM 2022. [DOI: 10.1080/24701556.2022.2081189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
Affiliation(s)
- G. N. Kokila
- Postgraduate Department of Chemistry, JSS College of Arts, Commerce and Science, Mysuru, Karnataka, India
| | - C. Mallikarjunaswamy
- Postgraduate Department of Chemistry, JSS College of Arts, Commerce and Science, Mysuru, Karnataka, India
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20
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Alvi S, Jayant V, Ali R. Applications of Oxone® in Organic Synthesis: An Emerging Green Reagent of Modern Era. ChemistrySelect 2022. [DOI: 10.1002/slct.202200704] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Shakeel Alvi
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla New Delhi 110025 India
| | - Vikrant Jayant
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla New Delhi 110025 India
| | - Rashid Ali
- Department of Chemistry, Jamia Millia Islamia, Jamia Nagar, Okhla New Delhi 110025 India
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21
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Au Nanoparticles Supported by Porous Aromatic Frameworks—Efficient and Recyclable Catalysts for Nitro Reduction. Catalysts 2022. [DOI: 10.3390/catal12060588] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
A strategy has been developed for the preparation of gold nanoparticles (Au NPs) supported by porous aromatic frameworks (Au@PAF-184, Au@PAF-185) with high Au NPs loading, good stability and excellent activity. This approach contains two steps: the first step is ion exchange between cationic porous aromatic frameworks with NaAuCl4, fixing AuCl4− by the electrostatic interaction between anions and cations; the second step is reduction with NaBH4. Au@PAF-184 and Au@PAF-185 were successfully prepared accordingly. In comparison with the previously prepared similar types of materials such as Au@PAF-93 (2.86 wt% Au loading) and Au@PAF-94 (4.69 wt% Au loading) prepared by coordination and reduction, etc., the loading of Au NPs of Au@PAF-184 (24.2 wt% Au loading) and Au@PAF-185 (34.9 wt% Au loading) has increased by about 8 times. When employed as catalysts for nitrobenzene reduction, both Au@PAF-184 and Au@PAF-185 exhibited high catalytic activity and excellent reusability.
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22
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Mokkath JH. Localized surface plasmon resonances in a hybrid structure consisting of a mono-layered Al sheet and Ti 3C 2F MXene. Phys Chem Chem Phys 2022; 24:12389-12396. [PMID: 35574826 DOI: 10.1039/d2cp01150f] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
MXenes are a novel class of two-dimensional materials that exhibit unique light-matter interactions. In this work, using quantum-mechanical simulations based on the time dependent density functional theory, we investigate the electronic and optical properties of a hybrid structure consisting of a mono-layered aluminum (Al) sheet and Ti3C2F MXene. As a key result of this work, we reveal that the coupling of a mono-layered Al sheet on top of Ti3C2F MXene causes interlayer charge transfer accompanied by strong signatures of localized surface plasmon resonances (LSPRs) in the visible region of the electromagnetic spectrum. Our theoretical findings demonstrate a promising strategy to generate LSPRs in MXene-based heterostructures.
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Affiliation(s)
- Junais Habeeb Mokkath
- Quantum Nanophotonics Simulations Lab, Department of Physics, Kuwait College of Science And Technology, Doha Area, 7th Ring Road, P.O. Box 27235, Kuwait. .,Department of Applied Physics, Chalmers University of Technology, 412 96 Gothenburg, Sweden
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23
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Anchoring Cu (II) on Fe3O4@ SiO2/Schiff base: a green, recyclable, and extremely efficient magnetic nanocatalyst for the synthesis of 2-amino-4H-chromene derivatives. RESEARCH ON CHEMICAL INTERMEDIATES 2022. [DOI: 10.1007/s11164-022-04732-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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24
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Shaikh T, Sharma AS, Osman SM, Luque R, Kaur H. Selective oxidation of cyclohexene to adipic acid over CuNPs supported on PLA/TiO2. CATAL COMMUN 2022. [DOI: 10.1016/j.catcom.2022.106460] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
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25
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Hansen HE, Seland F, Sunde S, Burheim OS, Pollet BG. Frequency controlled agglomeration of pt-nanoparticles in sonochemical synthesis. ULTRASONICS SONOCHEMISTRY 2022; 85:105991. [PMID: 35381486 PMCID: PMC8980500 DOI: 10.1016/j.ultsonch.2022.105991] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 03/23/2022] [Accepted: 03/24/2022] [Indexed: 06/01/2023]
Abstract
Optimizing the surface area of nanoparticles is key to achieving high catalytic activities for electrochemical energy conversion devices. In this work, the frequency range (200 kHz-500 kHz) for maximum sonochemical radical formation was investigated for the sonochemical synthesis of Pt-nanoparticles to assess whether an optimum frequency exists or if the entire range provides reproducible particle properties. Through physical and electrochemical characterization, it was found that the frequency dependent mechanical effects of ultrasound resulted in smaller, more open agglomerates at lower frequencies with agglomerate sizes of (238 ± 4) nm at 210 kHz compared to (274 ± 2) nm at 326 kHz, and electrochemical surface areas of (12.4 ± 0.9) m2g-1 at 210 kHz compared to (3.4 ± 0.5) m2g-1 at 326 kHz. However, the primary particle size (2.1 nm) and the catalytic activity towards hydrogen evolution, (19 ± 2) mV at 10mA cm2,remained unchanged over the entire frequency range. Highly reproducible Pt-nanoparticles are therefore easily attainable within a broad range of ultrasonic frequencies for the sonochemical synthesis route.
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Affiliation(s)
- Henrik E Hansen
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway; Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway.
| | - Frode Seland
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Svein Sunde
- Electrochemistry Group, Department of Materials Science and Engineering, Faculty of Natural Sciences, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Odne S Burheim
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway
| | - Bruno G Pollet
- Hydrogen Energy and Sonochemistry Research Group, Department of Energy and Process Engineering, Faculty of Engineering, Norwegian University of Science and Technology (NTNU), NO-7491 Trondheim, Norway; Green H(2) Lab, Pollet Research Group, Hydrogen Research Institute (HRI), Université Du Québec à Trois-Rivières (UQTR), 3351 Boulevard des Forges, Trois-Rivières, Québec G9A 5H7, Canada
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26
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Nanomaterial-based aptamer biosensors for ochratoxin A detection: a review. Anal Bioanal Chem 2022; 414:2953-2969. [PMID: 35296913 DOI: 10.1007/s00216-022-03960-5] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Revised: 12/27/2021] [Accepted: 02/03/2022] [Indexed: 01/01/2023]
Abstract
Ochratoxin A (OTA) is a widely distributed mycotoxin that often contaminates food, grains and animal feed. It poses a serious threat to human health because of its high toxicity and persistence. Therefore, the development of an inexpensive, highly sensitive, accurate and rapid method for OTA detection is imperative. In recent years, various nanomaterials used in the establishment of aptasensors have attracted great attention due to their large surface-to-volume ratio, good stability and facile preparation. This review summarizes the development of nanomaterial-based aptasensors for OTA determination and sample treatment over the past 5 years. The nanomaterials used in OTA aptasensors include metal, carbon, luminescent, magnetic and other nanomaterials. Finally, the limitations and future challenges in the development of nanomaterial-based OTA aptasensors are reviewed and discussed.
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27
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Aragão Campos PT, Oliveira CF, Vieira Lima JP, Renata de Queiroz Silva D, Loureiro Dias SC, Dias JA. Cerium–zirconium mixed oxide synthesized by sol-gel method and its effect on the oxygen vacancy and specific surface area. J SOLID STATE CHEM 2022. [DOI: 10.1016/j.jssc.2021.122752] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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28
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Shah V, Bhaliya J, Patel GM, Joshi P. Recent Advancement in Pd-Decorated Nanostructures for Its Catalytic and Chemiresistive Gas Sensing Applications: A Review. Top Catal 2022. [DOI: 10.1007/s11244-022-01564-y] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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29
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Swami S, Agarwala A, Shrivastava V, Shrivastava R. Poly (ethylene glycol)-400 crowned silver nanoparticles: a rapid, efficient, selective, colorimetric nano-sensor for fluoride sensing in an aqueous medium. J CHEM SCI 2022. [DOI: 10.1007/s12039-021-02002-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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30
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Das TK, Das NC. Advances on catalytic reduction of 4-nitrophenol by nanostructured materials as benchmark reaction. INTERNATIONAL NANO LETTERS 2022. [DOI: 10.1007/s40089-021-00362-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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31
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When Copper Oxide meets graphene oxide: A core-shell structure via an intermittent spray coating route for a highly efficient ammonium perchlorate thermal decomposition. J Organomet Chem 2022. [DOI: 10.1016/j.jorganchem.2021.122159] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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32
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Shaya J, Correia G, Heinrich B, Ribierre JC, Polychronopoulou K, Mager L, Méry S. Functionalization of Biphenylcarbazole (CBP) with Siloxane-Hybrid Chains for Solvent-Free Liquid Materials. MOLECULES (BASEL, SWITZERLAND) 2021; 27:molecules27010089. [PMID: 35011322 PMCID: PMC8746609 DOI: 10.3390/molecules27010089] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/14/2021] [Revised: 12/06/2021] [Accepted: 12/08/2021] [Indexed: 11/09/2022]
Abstract
We report herein the synthesis of siloxane-functionalized CBP molecules (4,4′-bis(carbazole)-1,1′-biphenyl) for liquid optoelectronic applications. The room-temperature liquid state is obtained through a convenient functionalization of the molecules with heptamethyltrisiloxane chains via hydrosilylation of alkenyl spacers. The synthesis comprises screening of metal-catalyzed methodologies to introduce alkenyl linkers into carbazoles (Stille and Suzuki Miyaura cross-couplings), incorporate the alkenylcarbazoles to dihalobiphenyls (Ullmann coupling), and finally introduce the siloxane chains. The used conditions allowed the synthesis of the target compounds, despite the high reactivity of the alkenyl moieties bound to π-conjugated systems toward undesired side reactions such as polymerization, isomerization, and hydrogenation. The features of these solvent-free liquid CBP derivatives make them potentially interesting for fluidic optoelectronic applications.
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Affiliation(s)
- Janah Shaya
- IPCMS, CNRS-Strasbourg University, UMR7504, 23 Rue du Loess, BP 43, 67034 Strasbourg, France; (G.C.); (B.H.); (L.M.)
- Department of Chemistry, College of Arts and Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates
- College of Medicine and Health Sciences, Khalifa University, Abu Dhabi P.O. Box 127788, United Arab Emirates
- Correspondence: (J.S.); (S.M.)
| | - Gabriel Correia
- IPCMS, CNRS-Strasbourg University, UMR7504, 23 Rue du Loess, BP 43, 67034 Strasbourg, France; (G.C.); (B.H.); (L.M.)
| | - Benoît Heinrich
- IPCMS, CNRS-Strasbourg University, UMR7504, 23 Rue du Loess, BP 43, 67034 Strasbourg, France; (G.C.); (B.H.); (L.M.)
| | - Jean-Charles Ribierre
- Center for Organic Photonics and Electronics Research (OPERA), Kyushu University, 744 Motooka, Nishi, Fukuoka 819-0395, Japan;
| | - Kyriaki Polychronopoulou
- Department of Mechanical Engineering, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates;
- Center for Catalysis and Separation, Khalifa University of Science and Technology, Abu Dhabi P.O. Box 127788, United Arab Emirates
| | - Loïc Mager
- IPCMS, CNRS-Strasbourg University, UMR7504, 23 Rue du Loess, BP 43, 67034 Strasbourg, France; (G.C.); (B.H.); (L.M.)
| | - Stéphane Méry
- IPCMS, CNRS-Strasbourg University, UMR7504, 23 Rue du Loess, BP 43, 67034 Strasbourg, France; (G.C.); (B.H.); (L.M.)
- Correspondence: (J.S.); (S.M.)
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33
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Banjare RK, Banjare MK, Behera K, Tandon M, Pandey S, Ghosh KK. Deep eutectic solvents as modulator on the micellization behaviour of cationic surfactants and potential application in human serum albumin aggregation. J Mol Liq 2021; 344:117864. [DOI: https:/doi.org/10.1016/j.molliq.2021.117864] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/04/2023]
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34
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Banjare RK, Banjare MK, Behera K, Tandon M, Pandey S, Ghosh KK. Deep eutectic solvents as modulator on the micellization behaviour of cationic surfactants and potential application in human serum albumin aggregation. J Mol Liq 2021. [DOI: 10.1016/j.molliq.2021.117864] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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35
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Cu-Fe Prussian blue analog nanocube with intrinsic oxidase mimetic behaviour for the non-invasive colorimetric detection of Isoniazid in human urine. Microchem J 2021. [DOI: 10.1016/j.microc.2021.106854] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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36
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Dohendou M, Pakzad K, Nezafat Z, Nasrollahzadeh M, Dekamin MG. Progresses in chitin, chitosan, starch, cellulose, pectin, alginate, gelatin and gum based (nano)catalysts for the Heck coupling reactions: A review. Int J Biol Macromol 2021; 192:771-819. [PMID: 34634337 DOI: 10.1016/j.ijbiomac.2021.09.162] [Citation(s) in RCA: 29] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2021] [Revised: 09/11/2021] [Accepted: 09/18/2021] [Indexed: 12/15/2022]
Abstract
Heck cross-coupling reaction (HCR) is one of the few transition metal catalyzed CC bond-forming reactions, which has been considered as the most effective, direct, and atom economical synthetic method using various catalytic systems. Heck reaction is widely employed in numerous syntheses including preparation of pharmaceutical and biologically active compounds, agrochemicals, natural products, fine chemicals, etc. Commonly, Pd-based catalysts have been used in HCR. In recent decades, the application of biopolymers as natural and effective supports has received attention due to their being cost effective, abundance, and non-toxicity. In fact, recent studies demonstrated that biopolymer-based catalysts had high sorption capacities, chelating activities, versatility, and stability, which make them potentially applicable as green materials (supports) in HCR. These catalytic systems present high stability and recyclability after several cycles of reaction. This review aims at providing an overview of the current progresses made towards the application of various polysaccharide and gelatin-supported metal catalysts in HCR in recent years. Natural polymers such as starch, gum, pectin, chitin, chitosan, cellulose, alginate and gelatin have been used as natural supports for metal-based catalysts in HCR. Diverse aspects of the reactions, different methods of preparation and application of polysaccharide and gelatin-based catalysts and their reusability have been reviewed.
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Affiliation(s)
- Mohammad Dohendou
- Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
| | - Khatereh Pakzad
- Department of Chemistry, Faculty of Science, University of Qom, PO Box 37185-359, Qom, Iran
| | - Zahra Nezafat
- Department of Chemistry, Faculty of Science, University of Qom, PO Box 37185-359, Qom, Iran
| | - Mahmoud Nasrollahzadeh
- Department of Chemistry, Faculty of Science, University of Qom, PO Box 37185-359, Qom, Iran.
| | - Mohammad G Dekamin
- Department of Chemistry, Iran University of Science and Technology, Tehran 16846-13114, Iran
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37
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Cu(OH)2-Ni(OH)2 engulfed by zeolite-Y hydroxyl nest and multiwalled carbon nanotube for effective methanol oxidation reaction. Electrochim Acta 2021. [DOI: 10.1016/j.electacta.2021.139313] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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38
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Taherinia Z, Ghorbani‐Choghamarani A. Immobilized Na
2
WO
4
.2H
2
O on Arginine Modified Bentonite (Bentonite@L‐Arginine‐WO
3
): An Efficient and Sustainable Catalyst for the C−C Bond Formation. ChemistrySelect 2021. [DOI: 10.1002/slct.202102183] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Zahra Taherinia
- Department of Chemistry Ilam University and P.O. Box 69315516 Ilam Iran
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39
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Chanda K. Nanocatalysis - A trending tool in organic reactions. LETT ORG CHEM 2021. [DOI: 10.2174/1570178618666210914125919] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Kaushik Chanda
- Vellore Institute of Technology Department of Chemistry Vellore, India
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40
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Zhao P, El-kott A, Ahmed AE, Khames A, Zein MA. Green synthesis of gold nanoparticles (Au NPs) using Tribulus terrestris extract: Investigation of its catalytic activity in the oxidation of sulfides to sulfoxides and study of its anti-acute leukemia activity. INORG CHEM COMMUN 2021. [DOI: 10.1016/j.inoche.2021.108781] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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Catalytic Application of Ceric Ammonium Nitrate-Stabilized Maghemite Nanoparticles (CAN-γ-Fe2O3) for Ultrasound Assisted Synthesis of β-Amino Derivatives. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02006-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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42
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Rajapantulu A, Bandyopadhyaya R. Formation of Gold Nanoparticles in Water-in-Oil Microemulsions: Experiment, Mechanism, and Simulation. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2021; 37:6623-6631. [PMID: 34032432 DOI: 10.1021/acs.langmuir.1c00084] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Self-assembled water-in-oil (W/O) microemulsions have been reported as a suitable route for synthesis of size-controlled nanoparticles. However, the mechanism of formation of nanoparticles in microemulsions is still not completely understood. In this work, gold nanoparticles (GNPs) were synthesized via the W/O microemulsion route. As the molar ratio of water and dioctyl sodium sulphosuccinate (AOT) (R) increased from 2.5 to 5.0 to 7.5, the corresponding water drop diameter increased from 2.7 to 5.0 to 7.3 nm. In parallel, the mean hydrodynamic diameter of GNPs increased from 6.5 to 11.3 to 15.6 nm for corresponding R values of 2.5, 5.0, and 7.5. Therefore, although there is a monotonically increasing trend of the mean diameter of GNPs with the initial drop diameter, for all values of R, the mean diameter of GNPs was significantly higher than the initial drop diameter. Consequently, previously known simulation vastly underpredicts the experimental GNP diameter. However, only on redefining the particle-particle coagulation event (during coalescence of microemulsion drops containing particles) does the current kinetic Monte Carlo (kMC) simulation agree well with the experimental results. In addition, we also find that the coagulation efficiency of solid nanoparticles (βp) increases with R, and βp is lesser than the coalescence efficiency of liquid drops (βd) over the range of R values concerned. Hence, a combined simulation and experimental study enumerates the dynamics of size evolution of nanoparticles and the events involved in their formation in a W/O microemulsion system.
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Affiliation(s)
- Anil Rajapantulu
- Department of Chemical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
| | - Rajdip Bandyopadhyaya
- Department of Chemical Engineering, Indian Institute of Technology Bombay, Powai, Mumbai 400076, India
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43
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Recent developments of supported and magnetic nanocatalysts for organic transformations: an up-to-date review. APPLIED NANOSCIENCE 2021. [DOI: 10.1007/s13204-021-01888-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Abstract
We straightforwardly synthesized 18 different types of palladium nanoparticles by using a
series of palladium metal precursors and ionic liquids. All the materials went for XRD, TEM, and ICPOES
analysis, before going to Heck cross-coupling reaction as a catalyst. We evaluated the catalytic
performance of our developed IL#Pd MNP catalyst over Heck cross-coupling reaction between different
terminal olefins with various 3-iodo-benzopyrones, including sterically hindered, electron-rich,
electron neutral and electron-deficient systems. We obtained the Heck cross-coupling reaction product
in good to average yield under phosphine free reaction condition with an added advantage of 6 times
catalyst recycling.
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Affiliation(s)
- Prashant Gautam
- Basic Sciences: Chemistry, NIIT University, NH-8 Jaipur/Delhi Highway, Neemrana, Rajasthan, India
| | - Vivek Srivastava
- Basic Sciences: Chemistry, NIIT University, NH-8 Jaipur/Delhi Highway, Neemrana, Rajasthan, India
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Mofijur M, Siddiki SYA, Shuvho MBA, Djavanroodi F, Fattah IMR, Ong HC, Chowdhury MA, Mahlia TMI. Effect of nanocatalysts on the transesterification reaction of first, second and third generation biodiesel sources- A mini-review. CHEMOSPHERE 2021; 270:128642. [PMID: 33127105 DOI: 10.1016/j.chemosphere.2020.128642] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/15/2020] [Revised: 10/05/2020] [Accepted: 10/13/2020] [Indexed: 06/11/2023]
Abstract
Biodiesel is a fuel that has numerous benefits over traditional petrodiesel. The transesterification process is the most popular method for biodiesel production from various sources, categorized as first, second and third generation biodiesel depending on the source. The transesterification process is subject to a variety of factors that can be taken into account to improve biodiesel yield. One of the factors is catalyst type and concentration, which plays a significant role in the transesterification of biodiesel sources. At present, chemical and biological catalysts are being investigated and each catalyst has its advantages and disadvantages. Recently, nanocatalysts have drawn researchers' attention to the efficient production of biodiesel. This article discusses recent work on the role of several nanocatalysts in the transesterification reaction of various sources in the development of biodiesel. A large number of literature from highly rated journals in scientific indexes is reviewed, including the most recent publications. Most of the authors reported that nanocatalysts show an important influence regarding activity and selectivity. This study highlights that in contrast to conventional catalysts, the highly variable surface area of nanostructure materials favours interaction between catalysts and substrates that efficiently boost the performance of products. Finally, this analysis provides useful information to researchers in developing and processing cost-effective biodiesel.
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Affiliation(s)
- M Mofijur
- School of Information Systems and Modelling, Faculty of Engineering and Information Technology, University of Technology, Sydney, NSW, 2007, Australia; Mechanical Engineering Department, Prince Mohammad Bin Fahd University, Al Khobar, 31952, Saudi Arabia.
| | - Sk Yasir Arafat Siddiki
- Department of Chemical Engineering, Khulna University of Engineering and Technology, Khulna, 9203, Bangladesh
| | - Md Bengir Ahmed Shuvho
- Department of Industrial and Production Engineering, National Institute of Textile Engineering and Research (NITER), Savar, Dhaka, 1350, Bangladesh
| | - F Djavanroodi
- Mechanical Engineering Department, Prince Mohammad Bin Fahd University, Al Khobar, 31952, Saudi Arabia; Mechanical Engineering Department, Imperial College, London, SW7 2AZ, UK
| | - I M Rizwanul Fattah
- School of Information Systems and Modelling, Faculty of Engineering and Information Technology, University of Technology, Sydney, NSW, 2007, Australia
| | - Hwai Chyuan Ong
- School of Information Systems and Modelling, Faculty of Engineering and Information Technology, University of Technology, Sydney, NSW, 2007, Australia.
| | - M A Chowdhury
- Department of Mechanical Engineering, Dhaka University of Engineering and Technology (DUET), Gazipur, 1707, Bangladesh
| | - T M I Mahlia
- School of Information Systems and Modelling, Faculty of Engineering and Information Technology, University of Technology, Sydney, NSW, 2007, Australia
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46
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Saenchoopa A, Boonta W, Talodthaisong C, Srichaiyapol O, Patramanon R, Kulchat S. Colorimetric detection of Hg(II) by γ-aminobutyric acid-silver nanoparticles in water and the assessment of antibacterial activities. SPECTROCHIMICA ACTA. PART A, MOLECULAR AND BIOMOLECULAR SPECTROSCOPY 2021; 251:119433. [PMID: 33465574 DOI: 10.1016/j.saa.2021.119433] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/19/2020] [Revised: 12/28/2020] [Accepted: 01/03/2021] [Indexed: 06/12/2023]
Abstract
In this work, we report the synthesis of silver nanoparticles (AgNPs) via a wet-chemical reduction procedure using citrate (Cit) and γ-aminobutyric acid (GABA) as stabilizers. The formation of GABA-Cit@AgNPs was confirmed by UV-vis spectroscopy with a surface plasmon resonance band at 393 nm clearly confirming the formation of silver nanoparticles. AgNPs were characterized using UV-vis spectroscopy, attenuated total reflectance-fourier transform infrared spectroscopy (ATR-FTIR), transmission electron microscope (TEM), energy-dispersive X-ray spectroscopy (EDX), X-ray diffraction (XRD), dynamic light scattering (DLS), and zeta potential. The as-prepared AgNPs can be used for the detection of hazardous mercury ions (Hg2+) in water by colorimetric method with a limit of detection (LOD) and limit of quantitation (LOQ) of 2.37 μM and 3.99 μM, respectively. The linear working range for Hg2+ detection is 5-35 μM and the sensor probe was applied to investigate Hg2+ in real drinking water samples with satisfied results. Rapid response to Hg2+ is also observed when the nanoparticles are composited within hydrogels. Moreover, GABA-Cit@AgNPs shows antibacterial activity against Escherichia coli (E. coli) and Staphylococcus aureus (S. aureus). The fast and sensitive response of the proposed Hg2+ sensor, together with its antibacterial activities, makes GABA-Cit@AgNPs potentially applicable for the development of cheap, portable, colorimetric sensors in fieldwork.
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Affiliation(s)
- Apichart Saenchoopa
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Wissuta Boonta
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Chanon Talodthaisong
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Oranee Srichaiyapol
- Department of Biochemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Rina Patramanon
- Department of Biochemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand
| | - Sirinan Kulchat
- Materials Chemistry Research Center, Department of Chemistry and Center of Excellence for Innovation in Chemistry, Faculty of Science, Khon Kaen University, Khon Kaen 40002, Thailand.
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Al-Hunaiti A, Ghazzy A, Sweidan N, Mohaidat Q, Bsoul I, Mahmood S, Hussein T. Nano-Magnetic NiFe 2O 4 and Its Photocatalytic Oxidation of Vanillyl Alcohol-Synthesis, Characterization, and Application in the Valorization of Lignin. NANOMATERIALS 2021; 11:nano11041010. [PMID: 33920911 PMCID: PMC8071345 DOI: 10.3390/nano11041010] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/08/2021] [Revised: 04/09/2021] [Accepted: 04/11/2021] [Indexed: 11/16/2022]
Abstract
Here, we report on a phyto-mediated bimetallic (NiFe2O4) preparation using a Boswellia carterii extract, which was characterized by XRD, FT-IR, TGA, electron microscopy, magnetic spectroscopy, and Mössbauer spectroscopy measurements. The prepared nano-catalysts were tested for oxidation of lignin monomer molecules-vanillyl alcohol and cinnamyl alcohol. In comparison with previously reported methods, the nano NiFe2O4 catalysts showed high photocatalytic activity and selectivity, under visible light irradiation with a nitroxy radical initiator (2,2,6,6-tetramethylpiperidinyloxy or 2,2,6,6-tetramethylpiperidine 1-oxyl; TEMPO) at room temperature and aerobic conditions. The multifold advantages of the catalyst both in terms of reduced catalyst loading and ambient temperature conditions were manifested by higher conversion of the starting material.
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Affiliation(s)
- Afnan Al-Hunaiti
- Department of Chemistry, The University of Jordan, Amman 11942, Jordan;
| | - Asma Ghazzy
- Department of Chemistry, Al-Ahliyya Amman University, Amman 19328, Jordan;
| | - Nuha Sweidan
- Department of Chemistry, University of Petra, Amman 11196, Jordan;
| | - Qassem Mohaidat
- Department of Physics, Yarmouk University, Irbid 21163, Jordan;
| | - Ibrahim Bsoul
- Department of Physics, Al Al-Bayt University, Mafraq 13040, Jordan;
| | - Sami Mahmood
- Department of Physics, The University of Jordan, Amman 11942, Jordan;
- Department of Physics and Astronomy, Michigan State University, East Lansing, MI 48824, USA
| | - Tareq Hussein
- Department of Physics, The University of Jordan, Amman 11942, Jordan;
- Institute for Atmospheric and Earth System Research (INAR/Physics), University of Helsinki, FI-00014 Helsinki, Finland
- Correspondence: or
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Chi X, Du A, Hu Y. Skyrmion driven by rotary magnetic field on the surface of magnetic nanotube: a Monte Carlo study. NANOTECHNOLOGY 2021; 32:275702. [PMID: 33780914 DOI: 10.1088/1361-6528/abf302] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/11/2021] [Accepted: 03/29/2021] [Indexed: 06/12/2023]
Abstract
We report a Monte-Carlo simulation of the formation of skyrmions under a rotary magnetic field on a nanotube. The zero-field magnetic state is characterized as helical stripe domains swirling on the nanotube, with one to three periods depending on the ratio of Dzyaloshinskii-Moriya to ferromagnetic interaction and tubular size. Under a rotary magnetic field, the formation of skyrmions is in pair and the skyrmion number can be tuned. The movement of skyrmions is neither synchronous along with the rotary field, nor along a helical trajectory perpendicular to the rotary field. It is ascribed to that within a skyrmion pair, on one hand, the coupling between skyrmions is nonnegligible; on the other hand, different skyrmion pairs side by side are decoupled. This work predicts a way of nanotube-based skyrmion manipulation, and might develop the rotary information storage on energy- and space-saving modes or an edgeless racetrack memory.
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Affiliation(s)
- Xiaodan Chi
- Department of Physics, College of Sciences, Northeastern University, Shenyang 110819, People's Republic of China
| | - An Du
- Department of Physics, College of Sciences, Northeastern University, Shenyang 110819, People's Republic of China
| | - Yong Hu
- Department of Physics, College of Sciences, Northeastern University, Shenyang 110819, People's Republic of China
- State Key Laboratory of Rolling and Automation, Northeastern University, Shenyang 110819, People's Republic of China
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Khort A, Hedberg J, Mei N, Romanovski V, Blomberg E, Odnevall I. Corrosion and transformation of solution combustion synthesized Co, Ni and CoNi nanoparticles in synthetic freshwater with and without natural organic matter. Sci Rep 2021; 11:7860. [PMID: 33846485 PMCID: PMC8042015 DOI: 10.1038/s41598-021-87250-7] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2020] [Accepted: 03/24/2021] [Indexed: 11/09/2022] Open
Abstract
Pure metallic Co, Ni, and their bimetallic compositions of Co3Ni, CoNi, and CoNi3 nanomaterials were prepared by solution combustion synthesis. Microstructure, phase composition, and crystalline structure of these nanoparticles (NPs) were characterized along with studies of their corrosion and dissolution properties in synthetic freshwater with and without natural organic matter (NOM). The nanomaterials consisted of aggregates of fine NPs (3-30 nm) of almost pure metallic and bimetallic crystal phases with a thin surface oxide covered by a thin carbon shell. The nanomaterials were characterized by BET surface areas ranging from ~ 1 to 8 m2/g for the Ni and Co NPs, to 22.93 m2/g, 14.86 m2/g, and 10.53 m2/g for the Co3Ni, CoNi, CoNi3 NPs, respectively. More Co and Ni were released from the bimetallic NPs compared with the pure metals although their corrosion current densities were lower. In contrast to findings for the pure metal NPs, the presence of NOM increased the release of Co and Ni from the bimetallic NPs in freshwater compared to freshwater only even though its presence reduced the corrosion rate (current density). It was shown that the properties of the bimetallic nanomaterials were influenced by multiple factors such as their composition, including carbon shell, type of surface oxides, and the entropy of mixing.
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Affiliation(s)
- Alexander Khort
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden.
- Center of Functional Nano-Ceramics, National University of Science and Technology "MISIS", Moscow, Russia.
| | - Jonas Hedberg
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden
- Surface Science Western, Western University, London, Canada
| | - Nanxuan Mei
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden
| | - Valentin Romanovski
- Center of Functional Nano-Ceramics, National University of Science and Technology "MISIS", Moscow, Russia
- Institute of General and Inorganic Chemistry, National Academy of Sciences of Belarus, Minsk, Belarus
| | - Eva Blomberg
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden
- Division Bioscience and Materials, RISE Research Institutes of Sweden, Stockholm, Sweden
| | - Inger Odnevall
- Division of Surface and Corrosion Science, Department of Chemistry, KTH Royal Institute of Technology, Stockholm, Sweden.
- AIMES-Center for the Advancement of Integrated Medical and Engineering Sciences at Karolinska Insitutet and KTH Royal Institute of Technology, Stockholm, Sweden.
- Department of Neuroscience, Karolinska Institutet, 171 77, Stockholm, Sweden.
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50
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Borisova SD, Eremeev SV, Rusina GG, Chulkov EV. Magnetic and vibrational properties of small chromium clusters on the Cu(111) surface. Phys Chem Chem Phys 2021; 23:7814-7821. [PMID: 33155011 DOI: 10.1039/d0cp05223j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The structure and magnetic properties of small Cr clusters, Cr3 and Cr4, adsorbed on the Cu(111) surface have been investigated using density functional theory (DFT) calculations and their vibrational properties have been studied within calculations based on tight-binding second moment approximation interatomic interaction potentials (TBSMA). It has been shown that the magnetic ordering in the Cr clusters significantly affects their crystal structure and symmetry, which influences the vibrational modes of the clusters and nearest neighbor copper atoms. In turn, these modes select potentially possible structures of Cr3 and Cr4, prohibiting the lowest total energy cluster structure as dynamically unstable.
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Affiliation(s)
- S D Borisova
- Institute of Strength Physics and Materials Science, 634055, Tomsk, Russia.
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