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Pan C, Lu M, Ma L, Wu M. A Dual Emission Fluorescence Probe Based on Silicon Nanoparticles and Rhodamine B for Ratiometric Detection of Kaempferol. J Fluoresc 2024:10.1007/s10895-024-03906-3. [PMID: 39186138 DOI: 10.1007/s10895-024-03906-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2024] [Accepted: 08/07/2024] [Indexed: 08/27/2024]
Abstract
In this paper, blue fluorescent silicon nanoparticles (SiNPs) with outstanding optical properties and robust stability were synthesized by a simple one-step hydrothermal method. By introducing red emissive rhodamine B (RhB) into SiNPs solution, a dual emission nanoprobe (SiNPs@RhB) was constructed, which showed excellent pH stability, salt resistance and photobleaching resistance. The SiNPs@RhB probe could emit two peaks at 444 nm and 583 nm under 365 nm excitation. It was found that the fluorescence intensity of the two emission peaks decreased in different degrees with the addition of different concentrations of kaempferol (Kae). According to this phenomenon, a novel ratiometric fluorescence method was established for the detection of Kae via utilizing SiNPs@RhB as nanoprobe. The detection range and limit of detection (LOD) were 0.5 ~ 150 µM and 0.24 µM, respectively. The ratiometric fluorescence method exhibited the superiority of rapid detection, excellent stability, wide linear range and high sensitivity. The detection mechanism was studied by ultraviolet visible absorption spectra, fluorescence spectra and fluorescence lifetime. Furthermore, the method was applied to the detection of Kae in real samples (kaempferia powder, sea buckthorn granules and sea buckthorn dry emulsion).
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Affiliation(s)
- Congjie Pan
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
- Henan Engineering Research Center of Modern Chinese Medicine Research, Development and Application, Zhengzhou, 450046, China.
| | - Meicheng Lu
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China
| | - Longfei Ma
- Henan Police College, Zhengzhou, 450046, China
| | - Mingxia Wu
- School of Pharmacy, Henan University of Chinese Medicine, Zhengzhou, 450046, China.
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Wang Y, Mu L, Chen C, Xu F, Peng H, Song Y, Chen G. Preparation of iron oxide-modified digestate biochar and effect on anaerobic digestion of kitchen waste. BIORESOURCE TECHNOLOGY 2024; 398:130515. [PMID: 38437970 DOI: 10.1016/j.biortech.2024.130515] [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: 10/22/2023] [Revised: 02/27/2024] [Accepted: 02/29/2024] [Indexed: 03/06/2024]
Abstract
Two kinds of Fe2O3-modified digestate-derived biochar (BC) were prepared and their effects on anaerobic digestion (AD) of kitchen waste (40.0 g VS/L) were investigated, with BC and Fe2O3 addition used as a comparison. The results showed that Fe2O3-modified BC (Fe2O3-BC1 prepared by co-precipitation and Fe2O3-BC2 by impregnation) significantly increased methane yield (20.8 % and 16.4 %, respectively) and reduced volatile fatty acid concentration (35.6 % and 29.6 %, respectively). Microbial high-throughput analysis revealed that Fe2O3-modified BC selectively enriched Clostridium (47.3 %) and Methanosarcina (72.2 %), suggesting that direct interspecies electron transfer contributing to improved biogas production performance was established and enhanced. Correlation analysis indicated that biogas production performance was improved by the larger specific surface area (83.4 m2/g), pore volume (0.101 cm3/g), and iron content (97.4 g/Kg) of the BC. These results offer insights for enhancing the efficacy of AD processes using Fe2O3-modified BCs as additives.
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Affiliation(s)
- Yifan Wang
- School of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China; China Energy Conservation (Beijing) Energy Conservation and Environment Protection Engineering Co., Ltd., Beijing 101318, China
| | - Lan Mu
- School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China.
| | - Chen Chen
- School of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China
| | - Fenglian Xu
- School of Biotechnology and Food Science, Tianjin University of Commerce, Tianjin 300134, China; China Energy Conservation (Beijing) Energy Conservation and Environment Protection Engineering Co., Ltd., Beijing 101318, China
| | - Hao Peng
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Yingjin Song
- School of Environmental Science and Engineering, Tianjin University, Tianjin 300072, China
| | - Guanyi Chen
- School of Mechanical Engineering, Tianjin University of Commerce, Tianjin 300134, China
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Verma LM, Kumar A, Kumar A, Singh G, Singh U, Chaudhary S, Kumar S, Sanwaria AR, Ingole PP, Sharma S. Green chemistry routed sugar press mud for (2D) ZnO nanostructure fabrication, mineral fortification, and climate-resilient wheat crop productivity. Sci Rep 2024; 14:4074. [PMID: 38374327 PMCID: PMC10876626 DOI: 10.1038/s41598-024-53682-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/26/2023] [Accepted: 02/03/2024] [Indexed: 02/21/2024] Open
Abstract
Nanotechnology appears to be a promising tool to redefine crop nutrition in the coming decades. However, the crucial interactions of nanomaterials with abiotic components of the environment like soil organic matter (SOM) and carbon‒sequestration may hold the key to sustainable crop nutrition, fortification, and climate change. Here, we investigated the use of sugar press mud (PM) mediated ZnO nanosynthesis for soil amendment and nutrient mobilisation under moderately alkaline conditions. The positively charged (+ 7.61 mv) ZnO sheet-like nanoparticles (~ 17 nm) from zinc sulphate at the optimum dose of (75 mg/kg blended with PM (1.4% w/w) were used in reinforcing the soil matrix for wheat growth. The results demonstrated improved agronomic parameters with (~ 24%) and (~ 19%) relative increases in yield and plant Zn content. Also, the soil solution phase interactions of the ZnO nanoparticles with the PM-induced soil colloidal carbon (- 27.9 mv and diameter 0.4864 μm) along with its other components have influenced the soil nutrient dynamics and mineral ecology at large. Interestingly, one such interaction seems to have reversed the known Zn-P interaction from negative to positive. Thus, the study offers a fresh insight into the possible correlations between nutrient interactions and soil carbon sequestration for climate-resilient crop productivity.
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Affiliation(s)
- Lahur Mani Verma
- Biomass Technology Laboratory, Centre for Rural Development and Technology (CRDT), Indian Institute of Technology Delhi (IITD), Room No. 289, Block-III, Main Building Hauz Khas, New Delhi, 110016, India
- Electrophysical Laboratory, Department of Chemistry, IIT Delhi, New Delhi, 110016, India
| | - Ajay Kumar
- Biomass Technology Laboratory, Centre for Rural Development and Technology (CRDT), Indian Institute of Technology Delhi (IITD), Room No. 289, Block-III, Main Building Hauz Khas, New Delhi, 110016, India
| | - Ashwani Kumar
- Metagenomics and Secretomics Research Laboratory, Department of Botany, University of Allahabad (A Central University), Prayagraj, 211002, UP, India
| | - Garima Singh
- Biomass Technology Laboratory, Centre for Rural Development and Technology (CRDT), Indian Institute of Technology Delhi (IITD), Room No. 289, Block-III, Main Building Hauz Khas, New Delhi, 110016, India
| | - Umesh Singh
- Biomass Technology Laboratory, Centre for Rural Development and Technology (CRDT), Indian Institute of Technology Delhi (IITD), Room No. 289, Block-III, Main Building Hauz Khas, New Delhi, 110016, India
| | - Shivani Chaudhary
- Biommaterials and Bio-Interface Laboratory, Center for Biomedical Engineering IIT Delhi, New Delhi, 110016, India
| | - Sachin Kumar
- Biommaterials and Bio-Interface Laboratory, Center for Biomedical Engineering IIT Delhi, New Delhi, 110016, India
| | - Anita Raj Sanwaria
- Biomass Technology Laboratory, Centre for Rural Development and Technology (CRDT), Indian Institute of Technology Delhi (IITD), Room No. 289, Block-III, Main Building Hauz Khas, New Delhi, 110016, India
| | - Pravin P Ingole
- Electrophysical Laboratory, Department of Chemistry, IIT Delhi, New Delhi, 110016, India
| | - Satyawati Sharma
- Biomass Technology Laboratory, Centre for Rural Development and Technology (CRDT), Indian Institute of Technology Delhi (IITD), Room No. 289, Block-III, Main Building Hauz Khas, New Delhi, 110016, India.
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Verma LM, Kumar A, Bashir AU, Gangwar U, Ingole PP, Sharma S. Phase controlled green synthesis of wurtzite ( P63 mc) ZnO nanoparticles: interplay of green ligands with precursor anions, anisotropy and photocatalysis. NANOSCALE ADVANCES 2023; 6:155-169. [PMID: 38125588 PMCID: PMC10729870 DOI: 10.1039/d3na00596h] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Accepted: 11/06/2023] [Indexed: 12/23/2023]
Abstract
Green approaches for nanosynthesis often lack the precise control of synthetic outcomes, which is primarily due to the poorly defined reaction protocols. Herein, we investigated the use of lignocellulosic agro-waste, sugarcane press mud (PM), for the synthesis of ZnO nanoparticles using three different precursor salts and their further application in the photocatalytic degradation of rhodamine dyes. This approach resulted in the formation of ZnO nanoparticles with two different morphologies, i.e., sheet-like structure from the zinc sulphate and nitrate precursors, whereas sphere-like structures from zinc acetate. In all three cases, the wurtzite phase (P63mc) of ZnO nanoparticles remained consistent. Also, the ZnO nanoparticles were found to be positively charged ("ζ" = +8.81 to +9.22 mv) and nearly monodispersed, with a size and band gap in the range of ∼14-20 nm and 3.78-4.1 eV, respectively. Further, the potential photocatalytic activity of these nanoparticles was investigated under direct sunlight. At the same photocatalyst dose of 0.1 g L-1, the three ZnO nanoparticles showed varying efficiencies due to their shape anisotropy. The ZnO NPs from acetate salt (∼20 nm, sheet like) showed the highest dye degradation efficiency (90.03%) in 4.0 hours, indicating the role of the catalyst-dye interface in designing efficient photocatalysts.
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Affiliation(s)
- Lahur Mani Verma
- Centre for Rural Development & Technology (CRDT), Indian Institute of Technology Delhi Room No. 289, Block-III, Main Building, Hauz Khas New Delhi-110016 India +91-11-26591121 +91-11-26591116
- Department of Chemistry, Indian Institute of Technology Delhi New Delhi India
| | - Ajay Kumar
- Centre for Rural Development & Technology (CRDT), Indian Institute of Technology Delhi Room No. 289, Block-III, Main Building, Hauz Khas New Delhi-110016 India +91-11-26591121 +91-11-26591116
| | - Aejaz Ul Bashir
- Department of Chemistry, Indian Institute of Technology Delhi New Delhi India
| | - Upanshu Gangwar
- Department of Chemistry, Indian Institute of Technology Delhi New Delhi India
| | - Pravin P Ingole
- Department of Chemistry, Indian Institute of Technology Delhi New Delhi India
| | - Satyawati Sharma
- Centre for Rural Development & Technology (CRDT), Indian Institute of Technology Delhi Room No. 289, Block-III, Main Building, Hauz Khas New Delhi-110016 India +91-11-26591121 +91-11-26591116
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Owusu Prempeh C, Hartmann I, Formann S, Eiden M, Neubauer K, Atia H, Wotzka A, Wohlrab S, Nelles M. Comparative Study of Commercial Silica and Sol-Gel-Derived Porous Silica from Cornhusk for Low-Temperature Catalytic Methane Combustion. NANOMATERIALS (BASEL, SWITZERLAND) 2023; 13:nano13091450. [PMID: 37176995 PMCID: PMC10180291 DOI: 10.3390/nano13091450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/01/2023] [Revised: 04/17/2023] [Accepted: 04/21/2023] [Indexed: 05/15/2023]
Abstract
The synthesis and characterization of sol-gel-derived cornhusk support for low-temperature catalytic methane combustion (LTCMC) were investigated in this study. The prepared cornhusk support was impregnated with palladium and cerium oxide (Pd/CeO2) via the classical incipient wetness method. The resulting catalyst was characterized using various techniques, including X-ray diffraction (XRD), N2 physisorption (BET), transmission electron microscopy (TEM), and hydrogen temperature-programmed reduction (H2-TPR). The catalytic performance of the Pd/CeO2/CHSiO2 catalyst was evaluated for methane combustion in the temperature range of 150-600 °C using a temperature-controlled catalytic flow reactor, and its performance was compared with a commercial catalyst. The results showed that the Pd/CeO2 dispersed on SiO2 from the cornhusk ash support (Pd/CeO2/CHSiO2) catalyst exhibited excellent catalytic activity for methane combustion, with a conversion of 50% at 394 °C compared with 593 °C for the commercial silica catalyst (Pd/CeO2/commercial). Moreover, the Pd/CeO2/CHSiO2 catalyst displayed better catalytic stability after 10 h on stream, with a 7% marginal loss in catalytic activity compared with 11% recorded for the Pd/CeO2/commercial catalyst. The N2 physisorption and H2-TPR results indicated that the cornhusk SiO2 support possessed a higher surface area and strong reducibility than the synthesized commercial catalyst, contributing to the enhanced catalytic activity of the Pd/CeO2/SiO2 catalyst. Overall, the SiO2 generated from cornhusk ash exhibited promising potential as a low-cost and environmentally friendly support for LTCMC catalysts.
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Affiliation(s)
- Clement Owusu Prempeh
- Department of Thermochemical Conversion, DBFZ-Deutsches Biomasseforschungszentrum Gemeinnützige GmbH, Torgauer Straße 116, 04347 Leipzig, Germany
- Department of Agriculture and Environmental Science, University of Rostock, Justus-von-Liebig-Weg 6, 18059 Rostock, Germany
| | - Ingo Hartmann
- Department of Thermochemical Conversion, DBFZ-Deutsches Biomasseforschungszentrum Gemeinnützige GmbH, Torgauer Straße 116, 04347 Leipzig, Germany
| | - Steffi Formann
- Department of Thermochemical Conversion, DBFZ-Deutsches Biomasseforschungszentrum Gemeinnützige GmbH, Torgauer Straße 116, 04347 Leipzig, Germany
| | - Manfred Eiden
- Department of Thermochemical Conversion, DBFZ-Deutsches Biomasseforschungszentrum Gemeinnützige GmbH, Torgauer Straße 116, 04347 Leipzig, Germany
| | - Katja Neubauer
- Leibniz-Institute for Catalysis e.V. (LIKAT), Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Hanan Atia
- Leibniz-Institute for Catalysis e.V. (LIKAT), Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Alexander Wotzka
- Leibniz-Institute for Catalysis e.V. (LIKAT), Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Sebastian Wohlrab
- Leibniz-Institute for Catalysis e.V. (LIKAT), Albert-Einstein-Str. 29a, 18059 Rostock, Germany
| | - Michael Nelles
- Department of Thermochemical Conversion, DBFZ-Deutsches Biomasseforschungszentrum Gemeinnützige GmbH, Torgauer Straße 116, 04347 Leipzig, Germany
- Department of Agriculture and Environmental Science, University of Rostock, Justus-von-Liebig-Weg 6, 18059 Rostock, Germany
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Singh G, Arora H, P H, Sharma S. Development of clove oil based nanoencapsulated biopesticide employing mesoporous nanosilica synthesized from paddy straw via bioinspired sol-gel route. ENVIRONMENTAL RESEARCH 2023; 220:115208. [PMID: 36603658 DOI: 10.1016/j.envres.2022.115208] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/01/2022] [Revised: 12/23/2022] [Accepted: 12/31/2022] [Indexed: 06/17/2023]
Abstract
Paddy straw (PS) burning is a concerning issue in South Asian countries, clamoring for exploring alternative management strategies. Being a rich source of silica, PS can be a potential nanosilica (SiNPs) source. The current study reports a pioneering approach for green synthesis of high-purity mesoporous SiNPs by sol-gel method using the aqueous extract of Sapindus mukorossi seed pericarp as a stabilizer. The mesoporous nature of SiNPs was harnessed as a carrier for the essential oil to develop the carrier-based formulation. SiNPs were characterized using XRD, EDX, FTIR, FE-SEM, TEM, AFM, DLS, water contact angle, and BET analysis. The synthesized SiNPs possessed a spheroid morphology with an average particle size of 20.34 ± 2.64 nm. XRD results confirmed its amorphous nature. The mesoporous nature of SiNPs was confirmed using BET analysis which showed a cumulative pore volume of 2.059 cm3/g and a high surface area of 746.32 m2/g. The SiNPs were further loaded with clove essential oil (CEO), and the encapsulation of CEO was assessed using UV-Vis, FTIR, and BET analysis. The in-vitro antifungal activity of CEO and CEO-loaded SiNPs (CEO-SiNPs) was evaluated using the agar plate assay. UV-Vis results depicted 62.64% encapsulation of CEO in SiNPs. The antifungal efficacy of CEO-SiNPs against F. oxysporum exhibited minimum inhibitory concentration (MIC), i.e., 125 mg/L, while the MIC of CEO was found to be 250 mg/L. The study delivers new insights into the holistic utilization of PS and propitious contribution toward the circular economy and Sustainable Development Goals (SDGs).
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Affiliation(s)
- Garima Singh
- Centre for Rural Development & Technology, Indian Institute of Technology (IIT), New Delhi, 110016, India
| | - Himanshu Arora
- Centre for Rural Development & Technology, Indian Institute of Technology (IIT), New Delhi, 110016, India
| | - Hariprasad P
- Centre for Rural Development & Technology, Indian Institute of Technology (IIT), New Delhi, 110016, India
| | - Satyawati Sharma
- Centre for Rural Development & Technology, Indian Institute of Technology (IIT), New Delhi, 110016, India.
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Mostafa GAE, El-Tohamy MF, Alrabiah H. Prospective of Agro-Waste Husks for Biogenic Synthesis of Polymeric-Based CeO 2/NiO Nanocomposite Sensor for Determination of Mebeverine Hydrochloride. Molecules 2023; 28:2095. [PMID: 36903341 PMCID: PMC10004120 DOI: 10.3390/molecules28052095] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 02/12/2023] [Accepted: 02/20/2023] [Indexed: 03/12/2023] Open
Abstract
BACKGROUND The remarkable properties of nickel oxide (NiO) and cerium oxide (CeO2) nanostructures have attracted considerable interest in these nanocomposites as potential electroactive materials for sensor construction. METHODS The mebeverine hydrochloride (MBHCl) content of commercial formulations was determined in this study using a unique factionalized CeO2/NiO-nanocomposite-coated membrane sensor. RESULTS Mebeverine-phosphotungstate (MB-PT) was prepared by adding phosphotungstic acid to mebeverine hydrochloride and mixing with a polymeric matrix (polyvinyl chloride, PVC) and plasticizing agent o-nitrophenyl octyl ether. The new suggested sensor showed an excellent linear detection range of the selected analyte at 1.0 × 10-8-1.0 × 10-2 mol L-1 with regression equation EmV = (-29.429 ± 0.2) log [MB] + 347.86. However, the unfunctionalized sensor MB-PT displayed less linearity at 1.0 × 10-5-1.0 × 10-2 mol L-1 drug solution with regression equation EmV = (-26.603 ± 0.5) log [MB] + 256.81. By considering a number of factors, the applicability and validity of the suggested potentiometric system were improved following the rules of analytical methodological requirements. CONCLUSION The created potentiometric technique worked well for determining MB in bulk substance and in medical commercial samples.
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Affiliation(s)
- Gamal A. E. Mostafa
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
| | - Maha F. El-Tohamy
- Department of Chemistry, College of Science, King Saud University, P.O. Box 22452, Riyadh 11495, Saudi Arabia
| | - Haitham Alrabiah
- Department of Pharmaceutical Chemistry, College of Pharmacy, King Saud University, P.O. Box 2457, Riyadh 11451, Saudi Arabia
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Ki MR, Park KS, Abdelhamid MAA, Pack SP. Novel silicatein-like protein for biosilica production from Amphimedon queenslandica and its use in osteogenic composite fabrication. KOREAN J CHEM ENG 2023. [DOI: 10.1007/s11814-022-1314-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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Elanthikkal S, Mohamed HH, Alomair NA. Extraction of Biosilica from Date Palm Biomass Ash and its Application in Photocatalysis. ARAB J CHEM 2022. [DOI: 10.1016/j.arabjc.2022.104522] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022] Open
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Valorization of Residues from Energy Conversion of Biomass for Advanced and Sustainable Material Applications. SUSTAINABILITY 2022. [DOI: 10.3390/su14094939] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The reduction in greenhouse gas (GHG) emissions by shifting towards renewable energy sources to control global warming is one of the main challenges of the 21st century [...]
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