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Zhao Z, Qi X, He Y, Li N, Lai H, Liu B, Chen Y, Jin T. Oxygen vacancy-rich Fe 2(MoO 4) 3 combined with MWCNTs for electrochemical sensors of fentanyl and its analogs. Mikrochim Acta 2024; 191:159. [PMID: 38411763 DOI: 10.1007/s00604-024-06222-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2023] [Accepted: 01/18/2024] [Indexed: 02/28/2024]
Abstract
Hundreds of thousands of people dying from the abuse of fentanyl and its analogs. Hence, the development of an efficient and highly accurate detection method is extremely relevant and challenging. Therefore, we proposed the introduction of oxygen defects into Fe2(MoO4)3 nanoparticles for improving the catalyst performance and combining it with multi-walled carbon nanotubes (MWCNTs) for electrochemical detection of fentanyl and its analogs. Oxygen vacancy-rich Fe2(MoO4)3 (called r-Fe2(MoO4)3) nanoparticles were successfully synthesized and characterized in detail by scanning electron microscopy (SEM), transmission electron microscopy (TEM), energy-dispersive spectrometry (EDS), X-ray diffraction (XRD), Fourier transform infrared (FT-IR), Raman spectra, BET, X-ray photoelectron spectroscopy (XPS), and electron paramagnetic resonance (EPR) and investigated by comparison with oxygen vacancy-poor Fe2(MoO4)3 (called p-Fe2(MoO4)3). The obtained oxygen vacancy-rich Fe2(MoO4)3 was ultrasonically composited with MWCNTs for modification of glassy carbon electrodes (GCEs) used for the electrochemical detection of fentanyl and its analogs. The modified MWCNT-GCE showed ultrasensitivity to fentanyl, sufentanil, alfentanil, and acetylfentanyl with limits of detection (LOD) of 0.006 µmol·L-1, 0.008 µmol·L-1, 0.018 µmol·L-1, and 0.024 µmol·L-1, respectively, and could distinguish among the four drugs based on their peak voltages. Besides, the obtained r-Fe2(MoO4)3/MWCNT composite also exhibited high repeatability, selectivity, and stability. It showed satisfactory detection performance on real samples, with recoveries of 70.53 ~ 94.85% and 50.98 ~ 82.54% in serum and urine for the four drugs in a concentration range 0.2 ~ 1 µM, respectively. The experimental results confirm that the introduction of oxygen vacancies effectively improves the sensitivity of fentanyl electrochemical detection, and this work provides some inspiration for the development of catalytic materials for electrochemical sensors with higher sensitivity.
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Affiliation(s)
- Zhidong Zhao
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China
- University of Chinese Academy of Sciences, 100000, Beijing, People's Republic of China
- Guizhou Police College, 550005, Guiyang, People's Republic of China
| | - Xingrui Qi
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China
- University of Chinese Academy of Sciences, 100000, Beijing, People's Republic of China
| | - Yuan He
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China
- CAS Testing Technical Services (Guangzhou) Co. Ltd, 510650, Guangzhou, People's Republic of China
- Guangdong Industry Polytechnic, 510300, Guangzhou, People's Republic of China
| | - Nian Li
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China
- University of Chinese Academy of Sciences, 100000, Beijing, People's Republic of China
| | - Huajie Lai
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China
- University of Chinese Academy of Sciences, 100000, Beijing, People's Republic of China
- CAS Testing Technical Services (Guangzhou) Co. Ltd, 510650, Guangzhou, People's Republic of China
- CAS Engineering Laboratory for Special Fine Chemicals, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Guangdong Provincial Key Laboratory of Organic Polymer Materials for Electronics, Guangzhou, 510650, People's Republic of China
- West Center, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Chongqing, 400714, People's Republic of China
| | - Bo Liu
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China
- University of Chinese Academy of Sciences, 100000, Beijing, People's Republic of China
- CAS Testing Technical Services (Guangzhou) Co. Ltd, 510650, Guangzhou, People's Republic of China
- CAS Engineering Laboratory for Special Fine Chemicals, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Guangdong Provincial Key Laboratory of Organic Polymer Materials for Electronics, Guangzhou, 510650, People's Republic of China
- West Center, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Chongqing, 400714, People's Republic of China
| | - Yufang Chen
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China
- University of Chinese Academy of Sciences, 100000, Beijing, People's Republic of China
- CAS Testing Technical Services (Guangzhou) Co. Ltd, 510650, Guangzhou, People's Republic of China
- CAS Engineering Laboratory for Special Fine Chemicals, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China
- Guangdong Provincial Key Laboratory of Organic Polymer Materials for Electronics, Guangzhou, 510650, People's Republic of China
- West Center, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Chongqing, 400714, People's Republic of China
| | - Tao Jin
- Guangzhou Institute of Chemistry, Chinese Academy of Sciences, 510650, Guangzhou, People's Republic of China.
- University of Chinese Academy of Sciences, 100000, Beijing, People's Republic of China.
- CAS Testing Technical Services (Guangzhou) Co. Ltd, 510650, Guangzhou, People's Republic of China.
- CAS Engineering Laboratory for Special Fine Chemicals, Chinese Academy of Sciences, Guangzhou, 510650, People's Republic of China.
- Guangdong Provincial Key Laboratory of Organic Polymer Materials for Electronics, Guangzhou, 510650, People's Republic of China.
- West Center, Guangzhou Institute of Chemistry, Chinese Academy of Sciences, Chongqing, 400714, People's Republic of China.
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Alamgholiloo H, Asgari E, Sheikhmohammadi A, Ghasemian N, Hashemzadeh B, Nourmoradi H. Enhancement of the catalytic performance of Co-ZIF/WO 3 heterostructures for selective catalytic reduction of NO x. Sci Rep 2024; 14:3277. [PMID: 38332032 PMCID: PMC10853505 DOI: 10.1038/s41598-024-53805-7] [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: 10/03/2023] [Accepted: 02/05/2024] [Indexed: 02/10/2024] Open
Abstract
Nitrogen oxides (NOx) are one of the growing air pollutants in industrial countries, and their emissions are regulated by stringent legislation. Therefore, the design of the catalyst comprised of metal oxides and ZIFs a potential solution for improving selective catalytic reduction (SCR) of NOx. Here, an efficient strategy was described to fabricate Co-ZIF/WO3 heterostructures for SCR of NOx. First, WO3 nanostructures were fabricated by the solvothermal method, and subsequently epitaxial growth of ZIF-67 on the metal oxide surface to create a new type of semiconductor Co-ZIF/WO3 heterostructures. The obtained heterostructures were systemically characterized by wide-angle XRD, FESEM, UV DRS, FT-IR, AFM, and TEM spectroscopies. The Co-ZIF/WO3 heterostructures shift the temperature corresponding to the maximum conversion around 50 °C towards lower temperatures. The maximum conversion is substantially enhanced from 55% at 400 °C to 78% at 350 °C. The enhanced activity is attributed to better interaction and synergic effect of WO3 incorporated into ZIF-67 and also the electron transfer facility between the WO3 and Co species in Co-ZIF/WO3 heterostructures. Moreover, Co-ZIF/WO3 results in a distinct effect on the production of carbon monoxide (CO) in the product gas stream. The current study highlights some of the challenges in the development of semiconductor-based heterostructures for a decrease in air pollution.
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Affiliation(s)
- Hassan Alamgholiloo
- Department of Environmental Health Engineering, School of Health, Khoy University of Medical Sciences, Khoy, Iran
| | - Esrafil Asgari
- Department of Environmental Health Engineering, School of Health, Khoy University of Medical Sciences, Khoy, Iran.
| | - Amir Sheikhmohammadi
- Department of Environmental Health Engineering, School of Health, Khoy University of Medical Sciences, Khoy, Iran.
| | - Naser Ghasemian
- Department of Chemical Engineering, University of Bonab, Bonab, Iran.
| | - Bayram Hashemzadeh
- Department of Environmental Health Engineering, School of Health, Khoy University of Medical Sciences, Khoy, Iran
| | - Heshmatollah Nourmoradi
- Health and Environment Research Center, Ilam University of Medical Sciences, Ilam, Iran
- Department of Environmental Health Engineering, School of Health, Ilam University of Medical Sciences, Ilam, Iran
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Abedini E, Roudgar-Amoli M, Alizadeh A, Shariatinia Z. S-scheme heterojunctions based on novel Sm 2CeMnO 6 double perovskite oxide and g-C 3N 4 with excellent photocatalytic dye degradation performances. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2023; 30:114956-114984. [PMID: 37878171 DOI: 10.1007/s11356-023-30227-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/03/2023] [Accepted: 09/28/2023] [Indexed: 10/26/2023]
Abstract
It has become of utmost importance to preserve marine life and human health by protecting aquatic environments from contaminants. Therefore, using photocatalytic materials in treatment of contaminated water is a promising and innovative technique. Novel double perovskite Sm2CeMnO6 was synthesized through a modified Pechini sol-gel method. Also, urea and melamine were utilized to synthesize graphitic carbon nitride (g-C3N4). Combination of Sm2CeMnO6 and g-C3N4 produced several S-scheme heterojunction materials in diverse components ratios. Average crystallite sizes of Sm2CeMnO6 and Sm2CeMnO6/g-C3N4 (20:80) samples were calculated by Debye-Scherrer and Williamson-Hall methods to be 19.77, 22.72 nm and 42.01, 43.73 nm, respectively. The coexistence of g-C3N4 (002) with a d-spacing of 0.325 nm and Sm2CeMnO6 planes of (222), (111), and (400) with spacing values of 0.314, 0.302, and 0.294 nm, respectively, was depicted in the HR-TEM image of the Sm2CeMnO6/g-C3N4 (20:80). The estimated bandgaps for the g-C3N4, Sm2CeMnO6, and Sm2CeMnO6/g-C3N4 (20:80) were 2.70, 2.60, and 2.65 eV, respectively. Their application was investigated in photocatalytic degradation of methylene blue (MB) dye as typical pollutant. The estimated degradation pathway of MB was also provided through LC-MS analysis. Under the identical conditions, the best photocatalytic performance was found for Sm2CeMnO6/g-C3N4 (20:80) composite. Using response surface methodology (RSM), operational parameters of the photocatalytic degradation were modeled and optimized by the best composite through central composite design approach. Applying optimized parameters led to 96% degradation of MB (8 mg/L) at pH 10 under 120 min visible light irradiation (λ > 365 nm) using 0.15 g of Sm2CeMnO6/g-C3N4 (20:80) composite in 100 mL aqueous solution. Due to low intrinsic charge transfer resistance, modified Eg, and good performance in e‒/h+ pairs production, Sm2CeMnO6/g-C3N4 (20:80) nanocomposite was introduced as a promising S-scheme photocatalyst.
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Affiliation(s)
- Ebrahim Abedini
- Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic), P.O. Box, Tehran, 15875-4413, Iran
| | - Mostafa Roudgar-Amoli
- Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic), P.O. Box, Tehran, 15875-4413, Iran
| | - Amin Alizadeh
- Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic), P.O. Box, Tehran, 15875-4413, Iran
| | - Zahra Shariatinia
- Department of Chemistry, Amirkabir University of Technology (Tehran Polytechnic), P.O. Box, Tehran, 15875-4413, Iran.
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Chaubisa P, Dharmendra D, Vyas Y, Chundawat P, Jangid NK, Ameta C. Synthesis and characterization of PANI and PANI-indole copolymer and study of their antimalarial and antituberculosis activity. Polym Bull (Berl) 2023:1-21. [PMID: 37362957 PMCID: PMC10243275 DOI: 10.1007/s00289-023-04873-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 03/31/2023] [Accepted: 05/28/2023] [Indexed: 06/28/2023]
Abstract
The preparation of polyaniline (PANI) and its copolymer with indole involved a chemical oxidative polymerization method, with benzene sulfonic acid (BSA, C6H6O3S) used as a dopant and potassium persulfate (PPS, K2S2O8) as an oxidant. The synthesized compounds underwent characterization using FTIR, 1H-NMR, TGA, and GPC techniques, which allowed the calculation of their average molecular weight and polydispersity index (PDI) through the GPC technique. The PDI values of the PANI copolymer with indole in different aniline-to-indole ratios were 1.53, 1.13, and 1.532 for 1:1, 1:2, and 2:1 ratios, respectively. Thermal stability was determined using TGA, revealing that the indole heterocyclic compound increased the inflexibility of the polymer chains in the synthesized PANI copolymer. The structure of the copolymer was further analyzed using 1HNMR and FTIR techniques, which confirmed the existence of benzenoid and quinoid groups in the PANI-indole copolymers, as well as the effect of doping on the polymer chains. The antibacterial and antifungal properties of the copolymers were studied against several bacterial and fungal strains and measured in terms of minimum inhibitory concentration. Results indicated that the inhibition rate of the PANI-indole copolymer on S. pyogenus (MTCC 442) was higher than that of standard drugs and individual PANI. The PANI-indole copolymers also displayed excellent antituberculosis and antimalarial activities, with the synthesized copolymer showing better outcomes than individual PANI.
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Affiliation(s)
- Purnima Chaubisa
- Department of Chemistry, Mohanlal Sukhadia University, Udaipur, Rajasthan India
| | | | - Yogeshwari Vyas
- Department of Chemistry, Mohanlal Sukhadia University, Udaipur, Rajasthan India
| | - Priyanka Chundawat
- Department of Chemistry, Mohanlal Sukhadia University, Udaipur, Rajasthan India
| | | | - Chetna Ameta
- Department of Chemistry, Mohanlal Sukhadia University, Udaipur, Rajasthan India
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Fan Z, Cheng P, Zhang P, Gao Y, Zhao Y, Liu M, Gu J, Wang Z, Han J. A novel multifunctional Salecan/κ-carrageenan composite hydrogel with anti-freezing properties: Advanced rheology, thermal analysis and model fitting. Int J Biol Macromol 2022; 208:1-10. [PMID: 35299074 DOI: 10.1016/j.ijbiomac.2022.03.054] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2022] [Revised: 02/25/2022] [Accepted: 03/09/2022] [Indexed: 12/11/2022]
Abstract
The multifunctional hydrogels (HGs) have attracted intensive concern in biomedicine, food, and flexible devices. Nevertheless, chemically crosslinked synthetic HGs are commonly under specific restrictions because of their possible biotoxicity. This study focuses on the employment of physical approaches to prepare novel Salecan/κ-carrageenan composites HGs (CHGs) without changing their basic structures. Comprehensive rheological and thermal studies have been performed to investigate their distinctive properties. The data obtained from the tests and model fitting confirmed that the highest activation energy of CHGs was 172,142.2 J/mol, and the maximum equilibrium creep compliance was 0.0085 1/Pa. The sample recovery rate could reach 92.6%, while the anti-freezing temperature can be as low as -20 °C. It is the first report focusing on novel CHGs made from Salecan and κ-carrageenan with ideal anti-freezing ability, enhanced thermostability, good injectability, self-recovery, and other rheological properties that will provide effective support for various future applications.
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Affiliation(s)
- Zhiping Fan
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, China.
| | - Ping Cheng
- Liaocheng High-Tech Biotechnology Co., Ltd, Liaocheng 252059, China
| | - Pan Zhang
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, China
| | - Yan Gao
- Liaocheng High-Tech Biotechnology Co., Ltd, Liaocheng 252059, China
| | - Yanna Zhao
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, China
| | - Min Liu
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, China
| | - Jiahui Gu
- Anton Paar (Shanghai) Trading Co., Ltd, Shanghai 201103, China
| | - Zhengping Wang
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, China
| | - Jun Han
- Institute of BioPharmaceutical Research, Liaocheng University, Liaocheng 252059, China
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Biodegradable Polyvinyl Alcohol/Carboxymethyl Cellulose Composite Incorporated with l-Alanine Functionalized MgO Nanoplates: Physico-chemical and Food Packaging Features. J Inorg Organomet Polym Mater 2022. [DOI: 10.1007/s10904-022-02261-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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Nickel (II), copper (II), and vanadyl (II) complexes with tridentate nicotinoyl hydrazone derivative functionalized as effective catalysts for epoxidation processes and as biological reagents. J Taiwan Inst Chem Eng 2022. [DOI: 10.1016/j.jtice.2021.104192] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Sharif HMA, Farooq M, Hussain I, Ali M, Mujtaba M, Sultan M, Yang B. Recent innovations for scaling up microbial fuel cell systems: Significance of physicochemical factors for electrodes and membranes materials. J Taiwan Inst Chem Eng 2021. [DOI: 10.1016/j.jtice.2021.09.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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9
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Preparation, Properties and Applications of the Hybrid Organic/Inorganic Nanocomposite Based on Nanoporous Carbon Matrix. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02050-w] [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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de Almeida RBM, de Almeida Luz RLS, Leite FHA, Botura MB. A Review on the in vitro Evaluation of the Anticholinesterase Activity Based on Ellman's Method. Mini Rev Med Chem 2021; 22:1803-1813. [PMID: 34711159 DOI: 10.2174/1389557521666211027104638] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2020] [Revised: 05/12/2021] [Accepted: 06/29/2021] [Indexed: 11/22/2022]
Abstract
Inhibition of cholinesterases is a common strategy for the treatment of several disorders, especially Alzheimer´s disease. In vitro assays represent a critical step towards identifying molecules with potential anticholinesterase effect. This study aimed at providing a comprehensive review of the methodologies used in vitro for the anticholinesterase activity based on the spectrophotometry of Ellman's method. This work used two databases (PubMed and ScienceDirect) to search for original articles and selected publications between 1961 and 2019, which reported in vitro spectrophotometry assays for anticholinesterase activity. After the search process and the selection of publications, the final sample consisted of 146 articles published in several journals submitted by researchers from different countries. Although the studies analyzed in this work are all within the same conception of in vitro tests based on Ellman's method, one can observe a wide divergence in the origin and concentration of enzyme, the choice and pH of the buffer, the concentration of the substrate, the sample diluent, incubation time, temperature, and time of the spectrophotometric reading interval. There is no consensus in the methodology of studies with in vitro tests for anticholinesterase assessment. The methodological variations related to kinetic parameters may interfere in the characterization of cholinesterase inhibitors.
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Affiliation(s)
| | | | - Franco Henrique Andrade Leite
- Laboratório de Quimioinformática e Avaliação Biológica, Departamento de Saúde, Universidade Estadual de Feira de Santana, Bahia. Brazil
| | - Mariana Borges Botura
- Laboratório de Toxicologia, Departamento de Saúde, Universidade Estadual de Feira de Santana, Bahia. Brazil
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El-Naggar ME, Abu Ali OA, Abu-Saied MA, Ahmed MK, Abdel-Fattah E, Saleh DI. Tailoring combinations of hydroxyapatite/cadmium selenite/graphene oxide based on their structure, morphology, and antibacterial activity. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02115-w] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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12
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Influence of Cu Irons on Structural, Optical, and Electrical Properties of Pure WS2 Thin Films and Development of p-Si/n-Cu@WS2 Photodiode for Optoelectronic Application. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02110-1] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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13
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A Facile Preparation of Zinc Cobaltite (ZnCo2O4) Nanostructures for Promising Supercapacitor Applications. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02077-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
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14
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Ultrasonic-assisted extraction, calcium alginate encapsulation and storage stability of mulberry pomace phenolics. JOURNAL OF FOOD MEASUREMENT AND CHARACTERIZATION 2021. [DOI: 10.1007/s11694-021-01021-6] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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15
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An Amalgam of Mg-Doped TiO2 Nanoparticles Prepared by Sol–Gel Method for Effective Antimicrobial and Photocatalytic Activity. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02076-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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16
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Arunwuttipong A, Jangtawee P, Vchirawongkwin V, Kangwansupamonkon W, Asavanant K, Ekgasit S. Public Buses Decontamination by Automated Hydrogen Peroxide Aerosolization System. Open Access Maced J Med Sci 2021. [DOI: 10.3889/oamjms.2021.6828] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
BACKGROUND: Public transportation has been linked to an increase in the risk of coronavirus disease 2019 transmission. The effective decontamination system using aerosolized hydrogen peroxide can mitigate the transmission risk from using public transportation.
AIM: The aim of this study was to develop and validate an effective decontamination system for public transport.
METHODS: The experimental research was performed in 13 inter-city public buses. The aerosol generator with ultrasonic atomizer was used in the experiment. The validation process for disinfection was conducted using both a chemical indicator (CI) and spore discs biological indicator (inoculated with 106 Geobacillus stearothermophilus enclosed in glassine envelopes). The CIs and biological indicators were marked by number and placed in nine locations on each bus. The decontamination cycle was developed by analyzed of various aerosolized and decomposition period. Both concentrations of hydrogen peroxide, 5% and 7%, were used for comparison.
RESULTS: In an aerosolized period, both concentrations of hydrogen peroxide at 30 min were effective for sporicidal 6-log reductions. The decontamination cycle totaled 100 min, based on a 70 min average decomposition time.
CONCLUSIONS: The automated hydrogen peroxide aerosolized system is a highly effective and safe method of decontaminating public buses.
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Mohanta YK, Biswas K, Rauta PR, Mishra AK, De D, Hashem A, Al-Arjani ABF, Alqarawi AA, Abd-Allah EF, Mahanta S, Mohanta TK. Development of Graphene Oxide Nanosheets as Potential Biomaterials in Cancer Therapeutics: An In-Vitro Study Against Breast Cancer Cell Line. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02046-6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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18
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Borhade AV, Bobade VD, Tope DR, Agashe JA, Kushare SS. A Highly Selective and Sensitive H2S Gas Sensor Based on Novel Nanostructure Core–Shell FeCr2O4@ZnO@MgO. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02072-4] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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Rathee G, Bartwal G, Rathee J, Mishra YK, Kaushik A, Solanki PR. Emerging Multimodel Zirconia Nanosystems for High‐Performance Biomedical Applications. ADVANCED NANOBIOMED RESEARCH 2021. [DOI: 10.1002/anbr.202100039] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Affiliation(s)
- Garima Rathee
- Special Centre for Nano science Jawaharlal Nehru University New Delhi India
| | - Gaurav Bartwal
- Hemwati Nandan Bahuguna Garhwal University Birla Campus, Pauri Garhwal Srinagar Uttarakhand 246174 India
| | - Jyotsna Rathee
- CSE Department Deenbandhu Chhoturam University of Science and Technology Murthal Haryana 131039 India
| | - Yogendra Kumar Mishra
- Mads Clausen Institute NanoSYD University of Southern Denmark Alison 2 6400 Sønderborg Denmark
| | - Ajeet Kaushik
- NanoBioTech Laboratory Department of Natural Sciences, Division of Sciences, Art, and Mathematics Florida Polytechnic University Lakeland FL 33805 USA
| | - Pratima R. Solanki
- Special Centre for Nano science Jawaharlal Nehru University New Delhi India
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Beena V, Ajitha S, Rayar SL, Parvathiraja C, Kannan K, Palani G. Enhanced Photocatalytic and Antibacterial Activities of ZnSe Nanoparticles. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-02053-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Firooziyan S, Amani A, Osanloo M, Moosa-Kazemi SH, Basseri HR, Hajipirloo HM, Sadaghianifar A, Sedaghat MM. Preparation of nanoemulsion of Cinnamomum zeylanicum oil and evaluation of its larvicidal activity against a main malaria vector Anopheles stephensi. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:1025-1034. [PMID: 34150290 PMCID: PMC8172860 DOI: 10.1007/s40201-021-00667-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/18/2021] [Accepted: 04/05/2021] [Indexed: 06/12/2023]
Abstract
PURPOSE There is a growing need to use green and efficient larvicidal as alternatives for conventional chemicals in vector control programs. Nanotechnology has provided a promising approach for research and development of new larvicides. Larvicidal potential of a nanoemulsion of Cinnamomum zeylanicum essential oil reports against Anopheles stephensi. METHODS The nanoemulsion of was formulated in various ratios comprising of C. zeylanicum oil, tween 80, span 20 and water by stirrer. It was characterized by transmission electron microscopy (TEM) and dynamic light scattering (DLS). All components of C. zeylanicum essential oil were identified by GC-MS analysis. The larvicidal potential of the oil and its nanoformulation were evaluated against larvae of An. stephensi. The stability and durability of nanoemulsion was observed over a period of time. RESULTS Sixty one components in the oil were identified, cinnamaldehyde (56.803%) was the main component. The LC90 and LC50 values of C. zeylanicum essential oil were calculated as 49 ppm and 37 ppm, respectively. The nanoemulsion droplets were found spherical in shape. It was able to kill 100% of larvae in up to 3 days. It was stable after dilution and increased its larvicidal activity up to 32% compared with the essential oil. CONCLUSIONS A novel larvicide based on nanotechnology introduced. This experiment clearly showed increasing larvicidal activity and residual effect of the nanoformulation in comparison with the bulk essential oil. It could be concluded that this nanoemulsion may be considered as safe larvicide and should be subject of more research in this field. GRAPHICAL ABSTRACT
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Affiliation(s)
- Samira Firooziyan
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
- Urmia Health Center, Disease Control Unit, Urmia University of Medical Sciences, Urmia, Iran
| | - Amir Amani
- Natural Products and Medicinal Plants Research Center, North Khorasan University of Medical Sciences, Bojnurd, Iran
- Medical Biomaterials Research Center (MBRC), Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmoud Osanloo
- Department of Medical Nanotechnology, School of Advanced Technologies in Medicine, Fasa University of Medical Sciences, Fasa, Iran
| | - Seyed Hasan Moosa-Kazemi
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Hamid Reza Basseri
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | | | - Ali Sadaghianifar
- Urmia Health Center, Disease Control Unit, Urmia University of Medical Sciences, Urmia, Iran
| | - Mohammad Mehdi Sedaghat
- Department of Medical Entomology and Vector Control, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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Soleimani M, Rezaie S, Nabizadeh Nodehi R, Jahed Khaniki G, Alimohammadi M, Alikord M, Noorbakhsh F, Molaee-Aghaee E, Ghanbari R. Eco-friendly control of licorice aqueous extract to increase quality and resistance to postharvest decay in apple and tangerine fruits. JOURNAL OF ENVIRONMENTAL HEALTH SCIENCE & ENGINEERING 2021; 19:1107-1116. [PMID: 34150298 PMCID: PMC8172759 DOI: 10.1007/s40201-021-00677-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2021] [Accepted: 05/17/2021] [Indexed: 06/12/2023]
Abstract
BACKGROUND Postharvest diseases in fruits and vegetables are one of the major problems in storing them as a fresh agri-product. This study aimed to investigate the antifungal activity of licorice (Glycyrrhiza glabra) aqueous extract against the Penicillium expansum and the Penicillium digitatum in apple and tangerine fruits as well as their postharvest decay during storage time. METHODS The minimum inhibitory concentration (MIC) of the molds, and the decay inhibition percentage (%DI) with the P.expansum for apple and P.digitatum for tangerine after treatment with licorice aqueous extract were measured. Additionally, the lesion diameter, titratable acidity (TA), total soluble solids (TSS), pH, and organoleptic properties were determined. RESULTS The growth of molds was almost inhibited at the concentration of 62.5 mg/mL. The ability of licorice aqueous extract to significantly control and reduce the growth of P. expansum in apple by 60 and 20 % after 7 days and 21 days of storage time was proved, respectively. Furthermore, significant differences in pH and TSS (p < 0.05) were observed in apples. Also, the growth of P. digitatum in the tangerine reduced by 33.3 % after 7 days, while there was no significant difference between the control and treatment groups in pH and TSS for apples, and similarly, there was no significant difference in TA for tangerine samples. CONCLUSIONS Therefore, the licorice aqueous extract treatment could postpone the blue mold decay in apple fruits and green mold decay in tangerine without any significant effect on fruit quality characteristics. It can be considered as a new eco-friendly control in fruit preservation, while it did not result in any significant adverse effect on the quality.
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Affiliation(s)
- Mina Soleimani
- Food Safety & Hygiene Division, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Sassan Rezaie
- Department of Medical Mycology & Parasitology, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Ramin Nabizadeh Nodehi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Gholamreza Jahed Khaniki
- Food Safety & Hygiene Division, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahmood Alimohammadi
- Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Mahsa Alikord
- Food Safety & Hygiene Division, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Noorbakhsh
- Department of Microbiology, Biological Science College, Islamic Azad University, Varamin-Pishva Branch, Varamin, Iran
| | - Ebrahim Molaee-Aghaee
- Food Safety & Hygiene Division, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - Rooholla Ghanbari
- Food Safety & Hygiene Division, Department of Environmental Health Engineering, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran
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