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Hayat A, Sohail M, El Jery A, Al-Zaydi KM, Raza S, Khan J, Ali H, Ajmal Z, Taha TA, Ud Din I, Amin MA, Hussein MA, Al-Hadeethi Y, Orooji Y, Ansari MZ. Different Dimensionalities, Morphological Advancements and Engineering of g-C 3 N 4 -Based nanomaterials for Energy Conversion and Storage. CHEM REC 2023; 23:e202200171. [PMID: 37066717 DOI: 10.1002/tcr.202200171] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/05/2022] [Revised: 02/21/2023] [Indexed: 04/18/2023]
Abstract
Graphitic carbon nitride (g-C3 N4 ) has gained tremendous interest in the domain of power transformation and retention, because of its distinctive stacked composition, adjustable electronic structure, metal-free feature, superior thermodynamic durability, and simple availability. Furthermore, the restricted illumination and extensive recombination of photoexcitation radicals have inhibited the photocatalytic performance of pure g-C3 N4 . The dimensions of g-C3 N4 may impact the field of electronics confinement; as a consequence, g-C3 N4 with varying dimensions shows unique features, making it appropriate for a number of fascinating uses. Even if there are several evaluations emphasizing on the fabrication methods and deployments of g-C3 N4 , there is certainly an insufficiency of a full overview, that exhaustively depicts the synthesis and composition of diverse aspects of g-C3 N4 . Consequently, from the standpoint of numerical simulations and experimentation, several legitimate methodologies were employed to deliberately develop the photocatalyst and improve the optimal result, including elements loading, defects designing, morphological adjustment, and semiconductors interfacing. Herein, this evaluation initially discusses different dimensions, the physicochemical features, modifications and interfaces design development of g-C3 N4 . Priority is concentrated on the sensible layout, and advancement of g-C3 N4 for the diverse implementations in power transformation and inventory, such as photocatalytic H2 progression, photoreduction of CO2 source, electrocatalytic H2 development, O2 propagation, O2 reduction, alkali-metal battery cells, lithium-ion batteries, lithium-sulfur batteries, and metal-air batteries. Ultimately, the current challenges and potential of g-C3 N4 for fuel transformation and retention activities are explored.
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Affiliation(s)
- Asif Hayat
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, 321004, Zhejiang PR, China
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, China
| | - Muhammad Sohail
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, China
| | - Atef El Jery
- Department of Chemical Engineering, College of Engineering, King Khalid University, Abha, 61411, Saudi Arabia
- National Engineering School of Gabes, Gabes University, Ibn El Khattab Street, Zrig Gabes, 6029, Tunisia
| | - Khadijah M Al-Zaydi
- Department of Chemistry, University of Jeddah, College of Science, Jeddah, 21419, Saudi Arabia
| | - Saleem Raza
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, 321004, Zhejiang PR, China
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, China
| | - Javid Khan
- College of Materials Science and Engineering, Hunan Joint International Laboratory of Advanced Materials and Technology for Clean Energy, Hunan University, Changsha, 410082, China
| | - Hamid Ali
- Multiscale Computational Materials Facility, Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, 350100, Fuzhou, China
| | - Zeeshan Ajmal
- Key Laboratory of the Ministry of Education for Advanced Catalysis Materials, Institute of Physical Chemistry, Zhejiang Normal University, Jinhua, 321004, China
| | - T A Taha
- Physics Department, College of Science, Jouf University, PO Box 2014, Sakaka, Saudi Arabia
- Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - Israf Ud Din
- Department of Chemistry, College of Science and Humanities, Prince Sattam bin Abdulaziz University, Al-Kharj, 16278, Saudi Arabia
| | - Mohammed A Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Mahmoud Ali Hussein
- Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Department of Chemistry, Faculty of Science, Assiut University, Assiut, 71516, Egypt
| | - Yas Al-Hadeethi
- Physics Department, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
- Lithography in Devices Fabrication and Development Research Group, Deanship of Scientific Research, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Yasin Orooji
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, China
| | - Mohd Zahid Ansari
- School of Materials Science and Engineering, Yeungnam University, Gyeongsan, 712749, Republic of Korea (South Korea
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Alrowaili ZA, Makhlouf Fathy H, Elsayed HA, Aouassa M, Mahmoud MH, El-Nasser KS, Taha TA, Mehaney A. Heavy metals biosensor based on defective one-dimensional phononic crystals. Ultrasonics 2023; 130:106928. [PMID: 36638649 DOI: 10.1016/j.ultras.2023.106928] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/25/2022] [Revised: 12/25/2022] [Accepted: 01/05/2023] [Indexed: 06/17/2023]
Abstract
In recent years, the detection of water pollution with low levels of heavy metals has attracted the great attention of many researchers as a result of the imminent danger of this type of pollution to all mankind. Meanwhile, we introduce a theoretical approach based on the one-dimensional phononic crystals (1D-PnCs) with a central defect layer as a novel platform for the highly sensitive detection of heavy metal pollution in freshwater. Therefore, the creation of a resonant peak in the transmittance spectrum related to this defect layer is highly conceivable. In this regard, the detection of cadmium chloride (CdCl2) as a dangerous, toxic, and extremely hazardous heavy metal could be investigated based on the small displacement in the position of this resonant peak with the changes in the CdCl2 concentration. Notably, any change in CdCl2 concentration has a direct impact on its acoustic properties. The theoretical framework of our research study is essentially based on the 2 × 2 transfer matrix method and the acoustic properties of the constituent materials as well. The optimization of all sensor parameters represents the mainstay of this study to get the best sensor performance. In this regard, the proposed sensor has a remarkably high sensitivity (S = 1904.25 Hz/ppm) over a concentration range of 0 - 10000 ppm. In addition, the sensor has a high quality factor (QF), and figure of merit of 1771.318, and 73529410-5 (ppm-1), respectively. Finally, we believe this sensor could be a key component of a feasible platform for detecting low concentrations of different heavy metal ions in freshwater.
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Affiliation(s)
- Z A Alrowaili
- Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia.
| | - Hamza Makhlouf Fathy
- Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef 62512, Egypt
| | - Hussein A Elsayed
- Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef 62512, Egypt
| | - M Aouassa
- Physics Department, College of Science and Arts, Jouf University, P.O. Box 756, Al-Gurayyat, Saudi Arabia
| | - M H Mahmoud
- Physics Department, College of Science and Arts, Jouf University, P.O. Box 756, Al-Gurayyat, Saudi Arabia
| | - Karam S El-Nasser
- Chemistry Department, College of Science and Arts, Jouf University, P.O. Box 756, Al-Gurayyat, Saudi Arabia
| | - T A Taha
- Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Ahmed Mehaney
- Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef 62512, Egypt
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Alburaih HA, Manzoor S, Abdullah M, Ashiq MN, Aman S, Trukhanov SV, Zubar TI, Sun Z, Taha TA, Trukhanov AV. Electro-oxidation reconstitution of aluminium copper MOF-derived metal oxyhydroxides for a robust OER process. RSC Adv 2023; 13:8736-8742. [PMID: 36936821 PMCID: PMC10015629 DOI: 10.1039/d2ra07661f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2022] [Accepted: 01/30/2023] [Indexed: 03/17/2023] Open
Abstract
It is common knowledge that the O2 evolution reaction (OER) is a crucial half-reaction in the electrolysis of water. However, it is currently difficult to create inexpensive OER electrode materials in a way that is efficient, simple, and environmentally friendly. In this research, metal oxy-hydroxides with numerous oxygen defects (M-OOHv) are created at surface of Cu foam (CF) using a unique, straightforward electro-oxidation reconstitution (ER) process. Different spectroscopic and microscopy methods are used to analyse the electrode characteristics of Al2Cu-MOF@M-OOHv-ER/CF; electrochemical measurements display a lower overpotential (η) of 366 mV @ 10 mA cm-2 and a Tafel slope of 95.2 mV dec-1 in 1.0 M KOH. X-Ray diffraction (XRD), scanning electron microscopy (SEM), and Raman studies confirm the phase transition of the metal-organic framework (MOF) to the M-OOH, which acts as the active site to boost the OER activity. Through spectroscopic and microscopic investigations, it is determined that the efficiency of bimetallic electrode materials and oxygen vacancies in the M-OOHv have an impact on the electron power density. The manufactured electrode material additionally showed good durability for 50 hours. As a result, the newly developed Al2Cu-MOF@M-OOHv-ER/CF nanomaterial has greater potential for both electrolysis of water and other energy storage equipment.
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Affiliation(s)
- H A Alburaih
- Department of Physics, College of Science, Princess Nourah bint Abdulrahman University P.O. Box 84428 Riyadh 11671 Saudi Arabia
| | - Sumaira Manzoor
- Institute of Chemical Sciences, Bahauddin Zakariya University Multan 60800 Pakistan
| | - M Abdullah
- Department of Chemistry, Government College University Lahore Pakistan
| | - M N Ashiq
- Institute of Chemical Sciences, Bahauddin Zakariya University Multan 60800 Pakistan
| | - Salma Aman
- Institute of Chemical Sciences, Bahauddin Zakariya University Multan 60800 Pakistan
| | - Sergei V Trukhanov
- Smart Sensors Laboratory, Department of Electronic Materials Technology, National University of Science and Technology MISiS Moscow 119049 Russia
- Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus Minsk 220072 Belarus
| | - Tatiana I Zubar
- Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus Minsk 220072 Belarus
| | - Zhipeng Sun
- School of Materials and Energy, Guangdong University of Technology, Guangzhou Higher Education Mega Center No.100 Waihuan Xi Road, Panyu District Guangzhou 510006 P. R. China
| | - T A Taha
- Physics Department, College of Science, Jouf University P.O. Box 2014 Sakaka Saudi Arabia
- Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University Menouf 32952 Egypt
| | - Alex V Trukhanov
- Smart Sensors Laboratory, Department of Electronic Materials Technology, National University of Science and Technology MISiS Moscow 119049 Russia
- Scientific-Practical Materials Research Centre of National Academy of Sciences of Belarus Minsk 220072 Belarus
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Almawgani AHM, Elsayed HA, Mehaney A, Taha TA, Alrowaili ZA, Ali GA, Sabra W, Asaduzzaman S, Ahmed AM. Photonic crystal nanostructure as a photodetector for NaCl solution monitoring: theoretical approach. RSC Adv 2023; 13:6737-6746. [PMID: 36860529 PMCID: PMC9969983 DOI: 10.1039/d3ra00308f] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/15/2023] [Accepted: 02/20/2023] [Indexed: 03/03/2023] Open
Abstract
In this research, we have a theoretical simple and highly sensitive sodium chloride (NaCl) sensor based on the excitation of Tamm plasmon resonance through a one-dimensional photonic crystal structure. The configuration of the proposed design was, [prism/gold (Au)/water cavity/silicon (Si)/calcium fluoride (CaF2)10/glass substrate]. The estimations are mainly investigated based on both the optical properties of the constituent materials and the transfer matrix method as well. The suggested sensor is designed for monitoring the salinity of water by detecting the concentration of NaCl solution through near-infrared (IR) wavelengths. The reflectance numerical analysis showed the Tamm plasmon resonance. As the water cavity is filled with NaCl of concentrations ranging from 0 g l-1 to 60 g l-1, Tamm resonance is shifted towards longer wavelengths. Furthermore, the suggested sensor provides a relatively high performance compared to its photonic crystal counterparts and photonic crystal fiber designs. Meanwhile, the sensitivity and detection limit of the suggested sensor could reach the values of 24 700 nm per RIU (0.576 nm (g l)-1) and 0.217 g l-1, respectively. Therefore, the suggested design could be of interest as a promising platform for sensing and monitoring NaCl concentrations and water salinity as well.
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Affiliation(s)
- Abdulkarem H. M. Almawgani
- Electrical Engineering Department, College of Engineering, Najran UniversityNajranKingdom of Saudi Arabia
| | - Hussein A. Elsayed
- Physics Department, Faculty of Science, Beni-Suef UniversityBeni-Suef62512Egypt
| | - Ahmed Mehaney
- Physics Department, Faculty of Science, Beni-Suef University Beni-Suef 62512 Egypt
| | - T. A. Taha
- Physics Department, College of Science, Jouf UniversityP.O. Box 2014SakakaSaudi Arabia,Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia UniversityMenouf 32952Egypt
| | - Ziyad Awadh Alrowaili
- Physics Department, College of Science, Jouf UniversityP.O. Box 2014SakakaSaudi Arabia
| | - Ghassan Ahmed Ali
- Information Systems Department, College of Computer Sciences and Information Systems, Najran UniversityNajranSaudi Arabia
| | - Walied Sabra
- Physics Department, Faculty of Science, Beni-Suef University Beni-Suef 62512 Egypt
| | - Sayed Asaduzzaman
- Department of CSE, Rangamati Science and Technology UniversityRangamatiBangladesh,Department of Computer Science and Engineering, Daffodil International UniversityDhakaBangladesh
| | - Ashour M. Ahmed
- Physics Department, Faculty of Science, Beni-Suef UniversityBeni-Suef62512Egypt,Physics Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU)Riyadh 11623Saudi Arabia
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Hayat A, Sohail M, Ali H, Taha TA, Qazi HIA, Ur Rahman N, Ajmal Z, Kalam A, Al-Sehemi AG, Wageh S, Amin MA, Palamanit A, Nawawi WI, Newair EF, Orooji Y. Recent Advances and Future Perspectives of Metal-Based Electrocatalysts for Overall Electrochemical Water Splitting. CHEM REC 2023; 23:e202200149. [PMID: 36408911 DOI: 10.1002/tcr.202200149] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2022] [Revised: 10/15/2022] [Indexed: 11/22/2022]
Abstract
Recently, the growing demand for a renewable and sustainable fuel alternative is contingent on fuel cell technologies. Even though it is regarded as an environmentally sustainable method of generating fuel for immediate concerns, it must be enhanced to make it extraordinarily affordable, and environmentally sustainable. Hydrogen (H2 ) synthesis by electrochemical water splitting (ECWS) is considered one of the foremost potential prospective methods for renewable energy output and H2 society implementation. Existing massive H2 output is mostly reliant on the steaming reformation of carbon fuels that yield CO2 together with H2 and is a finite resource. ECWS is a viable, efficient, and contamination-free method for H2 evolution. Consequently, developing reliable and cost-effective technology for ECWS was a top priority for scientists around the globe. Utilizing renewable technologies to decrease total fuel utilization is crucial for H2 evolution. Capturing and transforming the fuel from the ambient through various renewable solutions for water splitting (WS) could effectively reduce the need for additional electricity. ECWS is among the foremost potential prospective methods for renewable energy output and the achievement of a H2 -based economy. For the overall water splitting (OWS), several transition-metal-based polyfunctional metal catalysts for both cathode and anode have been synthesized. Furthermore, the essential to the widespread adoption of such technology is the development of reduced-price, super functional electrocatalysts to substitute those, depending on metals. Many metal-premised electrocatalysts for both the anode and cathode have been designed for the WS process. The attributes of H2 and oxygen (O2 ) dynamics interactions on the electrodes of water electrolysis cells and the fundamental techniques for evaluating the achievement of electrocatalysts are outlined in this paper. Special emphasis is paid to their fabrication, electrocatalytic performance, durability, and measures for enhancing their efficiency. In addition, prospective ideas on metal-based WS electrocatalysts based on existing problems are presented. It is anticipated that this review will offer a straight direction toward the engineering and construction of novel polyfunctional electrocatalysts encompassing superior efficiency in a suitable WS technique.
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Affiliation(s)
- Asif Hayat
- College of Chemistry and Life Sciences, Zhejiang Normal University, 321004, Jinhua, Zhejiang, P. R. China.,College of Geography and Environmental Sciences, Zhejiang Normal University, 321004, Jinhua, China
| | - Muhammad Sohail
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, 313001, Huzhou, P. R. China
| | - Hamid Ali
- Multiscale Computational Materials Facility, Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, 350100, Fuzhou, China
| | - T A Taha
- Physics Department, College of Science, Jouf University, PO Box 2014, Sakaka, Saudi Arabia.,Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - H I A Qazi
- College of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, 400065, Chongqing, China
| | - Naveed Ur Rahman
- Department of Physics, Bacha Khan University Charsadda, KP, Pakistan
| | - Zeeshan Ajmal
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, 710072, Xian, P. R. China
| | - Abul Kalam
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia
| | - Abdullah G Al-Sehemi
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, 61413, Abha, Saudi Arabia
| | - S Wageh
- Department of Physics, Faculty of Science, King Abdulaziz University, 21589, Jeddah, Saudi Arabia.,Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, 32952, Menouf, Egypt
| | - Mohammed A Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, 21944, Taif, Saudi Arabia
| | - Arkom Palamanit
- Energy Technology Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, 15 Karnjanavanich Rd., 90110, Hat Yai, Songkhla, Thailand
| | - W I Nawawi
- Faculty of Applied Sciences, Universiti Teknologi MARA, 02600, Cawangan Perlis, Arau Perlis, Malaysia
| | - Emad F Newair
- Chemistry Department, Faculty of Science, Sohag University, 82524, Sohag, Egypt
| | - Yasin Orooji
- College of Geography and Environmental Sciences, Zhejiang Normal University, 321004, Jinhua, China
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Hayat A, Sohail M, Taha TA, Alenad AM, Irfan A, Shaishta N, Hayat A, Mane SKB, Khan WU. Correction: A butterfly shaped organic heterojunction photocatalyst for effective photocatalytic CO 2 reduction. CrystEngComm 2023. [DOI: 10.1039/d3ce90010j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
Correction for ‘A butterfly shaped organic heterojunction photocatalyst for effective photocatalytic CO2 reduction’ by Asif Hayat et al., CrystEngComm, 2021, 23, 4963–4974, https://doi.org/10.1039/D1CE00405K.
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Affiliation(s)
- Asif Hayat
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou, 350002, P. R. China
| | - Muhammad Sohail
- Institute for Advanced Study, Shenzhen University, Shenzhen, 518060, P. R. China
| | - T. A. Taha
- Physics Department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia
- Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - Asma M. Alenad
- Chemistry Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
| | - Ahmad Irfan
- Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Naghma Shaishta
- Department of Post-graduate Studies and Research in Chemistry, Gulbarga University, Gulbarga, 585106, India
| | - Ashiq Hayat
- Department of Physics, Quaid Azam University, Islamabad, Pakistan
| | | | - Wasim Ullah Khan
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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Hayat A, Sohail M, Anwar U, Taha TA, Qazi HIA, Amina, Ajmal Z, Al-Sehemi AG, Algarni H, Al-Ghamdi AA, Amin MA, Palamanit A, Nawawi WI, Newair EF, Orooji Y. A Targeted Review of Current Progress, Challenges and Future Perspective of g-C 3 N 4 based Hybrid Photocatalyst Toward Multidimensional Applications. CHEM REC 2023; 23:e202200143. [PMID: 36285706 DOI: 10.1002/tcr.202200143] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2022] [Revised: 09/12/2022] [Indexed: 01/21/2023]
Abstract
The increasing demand for searching highly efficient and robust technologies in the context of sustainable energy production totally rely onto the cost-effective energy efficient production technologies. Solar power technology in this regard will perceived to be extensively employed in a variety of ways in the future ahead, in terms of the combustion of petroleum-based pollutants, CO2 reduction, heterogeneous photocatalysis, as well as the formation of unlimited and sustainable hydrogen gas production. Semiconductor-based photocatalysis is regarded as potentially sustainable solution in this context. g-C3 N4 is classified as non-metallic semiconductor to overcome this energy demand and enviromental challenges, because of its superior electronic configuration, which has a median band energy of around 2.7 eV, strong photocatalytic stability, and higher light performance. The photocatalytic performance of g-C3 N4 is perceived to be inadequate, owing to its small surface area along with high rate of charge recombination. However, various synthetic strategies were applied in order to incorporate g-C3 N4 with different guest materials to increase photocatalytic performance. After these fabrication approaches, the photocatalytic activity was enhanced owing to generation of photoinduced electrons and holes, by improving light absorption ability, and boosting surface area, which provides more space for photocatalytic reaction. In this review, various metals, non-metals, metals oxide, sulfides, and ferrites have been integrated with g-C3 N4 to form mono, bimetallic, heterojunction, Z-scheme, and S-scheme-based materials for boosting performance. Also, different varieties of g-C3 N4 were utilized for different aspects of photocatalytic application i. e., water reduction, water oxidation, CO2 reduction, and photodegradation of dye pollutants, etc. As a consequence, we have assembled a summary of the latest g-C3 N4 based materials, their uses in solar energy adaption, and proper management of the environment. This research will further well explain the detail of the mechanism of all these photocatalytic processes for the next steps, as well as the age number of new insights in order to overcome the current challenges.
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Affiliation(s)
- Asif Hayat
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, 321004, Zhejiang, PR, China.,College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, China
| | - Muhammad Sohail
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, P.R. China
| | - Usama Anwar
- Soochow Institute for Energy and Materials Innovations, College of Energy, Soochow University, Suzhou, 215006, China
| | - T A Taha
- Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia.,Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - H I A Qazi
- College of Optoelectronic Engineering, Chongqing University of Posts and Telecommunications, Chongqing, 400065, China
| | - Amina
- Department of Physics, Bacha Khan University Charsadda, Pakistan
| | - Zeeshan Ajmal
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, 710072, Xian, PR China
| | - Abdullah G Al-Sehemi
- Research Center for Adv. Mater. Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Hamed Algarni
- Research Center for Adv. Mater. Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.,Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Ahmed A Al-Ghamdi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Mohammed A Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Arkom Palamanit
- Energy Technol. Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, 15 Karnjanavanich Rd., Hat Yai, Songkhla 90110, Thailand
| | - W I Nawawi
- Faculty of Applied Sciences, Universiti Teknologi MARA, Cawangan Perlis, 02600, Arau Perlis, Malaysia
| | - Emad F Newair
- Chemistry Department, Faculty of Science, Sohag University, Sohag, 82524, Egypt
| | - Yasin Orooji
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, China
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Hayat A, Sohail M, Qadeer A, Taha TA, Hussain M, Ullah S, Al-Sehemi AG, Algarni H, Amin MA, Aqeel Sarwar M, Nawawi WI, Palamanit A, Orooji Y, Ajmal Z. Recent Advancement in Rational Design Modulation of MXene: A Voyage from Environmental Remediation to Energy Conversion and Storage. CHEM REC 2022; 22:e202200097. [PMID: 36103617 DOI: 10.1002/tcr.202200097] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Revised: 08/24/2022] [Indexed: 12/14/2022]
Abstract
Use of MXenes (Ti3 C2 Tx ), which belongs to the family of two-dimensional transition metal nitrides and carbides by encompassing unique combination of metallic conductivity and hydrophilicity, is receiving tremendous attention, since its discovery as energy material in 2011. Owing to its precursor selective chemical etching, and unique intrinsic characteristics, the MXene surface properties are further classified into highly chemically active compound, which further produced different surface functional groups i. e., oxygen, fluorine or hydroxyl groups. However, the role of surface functional groups doesn't not only have a significant impact onto its electrochemical and hydrophilic characteristics (i. e., ion adsorption/diffusion), but also imparting a noteworthy effect onto its conductivity, work function, electronic structure and properties. Henceforth, such kind of inherent chemical nature, robust electrochemistry and high hydrophilicity ultimately increasing the MXene application as a most propitious material for overall environment-remediation, electrocatalytic sensors, energy conversion and storage application. Moreover, it is well documented that the role of MXenes in all kinds of research fields is still on a progress stage for their further improvement, which is not sufficiently summarized in literature till now. The present review article is intended to critically discuss the different chemical aptitudes and the diversity of MXenes and its derivates (i. e., hybrid composites) in all aforesaid application with special emphasis onto the improvement of its surface characteristics for the multidimensional application. However, this review article is anticipated to endorse MXenes and its derivates hybrid configuration, which is discussed in detail for emerging environmental decontamination, electrochemical use, and pollutant detection via electrocatalytic sensors, photocatalysis, along with membrane distillation and the adsorption application. Finally, it is expected, that this review article will open up new window for the effective use of MXene in a broad range of environmental remediation, energy conversion and storage application as a novel, robust, multidimensional and more proficient materials.
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Affiliation(s)
- Asif Hayat
- College of Chemistry and Life Sciences, Zhejiang Normal University, Jinhua, 321004, Zhejiang PR, China.,College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, China
| | - Muhammad Sohail
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, China
| | - A Qadeer
- National Engineering Laboratory for Lake Pollution Control and Ecological Restoration, Chinese Research Academy of Environmental Sciences, 10012, Beijing, China
| | - T A Taha
- Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia.,Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - Majid Hussain
- State Key Laboratory of Oil and Gas Reservoir Geology and Exploitation, Southwest Petroleum University, Chengdu, 610500, P. R. China
| | - Sami Ullah
- Research Center forAdv. Mater. Science(RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Abdullah G Al-Sehemi
- Research Center forAdv. Mater. Science(RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Hamed Algarni
- Research Center forAdv. Mater. Science(RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.,Department of Physics, Faculty of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Mohammed A Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Muhammad Aqeel Sarwar
- Land Resource research Institute and Crop Science Center, National Agriculture Research Center (NARC), Park Road, Islamabad, Pakistan
| | - W I Nawawi
- Faculty of Applied Sciences, Universiti Teknologi MARA, Cawangan Perlis, 02600, Arau Perlis, Malaysia
| | - Arkom Palamanit
- Energy Technology Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, 15 Karnjanavanich Rd., Hat Yai, Songkhla 90110, Thailand
| | - Yasin Orooji
- College of Geography and Environmental Sciences, Zhejiang Normal University, Jinhua, 321004, China
| | - Zeeshan Ajmal
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, 710072, Xian, PR China
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Taha TA, Elsayed HA, Mehaney A, Hajjiah A, Ahmed AM. Hybrid Tamm plasmon resonance excitation towards a simple and efficient biomedical detector of NaI solution. RSC Adv 2022; 12:28985-28996. [PMID: 36320772 PMCID: PMC9552533 DOI: 10.1039/d2ra04184g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/30/2022] [Indexed: 11/07/2022] Open
Abstract
This work presents a theoretical verification for the detection of Sodium iodide (NaI) solution with different concentrations in the vicinity of Tamm plasmon (TP) resonance. The proposed sensing tool is constituted of {prism/Ag/cavity/(GaN/CaF2)15/air}. The essential foundation of this study is based on the displacement of the TP resonance by varying the concentration of an aqueous solution of sodium iodide (NaI) that fills the cavity layer. The resonant TP dip is shifted downwards the shorter wavelengths with the increment of the Ag layer thickness. Nevertheless, the resonant TP dip is shifted upwards to longer wavelengths with the increment of NaI refractive index/concentration. Also, the sensitivity of the sensing tool decreases with the increment of the NaI refractive index. However, the minimum result is not less than the value of 9913 nm RIU−1 for a concentration of 25%. Finally, the performance of our sensor in the form of the quality factor, detection limit, and figure of merit showed significant improvements in designing a high-performance liquid and biosensor. NaI sensor: the suggested design of a NaI photonic crystal sensor that is constituted.![]()
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Affiliation(s)
- T. A. Taha
- Physics Department, College of Science, Jouf UniversityP.O. Box 2014SakakaSaudi Arabia
| | - Hussein A. Elsayed
- TH-PPM Group, Physics Department, Faculty of Science, Beni-Suef UniversityBeni-Suef62512Egypt
| | - Ahmed Mehaney
- TH-PPM Group, Physics Department, Faculty of Science, Beni-Suef UniversityBeni-Suef62512Egypt
| | - Ali Hajjiah
- Electrical Engineering Department, College of Engineering and Petroleum, Kuwait UniversityKuwait CityKuwait
| | - Ashour M. Ahmed
- Physics Department, Faculty of Science, Beni-Suef UniversityBeni-Suef62512Egypt,Physics Department, College of Science, Imam Mohammad Ibn Saud Islamic University (IMSIU)Riyadh11623Saudi Arabia
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Hayat A, Sohail M, Taha TA, Kumar Baburao Mane S, Al-Sehemi AG, Al-Ghamdi AA, Nawawi WI, Palamanit A, Amin MA, Fallatah AM, Ajmal Z, Ali H, Ullah Khan W, Wajid Shah M, Khan J, Wageh S. Synergetic effect of bismuth vanadate over copolymerized carbon nitride composites for highly efficient photocatalytic H 2 and O 2 generation. J Colloid Interface Sci 2022; 627:621-629. [PMID: 35872419 DOI: 10.1016/j.jcis.2022.07.012] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2021] [Revised: 06/27/2022] [Accepted: 07/03/2022] [Indexed: 12/31/2022]
Abstract
The development of copolymerized carbon nitride (CN)-based photocatalysts may support advances in photocatalytic overall water splitting. However, the recombination of charge carriers is the main bottleneck that reduces its overall photocatalytic activity. To overcome this problem, the construction of heterojunction technology has emerged as an effective approach to reduce the charge carrier recombination, thereby improving charge separation and transport efficiency. In this work, an innovative heterojunction was prepared between Quinolinic acid (QA) modified CN (CN-QAx) and novel nanorod-shaped bismuth vanadate (BiVO4) (BiVO4/CN-QAx) for overall water splitting through a simple in-situ solvent evaporation technique. The obtained results show that the synthesized samples have efficient and improved activities for releasing H2 (862.1 μmol/h) and O2 (31.58 μmol/h) under visible light irradiation. Furthermore, an exceptional apparent quantum yield (AQY) of 64.52 % has been recorded for BiVO4/CN-QA7.0 at 420 nm, which might be due to the substantial isolation of photoinducedcharge carriers. Therefore, this work opens up a new channel toward efficient CN-based photocatalysts in the sustainable energy production processes.
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Affiliation(s)
- Asif Hayat
- State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350116, China
| | - Muhammad Sohail
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou 313001, P.R. China
| | - T A Taha
- Physics department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia; Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf 32952, Egypt
| | | | - Abdullah G Al-Sehemi
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia; Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha 61413, Saudi Arabia
| | - Ahmed A Al-Ghamdi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
| | - W I Nawawi
- Faculty of Applied Sciences, Universiti Teknologi MARA, Cawangan Perlis, Arau Perlis 02600, Malaysia
| | - Arkom Palamanit
- Energy Technology Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, 15 Karnjanavanich Rd., Hat Yai, Songkhla 90110, Thailand
| | - Mohammed A Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Ahmed M Fallatah
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif 21944, Saudi Arabia
| | - Zeeshan Ajmal
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xian, 710072, China
| | - Hamid Ali
- Multiscale Computational Materials Facility, Key Laboratory of Eco-Materials Advanced Technology, College of Materials Science and Engineering, Fuzhou University, Fuzhou 350100, China
| | - Wasim Ullah Khan
- State Key Laboratory of Optoelectronic Materials and Technologies, School of Materials Science and Engineering, Sun Yat-sen University, Guangzhou 510275, PR China.
| | | | - Javid Khan
- College of Materials Science and Engineering, Hunan University, Changsha, Hunan 410082, China.
| | - S Wageh
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah 21589, Saudi Arabia
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Ahmad Bhatti I, Mohsin M, Amjad N, Shehzad RA, Ayub K, Iqbal J, Taha TA. Enhancement of NLO properties of supersalt (Al(BH 4) 3)-doped graphene: a DFT study. J Mol Model 2022; 28:164. [PMID: 35606607 DOI: 10.1007/s00894-022-05141-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2022] [Accepted: 05/02/2022] [Indexed: 11/27/2022]
Abstract
In this work, pure and supersalt-doped graphene is evaluated by the density functional theory (DFT) to explore its optical and electronic properties. The doping of supersalt Al(BH4)3 on graphene reduces the highest occupied molecular orbital and lower unoccupied molecular orbital (HOMO-LUMO) bandgap of graphene@Al(BH4)3 and graphene@2Al(BH4)3 to 3.57 and 3.55 eV from 3.61 eV. The improvement in the optoelectronic properties of the supersalt Al(BH4)3-doped graphene is determined by the upshift of UV absorption peak and dipole moment. Polarizability (α) values of graphene@Al(BH4)3, and graphene@2Al(BH4)3 increase to 14% and 26% in the comparison of pure graphene. The first hyperpolarizability (βo) is increased from 0.44 (graphene) to 1295.4 au in graphene@2Al(BH4)3. Our findings suggest that Al(BH4)3-doped graphene could be an effective method for making graphene an efficient nonlinear optical material.
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Affiliation(s)
- Ijaz Ahmad Bhatti
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan.
| | - Muhammad Mohsin
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Nyla Amjad
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Rao Aqil Shehzad
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan
| | - Khurshid Ayub
- Department of Chemistry, COMSAT University, Abbottabad Campus, Abbottabad, 22060, KPK, Pakistan
| | - Javed Iqbal
- Department of Chemistry, University of Agriculture, Faisalabad, 38000, Pakistan.
- Punjab Bio-Energy Institute, University of Agriculture, Faisalabad, 38000, Pakistan.
| | - T A Taha
- Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, Saudi Arabia
- Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
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12
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Hayat A, Sohail M, Ali Shah Syed J, Al-Sehemi AG, Mohammed MH, Al-Ghamdi AA, Taha TA, Salem AlSalem H, Alenad AM, Amin MA, Palamanit A, Liu C, Nawawi WI, Tariq Saeed Chani M, Muzibur Rahman M. Recent Advancement of the Current Aspects of g-C 3 N 4 for its Photocatalytic Applications in Sustainable Energy System. CHEM REC 2022; 22:e202100310. [PMID: 35138017 DOI: 10.1002/tcr.202100310] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2021] [Revised: 01/25/2022] [Indexed: 12/14/2022]
Abstract
Being one of the foremost enticing and intriguing innovations, heterogeneous photocatalysis has also been used to effectively gather, transform, and conserve sustainable sun's radiation for the production of efficient and clean fossil energy as well as a wide range of ecological implications. The generation of solar fuel-based water splitting and CO2 photoreduction is excellent for generating alternative resources and reducing global warming. Developing an inexpensive photocatalyst can effectively split water into hydrogen (H2 ), oxygen (O2 ) sources, and carbon dioxide (CO2 ) into fuel sources, which is a crucial problem in photocatalysis. The metal-free g-C3 N4 photocatalyst has a high solar fuel generation potential. This review covers the most recent advancements in g-C3 N4 preparation, including innovative design concepts and new synthesis methods, and novel ideas for expanding the light absorption of pure g-C3 N4 for photocatalytic application. Similarly, the main issue concerning research and prospects in photocatalysts based g-C3 N4 was also discussed. The current dissertation provides an overview of comprehensive understanding of the exploitation of the extraordinary systemic and characteristics, as well as the fabrication processes and uses of g-C3 N4 .
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Affiliation(s)
- Asif Hayat
- College of Chemistry and Environmental Engineering, Shenzhen University, 1066 Xueyuan Boulevard, Shenzhen, 518055, People's Republic of China
| | - Muhammad Sohail
- Yangtze Delta Region Institute (Huzhou), University of Electronic Science and Technology of China, Huzhou, 313001, P.R. China
| | - Jawad Ali Shah Syed
- Department of Material Science and Engineering, College of Engineering and Applied Sciences, Nanjing University
| | - Abdullah G Al-Sehemi
- Research Center for Advanced Materials Science (RCAMS), King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia.,Department of Chemistry, College of Science, King Khalid University, P.O. Box 9004, Abha, 61413, Saudi Arabia
| | - Mohammed H Mohammed
- Department of Physics, College of Science, Southern Illinois University, Carbondale, IL, 62901, USA.,Department of Physics, College of Science, University of Thi Qar, Nassiriya, 64000, IRAQ
| | - Ahmed A Al-Ghamdi
- Department of Physics, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - T A Taha
- Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, 2014, Saudi Arabia.,Physics Department, College of Science, Jouf University, P.O. Box 2014, Sakaka, 2014, Saudi Arabia
| | - Huda Salem AlSalem
- Physics and Engineering Mathematics Department, Faculty of Electronic Engineering, Menoufia University, Menouf, 32952, Egypt
| | - Asma M Alenad
- Department of Chemistry, College of Science, Princess Nourah bint Abdulrahman University, P.O. Box 84428, Riyadh, 11671, Saudi Arabia
| | - Mohammed A Amin
- Department of Chemistry, College of Science, Taif University, P.O. Box 11099, Taif, 21944, Saudi Arabia
| | - Arkom Palamanit
- Energy Technology Program, Department of Specialized Engineering, Faculty of Engineering, Prince of Songkla University, 15 Karnjanavanich Rd., Hat Yai, Songkhla, 90110, Thailand
| | - Changkun Liu
- College of Chemistry and Environmental Engineering, Shenzhen University, 1066 Xueyuan Boulevard, Shenzhen, 518055, People's Republic of China
| | - W I Nawawi
- Faculty of Applied Sciences, Universiti Teknologi MARA, Cawangan Perlis, 02600, Arau Perlis, Malaysia
| | - Muhammad Tariq Saeed Chani
- Center of Excellence for Advanced Materials Research (CEAMR) & Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
| | - Mohammed Muzibur Rahman
- Center of Excellence for Advanced Materials Research (CEAMR) & Department of Chemistry, Faculty of Science, King Abdulaziz University, Jeddah, 21589, Saudi Arabia
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Alrowaili ZA, Elsayed HA, Ahmed AM, Taha TA, Mehaney A. Simple, efficient and accurate method toward the monitoring of ethyl butanoate traces. Opt Quantum Electron 2022; 54:126. [PMID: 35095173 PMCID: PMC8783197 DOI: 10.1007/s11082-021-03497-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/14/2021] [Accepted: 12/21/2021] [Indexed: 06/14/2023]
Abstract
We introduce in this research a simple, accurate, safe, and efficient design for the detection of ethyl butanoate that be present in the dry exhaled breath. In particular, the presence of ethyl butanoate in the dry exhaled breath could be utilized as a platform for the diagnosing of COVID 19. The main idea of this theoretical investigation is based on the inclusion of a cavity layer between a thin layer of Au and the well-known one-dimension photonic crystals. Accordingly, the cavity layer is filled with dry exhaled breath. The numerical results are investigated in the vicinity of the Drude model and transfer matrix method. The investigated results show the appearance of Tamm plasmon resonance in the reflectance spectrum of our design through the IR region. Such resonant mode provides very high sensitivity with the change in the concentration of ethyl butanoate. We have examined the performance of the proposed sensor by calculating its sensitivity, detection limit, detection accuracy, quality factor and figure of merit. The designed sensor could receive sensitivity of 0.3 nm/ppm or 260,486 nm/RIU, resolution of 7 ppm and quality factor of 969.
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Affiliation(s)
- Z. A. Alrowaili
- Physics Department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia
| | - Hussein A. Elsayed
- TH-PPM Group, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62512 Egypt
| | - Ashour M. Ahmed
- Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62512 Egypt
| | - T. A. Taha
- Physics Department, College of Science, Jouf University, P.O. Box: 2014, Sakaka, Saudi Arabia
| | - Ahmed Mehaney
- TH-PPM Group, Physics Department, Faculty of Science, Beni-Suef University, Beni-Suef, 62512 Egypt
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Anwar MM, El-Mokadem MY, Ramadan TA, Nour El-Din ANM, Taha TA, Sharaby MA, Salem MH, Rashad AMA. Implications of negative energy balance in lactating Barki and Rahmani ewes. Anim Prod Sci 2022. [DOI: 10.1071/an22100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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El-Mokadem MY, Nour El-Din ANM, Ramadan TA, Taha TA, Samak MA, Sharaby MA, Salem MH, Rashad AM. The role of melatonin implantation and the associated effect of insulin-like growth factor-1 on milk composition of Barki ewes. Anim Prod Sci 2022. [DOI: 10.1071/an20283] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
ContextManipulation of milk composition in lactating ewes represents an important mechanism by which sheep breeders can improve profits through increased milk prices for cheese making and higher lamb growth rates. To this end, melatonin implantation may affect milk composition by alleviating reproductive seasonality and augmenting insulin like growth factor-1 (IGF-1).AimsThis research aimed to evaluate the effects of melatonin administration on hormone levels and milk composition, and to determine its potential to manipulate milk composition of lactating Barki ewes.MethodsFifty lactating Barki ewes were divided into two groups of 25. One group received 18mg melatonin in a single implant at 40 days after delivery, and the other group served as an untreated control. Over the following 8 weeks, milk components (fat, protein, lactose and total solids percentages), milk energy value, and blood serum hormones including IGF-1 were measured.Key resultsMelatonin implantation increased (P<0.05) IGF-1 concentration, which showed continued elevation (P<0.05) throughout the treatment period (from Day14 to Day56) relative to the control. Analysis of milk composition of implanted ewes revealed higher (P<0.05) milk fat, protein, lactose and total solids percentages as well as milk energy value than in milk of control ewes.ConclusionAn integrated effect of melatonin and IGF-1 successfully improved milk composition of lactating Barki ewes.ImplicationsMelatonin implantation can be used to improve milk composition of lactating Barki ewes, potentially increasing profits from cheese making and lamb production.
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Alrowaili ZA, Taha TA, El-Nasser KS, Donya H. Significant Enhanced Optical Parameters of PVA-Y2O3 Polymer Nanocomposite Films. J Inorg Organomet Polym Mater 2021. [DOI: 10.1007/s10904-021-01995-2] [Citation(s) in RCA: 17] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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17
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Hayat A, Sohail M, Taha TA, Alenad AM, Irfan A, Shaishta N, Hayat A, Mane SKB, Khan WU. A butterfly shaped organic heterojunction photocatalyst for effective photocatalytic CO 2 reduction. CrystEngComm 2021. [DOI: 10.1039/d1ce00405k] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
The modification of carbon nitride (CN) for visible light photocatalytic CO2 reduction is an important issue to explore in the context of energy and environmental challenges.
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Affiliation(s)
- Asif Hayat
- State Key Laboratory of Photocatalysis on Energy and Environment
- College of Chemistry
- Fuzhou University
- Fuzhou
- P. R. China
| | - Muhammad Sohail
- Institute for Advanced Study
- Shenzhen University
- Shenzhen
- P. R. China
| | - T. A. Taha
- Physics Department
- College of Science
- Jouf University
- Sakaka
- Saudi Arabia
| | - Asma M. Alenad
- Chemistry Department
- College of Science
- Jouf University
- Sakaka
- Saudi Arabia
| | - Ahmad Irfan
- Department of Chemistry
- College of Science
- King Khalid University
- Abha 61413
- Saudi Arabia
| | - Naghma Shaishta
- Department of Post-graduate Studies and Research in Chemistry
- Gulbarga University
- Gulbarga
- India
| | - Ashiq Hayat
- Department of Physics
- Quaid Azam University
- Islamabad
- Pakistan
| | | | - Wasim Ullah Khan
- State Key Laboratory of Optoelectronic Materials and Technologies
- School of Materials Science and Engineering
- Sun Yat-sen University
- Guangzhou
- P. R. China
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Taha TA, Hendawy N, El-Rabaie S, Esmat A, El-Mansy MK. Effect of NiO NPs doping on the structure and optical properties of PVC polymer films. Polym Bull (Berl) 2018. [DOI: 10.1007/s00289-018-2633-2] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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Hashem NM, El-Azrak KM, Nour El-Din ANM, Sallam SM, Taha TA, Salem MH. Effects of Trifolium alexandrinum phytoestrogens on oestrous behaviour, ovarian activity and reproductive performance of ewes during the non-breeding season. Anim Reprod Sci 2018; 196:1-8. [PMID: 29548568 DOI: 10.1016/j.anireprosci.2018.03.007] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2017] [Revised: 02/26/2018] [Accepted: 03/06/2018] [Indexed: 11/25/2022]
Abstract
Phytoestrogens are classified as naturally occurring endocrine disrupting chemicals that may affect reproductive performance of farm animals. To investigate the effects of Berseem clover phytoestrogens on reproductive performance of seasonal anoestrus ewes, twenty four late pregnant Rahmani ewes were fed either Berseem clover or maize silage (n = 12/treatment). Treatment started 2 months prepartum and continued until oestrous induction (week 8 postpartum), using the CIDR-eCG based protocol, and early pregnancy. Throughout the 2-8 weeks postpartum, oestrous rate and ovarian activity were not affected by treatment. After oestrous induction, ewes in both groups expressed comparable oestrous rates; however feeding Berseem clover extended (P < 0.05) interval to oestrus (57.00 compared with 42.54 h) and shortened (P < 0.05) oestrous duration (20.0 compared with 34.90 h). Feeding Berseem clover did not affect follicular activity except the number of medium follicles, which was less (P < 0.05) on day of oestrus (Day 0). Feeding maize silage increased (P < 0.05) the total number of follicles and number of small and medium follicles the day before oestrus (Day -1). On Day 0, the greater total number of follicles was due to the greater (P < 0.05) number of medium follicles that was associated with less number of small follicles. Although, the number and diameter of corpora lutea (CLs) were not affected by treatment, serum P4 concentration was greater (P < 0.05) for ewes fed maize silage than for those fed Berseem clover. Fecundity and litter size tended to be greater (about 35%; P = 0.132 and 0.085, respectively) in the maize silage fed ewes. In conclusion, feeding Berseem clover throughout seasonal anoestrus disrupted aspects of behavioural oestrus and there was less luteal P4 synthesis and fecundity of ewes.
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Affiliation(s)
- N M Hashem
- Animal and Fish Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt.
| | - K M El-Azrak
- Animal and Fish Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
| | - A N M Nour El-Din
- Animal and Fish Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
| | - S M Sallam
- Animal and Fish Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
| | - T A Taha
- Animal and Fish Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
| | - M H Salem
- Animal and Fish Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria 21545, Egypt
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EL-Mokadem MY, Nour El-Din ANM, Ramadan TA, Rashad AM, Taha TA, Samak MA, Salem MH. Effectiveness of controlled internal drug release device treatment to alleviate reproductive seasonality in anestrus lactating or dry Barki and Rahmani ewes during non-breeding season. Reprod Domest Anim 2017; 53:319-325. [DOI: 10.1111/rda.13107] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 10/06/2017] [Indexed: 12/15/2022]
Affiliation(s)
- MY EL-Mokadem
- Animal Production Research Institute; Agricultural Research Center; Giza Egypt
| | - ANM Nour El-Din
- Animal Production Department; Faculty of Agriculture (El-Shatby); Alexandria University; Alexandria Egypt
| | - TA Ramadan
- Animal Production Research Institute; Agricultural Research Center; Giza Egypt
| | - AM Rashad
- Animal Production Department; Faculty of Agriculture (El-Shatby); Alexandria University; Alexandria Egypt
| | - TA Taha
- Animal Production Department; Faculty of Agriculture (El-Shatby); Alexandria University; Alexandria Egypt
| | - MA Samak
- Animal Production Department; Faculty of Agriculture (El-Shatby); Alexandria University; Alexandria Egypt
| | - MH Salem
- Animal Production Department; Faculty of Agriculture (El-Shatby); Alexandria University; Alexandria Egypt
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El-Seedy AS, Hashem NM, El-Azrak KM, Nour El-Din A, Ramadan TA, Taha TA, Salem MH. Genetic screening of FecB, FecX G and FecX I mutations and their linkage with litter size in Barki and Rahmani sheep breeds. Reprod Domest Anim 2017; 52:1133-1137. [PMID: 28585345 DOI: 10.1111/rda.13002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2016] [Accepted: 04/30/2017] [Indexed: 11/29/2022]
Abstract
Characterization of fecundity genes offers the opportunity to improve production efficiency, and the consequent increase in litter size in livestock industry, through utilizing them in breeding programs. The main objective of this study was to detect the BMPR-IB, BMP15 and GDF9 gene mutations and to investigate whether these mutations are associated with litter size in Egyptian sheep breeds. To achieve this goal, 73 adult ewes representing Barki (n = 33) and Rahmani (n = 40) breeds were used. Polymerase chain reaction-restriction fragment length polymorphism (PCR-RFLP) screening approach was used to detect the presence of FecB, FecXG and FecXI mutations in the two selected breeds. Results of this study showed that the three different candidate gene mutations, namely FecB, FecXG and FecXI are not present among these selected populations of the Egyptian breeds. Further studies regarding other mutations and/or other genes, which may influence ovulation rate, should be carried out to determine the type and mode of inheritance of such genes in Egyptian sheep breeds.
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Affiliation(s)
- A S El-Seedy
- Department of Genetics, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - N M Hashem
- Department of Animal of Production, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - K M El-Azrak
- Department of Animal of Production, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - Anm Nour El-Din
- Department of Animal of Production, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - T A Ramadan
- Animal Production Research Institute, Agricultural Research Center, Giza, Egypt
| | - T A Taha
- Department of Animal of Production, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
| | - M H Salem
- Department of Animal of Production, Faculty of Agriculture, Alexandria University, Alexandria, Egypt
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Abd-Elhady AM, Ibrahim ME, Taha TA, Izzularab MA. Dielectric and Thermal Properties of Transformer Oil Modified by Semiconductive CdS Quantum Dots. Journal of Elec Materi 2016; 45:4755-4761. [DOI: 10.1007/s11664-016-4745-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/02/2023]
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Hashem NM, El-Azrak KM, Nour El-Din ANM, Taha TA, Salem MH. Effect of GnRH treatment on ovarian activity and reproductive performance of low-prolific Rahmani ewes. Theriogenology 2014; 83:192-8. [PMID: 25442386 DOI: 10.1016/j.theriogenology.2014.09.016] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2014] [Revised: 09/07/2014] [Accepted: 09/10/2014] [Indexed: 11/15/2022]
Abstract
This study was designed to evaluate the effect of GnRH treatment during different times of the reproductive cycle on ovarian activity, progesterone (P4) concentration, and subsequent fertility of low-prolific, subtropical, Rahmani ewes during breeding season. Forty-five ewes were synchronized for estrus using a double injection of 0.5 mL of PGF2α agonist (125-μg cloprostenol), 11 days apart. Ewes showing estrus (Day 0) were treated with 1 mL of GnRH agonist (4-μg buserelin) on the day of estrus (GnRH0, n = 12) or 7 days post-mating (GnRH7, n = 10) or on both days (GnRH0+7, n = 11) or not (control, n = 12). Ovarian response to the treatment and diagnosis of pregnancy were ultrasonographically monitored. Also, serum P4 concentration was determined weekly throughout 28 days post-mating. Results showed that neither total number of follicles nor their populations were changed on Day 0 or 7 days post-mating by the GnRH treatment. GnRH treatment on Day 0 or Day 7 post-mating or both days did not enhance ovulation rate compared with the control. The mean numbers of accessory CL increased (P < 0.05) in the GnRH7 group than those in the control and GnRH0 groups, whereas it was intermediate in the GnRH0+7 group. The greatest (P < 0.05) overall mean of serum P4 concentration was for the GnRH7 and GnRH0+7 groups, followed by the GnRH0 and control groups. Serum P4 concentration increased (P < 0.05) on Day 14 post-mating and continued higher (P < 0.05) until Day 28 post-mating in the GnRH7 and GnRH0+7 groups compared with the control. Regardless of the time of GnRH administration, GnRH treatment reduced (P < 0.05) pregnancy loss from Day 40 post-mating to parturition and tended to enhance (P < 0.20) lambing rate compared with the control. In conclusion, a single dose of GnRH at the time of estrus or 7 days post-mating could be used as an effective protocol to decrease pregnancy loss from Day 40 after mating to parturition in low-prolific Rahmani ewes.
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Affiliation(s)
- N M Hashem
- Animal Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, Egypt.
| | - K M El-Azrak
- Animal Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, Egypt
| | - A N M Nour El-Din
- Animal Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, Egypt
| | - T A Taha
- Animal Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, Egypt
| | - M H Salem
- Animal Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, Egypt
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Anwar MM, Ramadan TA, Taha TA. Serum metabolites, milk yield, and physiological responses during the first week after kidding in Anglo-Nubian, Angora, Baladi, and Damascus goats under subtropical conditions. J Anim Sci 2012; 90:4795-806. [PMID: 22851243 DOI: 10.2527/jas.2012-5236] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
This study was carried out to determine the level of certain biochemical variables reflecting the energy metabolic statuses during the first week of lactation in goats. A total of 120 Anglo-Nubian, Angora, Baladi, and Damascus does (30 does per breed) were used throughout 5 consecutive parities (30 does per parity) to investigate the effect of breed, parity, day of lactation, and their interaction on serum metabolites including total protein, albumin, globulin, glucose, total lipids, cholesterol, and transaminases. Blood samples were collected every other day during the first week of lactation. Baladi does had the greatest (P < 0.001) values in all measured biochemical variables followed by Anglo-Nubian [in total protein, globulin, and aminotransferase (AST)] and Damascus (in globulin and AST) and then Angora, which had the lowest (P < 0.001) values for all variables. Fifth parity exhibited the greatest (P < 0.001) values in all serum metabolites compared with other parities except for alanine transaminase (ALT) enzyme activity in which the greatest (P = 0.046) values were observed in the first and fourth parties. Serum concentrations of the measured variables increased gradually throughout the first day after kidding until the seventh day for total protein (P < 0.001), albumin (P = 0.013), globulin (P = 0.017), and cholesterol (P = 0.028) whereas serum glucose concentration exhibited an opposite trend. Serum concentrations of total lipids and enzyme activities of AST and ALT were not affected by day (P > 0.05) after kidding. Baladi goats had the least (P < 0.001) serum insulin concentration, which was associated (P < 0.001) with greatest serum glucose concentration. Serum triiodothyronine (T(3)) was inversely correlated (P = 0.032) with milk yield whereas greatest (P = 0.003) T(3) concentrations were associated with least (P < 0.001) milk yield recorded in Angora goats. Animal physiological responses and their indices were not affected (P > 0.05) by breed whereas both rectal temperature and coefficient of heat tolerance were affected (P < 0.001) by parity in an opposite direction. Baladi goats expressed an aspect of adaptability where their rectal temperature decreased and coefficient of heat tolerance increased with increasing parity number.
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Affiliation(s)
- M M Anwar
- Animal Production Research Institute, Agricultural Research Center, 4 Nadi El-Said, 12311 Dokki, Giza, Egypt
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El-Mokadem MY, Taha TA, Samak MA, Yassen AM. Alleviation of reproductive toxicity of gossypol using selenium supplementation in rams. J Anim Sci 2012; 90:3274-85. [PMID: 22585803 DOI: 10.2527/jas.2011-4545] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
The objective of this study was to evaluate the reproductive toxicity of gossypol and the possible counteracting effect of selenium supplementation in rams. Twenty-five mature crossbred (Barki × Rahamni) rams were randomly divided into 5 equal groups. The first group served as a control (no gossypol in diet). The second and third groups received diets containing free gossypol of 9 and 14 mg·kg(-1) BW·d(-1)(low level and high level of gossypol), respectively. The fourth and fifth groups received the same diets given to the second and third groups, respectively, with an oral administration of 1 mg selenium (as sodium selenite) daily for each animal. Results showed reductions in ejaculate volume (P = 0.028), percentage of dead sperm (P = 0.003), total functional sperm fraction (P < 0.001), and blood serum concentration of testosterone (P < 0.001) in the presence of both levels of gossypol inclusion. Furthermore, high level of gossypol reduced forward motility (P < 0.001) and semen initial fructose concentration (P = 0.002) and increased abnormal-head sperm (P = 0.003) and blood serum concentration of triiodothyronine (P = 0.006). Regardless of selenium supplementation, increasing level of free gossypol in diet resulted in a significant decrease in the percentage of forward motility (P = 0.037) and significant increases in the mean values of sperm concentration (P < 0.001), total sperm output (P = 0.002), percentage of total abnormal sperm (P = 0.058), and abnormal-head sperm (P = 0.016). On the other hand, regardless of levels of gossypol inclusion, selenium supplementation resulted in significant increases in libido (P < 0.001), mean values of ejaculate volume (P < 0.001), percentage of forward motility (P = 0.019), total sperm output (P < 0.001), total functional sperm fraction (P < 0.001), semen initial fructose concentration (P = 0.031), and blood serum concentrations of both testosterone and triiodothyronine (P < 0.001). In conclusion, free gossypol in diet induced adverse effects on semen quality in rams, but selenium supplementation successfully counteracts most of the hazardous effects of gossypol on semen characteristics.
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Affiliation(s)
- M Y El-Mokadem
- Animal Production Department, Faculty Of Agriculture (El-Shatby), Alexandria University, Alexandria 22545, Egypt
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Hashem NM, El-Zarkouny SZ, Taha TA, Abo-Elezz ZR. Effect of season, month of parturition and lactation on estrus behavior and ovarian activity in Barki x Rahmani crossbred ewes under subtropical conditions. Theriogenology 2011; 75:1327-35. [PMID: 21295829 DOI: 10.1016/j.theriogenology.2010.12.004] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2010] [Revised: 12/06/2010] [Accepted: 12/08/2010] [Indexed: 10/18/2022]
Abstract
The correlations between some meteorological parameters and fertility data were evaluated in Barki x Rahmani crossbred ewes using the records of five consecutive years (2003-2007). Additionally, estrus detection and ultrasonic evaluation were applied on eighteen mature dry ewes during breeding and non-breeding seasons. The effect of lactation was evaluated by monitoring estrus behavior in ninety four lactating ewes from 40 to 120 d after parturition. Moreover, ultrasonography was used to identify ovarian activity in six cyclic and six acyclic non-lactating ewes. Results revealed that relative estrus occurrence and fertile mating were positively correlated (P <0.05) with high temperature and long photoperiod (conditions of summer season), and were negatively correlated (P < 0.01) with rainfall (condition of winter season). During breeding season, estrus rate, serum progesterone concentration, and diameter of largest follicle were significantly (P < 0.05) higher than those observed during the non-breeding season. Furthermore, month of parturition had a significant effect (P < 0.05) on estrus rate of lactating ewes where ewes that lambed in August, September, and October recorded higher estrus rate than those lambed in November and December. However, the lactational strength did not exert any deleterious effect on the reproductive performance of lactating ewes. In conclusion, in Egypt under subtropical conditions, Barki x Rahmani crossbred ewes exerted optimum estrus behavior and fertile mating during summer season. The reduction in estrus activity during lactation was due to the seasonal effect rather than lactational stress.
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Affiliation(s)
- N M Hashem
- Animal Production Department, Faculty of Agriculture (El-Shatby), Alexandria University, Alexandria, Egypt
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Affiliation(s)
- K Schellander
- Institute of Animal Breeding and Genetics, Veterinary University of Vienna, Austria
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Taha TA, Shaaban WF, El-Mahdy AR, El-Nouty FD, Salem MH. Reproductive toxicological effects of gossypol on male rabbits: semen characteristics and hormonal levels. ACTA ACUST UNITED AC 2007. [DOI: 10.1079/asc200632] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
AbstractThe objective of this study was to evaluate the effects of two sublethal doses (4 and 20 mg/kg live weight (LW); every other day) of gossypol on semen and hormonal characteristics of male rabbits. The experiment lasted 16 weeks and included two periods: a treatment period (first 8 weeks) where the animals were given the test materials, and a recovery period (second 8 weeks) where drugs were withdrawn. Results showed that LW and respiration rate (RR) decreased ( P<0·05) among animals that received gossypol, while rectal temperature increased ( P<0·05). Animals in gossypol treatment groups had decreased ( P<0·05) blood plasma levels of tri-iodothyronine (T3) and testosterone. This was accompanied by reductions ( P<0·05) in sperm concentration, total sperm output, percentage incidence of forward motility, total functional sperm fraction and semen initial fructose concentration. Gossypol however increased ( P<0·05) reaction time (i.e. decreased libido), percentages of dead sperm and abnormal sperm (AbSp) and altered acrosomes. Estimated weights of testes and semen ejaculate volume increased ( P<0·05) possibly due to increased water retention. Values of LW, RR, AbSp, and blood plasma T3 and testosterone returned to control levels after withdrawal of gossypol, while the effect of this drug on other parameters continued during the recovery period.
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el-Ridi AM, Nada SM, Aly AS, Ramadan ME, Hagar EG, Taha TA. Toxoplasmosis and pregnancy: an analytical study in Zagazig, Egypt. J Egypt Soc Parasitol 1991; 21:81-5. [PMID: 2033312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
The sera of 72 women with a history of abortion (sporadic or habitual abortion) or perinatal complications were examined for Toxoplasma antibodies using indirect immunofluorescent antibody test (IFAT). It was found that 27.8% of them were positive for toxoplasmosis with geometric mean titre of 1/64. Also sera of 34 women with normal obstetric history as a control group were examined. 11.8% of them were positive for toxoplasmosis with geometric mean titre 1/16. The difference between the control group and complicated group was found to be statistically significant. The histopathological picture of placenta of positive cases showed characteristics of toxoplasmic placentosis with detection of the organism in fixed paraffin sections using HX and E, PAS or Giemsa stains.
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Affiliation(s)
- A M el-Ridi
- Department of Parasitology, Faculty of Medicine, Zagazig University, Egypt
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