Výsledky vyhledávání - "Osama A. Abdallah"

Akademický článek

Monitoring pesticide residues in pepper (Capsicum annuum L.) from Al-Qassim region, Saudi Arabia: Occurrence, quality, and risk evaluations

Autor: Fahad M. Alminderej, Sayed M. Saleh, Osama I. Abdallah

Publikováno v: Heliyon, Vol 10, Iss 17, Pp e36805- (2024)

The Al-Qassim region, a prominent agricultural hub in Saudi Arabia, significantly contributes to the national production of vegetables and fruits. This study validated the standard EN-QuEChERS (Quick, Easy, Cheap, Effective, Rugged and Safe) method i

Externí odkaz: https://doaj.org/article/cc61d5f86bd64d9ea682d51be39b9077

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Akademický článek

Bifenthrin Residues in Table Grapevine: Method Optimization, Dissipation and Removal of Residues in Grapes and Grape Leaves

Autor: Saleh S. Alhewairini, Rania M. Abd El-Hamid, Nevein S. Ahmed, Sherif B. Abdel Ghani, Osama I. Abdallah

Publikováno v: Plants, Vol 13, Iss 12, p 1695 (2024)

The QuEChERS method was adjusted to determine bifenthrin residues in grapes and grape leaves. Extraction and cleanup procedures were optimized to decrease co-extracted materials and enhance the detection of bifenthrin. The method was validated per th

Externí odkaz: https://doaj.org/article/91189531d58b49ef978bfad9aef35407

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Akademický článek

Dissipation profile and risk assessment of diflubenzuron and novaluron in tomato fruits under greenhouse conditions

Autor: Mohsen A. M. Alhamami, Jari S. Algethami, Amal F. Seliem, Yaser A. Alnaam, Mohamed F. Ramadan, Osama I. Abdallah

Publikováno v: Cogent Food & Agriculture, Vol 9, Iss 2 (2023)

AbstractA simple liquid-liquid extraction (LLE) procedure and liquid chromatography-tandem mass spectrometer (LC-MS/MS) were validated to analyze the residues of diflubenzuron and novaluron in tomatoes. Validation criteria included; linearity in the

Externí odkaz: https://doaj.org/article/2de0ce5e08304f46a36bd083d7308fe8

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Akademický článek

Development of Green and Facile Sample Preparation Method for Determination of Seven Neonicotinoids in Fresh Vegetables, and Dissipation and Risk Assessment of Imidacloprid and Dinotefuran

Autor: Osama I. Abdallah, Rania M. Abd El-Hamid, Nevein S. Ahmed, Saleh S. Alhewairini, Sherif B. Abdel Ghani

Publikováno v: Foods, Vol 13, Iss 7, p 1106 (2024)

A facile procedure for extracting and determining seven neonicotinoids was developed. Water was the only extraction solvent without phase separation and cleanup steps. The method was validated according to European Union standards, and the values obt

Externí odkaz: https://doaj.org/article/500d8b1731214a5694f4c848e34fe9e2

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Akademický článek

Inhalable nano-embedded microspheres as an emerging way for local treatment of lung carcinoma: Benefits, Methods of preparation & characterizaton

Autor: Dina Mohamed Gaber, Noha Nafee, Osama Y. Abdallah

Publikováno v: Advances in Medical, Pharmaceutical and Dental Research, Vol 1, Iss 1, Pp 7-16 (2021)

Lung cancer is the leading cause of cancer deaths worldwide, and this makes it an attractive disease to review and possibly improve therapeutic treatment options. he extreme lethality of lung cancer is ascribed to the lack of early diagnostic strateg

Externí odkaz: https://doaj.org/article/869e69dbf36846a886b255b4f394bef9

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Akademický článek

Terminal Residues and Risk Assessment of Spiromesifen and Spirodiclofen in Tomato Fruits

Autor: Osama I. Abdallah, Rania M. Abd El-Hamid, Nevein S. Ahmed, Sayed M. Saleh, Fahad M. Alminderej

Publikováno v: Plants, Vol 12, Iss 7, p 1493 (2023)

Insecticides are important to increase crop yields, but their overuse has damaged the environment and endangered human health. In this study, residues of spiromesifen and spirodiclofen were determined in tomato fruit using a simple and efficient anal

Externí odkaz: https://doaj.org/article/852825c42c844d9eb17b3cf41c5f3a69

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Akademický článek

Residues of the Acaricides Abamectin, Hexythiazox, and Spiromesifen in Eggplant (Solanum melongena L.) Fruits Grown under Field Conditions in Najran, Saudi Arabia

Autor: Jari S. Algethami, Mohsen A. M. Alhamami, Mohamed F. Ramadan, Osama I. Abdallah

Publikováno v: Agriculture, Vol 13, Iss 1, p 116 (2022)

The dissipation profiles of the acaricides abamectin, hexythiazox, and spiromesifen in the fruits of eggplant (Solanum melongena L.) grown under field conditions in Najran, Saudi Arabia, were studied. Extraction was performed with acetonitrile, and U

Externí odkaz: https://doaj.org/article/bb25a83bba24402f9ac921ed0ff784f3

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Comparative immunomodulatory efficacy of rosemary and fenugreek against Escherichia coli infection via suppression of inflammation and oxidative stress in broilers

Autor: Sameh M. Farouk, Haidy G. Abdel-Rahman, Osama A. Abdallah, Nashwa G. EL-Behidy

Publikováno v: Environmental Science and Pollution Research. 29:40053-40067

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::a28be6cd94462c1aa72bcb383d1de8c3
https://doi.org/10.1007/s11356-021-18358-6

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Dissipation profile of sulfoxaflor on squash under Egyptian field conditions: a prelude to risk assessment

Autor: Farag Malhat, Osama I. Abdallah, Dalia El-Hefny, Rania Abd El-Hamid, Hanim Soliman

Publikováno v: International Journal of Environmental Analytical Chemistry. :1-15

The neonicotinoid insecticide sulfoxaflor is widely used in Egypt. This work assessed the safety of using sulfoxaflor in squash to consumers, along with the residue behaviour. Supervised field tria...

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::b4587f95bcee350b3dd85a6fbdb4d5c3
https://doi.org/10.1080/03067319.2021.1915297

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