Výsledky vyhledávání - "Amira M. Hegazy"

Akademický článek

Applying novel economic simple green sample preparation procedures on natural and industrial specimens for chromatographic determination of insecticidal residues

Autor: Amira M. Hegazy, Hamada M. Mahmoud, Mohamed A. Elsayed, Nouruddin W. Ali, Rehab M. Abdelfatah

Publikováno v: Scientific Reports, Vol 13, Iss 1, Pp 1-8 (2023)

Abstract Spraying a tertiary blend of the insecticides (hexythiazox, imidacloprid, and thiamethoxam), on tomato fruits, is a routine in agriculture-attentive countries. A simple green sample preparation technique was developed and applied to the fiel

Externí odkaz: https://doaj.org/article/a77016d2407b492a859546b180628cf1

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Akademický článek

Analytical Purity Determinations of Universal Food-Spice Curcuma longa through a QbD Validated HPLC Approach with Critical Parametric Predictors and Operable-Design’s Monte Carlo Simulations: Analysis of Extracts, Forced-Degradants, and Capsules and Tablets-Based Pharmaceutical Dosage Forms

Autor: Hamdoon A. Mohammed, Dhafer S. Alsahabi, Amira M. Hegazy, Riaz A. Khan, Adel M. Ahmed

Publikováno v: Foods, Vol 12, Iss 5, p 1010 (2023)

Applications of analytical quality by design (QbD) approach for developing HPLC (High Performance Liquid Chromatography) methods for food components assays, and separations of complex natural product mixtures, are still limited. The current study dev

Externí odkaz: https://doaj.org/article/6d9410941e4245c18c2be9c5774cc34d

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Akademický článek

Two spectrophotometric methods for quantitative determination of some pesticides applied for cucumber in Egypt

Autor: Amira M. Hegazy, Rehab M. Abdelfatah, Hamada M. Mahmoud, Mohamed A. Elsayed

Publikováno v: Beni-Suef University Journal of Basic and Applied Sciences, Vol 7, Iss 4, Pp 598-605 (2018)

Specific spectroscopic techniques were validated for assay of four pesticides applied for cucumber in Egypt; mandipropamid (MAN), metalaxyl (MET), thiophenate methyl (THO) and carbendazim (CAR). First method is derivative method for the quaternary mi

Externí odkaz: https://doaj.org/article/6c4b1aaff29e4c93873406766ba9a835

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Harnessing of Doxylamine Succinate/Pyridoxine Hydrochloride-Dual Laden Bilosomes as a Novel Combinatorial Nanoparadigm for Intranasal Delivery: In Vitro Optimization and In Vivo Pharmacokinetic Appraisal

Autor: Abdel-Rahman A. Sadek, Heba F Salem, Heba M. Aboud, Amira M. Hegazy, Adel A. Ali

Publikováno v: Journal of Pharmaceutical Sciences. 111:794-809

The present work is concerned with tailoring and appraisal of a novel nano-cargo; bilosomes (BLS) dual laded with doxylamine succinate (DAS) and pyridoxine hydrochloride (PDH), the first treatment option against gestational nausea and vomiting, for i

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::7b9070d23585618b11086a9b1243cfff
https://doi.org/10.1016/j.xphs.2021.11.007

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Novel Chitosan-Coated Niosomal Formulation for Improved Management of Bacterial Conjunctivitis: A Highly Permeable and Efficient Ocular Nanocarrier for Azithromycin

Autor: Izzeddin Alsalahat, Ibrahim A. Naguib, Hussein M. Eid, Amira M. Hegazy, Reem I. Alsantali

Publikováno v: Journal of Pharmaceutical Sciences. 110:3027-3036

In the present study, we aimed to formulate, optimize, and characterize azithromycin chitosan coated niosomes (AZM-CTS-NSM) as a novel colloidal system that increases precorneal residence period, eye permeation, and bioavailability. AZM-NSM was formu

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::02b4bc06105651fd49b17918f78c7de7
https://doi.org/10.1016/j.xphs.2021.04.020

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Autor: Amira M. Hegazy, Afnan S. Batubara, Mohamed A. Abdelgawad, Mohamed El-Sherbiny, Mohammed M. Ghoneim, Adel M. Ahmed, Mohammed Gamal

Publikováno v: Microchemical Journal. 183:108058

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_________::c1548dda93c7842d1158555b22a14c6a
https://doi.org/10.1016/j.microc.2022.108058

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Development and validation of two robust simple chromatographic methods for estimation of tomatoes specific pesticides' residues for safety monitoring prior to food processing line and evaluation of local samples

Autor: Hamada M. Mahmoud, Rehab M. Abdelfatah, Mohamed A. Elsayed, Amira M. Hegazy

Publikováno v: Food chemistry. 306

Combination of pesticides; acetamiprid, flutolanil and etofenprox are usually used for tomato fruits for protecting them against pest infection. Generally, pesticides, residues could be one of the health hazard sources. Two specific simple sensitive

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::ec3e3ed97bb72f9e980b6dbeb9330b46
https://pubmed.ncbi.nlm.nih.gov/31606625

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Resolution of the spectra of acetamiprid, flutolanil and etofenprox residues for their analysis in tomato fruits

Autor: Rehab M. Abdelfatah, Hamada M. Mahmoud, Amira M. Hegazy, Mohamed A. Elsayed

Publikováno v: Spectrochimica Acta Part A: Molecular and Biomolecular Spectroscopy. 238:118444

This study involves spectroscopic analysis of pesticide residues extracted from tomato, one of the most freshly eaten fruit all over the world. In Egypt, tomato can be protected against pests infection by concomitantly spraying three pesticides namel

Externí odkaz: https://explore.openaire.eu/search/publication?articleId=doi_dedup___::c3ed4315dfe6c467df23215c195f8de4
https://doi.org/10.1016/j.saa.2020.118444

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