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Rania Helmy
Rania Helmy
Dr. of pesticide residues
Verified email at capl.sci.eg
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Cited by
Cited by
Year
Behavior of thiophanate methyl and propiconazole in grape and mango fruits under the Egyptian field conditions
AS Soliman, RMA Helmy, IN Nasr, MS Abbas, HA Mahmoud, W Jiang
Bulletin of environmental contamination and toxicology 98, 720-725, 2017
132017
Environmental view for chlorothalonil on tomato and pepper fruits and soil field in Egypt: risk assessment and pre-harvest gap
HA Mahmoud, DE El-Hefny, RMA Helmy
International Journal of Environmental Analytical Chemistry 101 (5), 639-647, 2021
52021
Dissipation of methomyl residues in tomato fruits, soil and water using LC-MS/MS
D El-Hefny, I Abdallah, R Helmy, H Mahmoud
Journal of Plant Protection Research, 355-361-355-361, 2019
52019
Validation using QuEChERS method, risk assessment and preharvest intermission using GC-MS for determination of azoxystrobin in tomato and cucumber
H Hunter, RMA Helmy
Egyptian Journal of Chemistry 64 (12), 7421-7429, 2021
32021
The potential effect of Moringa oleifera ethanolic leaf extract against oxidative stress, immune response disruption induced by abamectin exposure in Oreochromis niloticus
RM Reda, RMA Helmy, A Osman, FAG Ahmed, GAM Kotb, AHA El-Fattah
Environmental Science and Pollution Research 30 (20), 58569-58587, 2023
22023
Residue, dissipation, and dietary intake evaluation of fenpyroximate acaricide in/on guava, orange, and eggplant under open field condition
F Malhat, O Abdallah, C Anagnostopoulos, M Hussien, I Purnama, ...
Frontiers in Nutrition 9, 939012, 2022
22022
Ameliorative Effects of Spirulina platensis and Ulva sp. on Biochemical Aspects and Residues of Lambda-Cyhalothrin in the Water of Nile Tilapia (Oreochromis niloticus)
RMAHAZ Mounes,Gamila
Egyptian Academic Journal of Biological Sciences 12 (2), 215-226, 2020
22020
Effectiveness and Biochemical Impact of Flubendiamide and Flonicamid Insecticides against Bemisia tabaci (Hemiptera: Aleyrodidae) and Residue Dissipation in Cherry …
MAM Moustafa, DE El Hefny, NA Alfuhaid, RMA Helmy, NA El-Said, ...
Journal of Entomological Science, 2024
2024
Effect of some insecticides, depletion and risk assessment against whitefly stages, Bemisia tabaci (Gennadius) on cucumber cultivation
AT El Masry, DE El-Hefny, R Helmy, AAA El-Ghanam
Egyptian Journal of Chemistry, 2024
2024
Quantification and risk assessment of Flutianil and of propiconazole in green bean by HPLC-DAD under greenhouse conditions
ED Ibrahim, DA Barakat, RMA Helmy
Egyptian Journal of Chemistry 66 (13), 2149-2158, 2023
2023
Role of etofenprox nanoformulation in suppression of the silver whitefly, Bemisia tabaci and its residue in eggplant fruits
AH Sabry, AH Mohamady, RA Sleem, SM Abolmaaty, R Helmy
Journal of Plant Protection Research, 30-38-30-38, 2023
2023
Determination of Pesticides Residues in Orange Samples Marketed in Assiut Governorate, Egypt
M Ahmed, S Ahmed, R Helmy, FA Abd-Elkareem
Egyptian Academic Journal of Biological Sciences, F. Toxicology & Pest …, 2021
2021
Dynamic Dissipation Pattern and Pre-harvest Interval Prediction of Spirotetramat in Tomato and Onion under Field Conditions
R Helmy, HA Mahmoud, HA El-Gammal
Pesticide Research Journal 33 (2), 99-104, 2021
2021
Egyptian Journal of Animal Health
RMA Helmy, AA El-Ghanam, AS Fayza, TA El-Masry, EH DE
Toxicity and Residual Efficacy Ofchlorfenapyr and Emamectin Benzoate Nano-Formulations Compared with Their Conventional Formulations Against Tetranychus Urticae on Cucumber …
RM Helmy, R Sleem, S Abolmaaty
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