E. S. E. Hafez

ORCID: 0000-0003-4044-5103
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About
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Research Areas
  • Reproductive Physiology in Livestock
  • Reproductive Biology and Fertility
  • Sperm and Testicular Function
  • Rabbits: Nutrition, Reproduction, Health
  • Genetic and phenotypic traits in livestock
  • Plant-Microbe Interactions and Immunity
  • Plant Virus Research Studies
  • Ovarian function and disorders
  • Animal Nutrition and Physiology
  • Reproductive System and Pregnancy
  • Birth, Development, and Health
  • Sexual Differentiation and Disorders
  • Plant Pathogens and Fungal Diseases
  • Hormonal and reproductive studies
  • Nanoparticles: synthesis and applications
  • Animal Genetics and Reproduction
  • Effects of Environmental Stressors on Livestock
  • Endometriosis Research and Treatment
  • Plant Disease Resistance and Genetics
  • Reproductive Health and Technologies
  • Plant Pathogenic Bacteria Studies
  • Primate Behavior and Ecology
  • Mycotoxins in Agriculture and Food
  • Hypothalamic control of reproductive hormones
  • Urological Disorders and Treatments

City of Scientific Research and Technological Applications
2016-2025

Alexandria University
2024

King Saud University
2022

Technology Applications (United States)
2010-2019

Biotechnology Research Institute
2017

Mansoura University
2016

Damanhour University
2016

Wayne State University
1976-2015

Assiut University
1989-2013

King Khalid University
2010-2011

10.1111/j.1751-0813.1976.tb05428.x article EN Australian Veterinary Journal 1976-12-01

A knowledge of the exact length breeding season for improved breeds under different environmental conditions in this country is lacking. Such importance so that lambing can be arranged according to farm conditions. knowledge, apart from providing necessary background successful application artificial insemination and administration hormones, helps explain certain problems infertility. By selection it should possible build up strains, by extending at one or both ends, as get any required...

10.1017/s0021859600056896 article EN The Journal of Agricultural Science 1952-07-01

10.2307/2543 article EN Journal of Animal Ecology 1963-06-01

10.1126/science.162.3857.1035 article EN Science 1968-11-29

10.3168/jds.s0022-0302(68)87084-5 article EN publisher-specific-oa Journal of Dairy Science 1968-05-01

IN PREVIOUS publications a number of compounds have been demonstratedas inhibitors ovulation in rabbits and rats (1, 2, 3). As ourstandard reference we used progesterone, which appears to beeffective also women (4,5). Of especial interest are four compounds:17a-ethinyl-19-nortestosterone (I), 17a-ethinyl-5(10)estraen-17/3-ol-3-one(II), 17a-ethyl-19-nortestosterone (III), 17a-methyl-19-nortestosterone (IV). These suudied for: (a) progestational activity inrabbits, (b) deciduomagenic capacity...

10.1210/endo-59-6-695 article EN Endocrinology 1956-12-01

Abstract Chitosan nanoparticles (CNPs) are promising polymeric with exceptional physicochemical, antimicrobial and biological characteristics. The CNPs preferred for a wide range of applications in the food industry, cosmetics, agriculture, medical, pharmaceutical fields due to their biocompatibility, biodegradability, eco-friendliness, non-toxicity. In current study, biologically based approach was used biofabricate using an aqueous extract Lavendula angustifolia leaves as reducing agent....

10.1038/s41598-023-37660-6 article EN cc-by Scientific Reports 2023-07-10

Abstract This study aimed to investigate the effects of adding Nano-Selenium (NSe) and Nano-clay (NC) as feed supplements on European Sea Bass ( Dicentrarchus labrax ). Two separate experiments were conducted, one with NC other NSe. Each experiment consisted four sub-groups varying concentrations or The expression levels five immune-related genes TNF-α , TNF-β IL-2 IL-6 IL-12 ) measured using Real-time Quantitative PCR (Rt-PCR) Assay. results showed an increase in interleukins...

10.1038/s41598-024-53274-y article EN cc-by Scientific Reports 2024-02-01

The incidence of hepatocellular carcinoma is increasing in many countries. estimated number new cases annually over 500,000, and the yearly comprises between 2.5 7% patients with liver cirrhosis. varies different geographic areas, being higher developing areas; males are predominantly affected, a 2:3 male/female ratioExperiments were designed to examine effect N-Nitrosodiethylamine (NDEA) as cancer-inducer compound confirm preventive flavonoid quercetin on rats. Briefly, thirty six male...

10.1186/1756-9966-28-80 article EN cc-by Journal of Experimental & Clinical Cancer Research 2009-06-11

10.1016/0304-3762(78)90134-7 article EN Applied Animal Ethology 1978-09-01

Nano-ZnO has been successfully implemented in particles, rods, and tubes nanostructures via sol-gel hydrothermal techniques. The variation of the different preparation parameters such as reaction temperature, time, stabilizer agents was optimized to attain morphological structures. influence microwave annealing process on ZnO crystallinity, surface area, structure monitored using XRD, BET, SEM techniques, respectively. antimicrobial activity zinc oxide produced nanotubes examined against...

10.1155/2015/536854 article EN cc-by Bioinorganic Chemistry and Applications 2015-01-01
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