Manal Hamdy Elsayed

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Study of the degradation reaction of methotrexate (MTX) in acidic solution was carried out. Optimization of the experimental parameters of MTX acid hydrolysis was investigated. Spectrofluorimetric method for determination of MTX through measurement of its acid-degradation product, 4-amino-4-deoxy-10-methylpteroic acid (AMP), was developed. Stability of the(More)
Data used in this study were collected from the Assiout private Farm in Assiout Governorate in the South of Egypt. In total, a data set of 3875 test-day milk yield (TDMY) records for the first lactation of 414 cows daughters of at least 66 sires and 197 dams were available from 1998 till 2004. Data were classified according to the month of calving into four(More)
Data used in the study were collected from the Assiout private farm in Assiout Governorate in the south of Egypt. In total, a data set of 8473 test-day milk yield (TDMY) records for the first three lactations (3875, 2993 and 1605 records, respectively)of 414 cows daughters of more than 66 sires and 197 dams was available covering the period from 1998 till(More)
Viral hepatitis is a serious problem worldwide that was under-recognized till recently. The prevalence of chronic hepatitis C virus (HCV) is estimated to be 180 million people worldwide. Treatment of chronic HCV using combined pegylated interferon and ribavirin (PEG/RIBA) has long been the standard of care with modest response. In our study, we will report(More)
Simulated Populations with one record were generated with assumed mean (0) and variance (1) milking Buffalo populations. Four different population sizes (z): 10,000, 25,000, 50,000 and 100,000 animals were generated. Populations were composed by four generations obtained by selection of sires and dams from the previous generation. Mating ratio (male:(More)
Syringoma is a benign, eccrine sweat gland tumor. The typical clinical appearance of syringoma is firm, skincolored to brown papules on the lower eye lids of middle aged women. Familial syringoma is rare, but possibly is underestimated in prevalence. Eruptive syringoma, a separate entity, presents mostly in adolescents as clusters of numerous papules on the(More)
Theoretical studies guided the experimental work for a novel fabrication methodology of asymmetric textured Silicon nanocones (SiNCs) through Metal-assisted chemical etching followed by oxidation. Optical numerical and Experimental studies showed a promising antireflective broadband property at angles up to ±60° combined with an inherent(More)
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