Browsing by Author Helmy, Nadia


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Issue DateTitleAuthor(s)
1992The activity of certain enzymes in the tick, Argas (Argas) hermanni during embryogenesisHelmy, Nadia ; A.I. Gadallah 
2010Biochemical effects of some agricultural waste extracts against Culex pipiens (Diptera: Culicidae)Helmy, Nadia ; Bakr,R.F.A ; Nawwar,G.A ; Ibrahim,S.El ; Helmy,O.M 
2007The biological effects of the Jh-analogue, pyriproxyfen on the house-dust mites: Dermatophagoides pteronyssinus and D.Farinae (Acari :Pyroglyphidae).Awad.A.A. ; M.A.Kenawy ; A.M.El-Shafei ; Helmy, Nadia ; Y.Z.A.El-Zohery ; Y.M. Abdel-hamid 
1990Changes in neurosecretory cell activity in female Argas (Aragas) hermonni Audouin (Acari: Argasidae).Shanbaky, N.M. ; A. El Said ; Helmy, Nadia 
2010Changes in protein content of Culex pipiens mosquito treated with two agriculture waste ex/tractsBakr,R.F.A ; Helmy, Nadia ; Nawwar,G.A ; Ibrahim,S.El ; Helmy,O.M 
1999Changes in the total protein in the gut and ovaries of Cimex lectularius (L.) sterilized by gamma radiation.Helmy, Nadia ; N.M. Shanbaky ; H.M. Roushdy ; Y.S. Zaghloul 
1990Changes in total hemolymph and ovary proteins during oogenesis in Argas (Argas) hermonni (Acari: Argasidae).Shanbaky, N.M. ; Mansour, M.M. ; Helmy, Nadia 
2018Changes in Vitellogenic Proteins During The Reproductive Cycle of The Female Tick, Argas persicus.Nadia Helmy Ahmed ; Nawal M. Shanbaky ; Radwan, Wafaa ; Reda F. A. Bakr ; Dalia A.M. Salem ; Amira E. Abd El Hamid 
1-Nov-2013Correlation between Hepatitis B surface antigen titers and HBV DNA levelsAlghamdi, Amal; Aref, Nagwa ; El-Hazmi, Malak; Al-Hamoudi, Waleed; Alswat, Khalid; Helmy, Nadia ; Sanai, Faisal; Abdo, Ayman
1-Nov-2013Correlation between Hepatitis B surface antigen titers and HBV DNA levelsAlghamdi, Amal; Nagwa Mohamed Amin Aref ; El-Hazmi, Malak; Al-Hamoudi, Waleed; Alswat, Khalid; Helmy, Nadia ; Sanai, Faisal; Abdo, Ayman
1996Dynamics of Borrelia crocidurae infection in the mid gut and hemolymph of Ornithodoros (Pavlovskyella) erraticus and localization of the spirochete in the mid gut wallHelmy, Nadia ; N. Lotfy ; A. Abd-ElMohsen 
1992Effect of 20-hydroxy ecdysone on haemolymph isozyme patterns of the female camel tick, Hyalomma dromedarii koch (Acari: Ixodidae) during vitellogenesis.Helmy, Nadia 
1992Effect of 20-hydroxy ecdysone on Haemolymph proteins of the female tick, Hyalomma dromedarii koch (Acari: Ixodidae) during oogenesisGadallah, A.I. ; Helmy, Nadia 
1991Effect of different nutritive media on the toxicity of Bacillus sphaericus 1593-4 as mosquito larvicide.Lotfy, N.M. ; Helmy, Nadia 
2009Effect of extrinsic incubation temperature on borrelial infection in various organs of Ornithodoros (O.) savignyiHelmy, Nadia ; Shanbaky, N.M. ; Abdel Mohsen, A. ; Abdelhamid, Amira 
2009Effect of extrinsic incubation temperature on transstadial and transovarial transmission of Borrelia sp. in Ornithodoros (O.) savignyi and infectivity to vertebrate host.Shanbaky, N.M. ; Helmy, Nadia ; Abdel Mohsen, A. ; Abd El-hamid, A.E 
2009Effect of juvenile hormone analogue (Admiral) on embroyogenesis of the soft tick Argas persicus (oken)Helmy, Nadia ; Radwan, W.A ; Guneidy, N.A. ; Mohammed, S.S. 
2009Effect of juvenile hormone analogue (Admiral) on viability of eggs and postembryonic developmelt of the soft tick Argas persicus (oken). Egypt.Radwan, W.A. ; Helmy, Nadia ; Guneidy N.A. ; Mohammed, S.S 
2018Effect of the Insect Growth Regulator “ Lufox” on Some Biological Aspects of the Soft Tick Argas persicus (Oken)Nadia Helmy Ahmed ; Reda F. A. Bakr ; Dalia A.M. Salem ; Wafaa A. Radwan ; Shanbaky, Nawal ; Amira E. Abd El Hamid 
1995Embryogenesis of Phlebotomus papatasi sand fly (Diptera: Psychodidae) Organogenesis of the nervous system, tracheal system, muscular system, the heart and gonad rudiments.Abbassy, M.M. ; Helmy, Nadia ; M. Osman ; S.E. Cope ; S.M. Presely