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Purification of peroxidase isoenzymes from turnip roots.
- R. Hamed, T. Maharem, M. M. Abel Fatah, F. S. Ataya
- Chemistry, Medicine
- Phytochemistry
- 1 August 1998
Simple reproducible procedures for purification of the main soluble (S) and ionically bound (IB) cationic peroxidase isoenzymes from turnip roots were established. The procedures included ammonium… Expand
Glutathione and its related enzymes in fasciola snails (Lymnaea natalensis): purification and characterization of glutathione transferase.
- N. Farid, R. Hamed, A. Shokeer
- Chemistry
- 2009
The effect of molluscicides - niclosamide and bromoacetamide on the glutathione (GSH) quantity and the activities of enzymes glutathione S-transferase (GST), glutathione reductase (GR), glutathione p… Expand
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Glutathione and its related enzymes in the gonad of Nile Tilapia (Oreochromis niloticus)
- R. Hamed, N. S. Saleh, A. Shokeer, R. A. Guneidy, S. A. Abdel-Ghany
- Biology, Medicine
- Fish Physiology and Biochemistry
- 1 February 2016
Glutathione (GSH) concentration, the activity of its metabolizing enzymes, glutathione transferase (GST), glutathione peroxidase (GPx), glutathione reductase (GR), and the antioxidant enzyme catalase… Expand
Molecular cloning, expression and characterization of a functional GSTmu class from the cattle tick Boophilus annulatus.
- Y. E. Shahein, Amr El Sayed El-Hakim, Amira M. K. Abouelella, R. Hamed, S. Allam, N. Farid
- Biology, Medicine
- Veterinary parasitology
- 25 March 2008
A full-length cDNA of a glutathione S-transferase (GST) was cloned from a cDNA library of the local Egyptian cattle tick Boophilus annulatus. The 672 bp cloned fragment was sequenced and showed an… Expand
Multiple unfolding states of glutathione transferase from Physa acuta (Gastropada: Physidae)
- A. Abdalla, R. Hamed
- Chemistry
- 10 February 2006
The equilibrium unfolding of the major Physa acuta glutathione transferase isoenzyme (P. acuta GST(3)) has been performed using guanidinium chloride (GdmCl), urea, and acid denaturation to… Expand
Evaluation of glycoproteins purified from adult and larval camel ticks (Hyalomma dromedarii) as a candidate vaccine
- Amr E. El Hakim, Y. E. Shahein, S. Abdel-Shafy, Amira M. K. Abouelella, R. Hamed
- Biology, Medicine
- Journal of veterinary science
- 23 August 2011
In order to identify antigens that can help prevent camel tick infestations, three major glycoproteins (GLPs) about 97, 66 and 40 kDa in size were purified from adult and larval Egyptian ticks,… Expand
Glutathione and its Related Enzymes in the Nile Fish
- R. Hamed, T. Maharem, Rasha A. M. Guinidi
- Biology
- Fish Physiology and Biochemistry
- 1 September 2004
Glutathione (GSH) and related enzymes, glutathione transferase (GST), glutathione peroxidase (GPx) and glutathione reductase (GR) form an important phase 2 biotransformation enzymes system. The… Expand
Purification and characterization of a glutathione S-transferase from Mucor mucedo.
- R. Hamed, M. Abu-Shady, F. El-beih, A. Abdalla, Ola M Afifi
- Biology, Medicine
- Polish journal of microbiology
- 2005
An intracellular glutathione transferase was purified to homogenity from the fungus, Mucor mucedo, using DEAE-cellulose ion-exchange and glutathione affinity chromatography. Gel filtration… Expand
Characterization of catalase from Hyalomma dromedarii cuticle
- R. Hamed
- Biology
- 1984
Abstract 1. 1. Extracts of the tick Hyalomma dromedarii cuticle and its haemolymph contain both catalase (EC 1.11.1.6) and superoxide dismutase (EC 1.15.1.1). 2. 2. The enzyme catalase has been… Expand
Multiple unfolding states of glutathione transferase from Physa acuta (Gastropoda [correction of Gastropada]: Physidae).
- A. Abdalla, R. Hamed
- Medicine
- Biochemical and biophysical research…
- 2006
The equilibrium unfolding of the major Physa acuta glutathione transferase isoenzyme (P. acuta GST(3)) has been performed using guanidinium chloride (GdmCl), urea, and acid denaturation to… Expand
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