Background: About 10-15% of population HBV infection becomes chronic, and 85-90% are resolved. In Iraq, HBs-Ag assay by ELISA is only mandatory test for detection of HBV infection in blood donors. Anti- HBc and anti-HBs were not detectable in their sera.
Objective: To investigate the distribution of serological patterns for HBV who were HBsAg negative.
Material and method: Between July 18, 2011 to December 25, 2011, 10ml of blood samples were collected from National blood Transfusion Center donors, Baghdad, for 25782 individuals (25294 male, 488 female), mean age (20-65)years. HbsAg positive sera excluded (185), and final number of donors included in the
study was 25597 HbsAg negative.
Result: The data showed a previous exposure for HBV(p>0.05) through anti-HBc and anti-HBs 3.8% by Architect system. The anti-HBs combine with anti-HBc was 68.5%, while anti-HBc alone was 31.5%. Independent risk factors were association with married, history of blood transfusion and residence.
Conclusion: The prevalence of the HBV in Iraq is 4.6% as intermediate region at first time.
Background: The surgical treatment of pilonidal sinus varies from wide excision and laying the wound open or excision with primary closure or excision with the use of skin graft in some special cases.
Objectives: The objectives of this study is to determine the efficacy of treating non complicated pilonidal sinus disease with minimal excision and primary closure technique, complications and recurrence rate.
Patients and methods: This is a prospective study conducted in shahid ahmed ismaiel hospital in rania – As sulaimania IRAQ during the period from December 2013 to January 2016 and was carried on one hundred (100) consecutive patients with non complicated non recurrent pilonidal sinus patients who were treated with minimal exci
The Nano compound (Ba1-xSrxTiO3) as (X=0,0.26,0.28,0.30,0.32,0.34) was synthesized by using sol-gel method, the structural properties of result compound were studied by using xray diffraction test (XRD) and scanning electron microscope (SEM). the results were exhibited and by using software indexing to x-ray diffraction pattern that all prepared samples possess tetragonal phase and there is not any other phases were existed. also the substitution process didn't change the phase of compound and increase in (Sr+2) ion concentration leads to decrease lattice parameters (a,c) then the unite cell volume was decreased, as the particle size calculated from Debye-Scherrer and Williamson-Hall equations , and the calculated dens
... Show MoreA direct spectrophotometric method has been developed for the
determination of nitrite in aqueous solution. The method is based on the reaction of the nitritw ion with an acidified anline solution from diazonium cation , which is subsequently coupled ·with 4,6 - dihydroxy- 2- mercapto pyrimidine to from yellow colored and water
- soluble intense azo dye with maximum absorption at 416nm . A
graph of absorbance versus concentration shows that Bee's
... Show MoreIn this research an improvement of the efficiency of vacuum microwave tube type Gl-19B had been done by activation of internal surfaces using two specific procedures which can qualify the tubes to be reused again.
The first method was the reevacuuated and heating treatment.
The second method wa:s the glow discharge method which used ro
clean the electrodes and improve the vacuum to about!o·8 mbar.
In order to study the using of both processes together, Copper
samples heate
... Show MoreA nano-sensor for nitrotyrosine (NT) molecule was found by studying the interactions of NT molecule with new B24N24 nanocages. It was calculated using density functionals in this case. The predicted adsorption mechanisms included physical and chemical adsorption with the adsorption energy of −2.76 to −4.60 and −11.28 to −15.65 kcal mol−1, respectively. The findings show that an NT molecule greatly increases the electrical conductivity of a nanocage by creating electronic noise. Moreover, NT adsorption in the most stable complexes significantly affects the Fermi level and the work function. This means the B24N24 nanocage can detect NT as a Φ–type sensor. The recovery time was determined to be 0.3 s. The sensitivity of pure BN na
... Show MoreThe creation and characterization of laser-generated plasma are affected by laser irradiance, representing significant phenomena in many applications. The present work studied the spectroscopy diagnostic of laser irradiance effect on Zn plasma features created in the air by a Q-switched Nd: YAG laser at the fundamental wavelength (1064nm). The major plasma parameters (electron temperature and electron density) have been measured using the Boltzmann plot and the Stark broadening methods. The value of electrons temperature ranged from 6138–6067 K, and the electron density in the range of 1.4×1018 to 2×1018 cm-3, for laser irradiance range from 2.1 to 4.8×108 (W/cm2
... Show MoreMagnetic nanoparticles (MNPs) of iron oxide (Fe3O4) represent the most promising materials in many applications. MNPs have been synthesized by co-precipitation of ferric and ferrous ions in alkaline solution. Two methods of synthesis were conducted with different parameters, such as temperature (25 and 80 ̊C), adding a base to the reactants and the opposite process, and using nitrogen as an inert gas. The product of the first method (MNPs-1) and the second method (MNPs-2) were characterized by x-ray diffractometer (XRD), Zeta Potential, atomic force microscope (AFM) and scanning electron microscope (SEM). AFM results showed convergent particle size of (MNPs-1) and (MNPs-2) with (86.01) and (74.14)
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