background: blood transfusion is one of the most crucial needs of the society in multiple diseases and injuries. the only source of blood is donation. students consist a large and healthy group who are able of providing a large number of blood donation, however, blood donation is rare amongst them. this study was conducted to evaluate students awareness and attitude towards blood donation in ke...

abstract: genotyping of the hepatitis c virus (hcv) is important for designing therapeutic strategies and regional specific diagnostic assays. the aim of this study was to identify the hcv genotypes in hcv infected blood donors. this is the first report on hcv genotypes in blood donors in iran. in this cross-sectional study, 103 blood donors with hepatitis c were investigated for hcv genotypes....

An asymmetric proline catalyzed aldol reaction with a-thioacetal aldehydes has been developed. Thioacetal bearing aldehydes readily participate as electrophilic cross-aldol partners with a broad range of aldehyde and ketone donors. High levels of reaction efficiency as well as diastereoand enantiocontrol are observed in the production of anti-aldol adducts. q 2004 Elsevier Ltd. All rights reser...

the aim of this study was to analyze the incidence of stage of embryonic development, embryo quality and the time of transfer on pregnancy rate in embryo transfer program timed. we were worked a total of 23holsteincowsasembryo donors, super-ovulated with gonadotropin of pregnant mare serum (pmsg) (2500 3000ui).69 cows were used as recipients of holstein dairy heifers with an age of20 months and...

results the accuracy for detecting number of main renal arteries were not different in both groups which were 96.7% in ct angiography group and 90% in traditional angiography group (p = 0.15). the accuracy for detection of main renal veins were 100% in group 1 and 96.7% in group 2 (p = 0.31). patients and methods a total number of 60 living kidney donors who underwent open surgical approach for...

background and aims: cytomegalovirus (cmv) has worldwide distribution, and its prevalence rate depends on factors such as economic and geographical conditions. an important way of the virus transmission is via blood. due to high prevalence of anti-cmv antibodies in blood donors and lack of data concerning its seroprevalence in the region, this study was carried out to determine the prevalence r...