introduction and aims: considering high prevalence of hepatitis b virus (hbv) in iran and need for its prevention, determination of causes and risk factors can help health policy makers in control of disease. materials and methods: all blood donors of tehran city from april 1997 to march 2000 were studied in a case control design. hbsag positive donors who were referred to hepatitis consultatio...

background: unsafe transfusion practices put patients at high risk of transfusion transmissible infections. we aimed to evaluate the prevalence of transfusion transmissible infections (including human immunodeficiency virus [hiv] 1 and 2, hepatitis b virus [hbv], hepatitis c virus (hcv) and syphilis) during a period of 18 months among blood donors in the blood bank of lady hardinge medical coll...

the transfusion transmitted infections are potentially dangerous complications of transfusion therapy in immunocompromised patients. the aim of this study was to determine the prevalence of transmissible infections in blood donor population in kashan, iran. a total of 600 consecutive sera were tested for cmv-igm antibody, hbsag, hepatitis b core (hbc) antibody, hepatitis c (hcv) antibody, and h...

conclusions the analysis indicates that the hev isolated from blood donors in the southwest of iran belongs to genotype 1. however, more samples from other geographic regions of iran are needed to confirm these findings. because transmission of hev by administration of blood or blood components is likely to occur, it may be sensible to screen donor blood for hev to eliminate transfusion-transmi...

effects of imidazoles and substituted pyridines and pure s-donors on the oxidation of cyclooctene with naio4 by 5,10,15,20-tetraphenylporphyrinato-manganese(iii) acetate, mn(tpp)oac, and 5,10,15,20-tetramesitylporphyrinato-manganese(iii) acetate, mn(tmp)oac, catalysts in ch2cl2-h2o solvent are studied. coordination of the nitrogen donors to the mn-catalysts generally caused a reduction in the e...

: iron supplementation for blood donors is a controversial concept. however, to maintain regular blood donors, as a source of blood supply, the present paradigm is not appropriate and dose not prevent harms to blood donors.   methods: a randomized, double-masked, placebo-controlled study, was conducted by enrolling 95 female regular blood donors of childbearing age (18-49 years). the participan...

Despite increased giving in 2019, competition for donations among nonprofits remains high, especially when a charitable organization’s niche overlaps with that of others’. Consequently, nonprofit organizations must tell stories persuade donors to support their mission and contribute. This study uses positioning theory examine how websites the appeared Forbes Magazine’s 2019 top 100 charities us...