objective: because of the host immunological system response against the minor blood groups of donor, transfusion in some cases, especially for patients require repeated transfusions (such as people with thalassemia), can be considered as a significant problem.  a proposed way is coating the surface antigens on red blood cells (rbcs) by covalent binding of methoxy polyethylene glycol (mpeg). th...

introduction: prevention and control of cross infections for the personnel of dental offices and clinics are a critical issue in dental practice. in this study, a standardized questionnaire was developed to assess the knowledge, attitude and practice of the oral health-care workers in tehran university dental school regarding the blood-transmitted diseases and its validity and reliability were ...

during two years study about mitochondrial disease (sep 1999-agu 2001), 15 cases of leigh syndrome (ls) were diagnosed, that consisted of 11 boys and 4 girls aged between 6 to 156 (mean: 40.5) months. most of the patients (46.7%) became symptomatic between 1-5 years of age. triggering factors were reported in 66.6% of the patients and 40% of them became symptomatic after infections. the most fr...

the aim of this study was to investigate the prevalence of hepatitis b, hepatitis c, hiv and syphilis infections in blood donors referred to tehran blood transfusion center (tbtc), and determine any association between blood groups and blood- borne infections between the years of 2005 and 2011.this was a retrospective study conducted at tbtc. all of the donor serum samples were screened for hbv...

background hypovitaminosis d has been associated with the development of gestational diabetes mellitus (gdm) in many observational studies. objectives we report the first study of the impact of prenatal vitamin d supplementation on postpartum dysglycemia in gdm patients in a randomized clinical trial. patients and methods women with gdm at 12 - 32 weeks of gestation were assigned randomly to ei...

the cytotoxic activity of natural killer cells is usually tested by radioactive assay csi cr release assay), which detects the release of cytoplasmic contents after plasma membrane disintegration of dying cells. in contrast to this indirect evaluation of cytotoxicity, the assessment of cell damage by flow cytometry aims to provide a more exact characterization of the death pathway via detection...

normal 0 false false false en-us x-none ar-sa microsoftinternetexplorer4 blood and blood products should be kept in cold temperatures to avoid hemolysis and preserve sterility and functional integrity of blood components. patients needing massive transfusion require the blood to be warmed at bedside, to avoid cardiac and general hypothermia. hypothermia due to massive and rapid transfusion in i...

the aim of this study was investigating some blood parameters of blue-neck male ostriches (struthio camelus) with 4 months old after feeding a diet containing 3% sunflower oil for two months. in the morning, after about 12 h of fasting, some blood samples were collected from the wing vein of ostriches at the beginning and 60 days of study in department of animal sceince arak university . the pl...

background blood transfusion is one of the many ways, through which toxoplasma gondii (t. gondii), a protozoan parasite, can be transmitted to humans. objectives this cross sectional study aimed to evaluate the seroprevalence of toxoplasma infection and related epidemiological features among healthy blood donors. materials and methods a total of 375 blood samples from donors were tested for spe...