background: nuts are one of the main consumed snacks worldwide and also have an important role among iranian's food habits. natural contamination of nuts with aflatoxin is unavoidable and causes a special challenge for nuts safety and quality. objectives: the purpose of this research was to study the aflatoxin contamination in commercially-available nuts (pistachio, walnut and peanut) in the ma...

b ackground : tuberculosis is a crucial health problem. establishing a rapid, reliable and still inexpensive diagnostic method for tuberculosis seems to be substantial in developing countries where tb has very high incidence rate . methods:   an indirect  enzyme-linked  immunosorbent  assay (elisa )   was established to detect serum antibodies against mycobacterium  tuberculosis. three kinds of...

conclusions afm1 contamination of milk is not a concern in this city. however, dairy cattle feed samples of various livestocks must be regularly checked for aflatoxin and the storage conditions of feeds should be strictly controlled. results afm1 was detected in all milk samples. the mean concentration of afm1 was 11.61 ± 0.72 ng/l with a range of 6.3-23.3 ng/l. none of the samples had levels e...

lidocaine (lc) is a local anesthetic agent. the aim of this study was to prolong the anesthetic effect of this drug in the oral cavity in the treatment of oral mucositis. films of lc were prepared with three different molecular weights (mw) of chitosan in three different concentrations (1-3%) and were then cross-linked by solvent casting evaporation method with tripolyphosphate penta sodium sal...

materials and methods in this descriptive study, 2988 stool samples of patients with acute gastroenteritis were collected from children’s hospitals of 5 main cities of iran. the samples were sent in frozen condition to pediatric infection research center in tehran and stored at -70°c. elisa test was performed for detection of rotavirus antigens. the mean age of study population was 1 to 5 years...

background while hepatitis e virus (hev) mostly causes self-limited disease in general population, it is more severe in pregnant women. objectives this study aimed to investigate the seroprevalence of anti-hev igg among a population of pregnant women in west azerbaijan of . patients and methods one hundred thirty six pregnant women referred to urban health centers of urmia for pursuing pregnanc...

materials and methods a total of 228 fecal samples were collected from residents of rural areas of hamadan, west of iran. each fecal sample was divided into two parts, one kept frozen at -20˚c for ag-capture elisa and the other in 10% formalin for the ap staining method. cryptosporidium ag-detection elisa procedure was performed according to the manual of the manufacturer. the preserved samples...

the data set used in this study contained 8793 records of lamb's longevity (days) from 320 sires and 2349 dams collected during 1989 to 2014, from the lori-bakhtiari flock at shooli station in shahrekord, iran. genetic parameters (partitioned into autosomal, sex-linked and maternal) and breeding values of cumulative lamb's longevity from birth up to yearling age (at 1, 2, 3, 6, 9 and ...