background: investigation of toxicity of silver nanoparticle, especxially blood toxicity, is necessary because this nanoparticle is used a lot in diffrerent parts of life and invironment. the aime of this is evaluation the effects of silver nanoparticles with different concentrations on blood cells pregnant wistar rats. materials and methods: in this case control study, 30 pregnant rat were div...

background traditional medicines are among the oldest medicines and their extensive use in the recent years reflects the public’s interest in alternatives to conventional medicine. objectives the aim of this study was to investigate the genotoxicity of dillsun herbal medicine in dna damage of rat hepatocytes compared to sodium dichromate using a comet assay technique. materials and methods male...

background: there is much debate about effects of medicinal plants such as saffron (crocus sativus) on human health. women are highly involved in farming and processing of this plant. this study is aimed at evaluating the saffron impacts on miscarriage rate of female farmers working in saffron fields. methods: this was a prospective case-control study on pregnant female farmers during harvestin...

objective:the purpose of this study was to investigate the effects of piroxicam co-administration with ethanolic stem-bark extract of khaya senegalensis on biomarkers of oxidative stress and gastro-toxicity in wistar rats. materials and methods: thirty healthy male and female albino wistar rats (190-220 g) were grouped into six (n = 5) with designated treatments including: normal saline, piroxi...

abstract objective: the current study summarizes the updated information concerning the ethnopharmacology, phytochemistry, and pharmacology of otostegia persica boiss. (lamiaceae), an endemic medicinal plant in south and southeast of iran. materials and methods: information was collected through bibliographic investigation from scientific journals, books, theses, reports, and electronic search ...

objective: carthamus tinctorius l. (safflower) is a member of the asteraceae family which is used as a food additive but also has medicinal applications. this study investigated its effects on placental histomorphology and survival of mice neonates. materials and methods: eighty balb/c pregnant mice were randomly distributed into one control and three experimental groups (n=20). the control gro...

vast application of the antibiotic drugs in animals without due attention  to withdrawal times necessitates quality control of food stuff in terms of antibiotics' residues. antibiotic residues in food stuff cause bacterial resistance, allergic reactions, toxicity,  carcinogenic effects and change of natural micro flora of intestine in consumers. so, the aim of the present study is detectio...

acute toxicity (96h-lc50) of potassium permanganate (pm) was determined for caspian kutum rutilus frisii kutum at two size classes (1 and 3 g). static renewal method was used. fish were exposed to different concentrations of pm and mortality was recorded thereafter, until 96 h. exposed fish showed behavioral stress indicators. 96h-lc50 was calculated to be 3.204 (3.147-3.260) mg/l for small fis...

methods for measuring toxicity or respiratory activity of microbial cultures can be used as tools for assessing the presence of chemicals and their impact on the streams. the proposed toxicity test is based on the respirometric characteristics of the bacteria according to the principals of biolog’s microplate system. as the microorganism are utilizing the carbon source (peptone), the reductio...