Contamination of soil with lead has occurred on a global scale. Exposure to lead may cause adverse effects to human health and the environment. It is therefore desirable to obtain a quantitative estimate of the potential risk of lead contamination. Numerous studies have been conducted collecting lead concentration data from both natural and contaminated soil on a range of scales. Very few of th...

Background: Aflatoxin M1 (AFM1) is a major carcinogenic compound that may be existed in milk and dairy products. This study was aimed to determine the presence of AFM1 in industrial and traditional yogurt samples produced in Iran. Methods: A total of 80 yogurt samples (40 industrial, 40 traditional) was collected from supermarkets in Yazd city, Iran. AFM1 content of the selected samples was de...

The Yellow River is the most important water resource in northern China. In the recent past, heavy metal contamination has become severe due to industrial processes and other anthropogenic activities. In this study, riparian soil samples with varying levels of chromium (Cr) pollution severity were collected along the Gansu industrial reach of the Yellow River, including samples from uncontamina...

Abstract This manuscript represents a review on progress made over the past decade concerning our understanding of meteoroid bombardment airless solar system bodies as one sources formation their exospheres. Specifically, observations at Mercury by MESSENGER and Moon LADEE, together with in dynamical models environment inner system, offer new tools to explore detail physical phenomena involved ...

Campylobacter jejuni and C. coli are the main causes of gastrointestinal diseases in humans even in industrialized countries affecting public health. The aim of the current study was to evaluate the occurrence and antibiotic resistance of C. jejuni and C. coli in chicken meat, beef, mutton and water buffalo meat slaughtered in Ahvaz city, Iran. A total of 380...