Mohammad Vahedi

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Task scheduling is essential for the suitable operation of multiprocessor systems. The aim of task scheduling is to determine an assignment of tasks to processors for shortening the length of schedules. The problem of task scheduling on multiprocessor systems is known to be NP-complete in general. Solving this problem using by conventional techniques needs(More)
OBJECTIVE An association between diabetes mellitus and alterations in the oral cavity has been noted. In this study, we evaluated differences between salivary IgA, glucose and flow rate in diabetic patients compared with healthy controls. MATERIALS AND METHODS Forty patients with type 1 diabetes, 40 patients with type 2 diabetes and 40 healthy controls(More)
OBJECTIVE Punica granatum has been used for many years in folk medicine due to several purposes. The aim of the present study was to evaluate the effect of methanolic extract of Punica granatum peel (MEPGP) against Streptococcus mutans, Staphylococcus aureus, Streptococcus salivarius, Streptococcus sanguinis, Staphylococcus epidermidis, Actynomyces(More)
Parasitic gastrointestinal infections are one of the most important health problems in the developing countries, which lead to the onset of intestinal disease particularly diarrhoea. Due to the particular geographic situation in the Mazandaran province, individuals are infected with various intestinal parasites. The aim of this study was to determine(More)
OBJECTIVE Exposure to mercury can occur in occupational and environmental settings. During clinical work with dental amalgam, the dental personnel are exposed to both metallic mercury and mercury vapor. The aim of the present study was to investigate blood mercury level (BML) and its determinants among dentists practicing in Hamadan city, Iran. MATERIALS(More)
INTRODUCTION Nosocomial infections remain a major challenge to the health care system and result in significant mortality, morbidity, and economic burden. Intensive care unit (ICU) patients are at great risk of acquiring nosocomial infections. The objective of this study was to determine the contamination rate (bacterial and fungal) of the health care(More)
BACKGROUND Dendritic cells (DCs) are professional antigen presenting cells that have an important role in the initiation of immune response. The use of maturation factors in dendritic cell differentiation provides a promising approach in immunotherapy. OBJECTIVE In this study, we compared tumor necrosis factor-α, polyribocytidylic acid, lipopolysacharide(More)
BACKGROUND AND AIMS A perfect endodontic treatment necessitates proper understanding of the morphology of canal and pulpal variations. This in vitro study was conducted to demonstrate the in-ternal anatomy of mandibular canine teeth in an Iranian population. MATERIALS AND METHODS The samples consisted of 100 extracted mandibular permanent canines. The(More)
CONFLICT OF INTEREST NONE DECLARED. INTRODUCTION The study of the scientific evidence citation production by famous databases of the world is one of the important indicators to evaluate and rank the universities. The study at investigating the scientific production of Northern Iran Medical Sciences Universities in Scopus from 2005 through 2010. METHOD(More)
INTRODUCTION The quality of milk is influenced by different bacteria present in milk. This study was undertaken to investigate the bacterial contamination of raw and pasteurized milk in Sari Township, Iran, 2011. METHODS In this investigation, 100 pasteurized milk samples were collected randomly from the super markets in the city and 100 raw milk samples(More)