background: pandemic flu had at least two waves in iran. knowing how many of the general population were already exposed to this infection has a major impact on na-tional preventive measures. as of december 30, 2009, a total of 3672 confirmed cases of human infection with a novel influenza a (2009 h1n1) virus had been reported in iran with 140 deaths. objective: in this study we aim to measure,...

objective: tyrosinase as the key enzyme in melanin biosynthesis, involves in determining the color of mammalian skin and hair. a variety of dermatological disorders, come up from an unnecessary level of epidermal pigmentation. plants are low-cost and rich sources of active compounds.  methods: more than seventy native plants collected from the central region of kurdistan province collected. inh...

prepulse inhibition (ppi), the objective measure of sensorimotor gating disturbance has being widely used in animal models of schizophrenia. dopaminergic direct and indirect agonists impair ppi. however, the profile of dopaminergic receptors involved in ppi impairment by dopamine agonists is not clear. by injecting shrna expressing plasmids against dopamine d2 receptor genes (drd2) in the nucle...

71 samples of milk and dairy products were collected from 18 cities throughout iran. 93 strains of lactic acid bacteria (lab) were isolated and assayed against four opportunistic patho gens including e. coli, proteus and klebsiella as gram-negative and s. aureus as a gram-positive organism. all indicators (organisms) were hospital strains. among isolated bacteria, lactobacilli (37 isolates) had...

introduction: atherosclerosis, hypertension, ischemic diseases, alzheimer’s disease, parkinson disease, cancer and inflammation emerge from imbalance between antioxidant and oxidants. cancer is a most important public health problem in both developed and developing countries. natural antioxidants such as polyphenols are being used for prevention and treatment cancer. polyphenols include phenoli...

thromboembolic disease is a common cause of morbidity and mortality. thrombin plays a key role in thrombotic events and thrombin inhibition represents a therapeutic event for thromboembolic events and has been identified as a target of therapy of its pivotal role in coagulation process. anticoagulation is a major intervention for the management of arterial and venous thromboembolic events. dabi...

background:  the residual effect of triflumuron and pyriproxyfen on musca domestica l larval stages was studied in the laboratory. methods : both igrs at varying concentrations ranging between 0.5 to 2.5 mg/l were placed inside beakers with mice chow and vitamin b complex and water as food for the 1 st , 2 nd and 3 rd instars m.domestica larvae. results: both igrs inhibit m. domestica adult eme...

b-biotype bemisia tabaci is a severe insect pest worldwide in many ornamental, agricultural, and horticultural crops. control of this insect is obstructed by resistance to many acetylcholinesterase (ache)-inhibiting insecticides, such as organophosphates and carbamates. in the present work, we evaluated the acetylcholinesterase inhibitory activity of six monoterpenoids namely α-pinene, terpineo...

in an endeavor to find a novel series of antihyperglycemic agents, new benzimidazole and pyrimidine derivatives were successfully synthesized efficiently in high yield with high purity, starting from amino acids in the presence of phosphorus oxychloride (pocl3). the synthesized compounds were identified by 1h-nmr, 13c-nmr, ft-ir spectroscopic techniques and elemental analysis. all products were...

executive dysfunction theory in autism spectrum disorders is basis for many features of this disorders in social and non social areas. the purpose of research was study of response inhibition in children with autism spectrum disorders using computerized stroop test. this study was causal-comparative research. convenient sampling method were used for selected of 15 boy with autism spectrum disor...