the level of dental and oral hygiene on elementary school age children is very low, so it can be increasing the incidence of dental and oral diseases which caused by various microorganisms. moutwash can keep dental and oral hygiene, but many commercial mouthwash is still used alcohol as their ingredients, which can be giving side effects, therefore, we still needed used alternative mouthwash, w...

background: neutropenic patients are vulnerable to a wide spectrum of infectious agents. the aim of this study was to determine the current frequency of bacterial infections in patients with nosocomial fever and neutropenia. methods: in a retrospective study, the neutropenic patients’ specimens with nosocomial fever were cultured on blood and macconkey agar plates and evaluated at microbiology ...

background: pegylated interferon and ribavirin are currently one of the accepted treatment for chronic hepatitis c. dermatologic complications of interferon have been reported, but to date a few cases of bacterial cellulitis; a rare and severe complication, have been published. cellulitis is a common infectious process affecting the skin and subcutaneous tissues which results in significant mor...

alpha-amylase e.c.3.2.1.1. (1,4 glucan, 4 glucanohydrolase) can be obtained from salivary glands, pancreas and microorganisms such as pseudomonas and asperigllus, as well as muscles and ovarian tubes.1.2 alpha-amylase from bacillus subtilis #1024(a tcc 465)* was purified with a highest degree of purity in our laboratory (31.59 u/mg). the extracellular alpha-amylase was subjected to different pu...

bacterial meningitis after spinal and epidural anesthesia is a very rare but serious complication. we report a case of meningitis developing a number of hours after a spinal block for caesarean section. no organism was grown but the csf pattern was suggestive of bacterial meningitis. severe neurological sequelae were present after three months of hospitalization. meningitis is a serious complic...

antimicrobial resistance in pathogens not only in hospitals but also in the community has become an important public health problem. the aim of this study was to determine the antimicrobial resistance patterns of predominant pathogens from hospitalized and outpatients in a university hospital in tehran, iran. a total of 820 samples of common gram-negative and gram-positive bacteria were collect...

results gelatin films exhibited good tensile strength and elongation at break, water solubility, swelling, and water vapor permeability. incorporation of tam into the gelatin films caused a significant decrease in tensile strength and swelling, and a significant increase in elongation at break, water solubility, water vapor permeability and whiteness of the films. gelatin films exhibited low an...

conclusions the current study results showed that silver nanoparticles produced by plantago ovata seed extract had an antibacterial effect on staphylococcus aureus which was resistant against cefixime, trimethoprim-sulfamethoxazole and penicillin. results the silver nanoparticles revealed gaussian distributions with the average diameter of 13 nm with some deviations, and results showed that the...

recurrent bacterial meningitis is not a common disease and makes physicians seek underlying predisposing factors which can result from anatomic anomalies or immunodeficiency. in this paper we present a boy with recurrent bacterial meningitis with the history of trauma and sensorineural hearing loss. mondini dysplasia was demonstrated with computed homographic scans (ct-scan) of temporal bones.