Volume 19 (2024)
Volume 18 (2023)
Volume 17 (2022)
Volume 16 (2021)
Volume 15 (2020)
Volume 14 (2019)
Volume 13 (2018)
Volume 12 (2017)
Volume 11 (2016)
Volume 10 (2015)
Volume 9 (2014)
Volume 8 (2013)
Volume 7 (2012)
Volume 6 (2011)
Volume 5 (2010)
Volume 4 (2009)
Volume 3 (2008)
Volume 2 (2007)
Volume 1 (2006)
Evaluating of the Effects of Sub-MIC Concentrations of Gentamicin on Biofilm Formation in Clinical Isolates of Pseudomonas aeruginosa

Zahra Yousefpour; Fateme Davarzani; Parviz Owlia

Volume 16, Issue 4 , August 2021, , Pages 403-410


  Background & Objective: The ability of Pseudomonas aeruginosa to form biofilm has an important role in establishment of chronic phase of infections. Biofilm formation can be affected by antibiotics sub-MIC concentrations. The principal aim of the present study was to evaluate the effect of gentamicin ...  Read More

Conserved OprF as a Selective Immunogen Against Pseudomonas aeruginosa

Ehsan Kazemi Moghaddam; Parviz Owlia; Abolfazl Jahangiri; Iraj Rasooli; Mohammad Reza Rahbar; Marjan Aghajani

Volume 12, Issue 2 , April 2017, , Pages 165-170


  Background & Objectives: Due to the importance of Pseudomonas aeruginosa in severe inpatient infections and high mortality, the need for an efficient vaccine against these bacteria is increasing. In this regard, the general outer membrane porin of the most problematic microorganism P. aeruginosa, ...  Read More

Investigation of Efflux-Mediated Tetracycline Resistance in Shigella Isolates Using the Inhibitor and Real Time Polymerase Chain Reaction Method

Shadi Shahsavan; Parviz Owlia; Abdolaziz Rastegar Lari; Bita Bakhshi; Maliheh Nobakht

Volume 12, Issue 1 , January 2017, , Pages 53-61


  Background: Shigella spp. are gram negative bacteria, which are of global public health importance. The growing of multidrug-resistant Shigella isolates are a major problemaround the world. Methods: Overall, 50 isolates of Shigella spp. from children diarrheic stools were studied. ...  Read More

Isolation of indigenous Glutathione producing Saccharomyces cerevisiae strains

Tahereh Tahmasebi; Rahim Nosrati; Hamed Zare; Horieh Saderi; Reyhaneh Moradi; Parviz Owlia

Volume 11, Issue 4 , October 2016, , Pages 354-362

  Background: Glutathione (GSH) is a non-protein thiol compound, which plays an important role in the response to oxidative stress and nutritional stress. The aim of this study was to isolate indigenous S. cerevisiae strains capable of effectively produce GSH. Methods: One hundred-twenty sweet fruit samples ...  Read More

Detection of Multidrug Resistant (MDR) and Extremely Drug Resistant (XDR) P. Aeruginosa Isolated from Patients in Tehran, Iran

Horieh Saderi; Parviz Owlia

Volume 10, Issue 4 , October 2015, , Pages 265-271


  Background: This study was done to detect multidrug resistant (MDR) and extremely drug resistant (XDR) of Pseudomonas aeruginosa among strains isolated from patients in Tehran, Iran, due to importance of these phenotypes in treatment of human infections. Methods: Eighty eightP. aeruginosa were isolated ...  Read More

Cytobiochemical Potentials of Rosa damascenaMill. Extract

Seyedeh Maryam Sharafi; Iraj Rasooli; Ali Dehghan Kashani; Parviz Owlia; Mohammad Bagher Rezaee; Shakiba Darvish Alipoor Astaneh

Volume 5, Issue 4 , September 2010, , Pages 184-193

  Background and Objectives: There is a profound inclination among people toward consumption of herbs and herbal products. Some of these products are harmful while health-promoting potentials of some others should be discovered. In the present study the antibacterial, antioxidant, acute and subchronic ...  Read More

Detection of CTX-M-β Lactamases form Isolated Klebsiella pneumoniae

Parviz Owlia; Zakaria Bameri; Mohsen Chitsaz

Volume 5, Issue 3 , June 2010, , Pages 137-142

    Background and Objective: Organisms producing CTX-M β-lactamases are emerging as a source of resistance to oxyiminocefalosporins such as ceftriaxone and ceftazidime. However, the laboratory detection of these strains is not well defined. In this study, phenotypic assay for screening of extended-spectrum ...  Read More

In Vitro Bactericidal Activity of Encapsulated Amikacin in Liposome

Mohsen Mirzaee; Parviz Owlia; Mohammad Reza Mehrabi; Amir Gharib

Volume 4, Issue 4 , September 2009, , Pages 151-156

  Background and Objectives:  The most common problems limiting the medical use of aminoglycosides have been the nephro- and oto-toxicities as well as the increasing bacterial resistance. Encapsulation of drugs into liposomes enhances their efficacy while reducing their toxicities. The aim of this ...  Read More

Prevalence of Macrolide-Lincosamide-Streptogramin B (MLSB) Resistance in S. aureus Isolated from Patients in Tehran, Iran

Horieh Saderi; Parviz Owlia; Maryam Eslami

Volume 4, Issue 4 , September 2009, , Pages 161-166

  Background and Objectives: Staphylococcus aureus is an important cause of nosocomial and community-acquired infections in every region of the world. Clindamycin is one of the alternative agents used to treat S. aureus infections and accurate identification of clindamycin resistance is important to prevent ...  Read More

Susceptibility To Vancomycin In Staphylococcus Aureus Isolated From Patients Of Four University-Affiliated Hospitals In Tehran

Horieh Saderi; Parviz Owlia; Zohreh Maleki; Mehri Habibi; Nayere Rahmati

Volume 3, Issue 3 , June 2008, , Pages 161-167

    Background and Objective: Vancomycin is frequently the antibiotic of choice for the treatment of infections caused by methicillin-resistant Staphylococcus aureus (MRSA). For the last years, the incidence of vancomycin-intermediate S. aureus (VISA) and vancomycin-resistant S. aureus (VRSA) has ...  Read More

Detection Of Methicillin Resistance In Staphylococcus Aureus By Disk Diffusion And PCR Methods

Horieh Saderi; Mehri Habibi; Parviz Owlia; Mohammadreza Asadi Karam

Volume 3, Issue 1 , January 2008, , Pages 11-14

    Background and Objective: Methicillin resistance in Staphylococcus aureus is an increasingly important clinical problem. A chromosomal gene, mecA, mediates resistance to penicillinase-resistant penicillins such as methicillin and oxacillin in Staphylococcus aureus. We evaluated the validity of ...  Read More

Phenotypic Detection Of Metallo-beta-lactamase Producing Pseudomonas aeruginosa Strains Isolated From Burned Patients

Parviz Owlia; Horieh Saderi; Zohreh Karimi; Seyed Mohammad Bagher Akhavi Rad; Mohammad Ali Bahar

Volume 3, Issue 1 , January 2008, , Pages 20-25

    Background and Objective: Metallo-beta-lactamase (MBL)-mediated resistance is an emerging threat in hospital isolates of Pseudomonas aeruginosa. There is not enough information from Iran regarding the prevalence and the screening methods for such enzymes. The present study was undertaken to detect ...  Read More

A Novel High-Performance Liquid Chromatography Method for Detection of Alginate in Pseudomonas aeruginosa

Parviz Owlia; Effat Souri; Qurban Behzadian-Nejad

Volume 2, Issue 3 , June 2007, , Pages 104-108

  Background and Objective: The opportunistic pathogen Pseudomonas aeruginosa secrets a capsule-like polysaccharide called alginate which is important for evasion of host defenses, especially in patients with suppressed immunity. Method of alginate determination has an important role in the study of microbial ...  Read More

A 3-Year Study Of Demographic Characteristics Of Patients With Urinary Tract Infection, Microbial Etiology, And Susceptibility Of Isolated Bacteria To Antibiotics In Shaheed Mostafa Khomeini Hospital

Horieh Saderi; Parviz Owlia; Mohammad Reza Jalali Nadoushan; Farid Zaeri; Elaheh Zandieh

Volume 1, Issue 3 , June 2006, , Pages 99-104

  Background and Objectives: This study was designed as a retrospective study on urine samples during three years in Shaheed Mostafa Khomeini Hospital to determine demographic characteristics of patients with urinary tract infection (UTI), microbial etiology, and susceptibility of isolated bacteria to ...  Read More

Drug resistance of isolated strains of Pseudomonas Aeruginosa from burn wound infections to selected antibiotics and disinfectants

Parviz Owlia; Horieh Saderi; Sadegh Mansouri; Sirus Salemi; Hossein Ameli

Volume 1, Issue 2 , April 2006, , Pages 61-64

  Background and Objectives: Infection is the most common problem following burn injury. Selection and dissemination of intrinsic and acquired resistance mechanisms increase the probability of burn wound colonization by resistant species including Pseudomonas aeruginosa. Multi-drug resistant Pseudomonas ...  Read More