The emergence, spread, and persistence of multidrug-resistant (MDR) bacteria have become a public health threat. Therefore, it is urgent to investigate novel antimicrobial materials without antibacterial resistance. In this regard, Copper/graphitic carbon nitride nanocomposites (Cu/g-C3N4 NCs) with different loading amounts Cu nanoparticles (NPs) been successfully prepared via the co-precipitation-sonication approach. purity nanostructures was verified by X-ray diffraction (XRD) pattern....

Background and Objectives: In the past few years, application of new antimicrobial e.g. nanoparticles (NPs) to treat infec- tion caused by drug-resistantbacteria has increased. This study aimed determine property silver nanopar- ticles (AgNPs) gold (AuNPs) in combination with linezolid on Enterococcus biofilm. Materials Methods: A total forty-eight isolates spp. were collected confirmed PCR method. The synthesis biocompatibleAgNPs was performed, then analyzed Fourier Transform Infrared...

Abstract Objective Streptococcus agalactiae is an important pathogen in neonates and pregnant women. Neonatal invasive infections due to S. are life-threatening preventive strategies for this challenge of human have become a concern. The aim the present study was determine prevalence rectovaginal colonization, related risk factors antibiotic resistance pattern among women Iran. Methods performed on 240 Vaginal rectal swabs were obtained from all then transferred laboratory. isolation...

Background: Streptococcus pneumoniae remains a major cause of invasive streptococcal diseases among all age groups, particularly infants and the elderly. Objectives: This study aimed to recognize determine S. serotypes isolated from clinical specimens by multiplex polymerase chain reaction (PCR). Methods: A total 105 pneumococcal strains were collected nonvaccinated cases within range 10 days 92 years five provinces Iran June 2017 August 2019. The cultured on blood agar. Biochemical analyses...

Abstract Background Meningitis is considered a life-threatening infection with high mortality all over the world. Hemophilus influenzae ( H. ) and Streptococcus pneumoniae S. are regarded as two most common infectious agents causing bacterial meningitis. This study aimed to identify serotypes in blood cerebrospinal fluid (CSF) of pediatric patients meningitis, using polymerase chain reaction (PCR). Methods multi-center cross-sectional included 284 children suspected meningitis referred 4...

Background and Aim:Early childhood caries is one of the most common chronic diseases in children, affecting both oral general health.Oral microorganisms are important causative agents associated with dental children.The aim this study was to compare antimicrobial activity Iranian non-Iranian children's toothpaste on growth four standard bacteria strains, including Streptococcus mutans, sanguinis, Lactobacillus acidophilus, Enterococcus faecalis. Materials Methods:In study, six types children...

Abstract Introduction: Elevated resistance of bacteria to common antibiotics and the lack efficient alternatives treat bacterial infections are main concerns health services. Therefore, need figure out new therapeutic options is inevitable. Strontium Tungsten Oxide nanoparticles (SrWO 4 NPs) as an antimicrobial agent have recently received attention. However, few reports been published on its properties. Material methods: In present study, SrWO NPs were synthesized by hydrothermal method. To...

Background: Many studies have revealed various aspects of the relationship between stomach and brain, but there has been no systematic study role gut microbiota in drug addiction to date. This investigation is based on novel concept that dysbiosis plays an important disorders. Probiotic supplements (PBS) are thought be a useful therapy method for opiate substance misuse. Therefore, it postulated changes flora can play significant part process. Objectives: The aim this was observe whether...

Aims:Staphylococcus aureus is considered a major cause of food poisoning in the world. We aimed to investigate prevalence S. isolated from hamburgers Kashan city. Materials and Methods: In this study, 71 hamburger samples were collected supermarkets March July 2017. The examined after dilution Baird–Parker Agar Base medium inoculation for bacterial growth aureus. Gram staining, catalase tests, mannitol fermentation, coagulase, DNase, sensitivity novobiocin used detect bacteria. Results:...

Introduction: Maintaining hospital air quality is very important, especially in intensive care units (ICUs), where patients undergo invasive procedures. Therefore, the present study was conducted with aim of determining relationship between particulate matters (PMs) and bioaerosols pediatric ICU (PICU), neonatal (NICU), open heart (ICU OH) Shahid Beheshti Hospital Kashan. Materials Methods: This cross-sectional for six consecutive months, i.e., autumn winter 2021. PM samples were taken using...

Introduction: Given that hospital air is one of the important environmental sources for transmission microorganisms, importance airborne in epidemiology hospital-acquired infections (HAIs) has gained attention past two decades. Therefore, present study aims to determine concentration bacteria association with particulate matter (PM) outdoor and indoor wards. Materials methods: The GRIMM 1.109 dust monitor Andersen one-stage viable impactor were used particle counting bioaerosol sampling,...

Conjunctivitis is a very common ocular disease, which can be caused by wide variety of microorganisms. This study was aimed to assess the bacterial etiology and antibiotic susceptibility conjunctivitis patients' isolates from Central Iran.This performed in 180 patients referred Department Ophthalmology Kashan University with symptoms July 2017 December 2017. To detect different bacteria, Gram staining, morphological characterization, pigment production, biochemical characteristics, coagulase...

Introduction:Streptococcus pneumoniae is one of the major pathogens responsible for respiratory tract infections, meningitis, and bacteremia.In most countries around world, an increase in emergence macrolide-resistant S. isolates has become a serious problem.Therefore, this study was conducted to investigate association erythromycin resistance with mefA ermB genes among clinical Tehran City (Tehran Province, Iran). Materials Methods:In cross-sectional study, 62 erythromycin-resistant (ERSP)...

Background: Streptococcus pneumoniae is recognized as one of the main pathogens inducing several invasive and non-invasive infections in children. Objective: The present study aimed to evaluate serotype distribution S. six–month–old carriers. Methods: This encompassed 600 six-month-old healthy infants whose pharyngeal swap samples were collected then cultured isolate pneumoniae. Twenty- five different serotypes defined on positive culture by multiplex PCR. Results: In this study, 13 cases...

Background: Infections caused by Streptococcus pneumoniae (S. pneumoniae) have remained a significant public health concern worldwide. In developed countries, the highest prevalence of S. pneumonia has been reported among elderly. The aim this study was to evaluate coverage genotypes in 13-valent pneumococcal conjugate vaccine (PCV-13) Iranian elderly population. Methods: A total 41 isolates were collected current retrospective cross-sectional study. samples comprised 33 inpatients...

Background: Recent studies have shown an increasing incidence of antibiotic resistance in dacryocystitis. Management diseases may include determining microbial agents and choosing appropriate antibiotics for treatment. Objectives: This study aimed to present the best treatments To this end, specimens' microbiology susceptibility were examined patients with dacryocystitis laboratory Kashan University Medical Sciences. Methods: cross-sectional was performed on 172 presenting acute chronic at...