نتایج جستجو برای: negative bacterial infections

تعداد نتایج: 939666  

Journal: Nanomedicine Journal 2017
Ali Asghar Tehrani, Habib Dastmalchi Saei, Malahat Ahmadi Shabnam Golbui Daghdari

Objective (s): Bacterial infection is an important cause of delayed wound healing. Staphylococcus aureus (S. aureus) is the main agent causing these infections. Zinc Oxide (ZnO) nanoparticles have antibacterial activity and also accelerate the wound healing process. The aim of the present study is to evaluate the effect of ZnO nanoparticles on bacterial load reduction of the wound infection.  M...

اصلی, اسماعیل, برومند, محمد علی, سپهری سرشت, سعید, قاسمی, احمد, محتشمی, مهناز,

  Background : Silver nanoparticles have wide applications in medicine and treatment of bacterial infections due to their disinfection properties. Chemical synthesis, biosynthesis and antibacterial properties of silver nanoparticles have been studied previously, but regarding the high costs of chemical synthesis and the increase of antibiotic-resistance phenomenon among bacteria, assessment of ...

Journal: :Journal of immunology 2010
Suzanne F G van Helden Koen van den Dries Machteld M Oud Reinier A P Raymakers Mihai G Netea Frank N van Leeuwen Carl G Figdor

Chronic infections are caused by microorganisms that display effective immune evasion mechanisms. Dendritic cell (DC)-dependent T cell-mediated adaptive immunity is one of the mechanisms that have evolved to prevent the occurrence of chronic bacterial infections. In turn, bacterial pathogens have developed strategies to evade immune recognition. In this study, we show that gram-negative and gra...

Journal: :acta medica iranica 0
m. haghi-ashteiani n. sadeghifard m. abedini s. soroush m. taheri-kalani

urinary tract infection (uti) is a common bacterial illness in children. knowledge of the antimicrobial resistance patterns of common uropathogens in children according to local epidemiology is essential for providing clinically appropriate, cost effective therapy for uti. the aim of this study was to determine the distribution of urinary tract infections in a referral hospital, children’s medi...

Bacterial infections may cause disease and death. Infants and children are often subject to bacterial infections. Antimicrobials kill bacteria protecting the infected patients andreducing the risk of morbidity and mortality caused by bacteria. The antibiotics may lose their antibacterial activity when they become resistant to a bacteria. The resistance to different antibiotics in a bacteria is ...

Journal: :Applied and environmental microbiology 2007
Christian U Riedel Pat G Casey Heidi Mulcahy Fergal O'Gara Cormac G M Gahan Colin Hill

A novel vector has been constructed for the constitutive luminescent tagging of gram-negative bacteria by site-specific integration into the 16S locus of the bacterial chromosome. A number of gram-negative pathogens were successfully tagged using this vector, and the system was validated during murine infections of living animals.

Journal: :Journal of Institute of Science and Technology 2021

Bronchoalveolar Lavage (BAL) is a medical technique by which cells and fluids from bronchioles lung alveoli are withdrawn for diagnosis of disease or evaluation treatment. Patients with various pulmonary infections follow the procedure BAL as it has high sensitivity reliability in diagnosis. To examine bacterial etiology among tertiary care patients infections, cross-sectional study was conduct...

Journal: :Pediatric practice and research 2021

Serratia species are opportunistic, gram-negative, motile bacteria classified in the large family Enterobacteriaceae and differentiate from Klebsiella spp. with slow fermenting lactose DNAase positive (1,2). One of characteristics that distinguishes them other is to synthesize red pigments, prodigiosins. It can cause nosocomial infections especcialy newborns patients intensive care units. spp.;...

Journal: :novelty in biomedicine 0
fariba fayaz department of microbiology, faculty of medicine and infectious diseases and tropical medicine research center, shahid beheshti university of medical sciences, tehran, iran sara rahmati roodsari infectious diseases and tropical medicine research center,shahid beheshti university of medical sciences, tehran,iran latif gachkar infectious diseases and tropical medicine research center,shahid beheshti university of medical sciences, tehran,iran bita pourkaveh infectious diseases and tropical medicine research center,shahid beheshti university of medical sciences, tehran,iran

background: the advancement of technology in recent decades has been lead to use the electrophysiology cardiac devices. although these devices are used increasingly, but the frequency of subclinical infection is unknown. we investigate bacterial infections due to implantable cardioverter defibrillator (icds) in patients with endocarditis. m aterials and methods: population of the study was cons...

2013
Sukanya De Gabrielle J Williams Andrew Hayen Petra Macaskill Mary McCaskill David Isaacs Jonathan C Craig

OBJECTIVES To determine the accuracy of a clinical decision rule (the traffic light system developed by the National Institute for Health and Clinical Excellence (NICE)) for detecting three common serious bacterial infections (urinary tract infection, pneumonia, and bacteraemia) in young febrile children. DESIGN Retrospective analysis of data from a two year prospective cohort study SETTING...

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