نتایج جستجو برای: bacteriocidal effect
تعداد نتایج: 1641732 فیلتر نتایج به سال:
چکیده : هدف پژوهش حاضر، تعیین نقش واسطهای اعتماد سازمانی در رابطه ی بین عدالت سازمانی و یادگیری سازمانی به روش تحلیل مسیر میباشد. برای این منظور با استفاده از روش نمونه گیری تصادفی ساده 1?0 نفر از کارکنان اداره ورزش و جوانان استان فارس انتخاب و به پرسشنامه های متشکل از ابعاد یادگیری سازمانی، عدالت سازمانی و اعتماد سازمانی پاسخ دادند. نتایج پژوهش به طور کلی نشان داد که رابطه ی عدالت سازمان...
Many pathogenic strains of bacteria producing acute infection in man are characterized by capsules or surface factors which resist phagocytosis.' Differences in antigenic structure of these surface components have allowed separation of individual pathogenic strains and study of the role of specific antibody in resistance to, or recovery from, infections caused by these microbial species. To dat...
After the sensational announcement of isoniazid as a remedy for tuberculosis a little over a year ago, it is highly proper a t this time to inquire about its present status-to assess its value and to describe its mode of action as much as the known facts will permit. There is no doubt that the first wave of enthusiasm was not entirely justified by subsequent trials in various forms of tuberculo...
Innate immune mechanisms are crucial in defense against bacterial illnesses in humans, as evidenced by abnormal antibacterial responses due to defects in TLR signaling, seen in children with MyD88 or IL-1R-associated kinase 4 deficiency. Otitis media (OM) is the most common disease of childhood, and the role of innate immune molecules in this disorder remains unclear. In a murine model of OM, w...
fmea اختصار عبارت failure mode and effect analysis بوده و روشی فنی و مهندسی سیستماتیک برای شناسایی و پیشگیری از وقوع خطاها و ریسکهای بالقوه و بالفعل در سیستمها طراحی محصول و فرآیندهای تولید محصول و ارائه خدمات می باشد. تجزیه و تحلیل عوامل شکست در فرآیندهای تولید pfmea یکی از انواع fmea بوده و معمولا با انجام یافتن چند مرحله شامل بررسی شرایط محیطی ، نیروی انسانی ، روشهای انجام کا...
The lack of safe potable water in many developing countries puts their citizens at high risk of contracting water-borne diseases. Solar water disinfection (SODIS) offers a simple, inexpensive method of sanitizing water by utilizing the ultraviolet-A radiation (UV-A) from sunlight to generate highly reactive, bacteriocidal forms of oxygen known as reactive oxygen species (ROS). However, previous...
An important determinant of disease following Streptococcus pneumoniae (pneumococcus) lung infection is pulmonary inflammation mediated by polymorphonuclear leukocytes (PMNs). We found that upon intratracheal challenge of mice, recruitment of PMNs into the lungs within the first 3 hours coincided with decreased pulmonary pneumococci, whereas large numbers of pulmonary PMNs beyond 12 hours corre...
Cultured skin substitutes consisting of implantable collagen (COL) and cultured human skin cells often fail clinically from destruction by microbial contamination. Hypothetically, addition of selected antimicrobial drugs to the implant may control microbial contamination and increase healing of skin wounds with these materials. As a model for drug delivery, bovine skin COL (1 mg/ml) and amikaci...
BACKGROUND Blood cultures, and molecular diagnostic tests that directly detect pathogen DNA in blood, fail to detect bloodstream infections in most infected patients. Thus, there is a need for a rapid test that can diagnose the presence of infection to triage patients, guide therapy, and decrease the incidence of sepsis. METHODS An Enzyme-Linked Lectin-Sorbent Assay (ELLecSA) that uses magnet...
P HAGOCYTIC CELLS and natural killer (NK) cells are among the effector cell types of innate resistance that represent a first line of defense against infections or foreign pathogens. During the early inflammatory response to an infection, regulatory interactions between these cell types take place, mostly mediated by cytokines that regulate activation and migration of phagocytic cells and NK ce...
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