نتایج جستجو برای: direct sample pcr
تعداد نتایج: 971582 فیلتر نتایج به سال:
The COVID-19 pandemic has brought an unprecedented crisis to the global health sector. When discharging patients in accordance with throat or nasal swab protocols using RT-PCR, potential risk of reintroducing infection source humans and environment must be resolved. Here, 14 including 10 subjects were recruited; exhaled breath condensate (EBC), air samples surface swabs collected analyzed for S...
BACKGROUND Toxoplasma gondii is an intracellular parasite, which infects one-third population of world. Humans and animals acquire infection by ingesting oocytes from feces of cats or by meat of other animals having cysts that may lead to congenital, ocular or cephalic toxoplasmosis. Either it is important to detect T. gondii from meat of food animals from retail shops or directly at slaughterh...
Backgroun and Aim: Differential diagnosis of Entamoeba histolytica and Entamoeba dispar is important in clinical and epidemiological studies. The two organisms are morphologically identical but they differ in their genetics, biochemistry, and pathogenicity. The present study was carried out with the aim of distinguishing the two species and determining the prevalence of each organism in the rur...
Background and purpose: Golestan Province is one of the endemic foci of cutaneous leishmaniasis (CL). This study aimed at assessing specific-PCR on Giemsa's stained slides for diagnosis of CL as well as detecting the species of Leishmania parasite in the patients referring to health center laboratory of Gonbad-e-Qabus. Materials and methods: This cross-sectional study was carried out in 2010. ...
ABSTRACT Pseudomonas species that produce 2,4-diacetylphloroglucinol (2,4-DAPG) play a significant role in the suppression of fungal root pathogens in the rhizosphere of crop plants. To characterize the abundance and diversity of these functionally important bacterial populations, we developed a rapid polymerase chain reaction (PCR)-based assay targeting phlD, an essential gene in the phloroglu...
BACKGROUND Lung cancer is one of the most common causes of death worldwide. Although smoking and environmental pollutants are the most important risk factors of lung cancer, the role of infectious causes should also be considered in the pathogenesis and progress of lung cancer. OBJECTIVES This study examined the relationship between Helicobacter pylori and lung cancer through serology, real-t...
Pneumocystis carinii pneumonia (PCP) can be diagnosed by direct microscopic examination of induced sputum or by bronchoalveolar lavage (BAL). However, many institutions have little diagnostic success with induced sputum, and BAL is invasive and expensive. This prospective, blinded study assessed oral washes as a more convenient specimen than either sputum or BAL fluid and used a dissociation-en...
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