نتایج جستجو برای: semi nested pcr
تعداد نتایج: 339140 فیلتر نتایج به سال:
چکید ه سابقه و هدف بروز عوامل عفونی جدید احتمال انتقال عفونت از طریق خون را افزایش داده و بالا بردن ایمنی خون را تهدید مینماید. علیرغم وجود روشهای جدید تشخیص هپاتیت، هنوز برخی از موارد هپاتیت ناشناخته است. در سال 1997 ویروس DNA دار جدیـدی از فـرد مبتلا به هپاتیت پس از انتقال خون( Non-A-G ) جداسازی شد که امروزه به نام TTV معروف است. این ویروس حلقوی تک رشتهای بدون پوشش و مقاوم به فرآین...
a nested polymerase chain reaction (pcr) assay with two pairs of primers was applied for the detection of m. tuberculosis complex dna in specimens of 51 patients. of these, 31 clinically diagnosed patients (group i) recruited from july 1996 to june 1997 were given antituherculous chemotherapy from one to six months with standard daily regimen (isaniazid, 5 mg/kg; rifampin, 10 mg/kg; pyrazinamit...
congenital toxoplasmosis is associated with variable complications including encephalitis, microcephaly, hydrocephaly, hepatitis, lymphadenopathy and even intrauterine death. presence of toxoplasma gondii in human placenta may induce congenital infection. the aim of this study was to determine the genotypes of toxoplasma gondii infection in human spontaneous aborted fetuses in shiraz, south of ...
This study used real-time PCR assays to screen small sample volumes for a comprehensive range of 35 respiratory pathogens. Initial thermocycling was limited to 20 cycles to avoid competition for reagents, followed by a secondary real-time multiplex PCR. Supplementary semi-nested human metapneumovirus and picornavirus PCR assays were required to complete the acute respiratory pathogen profile. P...
Malaria is a major problem in tropical and sub-tropical countries, with high morbidity and mortality. Splenectomy makes patients more susceptible to serious bacterial and parasitic infections. We report for the first time in Iran a fatal case of Plasmodium vivax malaria, confirmed by microscopic and molecular (Semi-nested multiplex PCR) tests in a patient who had undergone splenectomy due to he...
BACKGROUND Toxoplasma gondii infections are prevalent in humans and animals throughout Libya. Current diagnosis is based on detection of Toxoplasma-specific IgM and IgG. In this study, we established and optimized a diagnostic PCR assay for molecular diagnosis of T. gondii in Libya. METHODS From January to December, 2010, 177 blood and serum samples were collected from suspected patients. Thi...
Bovine tuberculosis has been tackled for decades by costly eradication programs in most developed countries, involving the laboratory testing of tissue samples from allegedly infected animals for detection of Mycobacterium tuberculosis complex (MTC) members, namely Mycobacterium bovis. Definitive diagnosis is usually achieved by bacteriological culture, which may take up to 6-12 weeks, during w...
Background and Aims: Canine distemper (CD) is a deadly infectious disease of Canidae family. CD is a multi-systemic viral disease and is specified by wide range of clinical symptoms. The manifestations are not always indicative of CD, therefore a laboratory confirmation is necessary for suspected cases. Materials and Methods: Different clinical specimens of 19 CD suspected unvaccinated dogs wer...
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