نتایج جستجو برای: diagnostic serological assays

تعداد نتایج: 415011  

Hossein Nahrevanian, Mahin Farahmand,

Visceral leishmaniasis (VL) is a zoonotic disease caused by leishmania species. Dogs are considered to be the main reservoir of VL. A number of methods and antigen-based assays are used for the diagnosis of leishmaniasis. However, currently available methods are mainly based on direct examination of tissues for the presence of parasites, which is highly invasive. A variety of serological tests ...

Journal: :Revista da Sociedade Brasileira de Medicina Tropical 2014
Marize Quinhones Pires Maria de Fátima Madeira Vânia Rita Elias Pinheiro Bittencourt Raquel da Silva Pacheco

INTRODUCTION During a diagnostic evaluation of canine visceral leishmaniasis (VL), two of seventeen dogs were found to be co-infected by Leishmania (Viannia) braziliensis and Leishmania (Leishmania) chagasi. METHODS Specific polymerase chain reaction (PCR) and restriction fragment length polymorphism-PCR (RFLP-PCR) assays were performed. RESULTS PCR assays for Leishmania subgenus identifica...

Journal: :International Journal of Medical Sciences 2005
Erwin Sablon Fred Shapiro

Serological markers are key elements in diagnosing acute hepatitis B virus (HBV) infection and determining its possible evolution towards chronicity. Once treatment of chronic HBV is initiated with approved anti-hepadnaviral agents, such as lamivudine, interferon-alpha, or adefovir dipivoxil, the measurement of HBV DNA in serum can not only help monitor treatment efficacy but also indicates bre...

Journal: :Cold Spring Harbor Perspectives in Medicine 2015

Journal: :Frontiers in Immunology 2021

Patients with chronic inflammatory diseases are often treated immunosuppressants and therefore of particular concern during the SARS-CoV-2 pandemic. Serological tests will improve our understanding infection immunity in this population, unless they give false positive results. The aim study was to evaluate specificity SARS-Cov-2 serological assays using samples from patients collected prior Apr...

Journal: :iranian journal of public health 0
a vatankhah m assmar ma shokrgozar sa taghavi hoseini ar esmaeili rastaghi

early diagnosis of human hydatid disease by detecting the specific antibodies in patients’ sera is considered as an important step in treatment of infection. but the diagnostic efficiencies of assays greatly depend on the characteristics of antigen that is used and various conditions in performance. in present study, we tried to standardize an indirect haemagglutination test, using antigen b fo...

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