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A microtiter enzyme-linked immunosorbent assay (ELISA) has been developed for the titration of antibodies against scrub typhus in human and animal sera. Scrub typhus rickettsiae were grown in monolayers of irradiated mouse LM3 cells and separated from host cell materials by differential centrifugation, filtration through a glass filter (AP-20, Millipore Corp.), and isopycnic banding in Renograf...
The present study examined whether long-term supplementation with once- and twice-weekly multiple micronutrients (MMN-1 and MMN-2) can improve Hb and micronutrient status more than twice-weekly Fe-folic acid (IFA-2) supplementation in non-anaemic adolescent girls in Bangladesh. An equal number of 324 rural schoolgirls aged 11-17 years were given MMN-1 or MMN-2 or IFA-2 supplements for 52 weeks ...
BACKGROUND Pneumocystis jirovecii (PJ), a pathogenic fungus, causes severe interstitial Pneumocystis pneumonia (PCP) among immunocompromised patients. A laboratory-developed real-time polyermase chain reaction (PCR) assay was validated for PJ detection to improve diagnosis of PCP. METHODS Forty stored bronchoalveolar lavage (BAL) samples (20 known PJ positive [PJ+] and 20 known PJ negative [P...
Comparative immunostimulatory properties of saponin and incomplete Freund's adjuvant (IFA) were studied using affinity purified 39 kDa larval antigen of Hyalomma anatolicum anatolicum. Significant antibody response to 39 kDa antigen was detected in the sera of rabbits immunized with both 39 kDa plus saponin and 39 kDa plus IFA in comparison to their corresponding control animals. Insignificant ...
سابقه و هدف: هیداتیدوزیس یکی از شایع ترین بیماری های مشترک بین انسان و دام در سراسر جهان است و فرم متاسستود اکینوکوکوس گرانولوزوس عامل این بیماری است. تشخیص کیست هیداتید با استفاده از شاخصه های بالینی مشکل است، اما روش های سرولوژیک به تعیین آنتی بادی اختصاصی بیماری کمک می کند. با توجه به شیوع و اهمیت پزشکی و اقتصادی آن، این مطالعه به منظور تعیین سرواپیدمیولوژی هیداتیدوزیس انسانی در افراد بالغ ش...
Results of a twelve-year (1987-1998) prospective study of Visceral Leishmaniasis in 103 patients admitted to the Ahari Children's Hospital Medical Center indicate that IFA (Indirect immunofluorescence antibody test) is highly specific and cheap. Finally we found that 86 patients (84%) were IFA positive and bone marrow aspiration of 34 (79%) of these patients were negative. 59 cases had positive...
Iron folic acid (IFA) supplementation is used world over for reducing the prevalence of anemia. The objective of the present investigation is to study the sustainable effect of long term weekly Iron Folic Acid supplementation along with deworming on growth and haemoglobin status of rural school children. Method: Three schools were selected for the study. One school was a control group where no ...
A conventional indirect immunofluorescence assay (IFA) and an anticomplement indirect immunofluorescence assay (ACIF) for detecting serum antibodies to Borrelia burgdorferi in humans were evaluated during a prevalence survey in northern California. Sera obtained from 119 current or former residents of an area in which Lyme disease is endemic were split and tested by the IFA in two laboratories ...
Sera from six outbreaks of legionellosis and four outbreaks of pneumonia of other etiologies were tested with the indirect immunofluorescence assay (IFA) as currently performed. The current IFA is at least as sensitive as the original test in detecting cases of Legionnaires disease (78 to 91%). By using Center for Disease Control criteria for a positive (fourfold increase in titer during conval...
A commercially available (cELISA) kit for diagnosing Anaplasma marginale infection in cattle was validated for diagnosing A ovis infection in sheep using the bovine serum controls as supplied by the manufacturer (BcELISA) and sheep serum controls from pathogen-free sheep (OcELISA). True positives were identified using two previously established assays, a nested PCR (nPCR) test and an indirect i...
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