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Blood donor safety, prevalence and associated factors for cytomegalovirus infection among blood donors in Minna-Nigeria, 2014.

human cytomegalovirus (CMV) has remained a cause of morbidity and mortality in pregnancy and immunocompromised patients. CMV is transmissible through blood transfusion. We conducted a descriptive, cross-sectional study to assess blood donor safety and to determine the prevalence and associated factors for CMV infection among blood donors in Minna, Nigeria.

2919 related Products with: Blood donor safety, prevalence and associated factors for cytomegalovirus infection among blood donors in Minna-Nigeria, 2014.

C Peptide ELISA Kit, Rat Anti beta3 AR Human, Poly FDA Standard Frozen Tissu FDA Standard Frozen Tissu FDA Standard Frozen Tissu FDA Standard Frozen Tissu FDA Standard Frozen Tissu FDA Standard Frozen Tissu Single Donor Human Whole REASTAIN® Quick Diff Kit anti A1, A2 human blood a anti A1, A2, A3 human blo

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Development of an indirect ELISA based on whole cell Brucella abortus S99 lysates for detection of IgM anti-Brucella antibodies in human serum.

Brucellosis is the most common zoonotic diseases worldwide. The aim of this study was to develop and evaluate the diagnostic performance of an indirect-ELISA (I-ELISA) method based on whole cell Brucella abortus S99 lysates for detection of IgM anti-Brucella antibodies in a human serum.

2390 related Products with: Development of an indirect ELISA based on whole cell Brucella abortus S99 lysates for detection of IgM anti-Brucella antibodies in human serum.

Goat Anti-Human Synaptogy Goat Anti-Human Synaptota Goat Anti-Human STK39 SPA Goat Anti-Human SPHK1, (i Goat Anti-Human SODD, (in Goat Anti-Human SIGLEC8, Goat Anti-Human SH2D4A, ( Goat Anti-Human SEPT7, (i Goat Anti-Human SEPT6, (i Goat Anti-Human S100A9, ( Goat Anti-Human RABIF, (i Goat Anti-Human PXR NR1I2

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Retrospective Analysis of Serology Results from Adnan Menderes University Faculty of Medicine Parasitology Laboratory from 2007 to 2017

is a common apicomplexan parasite of humans and can cause significant morbidity and mortality due to congenital transmission and in patients with immune deficiency. The aim of this study was to evaluate serology results of 11 years and to determine compatibility of serologic diagnosis methods.

1318 related Products with: Retrospective Analysis of Serology Results from Adnan Menderes University Faculty of Medicine Parasitology Laboratory from 2007 to 2017

Analysis Tool for AAM-BLG Analysis Tool for AAM-BLM Analysis Tool for AAM-ISO Analysis Tool for AAR-BLG Analysis Tool for AAR-BLM Analysis Tool for Custom Analysis Tool for Custom Ofloxacin CAS Number [824 Analysis Tool for AAH-ADI Analysis Tool for AAH-ADI Analysis Tool for AAH-AKI Analysis Tool for AAH-AKI

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Comparative Serological Study for the Prevalence of Anti-MERS Coronavirus Antibodies in High- and Low-Risk Groups in Qatar.

Infection with Middle East respiratory syndrome coronavirus (MERS-CoV) could be asymptomatic or cause mild influenza-like illness. Therefore, the prevalence of MERS-CoV infections in the general population could be underestimated, which necessitates active surveillance to determine the epidemiological importance of asymptomatic cases. The aim of this study is to evaluate the performance of various serological assays and to estimate the seroprevalence of anti-MERS-CoV antibodies in high- and low-risk groups in Qatar. A total of 4858 samples were screened, including 4719 samples collected from healthy blood donors (BD) over a period of five years (2012-2016), 135 samples from baseline case contacts (CC) collected from individuals in close contact with three positive PCR-confirmed patients (CP), and four samples from MERS-CoV CP. Initial screening using anti-MERS-CoV IgG (IgG rS1-ELISA kit) revealed ten reactive samples from BD (10/4719, 0.21%), one from CC (1/135, 0.74%), and three from CP (3/4, 75%). Samples from CP but not from BD were also reactive by whole-virus anti-MERS-CoV IgG ( = 3/4) and IgM ( = 1/4) indirect immunefluorescent tests (IIFT) and pseudoparticle neutralization test (ppNT). The reactive sample from CC was also confirmed by ppNT. Surprisingly, one out of thirteen (7.7%) randomly selected IgG rS1-ELISA-negative BD samples from the initial screening was reactive by the IgM-IIFT (but not by the IgG-IIFT) and was subsequently confirmed by ppNT. All IgG rS1-ELISA-reactive samples from BD exhibited considerable reactivity to the four circulating human coronaviruses (HKU1, OC43, 229E, and NL63). Cross-reactivity with SARS was only reported for samples from CP using IgG and IgM-IIFT. In conclusion, we report a low prevalence of anti-MERS antibodies in the general population, which coincides with the low number of all reported cases by the time of our study (2017) in Qatar ( = 21). The false-positive results and the observed cross-reactivity between MERS-CoV and other circulating human coronavirus necessitate more detailed evaluation of available serological assays.

2132 related Products with: Comparative Serological Study for the Prevalence of Anti-MERS Coronavirus Antibodies in High- and Low-Risk Groups in Qatar.

Goat Anti- TRPM8, (intern Goat Anti- TFAP2D, (inter Goat Anti- T1R3, (interna Goat Anti-Human Synaptota Goat Anti-Human STK39 SPA Goat Anti-Human SPHK1, (i Goat Anti-Human SODD, (in Goat Anti-Human SIGLEC8, Goat Anti-Human SH2D4A, ( Goat Anti-Human SEPT7, (i Goat Anti-Human SEPT6, (i Goat Anti-Mouse SAR1, (in

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Performance of Commercially Available Serological Screening Tests for Human T-Cell Lymphotropic Virus Infection in Brazil.

Serological screening for human T-cell lymphotropic virus type 1 (HTLV-1) is usually performed using enzyme-linked immunosorbent assay (ELISA), particle agglutination, or chemiluminescence assay kits. Due to an antigen matrix improvement entailing the use of new HTLV antigens and changes in the format of HTLV screening tests, as well as newly introduced chemiluminescence assays (CLIAs), a systematic evaluation of the accuracy of currently available commercial tests is warranted. We aimed to assess the performance of commercially available screening tests for HTLV infection diagnosis. A diagnostic accuracy study was conducted on a panel of 397 plasma samples: 200 HTLV-negative plasma samples, 170 HTLV-positive plasma samples, and 27 plasma samples indeterminate by Western blotting (WB). WB-indeterminate samples (i.e., those yielding no specific bands for HTLV-1 and/or HTLV-2) were assessed by PCR, and the results were used to compare agreement among the commercially available ELISA screening tests. For performance analysis, WB-indeterminate samples were excluded, resulting in a final study panel of 370 samples. Three ELISA kits (Murex HTLV-1/2 [Murex], anti-HTLV-1/2 SYM Solution [SYM Solution], and Gold ELISA HTLV-1/2 [Gold ELISA]) and one CLIA kit (Architect rHTLV-1/2) were evaluated. All screening tests demonstrated 100% sensitivity. Concerning the HTLV-negative samples, the SYM Solution and Gold ELISA kits had specificity values of >99.5%, while the Architect rHTLV-1/2 test presented 98.1% specificity, followed by Murex, which had a specificity of 92.0%. Regarding the 27 samples with WB-indeterminate results, after PCR confirmation, all ELISA kits showed 100% sensitivity but low specificity. Accuracy findings were corroborated by the use of Cohen's kappa value, which evidenced slight and fair agreement between PCR analysis and ELISAs for HTLV infection diagnosis. Based on the data, we believe that all evaluated tests can be safely used for HTLV infection screening.

2630 related Products with: Performance of Commercially Available Serological Screening Tests for Human T-Cell Lymphotropic Virus Infection in Brazil.

CELLKINES Natural Human I Human Epstein-Barr Virus Macrophage Colony Stimula Macrophage Colony Stimula Recombinant Human T-cell Recombinant Human T-cell Recombinant Human T-cell Beta Amyloid (42) ELISA K Beta Amyloid (1 40) ELISA Beta Amyloid (40) ELISA K Glucagon ELISA KIT, Rat G Leptin ELISA Kit, Rat Lep

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Comparison of enzyme-linked immunosorbent assay with indirect immunofluorescence assay for the diagnosis of Mycoplasma pneumoniae infection.

The study aimed to compare enzyme-linked immunosorbent assay (ELISA) with indirect immunofluorescence assay (IFA) in the diagnosis of Mycoplasma pneumoniae infection.

1833 related Products with: Comparison of enzyme-linked immunosorbent assay with indirect immunofluorescence assay for the diagnosis of Mycoplasma pneumoniae infection.

Alkaline Phospatase (ALP) Glucose Assay With the La Cultrex In Vitro Angiogen Endothelial Tube Formatio QuantiChrom™ Formaldehy QuantiChrom™ Formaldehy Formate Assay Kit MarkerGeneTM Fluorescent 2',7' Dichlorofluorescein Sulforhodamine 101, Red f Rhodamine 110, Red fluoro MarkerGene™ LysoLive™

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Eu /Sm dual-label time-resolved fluoroimmunoassay for measurement of hepatitis C virus antibodies.

To develop a new immunoassay based on the time-resolved fluorescence immunoassay (TRFIA) system for the simultaneous measurement of IgM and IgG antibodies to HCV.

1748 related Products with: Eu /Sm dual-label time-resolved fluoroimmunoassay for measurement of hepatitis C virus antibodies.

Hepatitis C Virus antibod HbcAg - Hepatitis B Viru HbcAg - Hepatitis B Viru HbcAg - Hepatitis B Viru Measles Virus Nucleoprote Hepatitis B Virus antibod Hepatitis B Virus antibod Hepatitis C Virus antibod Hepatitis C Virus antibod Hepatitis C Virus antibod Hepatitis C Virus antibod Hepatitis C Virus antibod

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Discovery of new Toxoplasma gondii antigenic proteins using a high throughput protein microarray approach screening sera of murine model infected orally with oocysts and tissue cysts.

Toxoplasma gondii is an obligate intracellular protozoan parasite that causes congenital toxoplasmosis, as well as other serious clinical presentations in immune compromised humans. The parasite has also been recently linked to behavioral diseases in humans and other mammalian hosts. New antigens are being evaluated to develop a diagnostic kit for the diagnosis of acute infection or a protective vaccine.

1149 related Products with: Discovery of new Toxoplasma gondii antigenic proteins using a high throughput protein microarray approach screening sera of murine model infected orally with oocysts and tissue cysts.

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Evaluation of an immunochromatography rapid diagnosis kit for detection of chikungunya virus antigen in India, a dengue-endemic country.

Chikungunya virus (CHIKV) and dengue virus (DENV) are arboviruses that share the same Aedes mosquito vector, and there is much overlap in endemic areas. In India, co-infection with both viruses is often reported. Clinical manifestations of Chikungunya fever is often confused with dengue fever because clinical symptoms of both infections are similar. It is, therefore, difficult to differentiate from those of other febrile illnesses, especially dengue fever. We previously developed a CHIKV antigen detection immunochromatography (IC) rapid diagnosis kit [1]. The current study examined the efficacy of previously mentioned IC kit in India, a dengue-endemic country.

2650 related Products with: Evaluation of an immunochromatography rapid diagnosis kit for detection of chikungunya virus antigen in India, a dengue-endemic country.

Recombinant Dengue Virus Recombinant Chikungunya W Recombinant Chikungunya M Recombinant Hemagglutinin Mouse AntiInfluenza B Nuc FIV Core Ag, recombinant HIV 1 intergase antigen. Recombinant Viral Antige Tick born encephalitis vi Rubella virus E1 mosaic r Rubella virus E2 recombin Rubella virus capsid (C)

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Comparison of three commercial IgG and IgM ELISA kits for the detection of tick-borne encephalitis virus antibodies.

Tick-borne encephalitis (TBE) is endemic in many parts of Europe and Asia. The diagnosis of this disease is essentially based on the demonstration of specific antibodies. For reasons of simplicity, automatization and quick availability of test results, enzyme-linked immunosorbent assays (ELISAs) are the method of choice for serological diagnosis of TBE. Here, we evaluated three commercially available anti-TBEV IgG and IgM ELISAs using 251 serum samples: the SERION ELISA classic FSME Virus/TBE Virus IgG and IgM kit (Virion\Serion), the RIDASCREEN FSME/TBE IgG and IgM kit (R-Biopharm), and the anti-FSME/TBE virus ELISA "Vienna" IgG/anti-FSME/TBE virus ELISA IgM kit (Euroimmun). In total, discrepant test results for IgG and/or IgM were observed for 37/251 (14.7 %) of tested samples; differences were statistically significant. Reference values defined by serum neutralization test (SNT, n = 25) or results provided by EQA organizers (n = 2) were established for a subset of samples. In relation to these values, false-positive results were observed mainly for Euroimmun Vienna IgG and RIDASCREEN IgG, whereas false-negative results were primarily observed for Virion\Serion IgG and RIDASCREEN IgM kits. In routine diagnostics, specificity problems are of major relevance and may be addressed by analyzing the respective samples using SNT.

1666 related Products with: Comparison of three commercial IgG and IgM ELISA kits for the detection of tick-borne encephalitis virus antibodies.

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