Search results for: Human IgG Human ELISA Kit
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Immunoglobulin subclass in experimental murine Toxocara cati infection.The aim of this study was to detect specific immunoglobulin (Ig) that could be used to determine monoclonal antibody in conjugate-making an effort for the indirect enzyme-linked immunosorbent assay (ELISA) diagnostic kit of toxocariasis in human.
Infection diseases: Heli Infection diseases: Heli Liver cancer tissue array Liver tissue cancer tissu Hepatocellular carcinoma Interleukin-34 IL34 (N-t Interleukin-34 IL34 anti Sterile filtered goat se Sterile filtered goat se Sterile filtered mouse s Sterile filtered rat ser ING1B antisense
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Evaluation of a genus-specific ELISA and a commercial Aspergillus Western blot IgG® immunoblot kit for the diagnosis of aspergillosis in common bottlenose dolphins (Tursiops truncatus).Aspergillosis is a fungal infection with high mortality and morbidity rates. As in humans, its definitive diagnosis is difficult in animals, and thus new laboratory tools are required to overcome the diagnostic limitations due to low specificity and lack of standardization. In this study of common bottlenose dolphins (Tursiops truncatus), we evaluated the diagnostic performance of a new commercial immunoblot kit that had been initially developed for the serologic diagnosis of chronic aspergillosis in humans. Using this in a quantitative approach, we first established its positive cutoff within an observation cohort of 32 serum samples from dolphins with "proven" or "probable" diagnosis of aspergillosis and 55 negative controls. A novel enzyme-linked immunosorbent assay (ELISA) test was also developed for detecting anti-Aspergillus antibodies, and results were compared between the two assays. Overall, the diagnostic performance of immunoblot and ELISA were strongly correlated (P < .0001). The former showed lower sensitivity (65.6% versus 90.6%), but higher specificity (92.7% vs. 69.1%), with no cross-reaction with other fungal infections caused by miscellaneous non-Aspergillus genera. When assessing their use in a validation cohort, the immunoblot kit and the ELISA enabled positive diagnosis before mycological cultures in 42.9% and 33.3% subjects addressed for suspicion of aspergillosis, respectively. There was also significant impact of antifungal treatment on the results of the two tests (P < .05). In all, these new serological methods show promise in aiding in the diagnosis of aspergillosis in dolphins, and illustrate the opportunity to adapt commercial reagents directed for human diagnostics to detect similar changes in other animals.
1597 related Products with: Evaluation of a genus-specific ELISA and a commercial Aspergillus Western blot IgG® immunoblot kit for the diagnosis of aspergillosis in common bottlenose dolphins (Tursiops truncatus).Rat Visceral adipose spec Mouse anti-ovalbumin spec Goat anti-ovalbumin speci ELMGCI Mouse IgG anti chi ELMGBI Mouse IgG anti bov ELMGPI Mouse IgG anti por ELMGHI Mouse IgG anti hum ELMGMsI Mouse IgG anti mo ELRGCI Rat IgG anti chick ELRGBI Rat IgG anti bovin ELRGPI Rat IgG anti porci ELRGRI Rat IgG anti rat t
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Seroprevalence of toxoplasmosis and risk factors of Toxoplasma gondii infection among pregnant women in Sri Lanka: a cross sectional study.Toxoplasma gondii is an intracellular protozoan infecting humans and animals. Infection in adults usually causes mild disease but greater importance lies in preventing transplacental transmission which can cause major foetal anomalies and is vital to identify infection in pregnancy. Research on this regard in Sri Lanka is scarce and would be beneficial in developing antenatal care strategies for improved foetal outcome.
2104 related Products with: Seroprevalence of toxoplasmosis and risk factors of Toxoplasma gondii infection among pregnant women in Sri Lanka: a cross sectional study.Toxoplasma gondii GRA8, r Toxoplasma gondii MIC 3 r Toxoplasma gondii P24 (GR Toxoplasma gondii P29 (GR Toxoplasma gondii P30 (SA Liver cancer tissue array Liver tissue cancer tissu Hepatocellular carcinoma Toxoplasma gondii SAG1 an Interleukin-34 IL34 (N-t Interleukin-34 IL34 anti ING1B antisense
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A Lateral Flow Rapid Test for Human Toxocariasis Developed Using Three Toxocara canis Recombinant Antigens.Laboratory diagnosis of toxocariasis is still a challenge especially in developing endemic countries with polyparasitism. In this study, three Toxocara canis recombinant antigens, rTES-26, rTES-30, and rTES-120, were expressed and used to prepare lateral flow immunoglobulin G4 (IgG4) dipsticks. The concordance of the results of the rapid test (comprising three dipsticks) with a commercial IgG-enzyme-linked immunosorbent assay (ELISA) (Cypress Diagnostics, Belgium) was compared against the concordance of two other commercial IgG-ELISA kits (Bordier, Switzerland and NovaTec, Germany) with the Cypress kit. Using Toxocara-positive samples, the concordance of the dipstick dotted with rTES-26, rTES-30, and rTES-120 was 41.4% (12/29), 51.7% (15/29), and 72.4% (21/29), respectively. When positivity with any dipstick was considered as an overall positive rapid test result, the concordance with the Cypress kit was 93% (27/29). Meanwhile, when compared with the results of the Cypress kit, the concordance of IgG-ELISA from NovaTec and Bordier was 100% (29/29) and 89.7% (26/29), respectively. Specific IgG4 has been recognized as a marker of active infection for several helminthic diseases; therefore, the two non-concordant results of the rapid test when compared with the NovaTec IgG-ELISA kit may be from samples of people with non-active infection. All the three dipsticks showed 100% (50/50) concordance with the Cypress kit when tested with serum from individuals who were healthy and with other infections. In conclusion, the lateral flow rapid test is potentially a good, fast, and easy test for toxocariasis. Next, further validation studies and development of a test with the three antigens in one dipstick will be performed.
1467 related Products with: A Lateral Flow Rapid Test for Human Toxocariasis Developed Using Three Toxocara canis Recombinant Antigens.Bone Morphogenetic Protei Growth Differentiation Fa LATERAL FLOW ASSAY EZ PAN MOUSE ANTI HUMAN CD19 RPE Rapid Microplate Assay K Recombinant Viral Antige Recombinant Viral antige Recombinant Viral antige Recombinant Viral antige Recombinant Viral antige Recombinant Viral antige Recombinant Viral antige
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Sero-detection of Toxocara canis infection in human with T.canis recombinant arginine kinase, cathepsin L-1 and TES-26 antigens.Three recombinant antigens viz. arginine kinase, cathepsin L-1 and TES-26 of Toxocara canis were expressed in Escherichia coli and evaluated for their potential in the detection of T. canis larval infection in human in immunoglobulin G-enzyme linked immunosorbent assay (IgG-ELISA). Results of the IgG-ELISA with the above recombinant antigens were confirmed with commercially available IgG detection kit for T. canis infection used as a standard test. All three recombinant antigens were 100% sensitive in the detection of positive cases (n = 6) of T. canis infection in human and were screened for their cross-reactivity in human patients with history of Toxoplasma gondii, Plasmodium vivax, Entamoeba histolytica, hydatid and hookworm infections. The recombinant TES-26 antigen showed higher specificity and cross-reacted with T. gondii infection sera only. However, arginine kinase and cathepsin L-1 recombinant antigens showed cross-reactions with sera of patients infected with T. gondii, P. vivax and E. histolytica but not with the patient sera infected with hydatid and hookworm. These results show that recombinant TES-26 is a potential diagnostic candidate antigen for human toxocarosis caused by migrating T. canis larvae.
1647 related Products with: Sero-detection of Toxocara canis infection in human with T.canis recombinant arginine kinase, cathepsin L-1 and TES-26 antigens.Recombinant Viral antige Cathepsin L, human recomb Macrophage Colony Stimula Recombinant Human Interfe Recombinant Human Interfe Recombinant Human Interfe Recombinant Human Interfe Recombinant Human Interle Recombinant Human Interle Recombinant Human Interle Recombinant Human Interle Recombinant Human Interle
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Micro-bead injection spectroscopy for label-free automated determination of immunoglobulin G in human serum.Immunoglobulin G (IgG) represents the major fraction of antibodies in healthy adult human serum, and deviations from physiological levels are a generic marker of disease corresponding to different pathologies. Therefore, screening methods for IgG evaluation are a valuable aid to diagnostics. The present work proposes a rapid, automatic, and miniaturized method based on UV-vis micro-bead injection spectroscopy (μ-BIS) for the real-time determination of human serum IgG with label-free detection. Relying on attachment of IgG in rec-protein G immobilized in Sepharose 4B, a bioaffinity column is automatically assembled, where IgG is selectively retained and determined by on-column optical density measurement. A "dilution-and-shoot" approach (50 to 200 times) was implemented without further sample treatment because interferences were flushed out of the column upon sample loading, with minimization of carryover and cross-contamination by automatically discarding the sorbent (0.2 mg) after each determination. No interference from human serum albumin at 60 mg mL-1 in undiluted sample was found. The method allowed IgG determination in the range 100-300 μg mL-1 (corresponding to 5.0-60 mg mL-1 in undiluted samples), with a detection limit of 33 μg mL-1 (1.7 mg mL-1 for samples, dilution factor of 50). RSD values were < 9.4 and < 11.7%, for intra and inter-assay precision, respectively, while recovery values for human serum spiked with IgG at high pathological levels were 97.8-101.4%. Comparison to commercial ELISA kit showed no significant difference for tested samples (n = 8). Moreover, time-to-result decreased from several hours to < 5 min and analysis cost decreased 10 times, showing the potential of the proposed approach as a point-of-care method. Graphical abstract Micro-Bead Injection Spectroscopy method for real time, automated and label-free determination of total serum human Immunoglobulin G (IgG). The method was designed for Lab-on-Valve (LOV) platforms using a miniaturised protein G bioaffinity separative approach. IgG are separated from serum matrix components upon quantification with low non-specific binding in less than 5 min.
2511 related Products with: Micro-bead injection spectroscopy for label-free automated determination of immunoglobulin G in human serum.Sterile filtered goat se Sterile filtered goat se Anti AGO2 Human, Monoclon Anti AGO2 Human, Monoclon Growth Differentiation Fa Human Serum Albumin antib Human Insulin-like Growth Human Epstein-Barr Virus Human Gro g Macrophage In Human Insulin-like Growth Human Interferon-gamma IF Goat Anti-Human Synaptota
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High anti-human cytomegalovirus antibody levels are associated with the progression of essential hypertension and target organ damage in Han Chinese population.Human cytomegalovirus (CMV) infection is associated with hypertension and has been linked with the pathogenesis of increased arterial blood pressure (BP). Currently, whether CMV infection is associated with the progression of hypertension and hypertensive target organ damage (TOD) remains to be identified. We aimed to examine the relationship between CMV infection and the progression of hypertension and hypertensive TOD, which could provide clues on the possible mediating mechanisms, in the Han Chinese population. A total of 372 patients with hypertension and 191 healthy controls (Han participants from Xinjiang, China) were included in the study. Enzyme-linked immunosorbent assay (ELISA) and qPCR were used to detect CMV infection. C-reactive protein (CRP), tumor necrosis factor-α (TNF-α), and interleukin-6 (IL-6) titers were also analyzed using an ELISA kit. Moreover, cardiovascular disease markers were evaluated by echocardiography, carotid ultrasonography, and tomographic scans. Essential hypertension (EH) patients exhibited a marked increase in CMV IgG antibody, CRP, TNF-α, and IL-6 levels. Higher grade of hypertension and hypertensive TOD had higher CMV IgG antibody and CRP levels. The CMV IgG antibody titers were positively correlated with arterial BP, greater grade of hypertension and hypertensive TOD, and CRP and IL-6 levels. The higher quartile of CMV IgG titer and CRP level were associated with the incidence of hypertension and the progression of hypertension and hypertensive TOD. In the Han Chinese population, high CMV IgG titers are associated with the progression of hypertension and hypertensive TOD. CMV IgG titer >4.25 U could be an independent predictor of hypertension and progression of hypertension, while that >4.85 U could be an independent risk factor for hypertensive TOD. The underlying mechanism may be largely mediated by chronic inflammation.
1281 related Products with: High anti-human cytomegalovirus antibody levels are associated with the progression of essential hypertension and target organ damage in Han Chinese population.FDA Standard Frozen Tissu FDA Standard Frozen Tissu Anti AGO2 Human, Monoclon Anti AGO2 Human, Monoclon Goat Anti-Human, Mouse AR Anti Galectin(Gal 3) Huma Anti beta3 AR Human, Poly Angiogenesis (Human) Anti Angiogenesis (Human) Anti Apoptosis (Human) Antibod Cytokine (Human) Antibody Cytokine (Human) Antibody
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Prevalence of IgG antibodies for the West Nile virus in human population in Tripoli, Libya.West Nile fever (WNF) is a mosquito-borne viral infection, circulated in natural cycles between birds and mosquitoes, particularly Culex species. It is transmitted to humans through mosquito bites, and causes a variety of clinical outcomes, ranging from asymptomatic or mild febrile illness to severe men in go encepha- litis with some fatalities observed in older or immunocompromised patients. West Nile virus (WNV) transmission is considerably influenced by environmental conditions; and abundance of avifauna and mosquitoes.There are very few reports on WNV exposure in individuals from Tripoli City in Libya. The main objective was to provide basic epidemiological information about the WNV seroprevalence in the human population of Tripoli.
2115 related Products with: Prevalence of IgG antibodies for the West Nile virus in human population in Tripoli, Libya.Proteins and Antibodies H HIV1 integrase antibody, Human Epstein-Barr Virus 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, (
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Validation of a membrane touch biosensor for the qualitative detection of IgG class antibodies to herpes simplex virus type 2.A novel type of biosensor was assessed for application to the qualitative determination of circulating antibodies to herpes simplex virus type 2 (HSV-2). The device utilises a high activity HSV-2 type specific gG2 antigen for antibody capture and commercially available ELISA reagents. The study compares the diagnostic performance of a prototype HSV-2 biochip to well-established in vitro tests routinely applied in clinical procedures. A panel of human serum samples (n = 60) previously characterised for HSV-2 serological status using the DiaSorin LIAISON® HSV-2 chemiluminescent immunoassay were assayed on the HSV-2 biochip and the Focus Diagnostics HerpeSelect® 2 ELISA IgG kit to determine concordance with the predicate test method. Sensitivity and specificity of the HSV-2 biochip were found comparable to both the DiaSorin and Focus test methods. Sample index values calculated from the immunoassay response of the biochip's coulometric sensors indicated a high degree of linear correlation of the dataset with the corresponding index values from the DiaSorin LIAISON® test (r2 0.8799) and Focus HerpeSelect® test (r2 0.8794). The HSV-2 biochip demonstrated excellent diagnostic performance in qualitative and semi-quantitative measurements, matching closely the performance of two diagnostic industry standard predicate methods.
2135 related Products with: Validation of a membrane touch biosensor for the qualitative detection of IgG class antibodies to herpes simplex virus type 2.Goat Anti-Herpes Simplex Goat Anti-Herpes Simplex Goat Anti-Herpes Simplex Goat Anti-Herpes Simplex Mouse Anti-Herpes Simplex Mouse Anti-Feline Herpes MOUSE ANTI CANINE DISTEMP MOUSE ANTI BOVINE ROTAVIR Viral antibodies, anti-R Measles Virus Nucleoprote Shiga Toxin 1 antibody, M Shiga Toxin 2 antibody, M
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Comparison of Flow-cytometric Antibody Secreting Cell Assay and Mabtech Immunoglobulin ELISpot Assay.The increase of donor-specific antibodies (DSA) after transplantation could be a more important marker than the level of DSA in pre-transplantation sera. The assessment of sensitized cells that can secrete DSA is needed. We developed an assay for antibody-secreting cells (ASCs) measured with the use of flow cytometry and compared it with the Mabtech immunoglobulin (IgG) ELISpot assay.
1096 related Products with: Comparison of Flow-cytometric Antibody Secreting Cell Assay and Mabtech Immunoglobulin ELISpot Assay.Cell Meter™ JC 10 Mitoc Cell Meter™ NIR Mitocho Cell Meter™ Mitochondri Cell Meter™ Intracellul Cell Meter™ Generic Flu Cell Meter™ Generic Flu Cell Meter™ Fluorometri Cell Meter™ Annexin V B Cell Meter™ Annexin V B Cell Meter™ Annexin V B Cell Meter™ Annexin V B Cell Meter™ Phosphatidy
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