نتایج جستجو برای: igg
تعداد نتایج: 36309 فیلتر نتایج به سال:
Objective To assess the prevalence of dual positive NMOSD and outline its clinical phenotype. Background Neuromyelitis Optica Spectrum Disorders (NMOSD) is an autoimmune syndrome that frequently for Aquaporin 4 (AQP4) IgG or Myelin Oligodendrocyte Glycoproteins (MOG) IgG. However, positivity to both rare. Design/Methods This a retrospective cross-sectional study conducted at tertiary healthcare...
Abstract We present a wireless quartz crystal microbalance (QCM) biosensor fabricated using MEMS technology. The QCM contains 125 MHz AT-cut resonator embedded in the microchannel. Because of compact design, is suitable for mass production and device miniaturization. performed immunoglobulin G (IgG) detection measurements with different concentrations IgG. limit was 1 ng ml –1 or less, which su...
The number, location, and other characteristics of the antigenic determinants for self-association of IgG-rheumatoid factors (IgG-RF) were examined using the IgG-RF isolated from the plasma of one patient as a model system. Affinity chromatography was employed for isolation of the IgG-RF. Sedimentation equilibrium ultracentrifugation was used to study the various interactions. The antigenic val...
Antibodies are essential tools of biomedical and biochemical researches. Polyclonal antibodies are produced against different epitopes of antigens. Purified F(ab')2 can be used for animal’s immunization to produce polyclonal antibodies. Human immunoglobulin G (IgG) was purified by ion exchange chromatography method. In all stages verification method of the purified antibodies was sod...
The ultrastructural distribution pattern and site density of alpha-methyldopa immunoglobin G (alpha-MD IgG) on the red cell membrane was observed and compared with that of anti-D IgG, with ferritin-conjugated rabbit anti-human IgG and [125I]anti-D. alpha-MD IgG binds to all common types of human red cells, both Rho (D) positive and negative, to give a random, aperiodic distribution pattern gros...
Little information is available on the immunoglobulin G (IgG) subclasses expressed in the sera of nonhuman primate species. To address this issue, we compared the IgG subclasses found in humans (IgG1, IgG2, IgG3, and IgG4) to those of nonhuman primates, such as baboons and macaques. Cross-reactive antihuman IgG subtype-specific reagents were identified and used to analyze purified IgG from sera...
BACKGROUND Estimation of the quantity of colostral IgG or serum IgG absorbed following ingestion of colostrum by calves is essential for monitoring the effectiveness of colostrum feeding practices on dairy farms. Milk total solids concentrations determination is a critical part of quality assessment of nonsaleable whole milk prior to feeding to calves. To date, on-farm methods to assess colostr...
Antigen-specific IgG antibodies, passively administered to mice or humans together with large particulate antigens like erythrocytes, can completely suppress the antibody response against the antigen. This is used clinically in Rhesus prophylaxis, where administration of IgG anti-RhD prevents RhD-negative women from becoming immunized against RhD-positive fetal erythrocytes aquired transplacent...
Provision of an adequate mass of IgG from maternal colostrum is essential to health and survival of neonatal calves. Colostrum supplements (CS) have been developed to provide supplemental immunoglobulin when maternal colostrum is of poor quality. However, colostrum replacers (CR) that provide > or = 100 g of IgG have not been formulated. Our objective was to determine the absorption of IgG in n...
The subset of B lymphocytes having IgG on their surfaces was purified from human spleen and blood using a fluorescence-activated cell sorter (FACS). This subset constituted about 15% of B lymphocytes. The remaining non-IgG-bearing B cells were also obtained for study. These two populations were examined for (a) their expression of other surface immunoglobulin isotypes, (b) their ability to give...
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