نتایج جستجو برای: salmonella antibody igy and igg in egg yolk and serum respectively
تعداد نتایج: 21786645 فیلتر نتایج به سال:
background helicobacter pylori multiplies and causes infection in human gastric mucosal layer. new approaches have focused on using specific treatments, such as immunotherapy, to limit this infection. urease, as one of the most important virulent and antigenic factors of the bacterium, is a suitable target for this purpose. patients and methods in order to prepare recombinant proteins, the synt...
The development of an assay for the quantification of chicken immunoglobulin (IgY) and data evaluation is being demonstrated. An enzyme immunoassay was established to perform the quality control of IgY purifications from the egg yolk and to control IgY producing cells in vitro. Each step of the test procedure and possible alternatives were described. The assay was characterized by special test ...
Chicken egg yolk antibodies (IgY) against camel immunoglobulins were generated and their specificity was shown by double immunodiffusion, immunoelectrophoresis, and Western blotting. Anti camel antibodies specifically react to camel antibodies in immunodiffusion and immunoelectrophoresis were demonstrated. Western blotting revealed that IgY antibodies recognize the heavy chain in a number of ma...
recently it has been reported, that immunoglobulin y (igy) can be used instead of polyclonal antibodies extracted from mammals (igg) for the purpose of diagnosis and therapy. these antibodies are found to have better properties in terms of specificity and ease of large-scale production. in addition, igy binds neither to mammalian complement or fc-receptors nor does it interfere with rheumatoid ...
Although vaccination against Salmonella has been used more frequently in broiler breeders in recent years, there is limited information in the literature demonstrating the immunological response of combinations of live and killed whole cell vaccines. The present research assesses the immunological response generated by three different vaccination protocols. Treatment vaccines consisted of a liv...
abstract this study was carried out to compare disinfecting effects of nanosilver with other feed disinfectants on layer hen performance, immune system, gastrointestinal microflora and intestinal morphology. total of 90 layers (lsl) were divided into five groups consisting: 1-control, 2- formalin (200 ppm), 3- formaycin (200 ppm), 4- nanosilver in drinking water (7.5 ppm) and 5-nanosilver in f...
Chicken antibodies have been reported to be an excellent alternative to the mammalian antibodies, especially if the antigen is from mammalians. Because chicken immunoglobulin Y (IgY) does not bind to protein G, in this study a indirect method for the purification of murine immunoglobulin G (IgG) subclass specific egg yolk antibodies is described. After preincubation of the chicken egg antibodie...
Although their high potential as alternative biopharmaceuticals, less than 2% of the total polyclonal antibodies produced worldwide correspond to immunoglobulin Y (IgY) due difficulties in isolating them from egg yolk (complex biological matrix). In this work, water-soluble proteins fraction (WSPF) was first obtained and present identified by one-dimensional gel electrophoresis (SDS-PAGE) label...
Background: The use of IgYs in a variety of methods in different areas of research, diagnostics, medical application and biotechnology should be considered widely. Objectives: Development of antibodies against extra cellular domain of influenza M2 (M2e) protein in egg yolk of laying hens. Methods: A Fusion construct harboring C-terminal of bovine heat shock protein 70 (Hsp70) and influenza M2e ...
Chicken egg yolk immunoglobulin (IgY) is a superior alternative to mammalian immunoglobulin. However, the practical application of IgY in research, diagnostics, and functional food is limited due to complex or time-consuming purification procedures. The objective of this study was to develop a simple, safe, large-scale separation method for IgY from egg yolk. Egg yolk was diluted with 6-fold de...
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