نتایج جستجو برای: biotinylated
تعداد نتایج: 3605 فیلتر نتایج به سال:
Background and purpose: Enteropathogenic Escherichia coli from Enterobacteriaceae family is one of the most common causes of chronic diarrhea in children and infants. Polymerase Chain Reaction (PCR) method is commonly used for detection of enteropathogenic Escherichia coli species, but there are some disadvantages with this method due to the use of gel electrophoresis and staining with ethidium...
Objective: Klebsiella Pneumoniae is one of the most important infection bacteria of the Enterobacteriaceae family. It is also the second factor of hospital bacteremia due to the gram negative bacteria after Escherichia coli. In this research, this bacteria with the private 16SrDNA gene, was identified through PCR-ELISA technique. Materials and Methods: In this method the dNTP labeled with Digox...
background: the development and progression of human tumors is accompanied by various cellular biochemical and genetic alterations. these events include tumor cells interaction with extracellular matrix molecules including hyaluronan and hyaluronan binding protein (ha-habp). hyaluronan is a large polysaccharide associated with pericellular matrix of proliferating, migrating cells, regulation of...
Avidin is a glycoprotein from hen egg white that binds biotin with very high affinity. Here we describe OXavidin, a product containing aldehyde groups, obtained by ligand-assisted sugar oxidation of avidin by sodium periodate. OXavidin chemically reacts with cellular and tissue proteins through Schiff's base formation thus residing in tissues for weeks while preserving the biotin binding capaci...
The thixotropic-like properties of saline/glycerol drops, containing biotinylated capture antibodies, on streptavidin-coated glass slides have been investigated, along with their implications for bacterial detection in a fluorescent microarray immunoassay. The thixotropic-like nature of 60:40 saline-glycerol semisolid droplets (with differing amounts of antibodies) was observed when bacteria we...
A simple reproducible protocol for detecting multiple copy human genes and viral DNA in routine formalin fixed paraffin embedded tonsil and brain, by in situ hybridisation with biotinylated probes, is described. The protocol consists of digestion of formalin fixed paraffin sections, with 0.4% pepsin in 0.01 M hydrochloric acid for one hour at 37 degrees C, followed by hybridisation with biotiny...
Centriole stability and distribution during the mammalian cell cycle was studied by microinjecting biotinylated tubulin into early G1 cells and analyzing the pattern of incorporation into centrioles. Cells were extracted and cold treated to depolymerize labile microtubules, allowing the fluorescent microscopic visualization of the stable centrioles. The ability to detect single centrioles was c...
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