نتایج جستجو برای: single chain antibody
تعداد نتایج: 1279817 فیلتر نتایج به سال:
Control of microorganisms such as Bacillus cereus spores is critical to ensure the safety and a long shelf life of foods. A bifunctional single chain antibody has been developed for detection and binding of B. cereus T spores. The genes that encode B. cereus T spore single-chain antibody and streptavidin were connected for use in immunoassays and immobilization of the recombinant antibodies. A ...
BACKGROUND Heterophilic antibodies are a common source of interference in immunometric assays. We tested the hypothesis that the incidence of such interference could be decreased by use of a recombinant in vivo-biotinylated single-chain antibody (scFv) as the capture reagent. METHODS We established three assays for carcinoembryonic antigen (CEA) with the capture antibody either chemically bio...
Advances in the field of antibody engineering, and the emergence of powerful screening technology such as filamentous phage display allowed to generate fully human antibodies with high affinities against virtually any desired target from immune or even naIve human repertoires. As a result, the immunogenicity problems related to applications of nonhuman based recombinant antibodies as therapeuti...
after using 3 different generations of antibodies including human and non-human hyperimmune sera, monoclonal antibodies and chimeric antibodies, more recently a newer approach has been developed in which the antibody genes are cloned directly from a patient peripheral b-lymphocytes and expressed in a host like e. coli. in this study the candida albicans serotype a (nctc 3153) mannan was purifie...
The development of bispecific antibodies as therapeutic agents for human diseases has great clinical potential, but broad application has been hindered by the difficulty of identifying bispecific antibody formats that exhibit favorable pharmacokinetic properties and ease of large-scale manufacturing. Previously, the development of an antibody technology utilizing heavy chain knobs-into-holes mu...
The peptide tag GATPQDLNTML, corresponding to amino acids 46-56 of the human immunodeficiency virus type 1 (HIV-1) capsid protein p24, is the linear epitope of the murine monoclonal antibody CB4-1. This antibody shows high affinity (KD = 1.8 x 10(-8) M) to the free epitope peptide in solution. The original p24 peptide tag and mutant derivatives were fused to the C terminus of a single-chain ant...
Ribosome display was applied in vitro to select single-chain variable fragment (scFv) antibody specific for digoxin from a human non-immune naive scFv library. A cell-free system was used to produce stable antibody-ribosome-mRNA (ARM) complexes to provide the linkage of genotype and phenotype, allowing simultaneous selection of a desired antibody together with its encoding mRNA. The mRNA was th...
Recombinant immunotoxins were made by fusing the Fab domain of monoclonal antibody (MAb) B3 to PE38M, a truncated mutant form of Pseudomonas exotoxin (PE). The recombinant toxins were made in Escherichia coli by fusing genes encoding the antibody domains to a gene encoding the mutant form of PE. MAb B3 binds to a carbohydrate antigen found on many kinds of carcinomas. Immunotoxins in which MAb ...
Background: Formation of secondary structure such as DNA hairpins or loops may influence molecular genetics methods and PCR based approaches necessary for genetic engineering, in addition to gene regulation. Materials and Methods: A polymerase chain reaction with splice overlap extension (SOE-PCR) was used to create fully synthetic 1F5 chimeric anti-CD20 heavy- and light-chain genes. The chi...
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