摘要:
The present invention relates to a novel recombinant antibody having a binding activity to 2,3,4,7,8-pentachlorodibenzofuran (2,3,4,7,8-PeCDF), a gene encoding its amino acid sequence, a vector incorporating said gene, a transformant transformed with said vector, a process for preparing said recombinant antibody, and methods for immunologically capturing and determining 2,3,4,7,8-PeCDF using said recombinant antibody. Using the recombinant antibody according to the present invention, it is possible to capture and determine dioxins, in particular, 2,3,4,7,8-PeCDF by an immunological technique in a rapid, convenient, and highly sensitive manner.
摘要:
The object of present invention is to provide an immunoassay for dioxins which can rapidly and simply afford measured values having a good correlation with analytical values of dioxins by the official method (GC/MS method). The above object is achieved by using the monoclonal antibody of the present invention having not only a reactivity with the indicator isomer among 17 kinds of PCDDs and PCDFs each having a predetermined WHO-TEF value, but also a high cross-reactivity with several kinds of dioxin isomers having five or six chlorine atoms which contribute largely to a TEQ value, and also having a stable reactivity with the antigens in a measuring solvent.
摘要:
The present invention provides monoclonal antibodies suitable for monitoring polycyclic aromatic hydrocarbons (PAHs) by an immunoasay, hybridoma cell lines producing said antibodies, and an immunoassay for analyzing PAHs in a sample using said monoclonal antibodies. In addition, the present invention provides PAH conjugates useful as an immunogen in preparing said antibodies and as a standard substance in a competitive assay.
摘要:
A screening measurement technology enabling a prompt determination about whether or not further confirmation is required by another measuring method, for an environmental sample, such as a sample containing dioxins, is provided. A sample solution in which a known amount of antibodies are mixed, is poured into a measurement cell (101) where an antigen derivative (107) that acquires antibodies of a subject substance comprising an antigen, is arranged in a flow channel (106) for the sample solution; whether or not a measurement result is within a pre-determined range including a reference value of the subject substance is determined based upon time-series signals of the measurement result; and the measurement result is transmitted.
摘要:
The present invention relates to a novel recombinant antibody having a binding activity to 2,3,4,7,8-pentachlorodibenzofuran (2,3,4,7,8-PeCDF), a gene encoding its amino acid sequence, a vector incorporating said gene, a transformant transformed with said vector, a process for preparing said recombinant antibody, and methods for immunologically capturing and determining 2,3,4,7,8-PeCDF using said recombinant antibody. Using the recombinant antibody according to the present invention, it is possible to capture and determine dioxins, in particular, 2,3,4,7,8-PeCDF by an immunological technique in a rapid, convenient, and highly sensitive manner.
摘要:
The object of present invention is to provide an immunoassay for dioxins which can rapidly and simply afford measured values having a good correlation with analytical values of dioxins by the official method (GC/MS method). The above object is achieved by using the monoclonal antibody of the present invention having not only a reactivity with the indicator isomer among 17 kinds of PCDDs and PCDFs each having a predetermined WHO-TEF value, but also a high cross-reactivity with several kinds of dioxin isomers having five or six chlorine atoms which contribute largely to a TEQ value, and also having a stable reactivity with the antigens in a measuring solvent.
摘要:
Monoclonal antibodies having a high affinity for human calcitonin, particularly monoclonal antibodies suitable for a sandwich immunoassay are disclosed. Also disclosed are hybridomas producing said monoclonal antibodies and a sandwich immunoassay utilizing said antibodies for determining human calcitonin in blood.
摘要:
A method for preparing aminoacyl- and misaminoacyl-tRNAs utilizing a specific aminoacyl-tRNA hydrolase is provided. According to the present method, aminoacyl-tRNAs consisting of a tRNA and a corresponding amino acid, or misaminoacyl-tRNAs consisting of a tRNA and a non-corresponding amino acid or an amino acid derivative, can be prepared. In a specific embodiment, L-tyrosyl-tRNA.sup.Tyr is prepared using aminoacyl-tRNA hydrolase from Fusarium culmorum or Artemia salina. In another embodiment a misacylated tRNA, L-phenylalanyl-tRNA.sup.Tyr, is prepared using the aminoacyl-tRNA hydrolase.