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Title:
COLORING SENSOR USING POLYDIACETYLENE MEMBRANE
Document Type and Number:
Japanese Patent JPH11194130
Kind Code:
A
Abstract:

To provide an analytical system which makes use of a polyacetylene membrane, which can be used universally, by which various organism samples can be analyzed simply and with high sensitivity and in which the membrane can be manufactured easily.

A coloring sensor is formed in such a way that it is composed of fine particles covered with a polydiacetylene membrane liposome, with a polyacetylene membrane film or with a polydiacetylene membrane and that proteins whose molecule is made low are taken into the polydiacetylene membrane so as not to generate a hue change in the membrane. An analytical method uses the sensor. As a preferable state, the proteins whose molecule is made low are formed in such a way that an antibody Fab' fragment, an antigen protein having a molecular weight of 100000 or lower, a peptide which is composed of the residual group of 3 to 20 pieces of amino acids or single-stranded DNA having 100 bases or lower used to form double-stranded DNA by hybridization with single-stranded DNA in a sample and an antibody which reacts with the double-stranded DNA and which does not react with the single-stranded DNA are combined. The hue change of the polydiacetylene membrane is generated by an antigen-antibody reaction with an analyte (a component to be inspected) in the sample, and the analyte can be analyzed with high sensitivity.


Inventors:
JO YOSHIO
INOUE TOSHIKI
TAKADA KOICHI
Application Number:
JP36957497A
Publication Date:
July 21, 1999
Filing Date:
December 26, 1997
Export Citation:
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Assignee:
HOGI MEDICAL KK
International Classes:
G01N33/52; C12Q1/68; G01N33/543; G01N33/544; G01N33/545; G01N33/566; (IPC1-7): G01N33/566; G01N33/52
Attorney, Agent or Firm:
Toshi Tsutsui