INSTRUMENTS FOR DETECTING LOW-MOLECULAR WEIGHT SUBSTANCE

摘要

It is intended to provide the following instruments 1 and 2 with the use of immunochromatography whereby a low-molecular weight substance typified by an environmental pollutant such as dioxin can be conveniently and highly sensitively detected as a target substance in a test sample. 1. An instrument for detecting a low-molecular weight substance with the use of immunochromatography which comprises: 1) a part which is applied to a test sample to be in contact therewith; 2) a label reaction part containing a label which carries as a part thereof an antibody in the unbound state capable of binding to a target in the test sample; 3) an unreacted label-capturing part containing a factor in the bound state which can capture the free label not binding to the target; and 4) a detection part containing a detection factor which shows a visual change upon contact with the target bound to the label. 2. An instrument for detecting a low-molecular weight substance wherein a test sample for the instrument for detecting a low-molecular weight substance is employed as a reactant in a reaction between a labeled antibody carrying a part thereof an antibody capable of binding to a target in a test sample and the test sample.