Test device, reaction apparatus and reactive test method

Abstract

A test device having a micro flow channel including a reaction part where a reactant that is reactive to a tested chemical dispersed in a tested fluid is fixed, and at least one actuator for actuating the tested fluid to move in at least one of two opposite sides of the micro flow channel so as to homogenize a density distribution of the tested chemical in the tested fluid. The tested fluid is sent in the micro flow channel a plurality of times.

1 . A test device comprising:
 a micro flow channel including a reaction part where a reactant that is reactive to a tested chemical dispersed in a tested fluid is fixed; and   at least one actuator for actuating the tested fluid to move in at least one of two opposite sides of the micro flow channel so as to homogenize a density distribution of the tested chemical in the tested fluid;   wherein the tested fluid is sent in the micro flow channel a plurality of times.   
     
     
         2 . A test device according to  claim 1 , wherein tested fluid reservoirs that have inner volumes larger than that of the tested fluid are provided at the two opposite sides of the micro flow channel. 
     
     
         3 . A test device according to  claim 2 , wherein the at least one actuator is a stirrer for stirring the tested fluid that is sent to one of the reservoirs after passing through the reaction part at least once. 
     
     
         4 . A test device according to  claim 1 , wherein the at least one actuator is an oscillator. 
     
     
         5 . A tested device according to  claim 1 , wherein the at least one actuator is a spiral groove. 
     
     
         6 . A tested device according to  claim 1 , wherein the at least one actuator is steps made spirally. 
     
     
         7 . A test device according to  claim 1 , wherein an immune reaction between an antigen and an antibody is carried out in the reaction part. 
     
     
         8 . A reaction apparatus comprising:
 a test device comprising a reaction part in a micro flow channel, a reactant that is reactive to a tested chemical dispersed in a tested fluid being fixed in the reaction part;   a fluid sender for sending the tested fluid in the micro flow channel a plurality of times; and   at least one actuator for actuating the tested fluid to move in at least one of two opposite sides of the micro flow channel so as to homogenize a density distribution of the tested chemical in the tested fluid.   
     
     
         9 . A reaction apparatus according to  claim 8 , wherein the fluid sender reciprocates the tested fluid in the micro flow channel. 
     
     
         10 . A reaction apparatus according to  claim 8 , wherein the fluid sender circulates the tested fluid. 
     
     
         11 . A reaction apparatus according to  claim 8 , wherein tested fluid reservoirs that have inner volumes larger than that of the tested fluid are provided at the two opposite sides of the micro flow channel. 
     
     
         12 . A reaction apparatus according to  claim 11 , wherein the at least one actuator is a stirrer for stirring the tested fluid that is sent to one of the reservoirs after passing through the reaction part at least once. 
     
     
         13 . A reaction apparatus according to  claim 8 , wherein the at least one actuator is an oscillator. 
     
     
         14 . A reaction apparatus according to  claim 8 , wherein the at least one actuator is a spiral groove. 
     
     
         15 . A reaction apparatus according to  claim 8 , wherein the at least one actuator is steps made spirally. 
     
     
         16 . A reaction apparatus according to  claim 8 , wherein an immune reaction between an antigen and an antibody is carried out in the reaction part. 
     
     
         17 . A reactive test method comprising the steps of;
 sending a tested fluid in a micro flow channel a plurality of times, the micro flow channel including a reaction part where a reactant that is reactive to a tested chemical dispersed in the tested fluid is fixed; and   actuating the tested fluid to move in at least one of two opposite sides of the micro flow channel so as to homogenize a density distribution of the tested chemical in the tested fluid.   
     
     
         18 . A reactive test method according to  claim 17 , wherein the tested fluid is reciprocated in the micro flow channel. 
     
     
         19 . A reactive test method according to  claim 17 , wherein the tested fluid is circulated. 
     
     
         20 . A reactive test method according to  claim 17 , wherein the step of actuating the tested fluid is carried out in a reservoir that is disposed in at least one of two opposite sides of the micro flow channel, the reservoir having an inner volume larger than a volume of the tested fluid. 
     
     
         21 . A reactive test method according to  claim 17 , wherein an immune reaction between an antigen and an antibody is carried out in the reaction part.