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Photo 1 whole setup Bridge & OPAMP

Now for the main business:

 

ENZYME ASSAYS - easily MEASURED BY            

                      CHANGES IN        

           SOLUTION CONDUCTIVITY

 

 

Simple, Sensitive, Low Cost (ca. £200) &  Reliable

 

                            EASY TO BUILD

           

Can be used for: Blood & Urine Clinical Tests, Industrial,

       College & School projects [see APPLICATIONS]

 

Uses two low cost electrochemical cells (Sample & Reference) in an ac bridge for extra differential sensitivity

 

The simple bridge circuit & the apparatus are shown below:

Links are in BLUE & underlined

 

 

The apparatus - insulated box lid removed..

                          seen behind

ELECTRONIC         CIRCUITS..

FOR EXTRA INTEREST SEE SOMETHING COMPLETELY DIFFERENT  

                                         

                       Gysmoe

         

      ALSO KNOWN AS 'GET YOUR SOCKS ON MORE EASILY!!!'