Need to have a functional prototype by first of August which accomplishes the above. Shall I start with a book such as, " Practical Electronics for Inventors," by Shertz and Monk, 3rd Ed.?
I'm sorry, I may not have understood your question, but a biosensor needs a probe and a molecular target for recognition. What about search for articles related to biosensors and its applications?
A biosensor is mainly composed of a biorecognition surface to recognize the concentration of the target analyte, a transducer that converts the biorecognition event into a detectable signal. It can be electrical signal or optical signal. Afterwards, the signal is processed by a processor.
You can have a look at the pdf attached below. Hopefully, you will get some idea