9 Electrodes; biochip sensors for detecting antibody, antigen, protein, peptide, pathogen, hormone, enzyme, DNA, RNA, chemical compound, aptamer for research or scientific purposes; Biosensors detecting antibody, antigen, protein, peptide, pathogen, hormone, enzyme, DNA, RNA, chemical compound, aptamer for research or scientific purposes; Digital sensors for detecting antibody, antigen, protein, peptide, pathogen, hormone, enzyme, DNA, RNA, chemical compound, aptamer; electric sensors; electronic sensors for detecting antibody, antigen, protein, peptide, pathogen, hormone, enzyme, DNA, RNA, chemical compound, aptamer; current sensors being a sensor for detecting electrical current; electro-chemical measuring apparatus and equipment, namely, electrodes, test tubes, downloadable software for reading and analyzing the electro-chemical data all sold as a unit; electronic devices for measuring electric current; digital healthcare, namely, downloadable software for analyzing and storing test results