9 Scientific, testing, measuring, detecting instruments in the nature of electronic apparatus for electrophysiological measurement, in particular for applying forces to cells for measuring binding characteristics of cells, namely, cell avidity based analyzers and cell avidity based sorters; computer hardware; downloadable and recorded computer software and recorded computer programs for use with scientific apparatus and instruments, namely, for measuring and analyzing the binding of cells to other cells and to biomolecules such as proteins, lipid membranes, sugars, antibodies and nucleic acids; downloadable and recorded computer software and recorded computer programs for use with scientific apparatus and instruments, namely, for screening, separating, enriching, selecting and sorting cells, based on the binding force on cells; downloadable and recorded computer software and recorded computer programs for use with microfluidic-chip force spectrometer, namely, for controlling a force on cells; downloadable and recorded analysis software and recorded computer programs for analyzing microscopy images of cells; downloadable and recorded computer software and recorded computer programs for use with scientific apparatus and instruments, namely, for measuring, manipulating and analyzing single molecules, biomolecules, biomaterials and other molecular materials; downloadable and recorded computer software for analyzing single molecule experiments; computer hardware and recorded software for generating and analyzing data; workflow applications, namely, downloadable and recorded computer software for use with scientific apparatus and instruments, namely, for measuring and analyzing the binding of cells to other cells and to biomolecules such as proteins, lipid membranes, sugars, antibodies and nucleic acids; downloadable and recorded computer software for use with scientific apparatus and instruments, namely, for screening, separating, enriching, selecting and sorting cells, based on the binding force on cells; downloadable and recorded computer software for use with microfluidic-chip force spectrometer, namely, for controlling a force on cells; downloadable and recorded analysis software for analyzing microscopy images of cells; downloadable and recorded computer software for use with scientific apparatus and instruments, namely, for measuring, manipulating and analyzing single molecules, biomolecules, biomaterials and other molecular materials