9 Scientific instruments, namely, instruments in the nature of microscopes, cells analysers, cell sorters and computers for studying, analysing and manipulating complex biological processes, namely, binding of cells; computer software for scientific apparatus and instruments, used for measuring and analysing the binding and the avidity of cells to other cells and to biomolecules such as proteins, lipid membranes, sugars, antibodies and nucleic acids; computer software for scientific apparatus and instruments, used for screening, separating, enriching, selecting and sorting cells, based on avidity or based on cell binding; computer software for microfluidic-chip force spectrometer, used for controlling a force on cells; computer software for medical apparatus and instruments used for diagnostic and therapy purposes based on the binding and the avidity of cells to other cells and to biomolecules such as proteins, lipid membranes, sugars, antibodies and nucleic acids.