Medical laboratory instruments for diagnostic use and medical diagnostic instruments, namely, nucleic acid sequencers and synthesizers, genetic analyzers, fragment analyzers, electrophoresis machines, linkage analyzers, genetic mappers, thermal cyclers, cytometer, chemical reaction mixture containment apparatus and structural parts thereof, protein and peptide synthesizers, mass spectrometer and chromatograph, high-throughput instruments for preparation of nucleic acid samples; laboratory medical and diagnostic supplies, namely, plastic consumables, namely, reaction trays and well plates, racks, vials, caps and septa for use with laboratory glassware for diagnostic purposes, needles, bottles, flask, filters for processing samples and fluids, storage tubes, and seals for laboratory glassware and plastic goods, plastic tray covers for holding microplates, microplate, pipette tips, reagent reservoir, optical heat field covers, plastic cards for sample collection, and plastic capillary arrays, all for diagnostic and medical use