Chemistry apparatus and instruments, namely, vacuum transfer units, filtration manifolds, pipet tips, test tubes and pipeting instruments, sterilized tissue culture plate, tubes, pipes and similar structures used for transporting materials in the laboratory; Measuring instruments, namely, microplate readers, densitometers, fluorometers, calibrated measuring and weighing instruments for scientific and laboratory use;calibrated glassware; Teaching apparatus, namely, preparative electrophoresis instrument and cells, nucleic acid sequencing cells, gel documentation instruments, computer programs for biochemical imaging and analysis, and for biochemical laboratory quality, laminar flow biological safety cabinet hoods for laboratory use; Instruments and measuring apparatus for physical-chemical experiments and composition analysis, namely, electrophoresis equipment, electrophoresis imaging instruments, pulsed-filed electrophoresis instruments, electrophoresis apparatus not for medical purposes comprising microcell electrophresis power supply, special electrophoresis chamber, microscope, color camera, video capture card, analysis software, computer, printer, syringe, lead, blotting cells and membranes for electrophoretic transfer; nitrocellulose membranes, DNA analyzer instruments, instruments for medical amino acids testing, instruments for infectious disease testing, blotting instruments, semi-dry transfer units, tank transfer units, blot gel processing instruments, DNA pulsed field instruments, DNA sequencing instruments, namely, direct blotting sequencers and nucleic acid sequencers, DNA submarine gel instruments, vertical slab gel instruments for electrophoresis, preparative electrophoresis instruments, 2-D instruments for electrophoresis, gel dryers, isoelectric focusing instruments, transilluminators, instruments and materials used in molecular biology, namely, equipment for detection analysis and purification of microbiological products, and parts for all the aforesaid goods; Apparatus and instruments for physics, namely, ovens for laboratory experiments, hybridization chambers and water baths, electroporation instruments, filtration instruments for use in life science research, filters and membranes, visible light boxes, rocking platforms, orbital shakers with platform decks, electrophoresis sample applicators, thermocyclers, microplate washer, electric seed pulverizer