Laboratory equipment, namely, filters, filter plates, vacuum manifolds, petri dishes, glass vials, microplates, centrifuges, pipettes, chillers for maintaining constant temperatures of fluid media, shakers for mixing and positioning of samples in tubes; biomolecule purification systems, namely, RNA kits comprising buffer solutions and reaction tubes for isolation of RNA fraction from a heterogeneous biological sample, DNA kits comprising buffer solutions and reaction tubes for isolation of DNA fraction from a heterogeneous biological sample, swab kits comprising swabs and collection tubes for the collection of clinical samples, fragments clean up kits comprising buffer solutions and reaction tubes for recover or concentrate nucleic acid from a mixture, high throughput extraction kits comprising buffer solutions, reaction tubes and tube holder for isolation of nucleic acid from plural biological samples; gel tanks for vertical and horizontal electrophoresis comprising a body for sitting of gel matrix, a buffer tank(s) for holding of electrophoretic buffers and a lid with electrical connectors and leads; microscopes; cameras; power supplies providing constant voltage, constant current or constant power of electrical output to devices used in electrophoresis applications; stirrers for mixing fluid media; gel imaging systems, namely, transilluminators with optical filters for molecular analysis, and fluorescent dyes for molecular analysis