Reagents for scientific and research use, namely, buffer solutions, enzymes, molecular probes, DNA and RNA polymerases, nucleic acids, nucleic acid derivatives, primers for use in PCR, DNA templates, RNA templates, dyes and biotechnology reagents and solvents for sample preparation, purification, modification and manipulation; diagnostic reagent kits for scientific and research use comprised of buffer solutions, enzymes, molecular probes, DNA and RNA polymerases, nucleic acids, nucleic acid d...