9 Laboratory apparatus and instruments for extracting nucleic acids, namely, RNA and DNA; Diagnostic apparatus for the detection of pathogens for laboratory or research use; Portable detection and identification instruments using light sources and light detectors for detecting and identifying chemical and biological substances not for medical purposes; Laboratory apparatus for the collection, extraction, and purification of RNA and DNA, for use in the biotech, chemical, and ecological industries; Apparatus for conducting quantitative or real-time polymerase chain reactions; Apparatus for pathogen detection, air analysis, detection of genetically modified organisms, detection of invasive species, species identification, and bio-threat detection; Air sampling equipment, namely, devices for effecting entrapment of air borne bio-aerosols, particulate matter, biological materials, and soluble vapors to permit accurate sampling and measurement thereof; Liquid sampling equipment, namely, devices for effecting entrapment of liquid borne biological materials and particulate matter from liquids to permit accurate sampling and measurement thereof; Replacement parts and fittings for all the aforesaid goods; Accessories for the aforesaid goods, namely, filtration cartridges and pumping system; all the foregoing being for laboratory and research purposes