40 Custom manufacture of micro- and nano-particles, namely, those composed of polymers, excipients, therapeutics, and biologics, for general scientific and research purposes; Custom manufacture of micro- and nano-particles, namely, those composed of polymers, excipients, therapeutics, and biologics used for the manufacture of medical and pharmaceutical goods and for general scientific and research purposes; custom manufacture of micro- and nano-particles, namely, those composed of polymers, excipients, therapeutics, and biologics used for medical diagnostic and treatment purposes