Toward a Blended Ontology: Applying Knowledge Systems to Compare Therapeutic and Toxicological Nanoscale Domains

Table 2

Queries used to obtain the studied literature corpus.

Database	Query	Record count
ISI’s Web of Knowledge (http://wokinfo.com/)	TI = (nano* OR nanotox*) AND	1802 references
	TS = ((pharmacokinetic* OR toxicokinetic* OR disposition OR distribution OR ADME OR pbpk OR environment*)) AND TS = (toxic*)
	Timespan = All Years
	Databases = SCI-EXPANDED
	Lemmatization = On
PubMed (http://www.PubMed.org/)	(Tissue distribution OR biodistribution OR dosimetry OR pharmacokinetics OR dermal OR oral OR inhalation OR uptake OR absorption OR route OR metabolism OR accumulation OR clearance OR renal OR hepatic OR excretion OR elimination) AND (nano* OR ultrafine*)	630 references