title: In Response: Measurement science challenges that complicate the assessment of the potential ecotoxicological risks of carbon nanomaterials--A governmental perspective.
authors.affiliation: Biosystems and Biomaterials Division, National Institute of Standards and Technology, Gaithersburg, Maryland, USA.
authors.forename: Elijah J
authors.initials: EJ
authors.lastname: Petersen
mesh_terms: D002244:Carbon; D054750:Ecotoxicology; D049329:Nanostructures / Q000633:toxicity*; D018570:Risk Assessment
chemical_list: D002244:Carbon