Nanomaterial Characterization for Biomedical Research

Titanium(IV) oxide nanopowder 99.5% rutile ~10 nm × 40 nm (TiO₂ rutile), Titanium(IV) oxide nanopowder 99.7% anatase <25 nm (TiO₂ anatase), Zinc oxide nanopowder <100 nm (ZnO), 10 × concentrated PBS, 10× concentrated RPMI 1640 medium bovine serum albumin (BSA) and mouse serum albumin (MSA) were purchased from Sigma-Aldrich, Schnelldorf, Germany. Human serum albumin (HSA) 50 g/L is from Baxter Deutschland Gmbh, Heidelberg, Germany. Plain (60 nm), carboxyl (60 nm) and amine modified polystyrene beads (65 nm) were purchased from Bangs Laboratories, Fishers, USA. S-purified single-wall nanotubes, outer diameter <2 nm length 1–5 μm (SWNT) and s-purified multi-wall nanotube, outer diameter 10–30 nm lengths 1–2 μm (MWNT) are from SES research, Houston, USA. SRM 2975 diesel particulate matter was purchased by the National Institute of Standards and Technology, Gaithersburg, USA. Silicon oxide 99.5%, 10 nm (SiO_x) and silver synthesized 99.5+%, 30–50 nm (Ag) were ordered from the Nanostructured and Amorphous Materials Inc, Los Alamos, USA.