Knock-out mouse models and single particle ICP-MS reveal that SP-D and SP-A deficiency reduces agglomeration of inhaled gold nanoparticles in vivo without significant changes to overall lung clearance. - Laycock, Adam; Kirjakulov, Artur; Wright, Matthew Darren; Bourdakos, Konstantinos Nikolaos; Mahajan, Sumeet; Clark, Howard; Griffiths, Mark; Sørensen, Grith Lykke; Holmskov, Uffe; Guo, Chang; Leonard, Martin O.; Smith, Rachel; et al. (Nanotoxicology, 2025)