Comparison of pulmonary inflammatory responses following intratracheal instillation and inhalation of nanoparticles

Y Morimoto, H Izumi, Y Yoshiura, T Tomonaga… - …, 2016 - Taylor & Francis
In order to examine whether intratracheal instillation studies can be useful for determining
the harmful effect of nanoparticles, we performed inhalation and intratracheal instillation …

[HTML][HTML] Evaluation of pulmonary toxicity of zinc oxide nanoparticles following inhalation and intratracheal instillation

Y Morimoto, H Izumi, Y Yoshiura, T Tomonaga… - International journal of …, 2016 - mdpi.com
We conducted inhalation and intratracheal instillation studies of zinc oxide (ZnO) nanoparticles
in order to examine their pulmonary toxicity. F344 rats were received intratracheal …

[HTML][HTML] Usefulness of intratracheal instillation studies for estimating nanoparticle-induced pulmonary toxicity

Y Morimoto, H Izumi, Y Yoshiura, K Fujishima… - International journal of …, 2016 - mdpi.com
Inhalation studies are the gold standard for the estimation of the harmful effects of respirable
chemical substances, while there is limited evidence of the harmful effects of chemical …

[HTML][HTML] Pulmonary toxicity of well-dispersed cerium oxide nanoparticles following intratracheal instillation and inhalation

Y Morimoto, H Izumi, Y Yoshiura, T Tomonaga… - Journal of Nanoparticle …, 2015 - Springer
We performed inhalation and intratracheal instillation studies of cerium dioxide (CeO 2 )
nanoparticles in order to investigate their pulmonary toxicity, and observed pulmonary …

Embryoid body culture of mouse embryonic stem cells using microwell and micropatterned chips

Y Sakai, Y Yoshiura, K Nakazawa - Journal of bioscience and …, 2011 - Elsevier
The proliferation and differentiation properties of embryoid bodies (EB) from mouse embryonic
stem (ES) cells were compared under two microchip conditions: microwell chip and …

[HTML][HTML] Pulmonary toxicity of well-dispersed titanium dioxide nanoparticles following intratracheal instillation

Y Yoshiura, H Izumi, T Oyabu, M Hashiba… - Journal of Nanoparticle …, 2015 - Springer
In order to investigate the pulmonary toxicity of titanium dioxide (TiO 2 ) nanoparticles, we
performed an intratracheal instillation study with rats of well-dispersed TiO 2 nanoparticles and …

[HTML][HTML] Biopersistence of NiO and TiO2 Nanoparticles Following Intratracheal Instillation and Inhalation

…, BW Lee, T Okada, H Izumi, Y Yoshiura… - International journal of …, 2017 - mdpi.com
The hazards of various types of nanoparticles with high functionality have not been fully
assessed. We investigated the usefulness of biopersistence as a hazard indicator of …

Effect of microwell chip structure on cell microsphere production of various animal cells

Y Sakai, S Yoshida, Y Yoshiura, R Mori… - Journal of bioscience …, 2010 - Elsevier
The formation of three-dimensional cell microspheres such as spheroids, embryoid bodies,
and neurospheres has attracted attention as a useful culture technique. In this study, we …

Comparison between whole-body inhalation and nose-only inhalation on the deposition and health effects of nanoparticles

T Oyabu, Y Morimoto, H Izumi, Y Yoshiura… - … health and preventive …, 2016 - Springer
Objectives We performed the two inhalation exposures, whole-body inhalation and nose-only
inhalation, to investigate the pulmonary deposition and health effects of the two inhalation …

[HTML][HTML] Comparison of the pulmonary oxidative stress caused by intratracheal instillation and inhalation of NiO nanoparticles when equivalent amounts of NiO are …

M Horie, Y Yoshiura, H Izumi, T Oyabu, T Tomonaga… - Antioxidants, 2016 - mdpi.com
NiO nanoparticles were administered to rat lungs via intratracheal instillation or inhalation.
During pulmonary toxicity caused by NiO nanoparticles, the induction of oxidative stress is a …