Highly polarized electrons from GaAs–GaAsP and InGaAs–AlGaAs strained-layer superlattice photocathodes

…, M Kuwahara, N Yamamoto, K Naniwa… - Journal of applied …, 2005 - pubs.aip.org
GaAs–GaAsP and InGaAs–AlGaAs strained-layer superlattice photocathodes are presented
as emission sources for highly polarized electron beams. The GaAs–GaAsP cathode …

Dietary flavonoid apigenin is a potential inducer of intracellular oxidative stress: the role in the interruptive apoptotic signal

N Miyoshi, K Naniwa, T Yamada, T Osawa… - Archives of biochemistry …, 2007 - Elsevier
Apigenin is a representative dietary flavone (2-phenyl-4H-1-benzopyran-4-one) inhibiting
cancer cell growth both in cell culture systems and in vivo. The prooxidant potential of …

Reduction of field emission dark current for high-field gradient electron gun by using a molybdenum cathode and titanium anode

…, M Kuwahara, N Yamamoto, K Naniwa, K Yasui… - Nuclear Instruments and …, 2005 - Elsevier
Dark current measurements are performed for Mo and Ti electrodes and the results are
analyzed to separate the primary field emission current from the total observed dark current. The …

Static and dynamic properties of McKibben pneumatic actuator for self-stability of legged-robot motion

Y Sugimoto, K Naniwa, K Osuka, Y Sankai - Advanced Robotics, 2013 - Taylor & Francis
A McKibben-type pneumatic actuator is widely used for utilization of its self-stabilization
characteristics with a simple actuator model and a simple control method. However, how its …

Arachidonic acid cascade inhibitors modulate phorbol ester-induced oxidative stress in female ICR mouse skin: differential roles of 5-lipoxygenase and …

…, M Kozuka, K Naniwa, S Takabayashi, K Torikai… - Free Radical Biology …, 2003 - Elsevier
We recently developed a short-term assay for skin H 2 O 2 generation induced by double 12-O-tetradecanoylphorbol-13-acetate
(TPA) applications for mechanistic study on skin …

Characteristics verification of pneumatic artificial muscles for compressive loading

T Goto, K Naniwa, D Nakanishi, Y Sugimoto… - Advanced …, 2023 - Taylor & Francis
A McKibben pneumatic actuator (MPA) is an artificial muscle. Many studies have attempted
to investigate the tension exerted by the MPA. However, the MPA also exerts a pushing force …

Weak actuators generate adaptive animal gaits without a brain

…, K Naniwa, M Ishikawa, K Osuka - 2017 IEEE International …, 2017 - ieeexplore.ieee.org
In this study, illustrative experiments were performed to explain the physical aspect of the gait
adjustment mechanism for quadrupeds in nature. The major contribution of this work was …

[HTML][HTML] Brainless walking: Animal gaits emerge from an actuator characteristic

…, K Naniwa, M Ishikawa, K Osuka - Frontiers in Robotics and …, 2021 - frontiersin.org
K T and K E are the proportionality coefficient between torque–… K T = K E from the reciprocity
theorem, we write K : = K T = K … V / n K is the rotation speed at no load and ε : = R / n 2 K 2 is …

Embodied latch mechanism of the mandible to power at ultra-high speed in the trap-jaw ant Odontomachus kuroiwae

…, K Naniwa, Y Sugimoto, K Ohkawara… - Journal of …, 2023 - journals.biologists.com
Rapid movements of limbs and appendages, faster than those produced by simple muscle
contraction alone, are generated through mechanical networks consisting of springs and …

Fam20C overexpression in odontoblasts regulates dentin formation and odontoblast differentiation

K Naniwa, K Hirose, Y Usami, K Hata, R Araki… - Journal of Molecular …, 2023 - Springer
FAM20C phosphorylates secretory proteins at SxE/pS motifs, and previous studies of
Fam20C-dificient mice revealed that FAM20C played essential roles in bone and tooth formation. …