Search Results - "Uchino, K"

Evaluation of the mechanical quality factor under high power conditions in piezoelectric ceramics from electrical power by Shekhani, H.N., Uchino, K.

“…The main methods used to measure the mechanical quality factor in piezoelectric ceramics under high power resonance conditions are the electrical impedance…”
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Materials issues in design and performance of piezoelectric actuators: an overview by Uchino, K.

“…The performance of ceramic actuators is dependent on complex factors, which are divided into three major categories: the properties of the ceramic itself, and…”
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Valve surgery for infective endocarditis complicated by stroke: surgical timing and perioperative neurological complications by Zhang, L. Q., Cho, S.‐M., Rice, C. J., Khoury, J., Marquardt, R. J., Buletko, A. B., Hardman, J., Wisco, D., Uchino, K.

“…Background and purpose Ischaemic and hemorrhagic strokes are dreaded complications of infective endocarditis (IE). The timing of valve surgery for IE patients…”
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Modular cis‐regulatory logic of yellow gene expression in silkmoth larvae by Suzuki, T. K., Koshikawa, S., Kobayashi, I., Uchino, K., Sezutsu, H.

“…Colour patterns in butterflies and moths are crucial traits for adaptation. Previous investigations have highlighted genes responsible for pigmentation (ie…”
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Loss mechanisms in piezoelectrics: how to measure different losses separately by Uchino, K., Hirose, S.

“…Losses in piezoelectrics are considered in general to have three different mechanisms: dielectric, mechanical, and piezoelectric losses. This paper deals with…”
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Consideration of Impedance Matching Techniques for Efficient Piezoelectric Energy Harvesting by Hyeoungwoo Kim, Priya, S., Stephanou, H., Uchino, K.

“…This study investigates multiple levels of impedance-matching methods for piezoelectric energy harvesting in order to enhance the conversion of mechanical to…”
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Projections from the dorsal peduncular cortex to the trigeminal subnucleus caudalis (medullary dorsal horn) and other lower brainstem areas in rats by Akhter, F, Haque, T, Sato, F, Kato, T, Ohara, H, Fujio, T, Tsutsumi, K, Uchino, K, Sessle, B.J, Yoshida, A

“…Highlights • Projections from the dorsal peduncular cortex (DP) were examined. • In the prefrontal cortex, only DP projected to the trigeminal caudal…”
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Ischemic Stroke and Intracranial Hemorrhages during Percutaneous Left Ventricular Assist Device Cardiac Support by Hassett, C., Cho, S., Hasan, S., Starling, R.C., Soltesz, E., Uchino, K., Migdady, I.

“…Mechanical circulatory support systems for cardiogenic shock and heart failure are associated with ischemic strokes and intracranial hemorrhages. Impella is a…”
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Cerebral microbleeds predict infectious intracranial aneurysm in infective endocarditis by Cho, S.‐M., Marquardt, R. J., Rice, C. J., Buletko, A. B., Zhang, L. Q., Khoury, J., Thatikunta, P., Hardman, J., Wisco, D., Uchino, K.

“…Background and purpose Magnetic resonance imaging (MRI) features such as cerebral microbleeds and sulcal susceptibility‐weighted imaging (SWI) or gradient‐echo…”
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Jaw movement-related primary somatosensory cortical area in the rat by Uchino, K, Higashiyama, K, Kato, T, Haque, T, Sato, F, Tomita, A, Tsutsumi, K, Moritani, M, Yamamura, K, Yoshida, A

“…Highlights • Rostral part of the rat primary somatosensory cortex (S1) was electrically stimulated to evoke jaw-movements. • Low-frequency long-train (LFLT)…”
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Degree of Collaterals and Not Time Is the Determining Factor of Core Infarct Volume within 6 Hours of Stroke Onset by Cheng-Ching, E, Frontera, J A, Man, S, Aoki, J, Tateishi, Y, Hui, F K, Wisco, D, Ruggieri, P, Hussain, M S, Uchino, K

“…Growth of the core infarct during the first hours of ischemia onset is not well-understood. We hypothesized that factors other than time from onset of ischemia…”
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Long-Term Neurocognitive Outcomes in LVAD Recipients by Cho, S., Uchino, K., Starling, R., Mokadam, N., Joseph, S.M., Teuteberg, J., Tirschwell, D.L., Li, S., Jacoski, M., Rogers, J., Pagani, F., Mahr, C.

“…Data on long-term cognitive outcome in patients with LVAD is limited. We examined the neurocognitive outcome in patients receiving the HeartwareTM HVADTM…”
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High power characterization of (Na0.5K0.5)NbO3 based lead-free piezoelectric ceramics by Gurdal, E.A., Ural, S.O., Park, H.-Y., Nahm, S., Uchino, K.

“…Though there is a lot of research related with lead-free piezoelectric materials, there are quite few research on high power characteristics of the lead-free…”
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Loss mechanisms and high power piezoelectrics by Uchino, K, Zheng, J. H, Chen, Y. H, Du, X. H, Ryu, J, Gao, Y, Ural, S, Priya, S, Hirose, S

“…Heat generation is one of the significant problems in piezoelectrics for high power density applications. In this paper, we review the loss mechanisms in…”
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Symptomatic intracerebral hemorrhage and recanalization after IV rt-PA A multicenter study by SAQQUR, M, TSIVGOULIS, G, MOLINA, C. A, DEMCHUK, A. M, SIDDIQUI, M, ALVAREZ-SABIN, J, UCHINO, K, CALLEJA, S, ALEXANDROV, A. V

“…Symptomatic intracerebral hemorrhage (sICH) is the most unfavorable complication after IV thrombolytic treatment. We aimed to determine the relationship…”
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A piezoelectric motor using two orthogonal bending modes of a hollow cylinder by Koc, B., Cagatay, S., Uchino, K.

“…This paper proposes a compact ultrasonic motor with low manufacturing costs, a simpler driving circuit, and scalability. The stator of the motor presented in…”
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Establishment of a specific cell death induction system in Bombyx mori by a transgene with the conserved apoptotic regulator, mouse Bcl‐2‐associated X protein (mouse Bax) by Sumitani, M, Sakurai, T, Kasashima, K, Kobayashi, S, Uchino, K, Kanzaki, R, Tamura, T, Sezutsu, H

“…The induction of apoptosis in vivo is a useful tool for investigating the functions and importance of particular tissues. B‐cell leukaemia/lymphoma…”
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Gastro-intestinal patch system for the delivery of erythropoietin by Venkatesan, N., Uchino, K., Amagase, K., Ito, Y., Shibata, N., Takada, K.

“…The absorption of erythropoietin (EPO) from rat small intestine was studied using gastro-intestinal patches (GI-PS) in the presence of absorption enhancers…”
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Transgenic analysis of the BmBLOS2 gene that governs the translucency of the larval integument of the silkworm, Bombyx mori by Fujii, T, Daimon, T, Uchino, K, Banno, Y, Katsuma, S, Sezutsu, H, Tamura, T, Shimada, T

“…The larval integument of the silkworm, Bombyx mori, is opaque because urate granules accumulate in the epidermis. Although the biosynthetic pathway of uric…”
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Establishment of transgenic silkworms expressing GAL4 specifically in the haemocyte oenocytoid cells by Tsubota, T, Uchino, K, Kamimura, M, Ishikawa, M, Hamamoto, H, Sekimizu, K, Sezutsu, H

“…Insect haemocytes play significant roles in innate immunity. The silkworm, a lepidopteran species, is often selected as the model for studies into the…”
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