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Background: The aim of this study was to determine the imaging characteristics of presacral epidermoid cysts and correlate the imaging findings with the histopathologic findings. Methods: We retrospectively reviewed sonographic, computed tomographic, and magnetic resonance examinations in four consecutive patients with a pathologically proven presacral(More)
We propose a short-period dispersion-managed fiber that consisted of conventional single-mode fiber (17 ps/km/nm) and negative dispersion fiber ( 15 ps/km/nm). Thus, the average dispersion of the proposed fiber was only 1 ps/km/nm. The lengths of the positive and negative fiber sections were only 4.5 km so that they can be accommodated within a single(More)
Heme oxygenase (HO)-1 expression via nuclear factor-erythroid 2-related factor 2 (Nrf2) activation has an ability to inhibit tumor necrosis factor (TNF)-α and interleukin (IL)-6 production. Costunolide has been reported to inhibit IL-1 production, but whether other cytokines could be inhibited remains to be confirmed. We investigated the effects of(More)
We tested recent evidence that ischemic preconditioning (PC) involves in translocation of protein kinase C (PKC) from the cytosol to myocyte membrane. Isolated Langendorff-perfused rabbit hearts (n=96) were subjected to 60 or 45 min of ischemia (I) and 120 min of reperfusion (R) with or without PC (4 cycles of 5 min I and 5 min R; or single dose of 5 min I(More)
We propose and demonstrate a novel OSNR monitoring technique for polarization division multiplexed (PDM) transmission. This technique based on four-wave mixing in nonlinear medium can individually monitor the OSNR values of X-axis and Y-axis signals in 80-Gbps PDM-NRZ transmission with accuracy of 0.5 dB.
Plastic packaging is the mainstream on microelectronic packaging technology at present. As the continuous requirements for smaller but higher density products, failure and reliability issues on MEMS/MOEMS packaging because of the hygroscopic swelling mismatch stress become more and more serious. To this end, this paper presented the stress monitoring(More)
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