BACKGROUND AND PURPOSE Upper cervical spinal canal dimension may have a role in abnormal CSF dynamics in patients with Chiari I malformation. We attempted to measure spinal canal tapering from anteroposterior spinal canal dimensions in patients with Chiari I. MATERIALS AND METHODS Twenty-one patients with Chiari I malformation, including 12 with syringomyelia and 7 patients with IS were ident...

Internal chloride activity, a(i) (Cl), and membrane potential, E(m), were measured simultaneously in 120 R2 giant neurons of Aplysia californica. a(i) (Cl) was 37.0 +/- 0.8 mM, E(m) was -49.3 +/- 0.4 mv, and E(Cl) calculated using the Nernst equation was -56.2 +/- 0.5 mv. Such values were maintained for as long as 6 hr of continuous recording in untreated neurons. Cooling to 1 degrees -4 degree...

This investigation aims to assess whether the hepatocellular carcinoma cell line, HepG2, is an appropriate model to assess the role of poly (ADP-ribose) polymerase (PARP) during acute ethanol toxicosis. HepG2 cells were dosed with graded concentrations of ethanol, ranging from 100 mM to 800 mM, for 6 hours to assess PARP activity induction, while another parallel experiment examined cellular da...

N. Yamada, S. Aoki, M. Fukugita, S. Hashimoto, K-I. Ishikawa, N. Ishizuka, Y. Iwasaki, K. Kanaya, T. Kaneko, Y. Kuramashi, M. Okawa, Y. Taniguchi, N. Tsutsui, A. Ukawa, and T. Yoshié (CP-PACS and JLQCD Collaborations) High Energy Accelerator Research Organization(KEK), Tsukuba, Ibaraki 305-0801, Japan Institute of Physics, University of Tsukuba, Tsukuba, Ibaraki 305-8571, Japan Institute for Co...

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The exhaust gases from an oil-fired hospital waste incinerator were examined during normal incinerator operation. The design-specified operating temperature was 800 degrees C in the primary combustion chamber and 1000 degrees C in the secondary chamber. Flue gas temperatures, measured from the sampling point at the base of the exhaust stack, varied over the range 186-305 degrees C, and bacteria...

PURPOSE To assess the optimal b-values range for perfusion-insensitive apparent diffusion coefficient (ADC) imaging of abdominal organs using short-duration DW-MRI acquisitions with currently available ADC estimation methods. METHODS DW-MRI data of 15 subjects were acquired with eight b-values in the range of 5-800 s∕mm(2). The reference-standard, a perfusion insensitive, ADC value (ADC(IVIM)...

OBJECTIVE The purpose of our study was to investigate whether fast and slow components of the apparent diffusion coefficient (ADC) from diffusion-weighted MR images could predict prostate cancer progression in patients managed by active surveillance. SUBJECTS AND METHODS Eighty-one patients managed by active surveillance underwent diffusion-weighted MRI in addition to T2-weighted MRI using an...