This blog is part of a series that identi es and discusses practical issues that arise in initiating networked improvement communities (NICs). While other contributors have written from the perspective of those doing such work, my contribution is something of a twist, in that I write from the perspective of an external observer whose research focuses on largescale, network-based educational imp...

A method is described for the fluorometric determination of fecal bile acids. The method combines solvent extraction and thin-layer chromatography (TLC) isolation tech nics with a fluorometric method for measuring total bile acids. Recoveries of individual bile acids added to feces averaged 107% with a standard deviation of ± 5.6%. Bile acid excretion in normal human subjects on a self-selected...

The most refined nucleus-independent chemical shift index (NICS(0)(πzz)) and the extra cyclic resonance energies (ECREs), based on the block localized wave function (BLW) method, show that the aromaticity of all azines is like that of benzene. The same is true for aza-naphthalenes relative to naphthalene. The lower relative energies of isomers with vicinal N's are due to the weakness of NN bond...

Nodular intracranial calcifications (NIC) are frequent findings in CT scans of epileptic patients in countries where granulomatous central nervous disease such as neurocysticercosis is endemic. In 34 consecutive epileptic patients with NIC submitted to EEG, CT and CSF analysis, the correlation between the electroclinical localization of the focus and the topography of the NIC was studied. Twent...

The availability of unlicensed spectrum coupled with the increasing popularity of wireless communication has given rise to a diverse range of wireless technologies that compete for spectrum. In particular, 802.11 devices face a host of problems such as interference with other 802.11 devices (hidden terminals) as well as with technologies like Bluetooth and ZigBee. Inferring the cause of wireles...

This paper describes a novel architecture for building software wireless network interfaces. These interfaces, implemented in user-level software, run on oo-the-shelf PCs and replace all of the link and many of the physical layer functions typically implemented in dedicated hardware on a network interface card (NIC). They provide all of the processing needed to transform between wideband IF sig...

1) National Agricultural Research Center for the Western Region, WeNARC, NARO, 1-3-1 Senyu, Zentsuji, Kagawa 765-8508, Japan 2) National Institute of Crop Science, NICS, NARO, 2-1-18 Kannondai, Tsukuba Ibaraki 305-8518, Japan 3) National Agricultural Research Center, NARC, NARO, 1-2-1, Inada, Joetsu, Niigata 943-0193, Japan 4) Present address: 1327 Ashiro Higashimiyoshi, Tokushima 771-2502, Jap...

Non-linear inverse Compton scattering (NICS) is of significance in laser-plasma physics and for application-relevant laser-driven photon sources. Given this interest, we investigated synchrotron-like emission a promising configuration achieved when an ultra-intense laser pulse interacts with double-layer target (DLT). Numerical simulations two-dimensional particle-in-cell codes analytical estim...