Examining visual word recognition memory (WRM) with nose-referenced EEGs, we reported a preserved ERP 'old-new effect' (enhanced parietal positivity 300-800 ms to correctly-recognized repeated items) in schizophrenia ([Kayser, J., Bruder, G.E., Friedman, D., Tenke, C.E., Amador, X.F., Clark, S.C., Malaspina, D., Gorman, J.M., 1999. Brain event-related potentials (ERPs) in schizophrenia during a...

BACKGROUND Long-term data on the clinical follow-up and the treatment effectiveness of Wilson's disease are limited because of the low disease frequency. This study evaluated a retrospective cohort of Wilson's disease patients from southern Brazil during a 40-year follow-up period. METHODS Thirty-six Wilson's disease patients, diagnosed from 1971 to 2010, were retrospectively evaluated accord...

To the Editor—A recent study in this journal (Debener et al., 2002) reported good internal consistencies (Cronbach’s a)0.8) for prominent ERP components recorded with a 64-channel Geodesic Sensor Net (GSN). However, data were pooled across multiple sites, a strategy incongruous with the purpose of improving topographic information with dense-electrode arrays. We question the validity of their g...

Tobacco smoke contains many alkylating agents that can react with DNA to produce O(4)-ethylthymidine (O(4)-etT) and several other types of promutagenic base modifications. Our aims were (i) to confirm results of a pilot study (Godschalk, R., Nair, J., Schooten, F. J., Risch, A., Drings, P., Kayser, K., Dienemann, H. and Bartsch, H. (2002) Comparison of multiple DNA adduct types in tumor adjacen...

Porin from bovine heart mitochondria contains probably two cysteines (Cys126 and Cys230 in human porin, Kayser, H., Kratzin, H. D., Thinnes, F. P., Götz, H., Schmidt, W. E., Eckart, K. & Hilschmann, N. (1989) Biol. Chem. Hoppe-Seyler 370, 1265-1278). Reduced and oxidized forms of these cysteines were investigated in purified protein and in intact mitochondria using the agents dithioerythritol, ...

Jute, Corchorus capsularis, is the most important cash crop of Pakistan. Most of the foreign exchange earned comes from the export of jute. For this reason jute is popularly called the "golden fiber" of Pakistan. A very importanit step in the jute industry is retting. During this process, some microorganisms decompose pectins of jute bark and the intervening tissues disintegrate. The pectins ar...

Wilson’s disease (WD) is an inherited disorder of copper metabolism. It results in copper deposition in toxic concentrations in liver, brain, eye, etc. Radiological features in the form of extensive gray and white matter abnormalities are rare. Here we report a case of WD presenting with encephalopathy and unusual radiological features. A 26-year-old male, born out of nonconsanguineous marriage...

Polyomaviruses are small, nonenveloped DNA tumor viruses with restricted host ranges. Virus binding to cell surface receptors is one determinant of viral tropism. Although murine polyomavirus is among the best characterized viruses, little is known about the sialic acid-containing receptor and its interaction with viral particles. By using nonradioactive virus binding assays as recently describ...

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1. Naseer U, Sundsfjord A. The CTX-M conundrum: dissemination of plasmids and Escherichia coli clones. Microb Drug Resist. 2011;17:83–97. http://dx.doi. org/10.1089/mdr.2010.0132 2. Sjölund M, Bonnedahl J, Hernandez J, Bengtsson S, Cederbrant G, Pinhassi J, et al. Dissemination of multidrug-resistant bacteria into the Arctic. Emerg Infect Dis. 2008;14:70–2. http://dx.doi.org/10.3201/ eid1401.07...