Alexander J. Kujawski

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The Muller F element (4.2 Mb, ~80 protein-coding genes) is an unusual autosome of Drosophila melanogaster; it is mostly heterochromatic with a low recombination rate. To investigate how these properties impact the evolution of repeats and genes, we manually improved the sequence and annotated the genes on the D. erecta, D. mojavensis, and D. grimshawi F(More)
The characteristic dimensions of Bessel beams are fully determined by the corresponding Bessel functions. We consider a way of obtaining a narrower diameter of the central core of a diffractive pattern generated by the Bessel beams. The method relies on superposition of two or more Bessel beams with appropriately chosen amplitudes and widths. The disturbing(More)
In two separate studies, episodic semantic (verbal) and figural-memory abilities as measured by the Wechsler Memory Scale (Russell Method) are compared in middle-aged detoxified male alcoholics and controls. Both studies gave rise to similar findings. Alcoholics recalled significantly less verbal and figural material at both immediate recall and 30-min(More)
'Institute of Microelectronics and Optoelectronics, Warsaw University of Technology 00 662 Warsaw, ul. Koszykowa 75, Poland, phondfax: (+48) 22 628 87 40 e-mail: a.tyszka@mio.pw.edu.pl 'Institute of Electronic Materials Technology, 01 919 Warsaw, ul. Wrjlczyhska 133, Poland, phondfax: (+48) 22 349003 e-mail: p.szczepanski@imio.pw.edu.pl 'Institute of(More)
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