Copyright C 2015 by Korean Society of Spine Surgery This is an Open Access article distributed under the terms of the Creative Commons Attribution Non-Commercial License (http://creativecommons.org/licenses/by-nc/3.0/) which permits unrestricted non-commercial use, distribution, and reproduction in any medium, provided the original work is properly cited. Asian Spine Journal • pISSN 1976-1902 e...

We describe an ultramicromethod for measurement of terminal deoxynucleotidyl transferase activity. The materials used are as proposed by Hösli (Clin Chem 1977;23:1476-84) for antenatal diagnosis. The technique is based on the methods of Beutler and Kuhl (Am J Clin Pathol 1978;70:733-7) and Yasmineh et al. (Clin Chem 1980; 26:891-5). The procedure makes it possible to reduce the blood sample to ...

The electron microprobe provides a complete micron-scale quantitative chemical analysis of inorganic solids. The method is nondestructive and utilizes characteristic x-rays excited by an electron beam, incident on a flat surface of the sample. This course will provide an introduction to the theory of x-ray microanalysis by wavelength and energy dispersive spectrometry (WDS and EDS), ZAF matrix ...

The Streptococcus faecalis sex pheromone, cAM373, which induces a mating response of donor cells harboring plasmid pAM373 and is also produced by Staphylococcus aureus, was isolated and its structure determined. Supernatant from an overnight culture of a recipient strain was subjected to successive purification procedures, and 4.4 micrograms cAM373 was obtained. The isolated pheromone showed ac...

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Modulo is a target of Myc selectively required for growth of proliferative cells in Drosophila 645 Abnormal blood vessel development in mice lacking presenilin-1 657 Trl-GAGA directly interacts with lola like and both are part of the repressive complex of Polycomb group of genes 681 A critical period for retinoic acid teratogenesis and loss of neurophilic migration of pontine nuclei neurons 701...

[1] In this case, an artist and the organization that hired him to produce a sculpture contest the ownership of the copyright in that work. To resolve this dispute, we must construe the "work made for hire" provisions of the Copyright Act of 1976 (Act or 1976 Act), 17 U.S.C. §§ 101 and 201(b), and in particular, the provision in § 101, which defines as a "work made for hire" a "work prepared by...

A new in situ fluorometer for the detection of oceanic photosynthetic pigment fluorescence is described. Emission spectra from 546 to 733 nm are recorded for each of three different visible excitation bands ten times a second. A Spectralon cell is used to improve the excitation coupling to and the collection efficiency from the sample volume. Laboratory tests demonstrated that the fluorescence ...

The aim of the chapter is to give a complete survey of Computer Aided Surgery (CAS) systems in dental implantology from the different 3D visualization technologies to the different available approaches for implant planning data transfer to the corresponding anatomical patient ́s sites. Focus will be on the illumination of advantages and disadvantages for the different systems components. Further...

We give an overview of various Lanczos/Krylov space methods and how they are being used for solving certain problems in Control Systems Theory based on state-space models. The matrix methods used are based on Krylov sequences and are closely related to modern iterative methods for standard matrix problems such as sets of linear equations and eigenvalue calculations. We show how these methods ca...