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We have examined the role of DNA modification in X chromosome inactivation of fetal tissues of the mouse using DNA-mediated gene transfer for the gene hypoxanthine phosphoribosyltransferase (HPRT). Two types of tissues have been examined with respect to randomness of inactivation in 14-day mouse conceptuses: 1) fetal tissue, which undergoes random(More)
We have studied the stability, the electronic, and the magnetic properties of Co2MnSi(001) thin films for 15 different terminations using density functional theory calculations. The phase diagram obtained by ab initio atomistic thermodynamics shows that in practice the MnSi, pure Mn, or pure Si terminated surfaces can be stabilized under suitable(More)
We determine the detailed differences in geometry and band structure between wurtzite (Wz) and zinc blende (Zb) InAs nanowire (NW) surfaces using scanning tunneling microscopy/spectroscopy and photoemission electron microscopy. By establishing unreconstructed and defect-free surface facets for both Wz and Zb, we can reliably measure differences between(More)
The substrate lattice structure may have a considerable influence on the formation of quantum well states in a metal overlayer material. Here we study three model systems using angle resolved photoemission and low energy electron diffraction: indium films on Si(111) and indium and lead on Si(100). Data are compared with theoretical predictions based on(More)
An electrophoretic variation for hypoxanthine phosphoribosyltransferase, HPRT, has been identified in samples of Mus spretus, a field mouse from southern Europe and in M. m. castaneus, a house mouse from southeast Asia. These mice will interbreed with laboratory mice to produce viable, fertile F1 progeny. The variation for HPRT segregates as an X chromosome(More)
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