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  1. No Access

    Article

    Employment of liver tissue slice analysis to assay hepatotoxicity linked to replicative and nonreplicative adenoviral agents

    Whereas virotherapy has emerged as a novel and promising approach for neoplastic diseases, appropriate model systems have hampered preclinical evaluation of candidate conditionally replicative adenovirus agent...

    M A Stoff-Khalili, A A Rivera, L P Le, A Stoff, M Everts… in Cancer Gene Therapy (2006)

  2. No Access

    Article

    Infectivity enhancement for adenoviral transduction of canine osteosarcoma cells

    The full realization of conditionally replicative adenoviruses (CRAds) for cancer therapy has been hampered by the limited knowledge of CRAd function in vivo and particularly in an immunocompetent host. To addres...

    L P Le, A A Rivera, J N Glasgow, V V Ternovoi, H Wu, M Wang, B F Smith… in Gene Therapy (2006)

  3. No Access

    Article

    A human adenoviral vector with a chimeric fiber from canine adenovirus type 1 results in novel expanded tropism for cancer gene therapy

    The development of novel therapeutic strategies is imperative for the treatment of advanced cancers like ovarian cancer and glioma, which are resistant to most traditional treatment modalities. In this regard,...

    M A Stoff-Khalili, A A Rivera, J N Glasgow, L P Le, A Stoff, M Everts… in Gene Therapy (2005)

  4. No Access

    Article

    μSR studies of Li‐doped La2CuO4

    Magnetic properties of the Li‐doped cuprates La2Cu1-xLixO4 (where x=0.01,\ 0.05,\ 0.10,\ 0.45, and 0.50) have been studied by μSR. For low Li concentrations (x\Eleq 0.10) we find a rapid suppression of TN as x in...

    L.P. Le, R.H. Heffner, D.E. Maclaughlin, K. Kojima, G.M. Luke… in Hyperfine Interactions (1997)

  5. No Access

    Article

    Search for magnetic order in undoped and doped spin‐gap systems by μSR

    We introduce our μSR investigations of spin‐gap systems, such as, (1) a 2‐leg spin‐ladder material SrCu2O3, (2) a Haldane material (S=1 spin‐chain) Y2BaNiO5, (3) a spin‐Peierls material CuGeO3, (4) a spin‐chain# ...

    K. Kojima, A. Keren, L.P. Le, M. Larkin, G.M. Luke, B. Nachumi… in Hyperfine Interactions (1997)

  6. No Access

    Article

    μSR studies of borocarbides

    The muon‐spin‐relaxation technique has been utilized to characterize the magnetic properties of the borocarbide compounds RNi2B2C ( R=\,Tm, Er, Ho and Dy), which exhibit coexistence of superconductivity and magne...

    L.P. Le, R.H. Heffner, J.D. Thompson, G.J. Nieuwenhuys… in Hyperfine Interactions (1997)

  7. No Access

    Article

    Zero‐field μ+SR study of the colossal magnetoresistance material La0.67Ca0.33MnO3

    Zero‐field μ+SR and resistivity experiments on La0.67Ca0.33MnO3 powder show that the ferromagnetic transition temperature (TC=274\ K) and resistivity peak temperature coincide to within 1 K, about 10 K higher tha...

    R.H. Heffner, L.P. Le, M.F. Hundley, J.J. Neumeier, G.M. Luke… in Hyperfine Interactions (1997)

  8. No Access

    Article

    In‐situ temperature calibration below 1 K using the μ+ Knight shift in CMN

    We present μ+ paramagnetic shift measurements between 12 K and about 65 mK in cerium magnesium nitrate (CMN) to investigate its utility as an in‐situ temperature calibration source for low temperature μSR experim...

    R.H. Heffner, L.P. Le, G.J. Nieuwenhuys, D.E. Maclaughlin… in Hyperfine Interactions (1997)

  9. No Access

    Article

    Muon spin relaxation in heavy fermion systems

    Heavy fermion systems have received a great deal of study by a wide variety of techniques, includingμSR. In a number of systems, coexisting superconducting and magnetic states have been reported, leading to specu...

    G. M. Luke, A. Keren, L. P. Le, Y. J. Uemura, W. D. Wu, D. Bonn… in Hyperfine Interactions (1994)

  10. No Access

    Article

    Muon spin relaxation measurements in kagomé lattice system SrCr8Ga4O19

    Dynamical spin fluctuations in SrCr8−xGa4+xO19 a frustrated spin system on a kagomé lattice, is examined by the longitudinal field muon spin relaxation technique. This system shows a spin-glass (SG)-like cusp in ...

    A. Keren, L. P. Le, G. M. Luke, W. D. Wu, Y. J. Uemura, Y. Ajiro… in Hyperfine Interactions (1994)

  11. No Access

    Article

    μSR studies in an I2-doped phenylenediamine polymer

    We report μSR studies of the recently synthesized I2-doped phenylenediamine polymer. Longitudinal-field spectra exhibit typical behavior of a spin-glass with a freezing temperatureT g ∼ 100 K and a spontaneous st...

    L. P. Le, A. Keren, G. M. Luke, W. D. Wu, Y. J. Uemura… in Hyperfine Interactions (1994)

  12. No Access

    Article

    Muon spin relaxation studies in frustrated and/or low-dimensional spin systems

    An overview is given on muon spin relaxation (μSR) measurements in frustrated and/or low dimensional spin systems. In the frustrated Kagomé lattice system SrCr8Ga4O19, we observed dynamic spin fluctuations of ∼ 3...

    Y. J. Uemura, A. Keren, L. P. Le, G. M. Luke, B. J. Sternlieb… in Hyperfine Interactions (1994)

  13. No Access

    Article

    Explaining μ+ spin-lattice relaxation in MnF2, belowT N, by scattering function

    A relation between the spin-lattice relaxation rate (1/T 1) of positive muons and the scattering functionS ⊥ T (q,ω) is derived for the antiferromagnet MnF2. ...

    A. Keren, L. P. Le, G. M. Luke, W. D. Wu, Y. J. Uemura in Hyperfine Interactions (1994)

  14. No Access

    Article

    μSR studies in the heavy fermion systems UNi2Al3, UPd2Al3 and U2PtC2

    We have performed Muon Spin Relaxation (μSR) measurements of several heavy fermion systems: UNi2Al3 (single crystal), UPd2Al3 (single crystal) and U2PtC2 (polycrystal). ZF -μSR measurements of UNi2Al3 show magnet...

    W. D. Wu, A. Keren, L. P. Le, G. M. Luke, B. J. Sternlieb… in Hyperfine Interactions (1994)

  15. No Access

    Article

    Magnetic penetration depth in V3Si and LiTi2O4 measured by μSR

    Muon spin relaxation (μSR) studies have been performed in the normal spinel LiTi2O4 and the A-15 superconductor V3Si to measure the magnetic penetration depth λ. The relaxation rateσ(T) ∝ 1/λ2 in field-cooled mea...

    W. D. Wu, A. Keren, L. P. Le, G. M. Luke, B. J. Sternlieb… in Hyperfine Interactions (1994)

  16. No Access

    Article

    Magnetic-field penetration depth in TI2Ba2CuO6+δ in the overdoped regime

    THE magnetic field penetration depth λ is a basic parameter of superconductivity, related to ns/m* (superconducting carrier density/effective mass) as λ-2 ∝ ns/m* in the limit where the coherence length ζ is much...

    Y. J. Uemura, A. Keren, L. P. Le, G. M. Luke, W. D. Wu, Y. Kubo, T. Manako… in Nature (1993)

  17. No Access

    Article

    μ+SR study of two-dimensional antiferromagnets, delafossite-type compounds

    μ+SR experiments were performed on delafossite-type compounds, CuCrO2, AgCrO2, CuFeO2, which are model compounds of triangular lattice antiferromagnets. The initial asymmetries are much smaller than the expected ...

    M. Mekata, N. Yaguchi, H. Kuriyama, T. Asano, K. Nagamine… in Hyperfine Interactions (1993)

  18. No Access

    Article

    Magnetic-field penetration depth in K3C60 measured by muon spin relaxation

    THE discovery1–3 of superconductivity in C60 doped with the alkali metals potassium and rubidium has introduced a new family of three-dimensional molecular superconductors4. The potassium-doped compound3 K3C60 ha...

    Y. J. Uemura, A. Keren, L. P. Le, G. M. Luke, B. J. Sternlieb, W. D. Wu… in Nature (1991)

  19. No Access

    Article

    Search for magnetic fields due to anyons in high-T c superconductors

    We have searched for anomalous internal magnetic fields in highT c materials which are predicted to occur in anyon and flux phase models of superconductivity. The magnitude, anisotropy and...

    R. F. Kiefl, J. H. Brewer, I. Affleck, J. F. Carolan, P. Dosanjh… in Hyperfine Interactions (1991)

  20. No Access

    Article

    Quantum diffusion of the positive muon in the superconducting state of Al

    We report low temperature studies of muon diffusion and trap** in Al doped with Li impurities. The trap** rate at Li and the deduced muon diffusion rate increase more rapidly with decreasing temperature in...

    R. Kadono, R. F. Kiefl, S. R. Kreitzman, Q. Li, T. Pfiz… in Hyperfine Interactions (1991)

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