نتایج جستجو برای: 537
تعداد نتایج: 2213 فیلتر نتایج به سال:
(1993). Topographic normalization of TM scenes through the use of an atmospheric correction method and digital terrain models. A computer graphics based model for scattering from objects of arbitrary shapes in the optical region. Correction of atmospheric and topo-graphic effects for high spatial resolution satellite imagery. Fig. 2: a) Geocorrected Landsat-TM image from April 26th of the Davos...
TSP (P22 tailspike protein) is a well-established model system for studying the folding and assembly of oligomeric proteins, and previous studies have documented both in vivo and in vitro folding intermediates using this protein. Especially important is the C-terminus of TSP, which plays a critical role in the assembly and maturation of the protrimer intermediate to its final trimeric form. In ...
BACKGROUND Inherited retinal diseases (IRDs) are a clinically and genetically heterogeneous set of disorders, for which diagnostic second-generation sequencing (next-generation sequencing, NGS) services have been developed worldwide. METHODS We present the molecular findings of 537 individuals referred to a 105-gene diagnostic NGS test for IRDs. We assess the diagnostic yield, the spectrum of...
We show that the one dimensional unitary matrix model with potential of the form aU + bU2 + h.c. is integrable. By reduction to the dynamics of the eigenvalues, we establish the integrability of a system of particles in one space dimension in an external potential of the form a cos(x+α) + b cos(2x+ β) and interacting through two-body potentials of the inverse sine square type. This system const...
Talk presented by P.N. at “Mathematics and Physics of Strings,” Berkeley and “Topology and Geometry in Theoretical Physics,” Turku (Finland), 1991. Disciplines Physical Sciences and Mathematics | Physics This conference paper is available at ScholarlyCommons: http://repository.upenn.edu/physics_papers/537
Context. Within dense interstellar clouds, from their periphery to regions deep inside, ice mantles on dust grains are exposed to cosmic-ray irradiation. Various swift ions contribute from protons to iron in the keV to TeV energy range. Observations show that in some lines of sight condensed CO molecules are an important component of the ice. Aims. We irradiate CO ices with Ni ions of relativel...
The ability of androgens to inhibit apoptosis in both normal and malignant prostatic cells has been well documented. However, the underlying mechanisms are understood poorly. Here we demonstrated that forkhead transcription factor FKHR (FOXO1)-induced death of LNCaP cells was blocked by a synthetic androgen R1881. Androgen treatment also resulted in a reduction in transcriptional activity of FK...
Staphylococcus aureus is the leading cause of skin and soft tissue infections has become a major health burden due to emergence antibiotic-resistant strains. Tumor necrosis factor (TNF) proinflammatory cytokine that rapidly induced upon S. exposure whose inhibition associated with increased risk in humans. However, contribution TNF cognate receptors, TNFR1 TNFR2, host defense against unclear. T...
The acoustic losses in single crystals of manganese femtes were studied in the temperature range from 180 to 650 K by applying longitudinal vibrations of 150 kHz. Loss peaks were observed at 232 and 537 K with activation energies of 0.3 and 0.8 eV, respectively. The first loss peak at 232 K is regarded as a stress-induced relaxation of electrons between two and three-valent ions. The second pea...
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