We present the discovery of a dusty quasar, SMM J04135+10277, located behind the galaxy cluster Abell 478. The quasar was discovered as the brightest source in a submillimetre survey of high redshift galaxies lensed by foreground rich clusters of galaxies in a project aimed at studying the cosmic star formation history of dusty galaxies. With submillimetre fluxes of S 850 = 25 ± 2.8 mJy and S 4...

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An observation of Mrk 478 using the Chandra Low Energy Transmission Grating Spectrometer is presented. The source exhibited 30-40% flux variations on timescales of ∼ 10 s together with a slow decline in the spectral softness over the full 80 ks observation. The 0.15–3.0 keV spectrum is well fitted by a single power law with photon index Γ = 2.91± 0.03. Combined with high energy data from BeppoS...

Emission from the P1 − 3 P0 [CI] transition at 492 GHz has been detected towards the dark cloud D478 in the Local Group galaxy M 31. Using literature detections of the lower CO and CO transitions, models for the gas distribution in D 478 are discussed. The observed CO and C line ratios can be explained by twocomponent models (high density cores and low-density envelopes); single-density models ...

Enantiopure dinuclear ruthenium polypyridyl complexes of the form [Ru(2)(LL)(4)L(1)](PF(6))(4) (LL = 2,2'-bipyridine (bpy) or 1,10-phenanthroline (phen); L(1)= C(25)H(20)N(4) a bis(pyridylimine) ligand containing a diphenylmethane spacer) have been synthesized using the chiral building blocks cis-[Ru(bpy)(2)(py)(2)](2+) and cis-[Ru(phen)(2)(py)(2)](2+). These dinuclear ruthenium complexes have ...

Retinal extracts of Gekko gekko were found to contain two retinene(1) photopigments, one with maximum absorption at about 521 mmicro, the second with a maximum in the region of 478 mmicro. These pigments were assayed by the method of partial bleaching and their spectral characteristics studied by examining their difference spectra. The 478 mmicro pigment was present in the extracts as 8 per cen...

The Wnt/β-catenin signaling pathway plays a key role during embryonic development, homeostasis and cancer. of β-catenin in melanocyte lineage establishment has been elucidated, but its melanoma remains poorly defined. In particular, function cell invasion is controversial. Especially, we generated signature activation to emerge proteins interest including known target genes (AXIN2, APCDD1, NKD1...