Science - USA (2020-03-13)

and is compatible with the mass spectrum measured by the Cometary Sampling and Composition (COSAC) experiment on Rosetta’s Phila ...

several ammonium salts, then NH 4 +would have a range of counter-ions, some of them N-bearing, which would raise the N/C ratio. ...

M. P. Callahanet al., Carbonaceous meteorites contain a wide range of extraterrestrial nucleobases.Proc. Natl. Acad. Sci. U.S.A ...

RESEARCH ARTICLE ◥ SPECTROSCOPY Quantum-nondemolition state detection and spectroscopy of single trapped molecules Mudit Sinhal, ...

referred to asj↓iCa,wheremdenotes the magnetic quantum number. The Ca+ion was then shelved in the metastablejD 5 = 2 ; m¼ 5 = 2 ...

the exact motional state was not critical for the present molecular-state-detection protocol, as shown below. TheODFwasimplement ...

theR 11 (1/2) transition (Figs. 1D and 2). The BSB pulse time,t 729 , was scanned in order to ob- serve Rabi oscillations, shown ...

measurement could be enhanced by using smaller detunings, but only at the expense of an increased probability of scattering a ph ...

ACKNOWLEDGMENTS We thank A. Johnson, P. Knöpfel, G. Martin, and G. Holderied for technical support.Funding:Funding was provided ...

FRUSTRATED MAGNETISM Realization of the kagome spin ice state in a frustrated intermetallic compound Kan Zhao^1 †, Hao Deng^2 , ...

lower temperatures (1.8 K in Fig. 1C), two ad- ditional small plateaus with a jump of ~1/6Ms appear at 0.9 and 3.2 T, respective ...

the magnetic peaks at (–1/3, 2/3, 1) (fig. S4B) and (1/3, 4/3, 1) versus the strength of the mag- netic field along thebaxis at ...

an ordered moment size ofM=(9/2)×1.7mB= 7.65mB, roughly consistent with that determined from neutron data at zero field [7.5(1)m ...

inelastic neutron scattering (INS) experiments of HoAgGe crystals using the time-of-flight spectrometer NEAT at Helmholtz Zentru ...

planes ( 31 ). Another piece of experimental evi- dence is the critical exponentb= 0.321(3) of the (1/3, 1/3, 0) peak intensity ...

STRUCTURAL BIOLOGY Structure of CD20 in complex with the therapeutic monoclonal antibody rituximab Lionel Rougé^1 , Nancy Chiang ...

The CD20 fold The RTX:CD20 complex is Y shaped, with the two RTX Fabs poised on the extracellular face of CD20. CD20 conforms to ...

The residues at this intersubunit interface are involved in hydrophobic and van der Waals in- teractions. In the intracellular h ...

the primary epitope on ECL2 (^170 ANPSE^174 ), a secondary ECL1-ECL2 epitope, and a direct homotypic Fab:Fab interface. The tota ...

as present on the nsEM grids (Fig. 5, B and C). To understand how these assemblies might re- late to RTX function, we endeavored ...