Science - USA (2019-01-18)
SOLAR CELLS AEu 3+ -Eu 2+ ion redox shuttle imparts operational durability to Pb-I perovskite solar cells Ligang Wang^1 , Huanpi ...
the sample solution gradually turned from black to colorless with a large amount of yellow precipi- tates after 60 min, whereas ...
because I^0 species are volatile during the anneal- ing process of perovskite film preparation. Thus, we examined the ratio of I ...
observe obvious orientation variation by synchro- tron grazing-incidence wide-angle x-ray scattering (GIWAXS) analysis (Fig. 3B ...
which is attributed to the effective defects elimination. We attributed the decreased PCE in Fe3+-incorporated devices to the ad ...
REFERENCES AND NOTES A. Kojima, K. Teshima, Y. Shirai, T. Miyasaka, J. Am. Chem. Soc. 131 , 6050–6051 (2009). M. M. Lee, J. Teu ...
ORGANIC CHEMISTRY Concise total syntheses of (–)-jorunnamycin A and (–)-jorumycin enabled by asymmetric catalysis Eric R. Welin^ ...
With working routes to both isoquinoline monomers in hand, we turned our attention to the palladium-catalyzed cross-coupling re- ...
B-ring secondary amine, and we expected lac- tamization to be rapid. If successful, this self- reinforcing diastereoselectivity ...
From here, we once again turned to catalysis, this time for the oxygenation of aryl halides. After extensive investigation, we f ...
diminished activity, we were surprised to find that compound 33 featuring only E-ring oxy- genation maintained a similar activit ...
W. Liuet al.,Tetrahedron 68 , 2759–2764 (2012). R.Chen,H.Liu,X.Chen,J. Nat. Prod. 76 ,1789– 1795 (2013). N. Saitoet al.,Tetrahe ...
NEUROSCIENCE An amygdalar neural ensemble that encodes the unpleasantness of pain Gregory Corder1,2,3,4†, Biafra Ahanonu5,6,7, B ...
expressed the negative valence marker gene Rspo2but not the positive valence marker gene Pppr1b( 24 ) (fig. S1, D and E). We nex ...
with even higher fidelity from innocuous, non- nociceptive aversive, and appetitive stimuli (Fig. 1L and fig. S9, A and B), indi ...
sucrose reward-related information were en- coded in divergent networks (Fig. 1J), we tested the contribution of the nociceptive ...
the behavioral responses and the BLA nocicep- tive ensemble Ca2+activity were significantly correlated before and after injury ( ...
various thermal and mechanical nociceptive stimuli. These codes likely represent stimulus modality, intensity, salience, and val ...
BIODIVERSITY Agriculturally dominated landscapes reduce bee phylogenetic diversity and pollination services Heather Grab^1 *, Mi ...
closely related species responded more sim- ilarly than species pairs selected at random (Blomberg’sK=0.23,P= 0.049) (Fig. 1). T ...
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