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Showing 1 to 12 of 648 entries
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Cosmic-ray positron energy spectrum measured by PAMELA.

Physical review letters

Adriani O, Barbarino GC, Bazilevskaya GA, Bellotti R, Bianco A, Boezio M, Bogomolov EA, Bongi M, Bonvicini V, Bottai S, Bruno A, Cafagna F, Campana D, Carbone R, Carlson P, Casolino M, Castellini G, De Donato C, De Santis C, De Simone N, Di Felice V, Formato V, Galper AM, Karelin AV, Koldashov SV, Koldobskiy SA, Krutkov SY, Kvashnin AN, Leonov A, Malakhov V, Marcelli L, Martucci M, Mayorov AG, Menn W, Mergé M, Mikhailov VV, Mocchiutti E, Monaco A, Mori N, Munini R, Osteria G, Palma F, Papini P, Pearce M, Picozza P, Pizzolotto C, Ricci M, Ricciarini SB, Rossetto L, Sarkar R, Scotti V, Simon M, Sparvoli R, Spillantini P, Stochaj SJ, Stockton JC, Stozhkov YI, Vacchi A, Vannuccini E, Vasilyev GI, Voronov SA, Yurkin YT, Zampa G, Zampa N, Zverev VG.
PMID: 24010424
Phys Rev Lett. 2013 Aug 23;111(8):081102. doi: 10.1103/PhysRevLett.111.081102. Epub 2013 Aug 19.

Precision measurements of the positron component in the cosmic radiation provide important information about the propagation of cosmic rays and the nature of particle sources in our Galaxy. The satellite-borne experiment PAMELA has been used to make a new...

Diastereoselective Synthesis of Dispirobarbiturates through Et3N-Catalyzed [3 + 2] Cycloaddition of Barbiturate-Based Olefins with 3-Isothiocyanato Oxindoles.

The Journal of organic chemistry

Zhao HW, Tian T, Li B, Yang Z, Pang HL, Meng W, Song XQ, Chen XQ.
PMID: 26402054
J Org Chem. 2015 Oct 16;80(20):10380-5. doi: 10.1021/acs.joc.5b01810. Epub 2015 Oct 07.

Under catalysis of 10 mol % of Et3N, the [3 + 2] cycloaddition of barbiturate-based olefins with 3-isothiocyanato oxindoles underwent smoothly and afforded the desired dispirobarbiturates in up to 99% yield with up to 99:1 dr. The relative configuration...

Photovoltaic Properties of Two-Dimensional (CH3NH3)2Pb(SCN)2I2 Perovskite: A Combined Experimental and Density Functional Theory Study.

The journal of physical chemistry letters

Xiao Z, Meng W, Saparov B, Duan HS, Wang C, Feng C, Liao W, Ke W, Zhao D, Wang J, Mitzi DB, Yan Y.
PMID: 26975723
J Phys Chem Lett. 2016 Apr 07;7(7):1213-8. doi: 10.1021/acs.jpclett.6b00248. Epub 2016 Mar 17.

We explore the photovoltaic-relevant properties of the 2D MA2Pb(SCN)2I2 (where MA = CH3NH3(+)) perovskite using a combination of materials synthesis, characterization and density functional theory calculation, and determine electronic properties of MA2Pb(SCN)2I2 that are significantly different from those previously...

A novel p-LaFeO3/n-Ag3PO4 heterojunction photocatalyst for phenol degradation under visible light irradiation.

Chemical communications (Cambridge, England)

Yang J, Hu R, Meng W, Du Y.
PMID: 26753187
Chem Commun (Camb). 2016 Feb 11;52(12):2620-3. doi: 10.1039/c5cc09222a. Epub 2016 Jan 11.

A novel heterojunction photocatalyst p-LaFeO3/n-Ag3PO4 has been prepared via a facile in situ precipitation method. It exhibits higher activity than individual Ag3PO4 and LaFeO3 in the degradation of phenol. The excellent activity is mainly attributed to its more effective...

Muscarinic Receptors Are Responsible for the Cholinergic Modulation of Projection Neurons in the Song Production Brain Nucleus RA of Zebra Finches.

Frontiers in cellular neuroscience

Meng W, Wang S, Yao L, Zhang N, Li D.
PMID: 28293176
Front Cell Neurosci. 2017 Feb 28;11:51. doi: 10.3389/fncel.2017.00051. eCollection 2017.

Songbirds are a useful model for the study of learned vocal behavior in vertebrates. The robust nucleus of the arcopallium (RA) is a premotor nucleus in the vocal motor pathway. It receives excitatory synaptic inputs from the anterior forebrain...

Investigation of bandwidth loading in optical fibre transmission using amplified spontaneous emission noise.

Optics express

Elson DJ, Saavedra G, Shi K, Semrau D, Galdino L, Killey R, Thomsen BC, Bayvel P.
PMID: 29041146
Opt Express. 2017 Aug 07;25(16):19529-19537. doi: 10.1364/OE.25.019529.

The use of spectrally shaped amplified spontaneous emission noise (SS-ASE) as a method for emulating interfering channels in optical fibre transmission systems has been studied. It is shown that the use of SS-ASE leads to a slightly pessimistic performance...

Changes in Brain Lateralization in Patients with Mild Cognitive Impairment and Alzheimer's Disease: A Resting-State Functional Magnetic Resonance Study from Alzheimer's Disease Neuroimaging Initiative.

Frontiers in neurology

Liu H, Zhang L, Xi Q, Zhao X, Wang F, Wang X, Men W, Lin Q.
PMID: 29472886
Front Neurol. 2018 Feb 08;9:3. doi: 10.3389/fneur.2018.00003. eCollection 2018.

PURPOSE: To detect changes in brain lateralization in patients with mild cognitive impairment (MCI) and Alzheimer's disease (AD) using resting-state functional magnetic resonance imaging (fMRI).MATERIALS AND METHODS: Data from 61 well-matched right-handed subjects were obtained from the Alzheimer's Disease...

Developmental and Individual Differences in Chinese Writing.

Reading and writing

Guan CQ, Ye F, Wagner RK, Meng W.
PMID: 26038631
Read Writ. 2013 Jul 01;26(6):1031-1056. doi: 10.1007/s11145-012-9405-4.

The goal of the present study was to examine the generalizability of a model of the underlying dimensions of written composition across writing systems (Chinese Mandarin vs. English) and level of writing skill. A five-factor model of writing originally...

Proton therapy may allow for comprehensive elective nodal coverage for patients receiving neoadjuvant radiotherapy for localized pancreatic head cancers.

Journal of gastrointestinal oncology

Lee RY, Nichols RC, Huh SN, Ho MW, Li Z, Zaiden R, Awad ZT, Ahmed B, Hoppe BS.
PMID: 24294509
J Gastrointest Oncol. 2013 Dec;4(4):374-9. doi: 10.3978/j.issn.2078-6891.2013.043.

BACKGROUND: Neoadjuvant radiotherapy has the potential to improve local disease control for patients with localized pancreatic cancers. Concern about an increased risk of surgical complications due to small bowel and gastric exposure, however, has limited enthusiasm for this approach....

Guest-induced transformation of a porphyrin-edged Fe(II)4L6 capsule into a Cu(I)Fe(II)2L4 fullerene receptor.

Angewandte Chemie (International ed. in English)

Wood DM, Meng W, Ronson TK, Stefankiewicz AR, Sanders JK, Nitschke JR.
PMID: 25655272
Angew Chem Int Ed Engl. 2015 Mar 23;54(13):3988-92. doi: 10.1002/anie.201411985. Epub 2015 Feb 05.

The combination of a bent diamino(nickel(II) porphyrin) with 2-formylpyridine and Fe(II) yielded an Fe(II) 4 L6 cage. Upon treatment with the fullerenes C60 or C70 , this cage was found to transform into a new host-guest complex incorporating three...

Hydroboration of CO.

Dalton transactions (Cambridge, England : 2003)

Liu T, Meng W, Ma QQ, Zhang J, Li H, Li S, Zhao Q, Chen X.
PMID: 28304030
Dalton Trans. 2017 Apr 05;46(14):4504-4509. doi: 10.1039/c7dt00490g.

We report the hydroboration of CO

Preparation of silver colloids with improved uniformity and stable surface-enhanced Raman scattering.

Nanoscale research letters

Meng W, Hu F, Jiang X, Lu L.
PMID: 25852331
Nanoscale Res Lett. 2015 Feb 05;10:34. doi: 10.1186/s11671-015-0746-1. eCollection 2015.

Silver colloids of uniform shape and size are prepared by a two-step reduction. Small silver particles form initially by the rapid reduction of silver nitrate with sodium citrate at 100°C and then grow at 92°C. The reaction processes and...

Showing 1 to 12 of 648 entries