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Showing 1 to 12 of 356 entries
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Fostering sustainable improvements in science education: An analysis through four frames

STEM education

Ngai C, Pilgrim ME, Quan G, Reinholz DL.
GSID: Veex9lbd-wgJ
DL Reinholz, C Ngai, G Quan, ME Pilgrim… - Science …, 2019 - Wiley Online Library

There is a pressing need to improve the sustainability of educational improvement efforts, but sustainability remains undertheorized in science education. In this article, we draw upon …

UBE2D3 is a positive prognostic factor and is negatively correlated with hTERT expression in esophageal cancer.

Oncology letters

Guan GG, Wang WB, Lei BX, Wang QL, Wu L, Fu ZM, Zhou FX, Zhou YF.
PMID: 25789002
Oncol Lett. 2015 Apr;9(4):1567-1574. doi: 10.3892/ol.2015.2926. Epub 2015 Feb 03.

Human telomerase reverse transcriptase (hTERT) is a critical factor in unlimited cell proliferation and immortalization, with numerous studies demonstrating that high expression of hTERT is a poor prognostic factor in various types of cancer. Ubiquitin-conjugating enzyme E2D 3 (UBE2D3)...

Diffusion-Controlled Rotation of Triptycene in a Metal-Organic Framework (MOF) Sheds Light on the Viscosity of MOF-Confined Solvent.

ACS central science

Jiang X, Duan HB, Khan SI, Garcia-Garibay MA.
PMID: 27725958
ACS Cent Sci. 2016 Sep 28;2(9):608-613. doi: 10.1021/acscentsci.6b00168. Epub 2016 Aug 23.

Artificial molecular machines are expected to operate under conditions of very low Reynolds numbers with inertial forces orders of magnitude smaller than viscous forces. While these conditions are relatively well understood in bulk fluids, opportunities to assess the role...

Diversity of fish sound types in the Pearl River Estuary, China.

PeerJ

Wang ZT, Nowacek DP, Akamatsu T, Wang KX, Liu JC, Duan GQ, Cao HJ, Wang D.
PMID: 29085746
PeerJ. 2017 Oct 24;5:e3924. doi: 10.7717/peerj.3924. eCollection 2017.

BACKGROUND: Repetitive species-specific sound enables the identification of the presence and behavior of soniferous species by acoustic means. Passive acoustic monitoring has been widely applied to monitor the spatial and temporal occurrence and behavior of calling species.METHODS: Underwater biological...

Corrigendum: Three Dimensional Hybrids of Vertical Graphene-nanosheet Sandwiched by Ag-nanoparticles for Enhanced Surface Selectively Catalytic Reactions.

Scientific reports

Zhao J, Sun M, Liu Z, Quan B, Gu C, Li J.
PMID: 26740378
Sci Rep. 2016 Jan 07;6:17239. doi: 10.1038/srep17239.

No abstract available.

Wafer-scale double-layer stacked Au/Al2O3@Au nanosphere structure with tunable nanospacing for surface-enhanced Raman scattering.

Small (Weinheim an der Bergstrasse, Germany)

Hu Z, Liu Z, Li L, Quan B, Li Y, Li J, Gu C.
PMID: 24995658
Small. 2014 Oct 15;10(19):3933-42. doi: 10.1002/smll.201400509. Epub 2014 Jul 03.

Fabricating perfect plasmonic nanostructures has been a major challenge in surface enhanced Raman scattering (SERS) research. Here, a double-layer stacked Au/Al2O3@Au nanosphere structures is designed on the silicon wafer to bring high density, high intensity "hot spots" effect. A...

28 Gb/s direct modulation heterogeneously integrated C-band InP/SOI DFB laser.

Optics express

Abbasi A, Verbist J, Van Kerrebrouck J, Lelarge F, Duan GH, Yin X, Bauwelinck J, Roelkens G, Morthier G.
PMID: 26480161
Opt Express. 2015 Oct 05;23(20):26479-85. doi: 10.1364/OE.23.026479.

We demonstrate direct modulation of a heterogeneously integrated C-band DFB laser on SOI at 28 Gb/s with a 2 dB extinction ratio. This is the highest direct modulation bitrate so far reported for a membrane laser coupled to an...

Controllable two-scale network architecture and enhanced mechanical properties of (Ti5Si3+TiBw)/Ti6Al4V composites.

Scientific reports

Jiao Y, Huang LJ, Duan TB, Wei SL, Kaveendran B, Geng L.
PMID: 27622992
Sci Rep. 2016 Sep 13;6:32991. doi: 10.1038/srep32991.

Novel Ti6Al4V alloy matrix composites with a controllable two-scale network architecture were successfully fabricated by reaction hot pressing (RHP). TiB whiskers (TiBw) were in-situ synthesized around the Ti6Al4V matrix particles, and formed the first-scale network structure (FSNS). Ti5Si3 needles...

Apparent source levels and active communication space of whistles of free-ranging Indo-Pacific humpback dolphins (Sousa chinensis) in the Pearl River Estuary and Beibu Gulf, China.

PeerJ

Wang ZT, W L Au W, Rendell L, Wang KX, Wu HP, Wu YP, Liu JC, Duan GQ, Cao HJ, Wang D.
PMID: 26893973
PeerJ. 2016 Feb 15;4:e1695. doi: 10.7717/peerj.1695. eCollection 2016.

Background. Knowledge of species-specific vocalization characteristics and their associated active communication space, the effective range over which a communication signal can be detected by a conspecific, is critical for understanding the impacts of underwater acoustic pollution, as well as...

Location of Si vacancies and [Ti(OSi)4] and [Ti(OSi)3OH] sites in the MFI framework: a large cluster and full ab initio study.

The journal of physical chemistry. A

Yuan S, Si H, Fu A, Chu T, Tian F, Duan YB, Wang J.
PMID: 21214280
J Phys Chem A. 2011 Feb 10;115(5):940-7. doi: 10.1021/jp110977m. Epub 2011 Jan 10.

Titanium silicalite-1 (TS-1) is an important catalyst for selective oxidation reactions. However, the nature and structure of the active sites and the mechanistic details of the catalytic reactions over TS-1 have not been well-understood, leaving a continuous debate on...

A low-dimensional molecular spin system with two steps of magnetic transitions and liquid crystal property.

Dalton transactions (Cambridge, England : 2003)

Duan HB, Ren XM, Shen LJ, Jin WQ, Meng QJ, Tian ZF, Zhou SM.
PMID: 21380406
Dalton Trans. 2011 Apr 14;40(14):3622-30. doi: 10.1039/c0dt01704c. Epub 2011 Mar 04.

A low-dimensional compound [C(6)-Apy][Ni(mnt)(2)] (1, where mnt(2-) = maleonitriledithiolate, C(6)-Apy(+) = 4-amino-1-hexylpyridinium) has been designed and synthesized, which has layer arrangement of anions and cations and shows two steps of magnetic transitions. The low temperature magnetic transition has an...

11H-Dibenzo[b,e]azepine-6-carbonitrile.

Acta crystallographica. Section E, Structure reports online

Fan GD, Xiao YL, You GR, Duan GY.
PMID: 21580988
Acta Crystallogr Sect E Struct Rep Online. 2008 Oct 18;64:o2126. doi: 10.1107/S1600536808033072.

The title compound, C(15)H(10)N(2), crystallizes with two independent mol-ecules in the asymmetric unit. The two benzene rings make dihedral angles of 60.32 (2) and 61.35 (3)°. The crystal packing is stabilized by weak π-π stacking inter-actions [centroid-to-centroid distances =...

Showing 1 to 12 of 356 entries