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Showing 1 to 12 of 6106 entries
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Exploring factors influencing the acceptance of visual programming environment among boys and girls in primary schools

STEM and boys

Cheng G.
GSID: vj_XtjPBqhEJ
G Cheng - Computers in Human Behavior, 2019 - Elsevier

… The second pertains to a wave of enthusiasm for STEM … among boys but not girls (H12 and H13, p < .01 for boys and p > .… behavioural intention to use VPE among boys and girls (H14,...

DNA binding, cleavage, and cytotoxic activity of the preorganized dinuclear zinc (II) complex of triazacyclononane derivatives

Broadening participation in STEM

Shao Y, Sheng X.
GSID: 58imhlSwuEwJ
X Sheng, X Guo, XM Lu, GY Lu, Y Shao… - Bioconjugate …, 2008 - ACS Publications

A preorganized cleft dinuclear zinc (II) complex of 2, 6-bis (1-methyl-1, 4, 7-triazacyclonon-1-yl) pyridine 1 as an artificial nuclease was prepared via an improved method. The interactions of 1, 2 [1, 4, 7-triazacyclononane (TACN)], and their zinc (II) complexes...

INTEGRATING DRONE TECHNOLOGY IN STEM EDUCATION: A CASE STUDY TO ASSESS TEACHERS'READINESS AND TRAINING NEEDS

discipline specific instruction (e.g., engineering curriculum, social science teachers, geology pedagogy)

Cheng G.
GSID: AfK_Hznf7CIJ
WS Ng, G Cheng - Issues in Informing Science & Information …, 2019 - search.ebscohost.com

… that teachers have developed a certain level of subject knowledge, pedagogical skills, and … education, ten pre-service teachers who were taking a bachelor program of information and … this study aimed to explore teachers’ readiness to use drone...

Cardiac proteomics reveals sex chromosome-dependent differences between males and females that arise prior to gonad formation

STEM and males

Sheng X, Shi W.
GSID: OMv36ddP6-gJ
W Shi, X Sheng, KM Dorr, JE Hutton, JI Emerson… - Developmental cell, 2021 - Elsevier

… conserved and those that diverge between males and females across heterogeneous populations… leads to cardiac abnormalities in females but not males. Taken together, these …

Diversification and conservation of the extraembryonic tissues in mediating nutrient uptake during amniote development

STEM and diversification

Sheng G.
GSID: Nt14IfQtp2QJ
G Sheng, AC Foley - Annals of the New York Academy of …, 2012 - Wiley Online Library

The transfer of nutrients from the mother through the chorioallantoic placenta meets the nutritional needs of the embryo during human prenatal development. Although all amniotes start …

Real-Time Head Pose Tracking with Online Face Template Reconstruction.

IEEE transactions on pattern analysis and machine intelligence

Li S, Ngan KN, Paramesran R, Sheng L.
PMID: 26584487
IEEE Trans Pattern Anal Mach Intell. 2016 Sep;38(9):1922-8. doi: 10.1109/TPAMI.2015.2500221. Epub 2015 Nov 12.

We propose a real-time method to accurately track the human head pose in the 3-dimensional (3D) world. Using a RGB-Depth camera, a face template is reconstructed by fitting a 3D morphable face model, and the head pose is determined...

Indirect growth of mesoporous Bi@C core-shell nanowires for enhanced lithium-ion storage.

Nanoscale

Dai R, Wang Y, Da P, Wu H, Xu M, Zheng G.
PMID: 25260037
Nanoscale. 2014 Nov 07;6(21):13236-41. doi: 10.1039/c4nr04378b.

In this paper, we propose a facile synthetic strategy for uniform bismuth@carbon (Bi@C) core-shell nanowires, which are prepared via controlled pyrolysis of Bi2S3@glucose-derived carbon-rich polysaccharide (GCP) nanowires under an inert atmosphere. Carbonization of GCP and pyrolysis of Bi2S3 into...

Embedded optical waveguides fabricated in SF10 glass by low-repetition-rate ultrafast laser.

Applied optics

Bai J, Long X, Liu X, Huo G, Zhao W, Stoian R, Hui R, Cheng G.
PMID: 24216582
Appl Opt. 2013 Oct 20;52(30):7288-94. doi: 10.1364/AO.52.007288.

Symmetric embedded waveguides were fabricated in heavy metal oxide SF10 glass using slit-shaped infrared femtosecond laser writing in the low-repetition frequency regime. The impact of the writing parameters on the waveguide formation in the transverse writing scheme was systemically...

Platinum-catalyzed asymmetric ring-opening reactions of oxabenzonorbornadienes with phenols.

The Journal of organic chemistry

Meng L, Yang W, Pan X, Tao M, Cheng G, Wang S, Zeng H, Long Y, Yang D.
PMID: 25679332
J Org Chem. 2015 Mar 06;80(5):2503-12. doi: 10.1021/acs.joc.5b00065. Epub 2015 Feb 20.

A platinum(II)-catalyzed asymmetric ring opening of oxabenzonorbornadienes with phenols was developed, which afforded the corresponding cis-2-(un)substituted phenoxy-1,2-dihydronaphthalen-1-ol products rather than the trans ones in excellent yields (up to 99%) with moderate to good enantioselectivities (up to 87% ee) under...

Recovering higher dimensional image data using multiplexed structured illumination.

Optics express

Dong S, Guo K, Jiang S, Zheng G.
PMID: 26698518
Opt Express. 2015 Nov 16;23(23):30393-8. doi: 10.1364/OE.23.030393.

Structured illumination (SI) using non-uniform intensity patterns is well-known for improving lateral resolution in microscopy. Here, we propose a multiplexed SI technique for recovering images with higher lateral resolution and with higher dimensional information at the same time. In...

From 1-Sulfonyl-4-aryl-1,2,3-triazoles to 1-Allenyl-5-aryl-1,2,3-triazoles.

The Journal of organic chemistry

Huang K, Sheng G, Lu P, Wang Y.
PMID: 28474887
J Org Chem. 2017 May 19;82(10):5294-5300. doi: 10.1021/acs.joc.7b00627. Epub 2017 May 10.

An efficient and highly regioselective synthesis of 1-allenyl-5-aryl-1,2,3-triazoles from 1-sulfonyl-4-aryl-1,2,3-triazoles is disclosed. 1-Sulfonyl-4-aryl-1,2,3-triazoles reacted with propargylic alcohols in the presence of trifluoroboron etherate to furnish 1-allenyl-5-aryl-1,2,3-triazoles. When secondary alcohols were used as substrate, the outcome of the reaction was...

Distinguishing Lead and Molecule States in Graphene-Based Single-Electron Transistors.

ACS nano

Gehring P, Sowa JK, Cremers J, Wu Q, Sadeghi H, Sheng Y, Warner JH, Lambert CJ, Briggs GAD, Mol JA.
PMID: 28423272
ACS Nano. 2017 Jun 27;11(6):5325-5331. doi: 10.1021/acsnano.7b00570. Epub 2017 Apr 21.

Graphene provides a two-dimensional platform for contacting individual molecules, which enables transport spectroscopy of molecular orbital, spin, and vibrational states. Here we report single-electron tunneling through a molecule that has been anchored to two graphene leads. Quantum interference within...

Showing 1 to 12 of 6106 entries