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Showing 1 to 12 of 1193 entries
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The sequential analysis of group interaction and critical thinking in online

instructional interventions

Jeong AC.
GSID: Mm-m8y38UKgJ
AC Jeong - The American Journal of Distance Education, 2003 - Taylor & Francis

… the basis for more systematic testing of instructional interventions and computer-conferencing technologies. … instructional interventions, discourse structures, and communication technologies on group interactions and learning outcomes. In this study, minimal interventions were …

Exploring Learning Assistant Beliefs in the Context of Pedagogical Training and Instructional Practice

Asset based approaches STEM training

Jeong BC.
GSID: 1vv4gic3ZhkJ
BC Jeong - 2021 - ir.library.oregonstate.edu

… of asset-based approach which focused not on the individual student’s assets, but rather the group’s collective assets. … In some cases, the LA’s deficit-based approach to feedback stems …

Enhanced power conversion efficiency of dye-sensitized solar cells using nanoparticle/nanotube double layered film.

Journal of nanoscience and nanotechnology

Sun KC, Yun SH, Yoon CH, Ko HH, Yi S, Jeong SH.
PMID: 24266168
J Nanosci Nanotechnol. 2013 Dec;13(12):7938-43. doi: 10.1166/jnn.2013.8114.

To enhance the power conversion efficiency of dye-sensitized solar cell, a new type of double layered photoanode was prepared using TiO2 nanoparticle in under layer and TiO2 nanotube in upper layer. TiO2 nanotubes were synthesized by hydrothermal polymerization. The...

Evenly transferred single-layered graphene membrane assisted by strong substrate adhesion.

Nanotechnology

Park S, Kim H, Seol D, Park T, Leem M, Ha H, An H, You Kim H, Jeong SJ, Park S, Kim H, Kim Y.
PMID: 28287075
Nanotechnology. 2017 Apr 07;28(14):145706. doi: 10.1088/1361-6528/aa6053.

We explored the transfer of a single-layered graphene membrane assisted by substrate adhesion. A relatively larger adhesion force was measured on the SiO

Correlation between physical fitness and fall efficacy in elderly women in Korea.

Journal of exercise rehabilitation

Jeoung BJ.
PMID: 26171381
J Exerc Rehabil. 2015 Jun 30;11(3):151-4. doi: 10.12965/jer.150208. eCollection 2015 Jun.

The fear of falling is a common psychological consequence of falling, especially for elderly individuals. Fear of falling can lead to activity restriction and medical problems. The primary purpose of this study was to examine the correlation between fall...

Stretchable Thermoelectric Generators Metallized with Liquid Alloy.

ACS applied materials & interfaces

Jeong SH, Cruz FJ, Chen S, Gravier L, Liu J, Wu Z, Hjort K, Zhang SL, Zhang ZB.
PMID: 28453282
ACS Appl Mater Interfaces. 2017 May 10;9(18):15791-15797. doi: 10.1021/acsami.7b04752. Epub 2017 Apr 28.

Conventional thermoelectric generators (TEGs) are normally hard, rigid, and flat. However, most objects have curvy surfaces, which require soft and even stretchable TEGs for maximizing efficiency of thermal energy harvesting. Here, soft and stretchable TEGs using conventional rigid Bi

Dynamic changes in PDMS surface morphology in femtosecond laser treatment.

Optics express

Moon HY, Sidhu MS, Lee HS, Jeoung SC.
PMID: 26367645
Opt Express. 2015 Jul 27;23(15):19854-62. doi: 10.1364/OE.23.019854.

We have investigated the effect of the dynamics of crater size on the poly(dimethylsiloxane) (PDMS) surface morphology in fs-laser micro-processing. PDMS surface was processed with varying both inter-pulse interval and inter-spot distance between successive laser pulses. With keeping the...

Localized Ion-Beam Irradiation-Induced Wrinkle Patterns.

ACS applied materials & interfaces

Jeong HC, Park HG, Lee JH, Seo DS.
PMID: 26430969
ACS Appl Mater Interfaces. 2015 Oct 21;7(41):23216-22. doi: 10.1021/acsami.5b07147. Epub 2015 Oct 08.

We observe a localized irradiation-induced wrinkle pattern on poly(dimethylsiloxane) (PDMS) via a long pattern mask. Localized ion-beam irradiation induces an inhomogeneous wrinkle pattern on the treated region. To confirm the inhomogeneity of the entire wrinkle pattern, its morphology was...

Magnetic Phase Formation in Self-Assembled Epitaxial BiFeO3-MgO and BiFeO3-MgAl2O4 Nanocomposite Films Grown by Combinatorial Pulsed Laser Deposition.

ACS applied materials & interfaces

Kim DH, Sun X, Kim TC, Eun YJ, Lee T, Jeong SG, Ross CA.
PMID: 26750565
ACS Appl Mater Interfaces. 2016 Feb 03;8(4):2673-9. doi: 10.1021/acsami.5b10676. Epub 2016 Jan 21.

Self-assembled epitaxial BiFeO3-MgO and BiFeO3-MgAl2O4 nanocomposite thin films were grown on SrTiO3 substrates by pulsed laser deposition. A two-phase columnar structure was observed for BiFeO3-MgO codeposition within a small window of growth parameters, in which the pillars consisted of...

Control of the wrinkle structure on surface-reformed poly(dimethylsiloxane) via ion-beam bombardment.

Scientific reports

Park HG, Jeong HC, Jung YH, Seo DS.
PMID: 26196760
Sci Rep. 2015 Jul 21;5:12356. doi: 10.1038/srep12356.

We investigated the surface reformation of poly(dimethylsiloxane) (PDMS) elastomers by means of ion beam bombardment for fabricating wrinkle structures. Oxidation on the PDMS surface formed a silica-like outer layer that interacted with the inner PDMS layer, leading to the...

Identification and Characterization of Acinetobacter sp. CNU961 Able to Grow with Phenol at High Concentrations.

Bioscience, biotechnology, and biochemistry

Jeong KC, Jeong EY, Hwang TE, Choi SH.
PMID: 27392693
Biosci Biotechnol Biochem. 1998;62(9):1830-3. doi: 10.1271/bbb.62.1830.

An Acinetobacter sp., strain CNU961, with a higher tolerance to phenol was isolated, and identified through a set of taxonomic studies and a genetic complementation test. Enzymatic and mutagenic studies found that the strain dissimilate phenol by hydroxylation to...

Comparison of Antioxidant Activities of Hydrolysates of Domestic and Imported Skim Milk Powders Treated with Papain.

Korean journal for food science of animal resources

Ha GE, Chang OK, Han GS, Ham JS, Park BY, Jeong SG.
PMID: 26761850
Korean J Food Sci Anim Resour. 2015;35(3):360-9. doi: 10.5851/kosfa.2015.35.3.360. Epub 2015 Jun 30.

Milk proteins have many potential sequences within their primary structure, each with a specific biological activity. In this study, we compared and investigated the bioactivities of hydrolysates of the domestic (A, B) and imported (C, D) skim milk powders...

Showing 1 to 12 of 1193 entries