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Showing 13 to 24 of 4562 entries
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Knowledge, skills, and attributes of graduate student and postdoctoral mentors in undergraduate research settings

postdoctoral

Ahn B.
GSID: U70Gvrzk53wJ
B Ahn, MF Cox - Journal of Engineering Education, 2016 - Wiley Online Library

… interviews with graduate students and postdoctoral researchers identified as outstanding mentors … We studied graduate students and postdoctoral researchers because they are playing …

Reimagining the role of school libraries in STEM education: Creating hybrid spaces for exploration

STEM education

Subramaniam MM, Ahn J.
GSID: TNgy8bLT49EJ
MM Subramaniam, J Ahn… - The Library …, 2012 - journals.uchicago.edu

… We first introduce the issues surrounding STEM education and the calls for more effective STEM education. Second, we describe the concept of STEM identity development and its importance in increasing the engagement of underrepresented minorities and females in...

Elementary students' physical activity levels and behavior when using stability balls

classroom interventions

Ahn S, Fedewa A.
GSID: S1-A9LYYVLoJ
HE Erwin, A Fedewa, S Ahn… - The American Journal of …, 2016 - research.aota.org

OBJECTIVE. Physical activity is positively related to improved student behaviors. Stability balls have been used as interventions to affect student behavior. The objective of this study …

Protein backbone torsion angle-based structure comparison and secondary structure database web server.

Genomics & informatics

Jung S, Bae SE, Ahn I, Son HS.
PMID: 24124412
Genomics Inform. 2013 Sep;11(3):155-60. doi: 10.5808/GI.2013.11.3.155. Epub 2013 Sep 30.

Structural information has been a major concern for biological and pharmaceutical studies for its intimate relationship to the function of a protein. Three-dimensional representation of the positions of protein atoms is utilized among many structural information repositories that have...

Spin-density matrix elements for γp→K*0Σ+ at Eγ=1.85-3.0 GeV with evidence for the κ(800) meson exchange.

Physical review letters

Hwang SH, Hicks K, Ahn JK, Nakano T, Ahn DS, Chang WC, Chen JY, Daté S, Ejiri H, Fujimura H, Fujiwara M, Fukui S, Gohn W, Hotta T, Imai K, Ishikawa T, Joo K, Kato Y, Kohri H, Kon Y, Lee HS, Maeda Y, Miyabe M, Mibe T, Morino Y, Muramatsu N, Nakatsugawa Y, Niiyama M, Noumi H, Oh Y, Ohashi Y, Ohta T, Oka M, Parker J, Rangacharyulu C, Ryu SY, Sawada T, Sugaya Y, Sumihama M, Tsunemi T, Uchida M, Ungaro M, Yosoi M.
PMID: 22463625
Phys Rev Lett. 2012 Mar 02;108(9):092001. doi: 10.1103/PhysRevLett.108.092001. Epub 2012 Feb 27.

The exclusive reaction γp→K(+)π(-)Σ(+) was measured for the first time using linearly polarized photons at beam energies from 1.85 to 2.96 GeV. Angular distributions in the rest frame of the K(+)π(-) system were fitted to extract spin-density matrix elements...

Enhanced photoelectrochemical water oxidation on bismuth vanadate by electrodeposition of amorphous titanium dioxide.

Journal of the American Chemical Society

Eisenberg D, Ahn HS, Bard AJ.
PMID: 25243345
J Am Chem Soc. 2014 Oct 08;136(40):14011-4. doi: 10.1021/ja5082475. Epub 2014 Sep 26.

n-BiVO4 is a promising semiconductor material for photoelectrochemical water oxidation. Although most thin-film syntheses yield discontinuous BiVO4 layers, back reduction of photo-oxidized products on the conductive substrate has never been considered as a possible energy loss mechanism in the...

EGFR Gene Amplification and Protein Expression in Invasive Ductal Carcinoma of the Breast.

Korean journal of pathology

Hwangbo W, Lee JH, Ahn S, Kim S, Park KH, Kim CH, Kim I.
PMID: 23667369
Korean J Pathol. 2013 Apr;47(2):107-15. doi: 10.4132/KoreanJPathol.2013.47.2.107. Epub 2013 Apr 24.

BACKGROUND: The epidermal growth factor receptor (EGFR) is a surrogate marker for basal-like breast cancer. A recent study suggested that EGFR may be used as a target for breast cancer treatment.METHODS: A total of 706 invasive ductal carcinomas (IDC)...

Prognostic Significance of BCL9 Expression in Hepatocellular Carcinoma.

Korean journal of pathology

Hyeon J, Ahn S, Lee JJ, Song DH, Park CK.
PMID: 23667372
Korean J Pathol. 2013 Apr;47(2):130-6. doi: 10.4132/KoreanJPathol.2013.47.2.130. Epub 2013 Apr 24.

BACKGROUND: BCL9 enhances β-catenin-mediated transcriptional activity regardless of the mutational status of the Wnt signaling components and increases the cell proliferation, migration, invasion, and metastatic potential of tumor cells. The goal of this study was to elucidate the prognostic...

Designed three-dimensional freestanding single-crystal carbon architectures.

ACS nano

Park JH, Cho DH, Moon Y, Shin HC, Ahn SJ, Kwak SK, Shin HJ, Lee C, Ahn JR.
PMID: 25329767
ACS Nano. 2014 Nov 25;8(11):11657-65. doi: 10.1021/nn504956h. Epub 2014 Oct 29.

Single-crystal carbon nanomaterials have led to great advances in nanotechnology. The first single-crystal carbon nanomaterial, fullerene, was fabricated in a zero-dimensional form. One-dimensional carbon nanotubes and two-dimensional graphene have since followed and continue to provide further impetus to this...

Mapping of Bernal and non-Bernal stacking domains in bilayer graphene using infrared nanoscopy.

Nanoscale

Jeong G, Choi B, Kim DS, Ahn S, Park B, Kang JH, Min H, Hong BH, Kim ZH.
PMID: 28287222
Nanoscale. 2017 Mar 23;9(12):4191-4195. doi: 10.1039/c7nr00713b.

Bilayer graphene (BLG) shows great potential as a new material for opto-electronic devices because its bandgap can be controlled by varying the stacking orders, as well as by applying an external electric field. An imaging technique that can visualize...

Separation of glycine-rich proteins from sea hare eggs and their anti-cancer activity against U937 leukemia cell line.

EXCLI journal

Lee WW, Kim WS, Ahn G, Kim KN, Heo SJ, Cho M, Fernando IP, Kang N, Jeon YJ.
PMID: 27366143
EXCLI J. 2016 Jun 01;15:329-42. doi: 10.17179/excli2016-293. eCollection 2016.

The present study was designed to investigate the anti-cancer effects of Sea hare eggs (SE) in U937 cells and its major active components. The aqueous extract of SE (ASE), which contained the highest protein content, dose-dependently inhibited the cancer...

Design of an ultra-miniaturized electron optical microcolumn with sub-5 nm very high resolution.

Ultramicroscopy

Oh TS, Kim HS, Ahn S, Kim DW.
PMID: 24184680
Ultramicroscopy. 2014 Jan;136:171-5. doi: 10.1016/j.ultramic.2013.10.003. Epub 2013 Oct 17.

The achievement of a microminiaturized electrostatic electron optical column with very-high-resolution probe beam is an important challenge in the fields of electron beam lithography, metrology, and inspection for semiconductor and/or display devices. In this study, we propose an ultra-miniaturized,...

Showing 13 to 24 of 4562 entries