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Showing 1 to 12 of 48 entries
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Experience of clinical skills assessment in the Busan-Gyeongnam Consortium.

Korean journal of medical education

Kam B, Oh YR, Lee SH, Roh HR, Hahm JR, Im SJ.
PMID: 25804967
Korean J Med Educ. 2013 Dec;25(4):327-36. doi: 10.3946/kjme.2013.25.4.327. Epub 2013 Dec 31.

PURPOSE: The purpose of this study is to judge the quality of clinical skills assessment in Busan-Gyeongnam Consortium.METHODS: Fourth grade medical school students (n=350 in 2012 and n=419 in 2013) in the Busan-Gyeongnam Consortium were included in the study....

Position- and orientation-controlled polarized light interaction of individual indium tin oxide nanorods.

Applied physics letters

Choi DS, Joh DY, Lee T, Milchak M, Zhou H, Kang Y, Hahm JI.
PMID: 24753625
Appl Phys Lett. 2014 Feb 24;104(8):083112. doi: 10.1063/1.4866794. Epub 2014 Feb 25.

We have systematically investigated the position, orientation, and polarization angle dependence of scattered light from well-characterized, indium tin oxide nanorods (ITO NRs) upon illumination with monochromatic light. Scattering signals from individual ITO NRs of horizontal and vertical configurations are...

Highly photoresponsive, ZnO nanorod-based photodetector for operation in the visible spectral range.

Nanotechnology

Choi DS, Hansen M, Van Keuren E, Hahm JI.
PMID: 28281467
Nanotechnology. 2017 Apr 07;28(14):145203. doi: 10.1088/1361-6528/aa6237. Epub 2017 Mar 10.

While significant advances have been made for gold nanoparticle (AuNP)-coupled zinc oxide (ZnO) as visibly blind, ultraviolet photodetection devices, very few ZnO nanomaterial systems have been developed specifically for use in the visible wavelength regime. Further efforts to develop...

Telemedicine system using a high-speed network: past, present, and future.

Gut and liver

Hahm JS, Lee HL, Choi HS, Shimizu S.
PMID: 20431756
Gut Liver. 2009 Dec;3(4):247-51. doi: 10.5009/gnl.2009.3.4.247. Epub 2009 Dec 31.

There is no doubt that telecommunication saves a great deal of time and expense when exchanging information, and recent technological advances have increased its popularity in business and educational applications. Telemedicine is a rapidly developing application of clinical medicine...

Delayed surgery for parathyroid adenoma misdiagnosed as a thyroid nodule and treated with radiofrequency ablation.

Endocrinology and metabolism (Seoul, Korea)

Kim HS, Choi BH, Park JR, Hahm JR, Jung JH, Kim SK, Kim S, Kim KY, Chung SI, Jung TS.
PMID: 24396684
Endocrinol Metab (Seoul). 2013 Sep;28(3):231-5. doi: 10.3803/EnM.2013.28.3.231. Epub 2013 Sep 13.

Primary hyperparathyroidism occurs as a result of isolated parathyroid adenoma in 80% to 85% of all cases. A (99m)technetium ((99m)Tc) sestamibi scan or neck ultrasonography is used to localize the neoplasm prior to surgical intervention. A 53-year-old female was...

Application of well-defined indium tin oxide nanorods as Raman active platforms.

Applied physics letters

Zhao S, Guo Y, Song S, Choi D, Hahm JI.
PMID: 22933825
Appl Phys Lett. 2012 Jul 30;101(5):53117. doi: 10.1063/1.4740273. Epub 2012 Aug 02.

We determine the surface enhanced Raman (SER) capability of indium tin oxide nanorods (ITO NRs) whose physical, chemical, and optical properties are precisely and uniformly controlled during synthesis. We demonstrate that the Raman intensities observed from varying concentrations of...

Neuro-Scientific Studies of Creativity.

Dementia and neurocognitive disorders

Park SH, Kim KK, Hahm J.
PMID: 30906351
Dement Neurocogn Disord. 2016 Dec;15(4):110-114. doi: 10.12779/dnd.2016.15.4.110. Epub 2016 Dec 31.

Creativity has historically been investigated in psychological and educational aspects, and developed by psychologists and educationists. Recent progress of computational and cognitive science has opened new horizons in the neuro-scientific approach, bridging the concept of creativity and specialized brain...

Spatially Correlated, Single Nanomaterial-Level Structural and Optical Profiling of Cu-Doped ZnO Nanorods Synthesized via Multifunctional Silicides.

Nanomaterials (Basel, Switzerland)

Truong J, Hansen M, Szychowski B, Xie T, Daniel MC, Hahm JI.
PMID: 29642433
Nanomaterials (Basel). 2018 Apr 07;8(4). doi: 10.3390/nano8040222.

We demonstrate a straightforward and effective method to synthesize vertically oriented, Cu-doped ZnO nanorods (NRs) using a novel multipurpose platform of copper silicide nanoblocks (Cu₃Si NBs) preformed laterally in well-defined directions on Si. The use of the surface-organized Cu₃Si...

Cholecystokinin Receptor-Targeted Polyplex Nanoparticle Inhibits Growth and Metastasis of Pancreatic Cancer.

Cellular and molecular gastroenterology and hepatology

Burks J, Nadella S, Mahmud A, Mankongpaisarnrung C, Wang J, Hahm JI, Tucker RD, Shivapurkar N, Stern ST, Smith JP.
PMID: 29928669
Cell Mol Gastroenterol Hepatol. 2018 Mar 07;6(1):17-32. doi: 10.1016/j.jcmgh.2018.02.013. eCollection 2018.

BACKGROUND & AIMS: Pancreatic ductal adenocarcinoma (PDAC) remains the most aggressive malignancy with the lowest 5-year survival rate of all cancers in part owing to the lack of tumor-specific therapy and the rapid metastatic nature of this cancer. The...

Antioxidant and Anti-Inflammatory Effects of .

Antioxidants (Basel, Switzerland)

Khan A, Ikram M, Hahm JR, Kim MO.
PMID: 32664395
Antioxidants (Basel). 2020 Jul 10;9(7). doi: 10.3390/antiox9070609.

Neurodegenerative disorders have emerged as a serious health issue in the current era. The most common neurodegenerative disorders are Alzheimer's disease (AD), Parkinson's disease, multiple sclerosis, and amyotrophic lateral sclerosis (ALS). These diseases involve progressive impairment of neurodegeneration and...

Alpha lipoic acid attenuates radiation-induced oral mucositis in rats.

Oncotarget

Kim JH, Jung MH, Kim JP, Kim HJ, Jung JH, Hahm JR, Kang KM, Jeong BK, Woo SH.
PMID: 29069822
Oncotarget. 2017 Aug 16;8(42):72739-72747. doi: 10.18632/oncotarget.20286. eCollection 2017 Sep 22.

PURPOSE: Radiotherapy is currently one of the main treatment modalities for head and neck cancer; however, it also results in severe toxicity to the normal tissue, to the detriment of patients. This study aimed to investigate whether alpha lipoic...

Spatially distinct Raman scattering characteristics of individual ZnO nanorods under controlled polarization: intense end scattering from forbidden modes.

Nanoscale

Hansen M, Truong J, Xie T, Hahm JI.
PMID: 28604894
Nanoscale. 2017 Jun 22;9(24):8470-8480. doi: 10.1039/c7nr02672b.

In this study, we characterize incident/scattered polarization-specific and NR position-resolved Raman scattering behaviors of individual zinc oxide nanorods (ZnO NRs). We quantify Raman signals from the five key ZnO phonon modes of E

Showing 1 to 12 of 48 entries