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Internet of things (IoT) instructional devices in STEM classrooms: Past, present and future directions

laboratory instruction

Fidai A, Kwon H.
GSID: Ls8HyUv5u5cJ
A Fidai, H Kwon, G Buettner… - 2019 IEEE Frontiers …, 2019 - ieeexplore.ieee.org

This research to practice category full paper provides a survey of how Internet of Things (IoT) devices have made inroads in diverse commercial industries and how these devices have …

Pattern-Based Detection of Anion Pollutants in Water with DNA Polyfluorophores.

Chemical science

Kwon H, Jiang W, Kool ET.
PMID: 26146537
Chem Sci. 2015 Apr 01;6(4):2575-2583. doi: 10.1039/C4SC03992K.

Many existing irrigation, industrial and chemical storage sites are currently introducing hazardous anions into groundwater, making the monitoring of such sites a high priority. Detecting and quantifying anions in water samples typically requires complex instrumentation, adding cost and delaying...

Characteristics of room temperature silicon nitride deposited by internal inductively coupled plasma chemical vapor deposition.

Journal of nanoscience and nanotechnology

Kang S, Lee HW, Hong MP, Kwon KH.
PMID: 25936085
J Nanosci Nanotechnol. 2014 Aug;14(8):6189-95. doi: 10.1166/jnn.2014.8816.

The parallel inductively coupled plasma chemical vapor deposition system is used to directly control the activated radical and charged species in the plasma of a silicon nitride thin film, which is deposited at room temperature for flexible displays. By...

Luminance uniformity study of OLED lighting panels depending on OLED device structures.

Optics express

Bae HW, Son YH, Kang BY, Lee JM, Nam H, Kwon JH.
PMID: 26698702
Opt Express. 2015 Nov 30;23(24):30701-8. doi: 10.1364/OE.23.030701.

This paper describes the luminance uniformity of OLED lighting panels depending on OLED device structures of single emission layer (single-EML), 2-tandem, and 3-tandem. The luminance distribution is evaluated through the circuit simulation and the fabricated panel measurement. In the...

Rosacea Subtypes Visually and Optically Distinct When Viewed with Parallel-Polarized Imaging Technique.

Annals of dermatology

Kwon IH, Choi JE, Seo SH, Kye YC, Ahn HH.
PMID: 28392643
Ann Dermatol. 2017 Apr;29(2):167-172. doi: 10.5021/ad.2017.29.2.167. Epub 2017 Mar 24.

BACKGROUND: Parallel-polarized light (PPL) photography evaluates skin characteristics by analyzing light reflections from the skin surface.OBJECTIVE: The aim of this study was to determine the significance of quantitative analysis of PPL images in rosacea patients, and to provide a...

Laboratory-acquired dengue virus infection by needlestick injury: a case report, South Korea, 2014.

Annals of occupational and environmental medicine

Lee C, Jang EJ, Kwon D, Choi H, Park JW, Bae GR.
PMID: 27057314
Ann Occup Environ Med. 2016 Apr 07;28:16. doi: 10.1186/s40557-016-0104-5. eCollection 2016.

BACKGROUND: Dengue fever is one of the most dominant vector-borne diseases, putting approximately 3.9 billion people at risk worldwide. While it is generally vector-borne, other routes of transmission such as needlestick injury are possible. Laboratory workers can be exposed...

Fabrication of a Functionally Graded Copper-Zinc Sulfide Phosphor.

Scientific reports

Park J, Park K, Kim J, Jeong Y, Kawasaki A, Kwon H.
PMID: 26972313
Sci Rep. 2016 Mar 14;6:23064. doi: 10.1038/srep23064.

Functionally graded materials (FGMs) are compositionally gradient materials. They can achieve the controlled distribution of the desired characteristics within the same bulk material. We describe a functionally graded (FG) metal-phosphor adapting the concept of the FGM; copper (Cu) is...

A comprehensive study on atomic layer deposition of molybdenum sulfide for electrochemical hydrogen evolution.

Nanoscale

Kwon DH, Jin Z, Shin S, Lee WS, Min YS.
PMID: 26973254
Nanoscale. 2016 Apr 07;8(13):7180-8. doi: 10.1039/c5nr09065b.

Atomic layer deposition (ALD) has emerged as an efficient method to design and prepare catalysts with atomic precision. Here, we report a comprehensive study on ALD of molybdenum sulfide (MoSx) for an electrocatalytic hydrogen evolution reaction. By using molybdenum...

Characterization of Edge Contact: Atomically Resolved Semiconductor-Metal Lateral Boundary in MoS.

Advanced materials (Deerfield Beach, Fla.)

Kwon H, Lee K, Heo J, Oh Y, Lee H, Appalakondaiah S, Ko W, Kim HW, Jung JW, Suh H, Min H, Jeon I, Hwang E, Hwang S.
PMID: 28922484
Adv Mater. 2017 Nov;29(41). doi: 10.1002/adma.201702931. Epub 2017 Sep 18.

Despite recent efforts for the development of transition-metal-dichalcogenide-based high-performance thin-film transistors, device performance has not improved much, mainly because of the high contact resistance at the interface between the 2D semiconductor and the metal electrode. Edge contact has been...

Pyruvate Kinase M2: A Novel Biomarker for the Early Detection of Acute Kidney Injury.

Toxicological research

Cheon JH, Kim SY, Son JY, Kang YR, An JH, Kwon JH, Song HS, Moon A, Lee BM, Kim HS.
PMID: 26977258
Toxicol Res. 2016 Jan;32(1):47-56. doi: 10.5487/TR.2016.32.1.047. Epub 2016 Jan 31.

The identification of biomarkers for the early detection of acute kidney injury (AKI) is clinically important. Acute kidney injury (AKI) in critically ill patients is closely associated with increased morbidity and mortality. Conventional biomarkers, such as serum creatinine (SCr)...

Inhibitory effects of Doenjang, Korean traditional fermented soybean paste, on oxidative stress and inflammation in adipose tissue of mice fed a high-fat diet.

Nutrition research and practice

Nam YR, Won SB, Chung YS, Kwak CS, Kwon YH.
PMID: 26060534
Nutr Res Pract. 2015 Jun;9(3):235-41. doi: 10.4162/nrp.2015.9.3.235. Epub 2015 May 06.

BACKGROUND/OBJECTIVES: Doenjang, Korean traditional fermented soybean paste has been reported to have an anti-obesity effect. Because adipose tissue is considered a major source of inflammatory signals, we investigated the protective effects of Doenjang and steamed soybean on oxidative stress...

A high-resolution strain-gauge nanolaser.

Nature communications

Choi JH, No YS, So JP, Lee JM, Kim KH, Hwang MS, Kwon SH, Park HG.
PMID: 27175544
Nat Commun. 2016 May 12;7:11569. doi: 10.1038/ncomms11569.

Interest in mechanical compliance has been motivated by the development of flexible electronics and mechanosensors. In particular, studies and characterization of structural deformation at the fundamental scale can offer opportunities to improve the device sensitivity and spatiotemporal response; however,...

Showing 1 to 12 of 2450 entries