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  1. No Access

    Article

    The Effects of Texture and Do** on the Young’s Modulus of Polysilicon

    Polysilicon films deposited by low pressure chemical deposition (LPCVD) are the most widely used structural material for microelectromechanical systems (MEMS). However, the structural properties of LPCVD polys...

    Sangwoo Lee, Changho Cho, Jongpal Kim, Sangjun Park in MRS Online Proceedings Library (1998)

  2. No Access

    Chapter and Conference Paper

    Extension of Surface/Bulk Micromachining: One-Mask Fabrication Technology Enabling the Integration of 6-DoF Inertial Sensors on a Single Wafer

    In this paper, a new technology that enables the fabrication of single-crystal silicon microstructures capable of detecting the vertical motion without a bottom electrode is presented. The vertical-motion sens...

    Sangwoo Lee, Byeung-Leul Lee, Kyu Dong Jung in Transducers ’01 Eurosensors XV (2001)

  3. No Access

    Article

    Determination of the Charge Attached to Micro-scale Devices Used in Fluidic Self-Assembly Processes

    Self-assembly of micron sized and smaller particles has previously been demonstrated using biologically inspired events such as DNA hybridization and interactions of ligands and receptors. In order to implemen...

    Eric Tkaczyk, Vandna Handa, Sangwoo Lee, Helen McNally in MRS Online Proceedings Library (2002)

  4. No Access

    Article

    Free-Space Optical Communications with Channel Shortening Filter and Viterbi Equalizer

    This paper is about signal processing techniques for airborne free-space optical (FSO) wireless communications through clouds. FSO channel is known to be accompanied by multi-scattering, which causes severe in...

    Sangwoo Lee, Mohsen Kavehrad in International Journal of Wireless Information Networks (2009)

  5. No Access

    Article

    Determination of mRNA expression of DMRT93B, vitellogenin, and cuticle 12 in Daphnia magna and their biomarker potential for endocrine disruption

    We explored the use of molecular genetic biomarkers for endocrine disruption in Daphnia magna after the exposure to fenoxycarb (FOC), a model juvenile hormone analog. For this purpose, the mRNA expression pattern...

    Jungkon Kim, Younghee Kim, Sangwoo Lee, Kyunghee Kwak, Wook-** Chung in Ecotoxicology (2011)

  6. Article

    Open Access

    Wireless sensor network localization with connectivity-based refinement using mass spring and Kalman filtering

    Since many range-free localization algorithms depend on only a few anchors and implicit range estimations, they produce poor results. In this article, we propose a distributed range-free algorithm to improve l...

    Sangwoo Lee, Hyunjae Woo, Chaewoo Lee in EURASIP Journal on Wireless Communications… (2012)

  7. No Access

    Article

    Risk assessment of chlortetracycline, oxytetracycline, sulfamethazine, sulfathiazole, and erythromycin in aquatic environment: are the current environmental concentrations safe?

    To understand potential risks of major pharmaceutical residues in waters, we evaluated ecotoxicities of five major veterinary pharmaceuticals, i.e., chlortetracycline, oxytetracycline, sulfamethazine, sulfathi...

    Kyunghee Ji, Sunmi Kim, Sunyoung Han, Jihyun Seo, Sangwoo Lee in Ecotoxicology (2012)

  8. No Access

    Article

    Narrowing and Lengthening Genioplasty with Pedicled Bone Graft in Contouring of the Short and Wide Lower Face

    A short and wide lower face is perceived as unattractive and masculine. Simply contouring the mandibular body and angle is insufficient to make the lower face with short and wide features slimmer and more femi...

    Sangwoo Lee, Baek-kyu Kim, Rong-Min Baek, Jihyeon Han in Aesthetic Plastic Surgery (2013)

  9. No Access

    Article

    Depth manipulation using disparity histogram analysis for stereoscopic 3D

    The importance of post-production for stereoscopic 3D is increasing rapidly. In particular, depth manipulation is essential, as there are many situations in which the captured depth requires further adjustment...

    Sangwoo Lee, Younghui Kim, Jung** Lee, Kyehyun Kim, Kyunghan Lee in The Visual Computer (2014)

  10. Article

    Open Access

    Multihop range-free localization with approximate shortest path in anisotropic wireless sensor networks

    This paper presents a multihop range-free localization algorithm that tolerates network anisotropy with a small number of anchors. A detoured path detection is proposed to detect if the shortest path between n...

    Sangwoo Lee, Chansik Park, Min Joon Lee in EURASIP Journal on Wireless Communications… (2014)

  11. No Access

    Article

    Navigated three-dimensional T1-weighted gradient-echo sequence for gadoxetic acid liver magnetic resonance imaging in patients with limited breath-holding capacity

    To determine whether a navigator-gated three-dimensional T1-weighted gradient-echo sequence (T1W-GRE, navigated LAVA) can improve diagnostic performance for the detection of focal liver lesions (FLLs) compared...

    Jeong Hee Yoon, Jeong Min Lee, Eun Sun Lee, Jeehyun Baek, Sangwoo Lee in Abdominal Imaging (2015)

  12. Article

    Open Access

    Sound Packing DNA: packing open circular DNA with low-intensity ultrasound

    Supercoiling DNA (folding DNA into a more compact molecule) from open circular forms requires significant bending energy. The double helix is coiled into a higher order helix form; thus it occupies a smaller f...

    DongHee Park, Bong-Kwang Jung, Hyun** Park, Hyungbeen Lee, Gyudo Lee in Scientific Reports (2015)

  13. No Access

    Article

    Cloning metallothionein gene in Zacco platypus and its potential as an exposure biomarker against cadmium

    Zacco platypus, pale chub, is an indigenous freshwater fish of East Asia including Korea and has many useful characteristics as indicator species for water pollution. While utility of Z. ...

    Sangwoo Lee, Cheolmin Kim, Jungkon Kim in Environmental Monitoring and Assessment (2015)

  14. Article

    Open Access

    Correction: Corrigendum: Sound Packing DNA: packing open circular DNA with low-intensity ultrasound

    Supercoiling DNA (folding DNA into a more compact molecule) from open circular forms requires significant bending energy. The double helix is coiled into a higher order helix form; thus it occupies a smaller f...

    DongHee Park, Bong-Kwang Jung, Hyun** Park, Hyungbeen Lee, Gyudo Lee in Scientific Reports (2015)

  15. No Access

    Article

    Pascal’s triangle-based range-free localization for anisotropic wireless networks

    This paper introduces a Pascal’s triangle model to draw the potential locations and their probabilities for a normal node given the hop counts to the anchors according to the extent of detour of the shortest p...

    Sangwoo Lee, Myungjun **, Bonhyun Koo, Cheonsig Sin, Sunwoo Kim in Wireless Networks (2016)

  16. Article

    Open Access

    Whole-body vibration training improves balance control and sit-to-stand performance among middle-aged and older adults: a pilot randomized controlled trial

    Aging is associated with decreased balance, which increases falling risk. The objective of the current study was to determine the feasibility and effects of whole-body vibration (WBV) training on knee extensor...

    Ming-Chen Ko, Long-Shan Wu, Sangwoo Lee in European Review of Aging and Physical Acti… (2017)

  17. No Access

    Article

    Functionalization of Syndiotactic Polystyrene via Superacid-Catalyzed Friedel–Crafts Alkylation

    Crystalline syndiotactic polystyrene (sPS) was functionalized by superacid-catalyzed Friedel–Crafts alkylation. Once a tertiary carbocation is generated by the reaction of tertiary alcohols and triflic acid, it s...

    Jong Yeob Jeon, Zachary Umstead, Gagan N. Kangovi, Sangwoo Lee in Topics in Catalysis (2018)

  18. No Access

    Article

    Developmental and reproductive effects of tamoxifen on Daphnia magna

    Although medicines are less toxic than other toxicants, increased production and usage of pharmaceuticals have led to many concerns regarding their toxic effects on human and non-target organisms. Additionally...

    Mina Jo, Sangwoo Lee, Seokjoo Yoon, Woo-Keun Kim in Environmental Monitoring and Assessment (2018)

  19. No Access

    Article

    3,4-Dichloroaniline promotes fatty liver in zebrafish larvae

    3,4-Dichloroaniline (3,4-DCA) is a transformation product of herbicides that is commonly used as a reference in developmental toxicity studies (OECD TG 236) (Bonnet et al. in Environ Toxicol 22:78–91, 2007). Howe...

    Ji-Seon Park, Jeongah Song, Jong-Su Park, Sangwoo Lee in Molecular & Cellular Toxicology (2020)

  20. No Access

    Article

    The exploration of feature extraction and machine learning for predicting bone density from simple spine X-ray images in a Korean population

    Osteoporosis is hard to detect before it manifests symptoms and complications. In this study, we evaluated machine learning models for identifying individuals with abnormal bone mineral density (BMD) through a...

    Sangwoo Lee, Eun Kyung Choe, Hae Yeon Kang, Ji Won Yoon, Hua Sun Kim in Skeletal Radiology (2020)

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