Search Results - "Koo, Sangmo"

Refine Results
  1. 1

    Flexible Heater Fabrication Using Amino Acid-Based Ink and Laser-Direct Writing by Koo, Sangmo

    Published in Micromachines (Basel) (13-12-2022)
    “…Nature's systems have evolved over a long period to operate efficiently, and this provides hints for metal nanoparticle synthesis, including the enhancement,…”
    Get full text
    Journal Article
  2. 2

    Advanced Micro-Actuator/Robot Fabrication Using Ultrafast Laser Direct Writing and Its Remote Control by Koo, Sangmo

    Published in Applied sciences (01-12-2020)
    “…Two-photon polymerization (TPP) based on the femtosecond laser (fs laser) direct writing technique in the realization of high-resolution three-dimensional (3D)…”
    Get full text
    Journal Article
  3. 3

    Green Synthesis of Nanoparticles Using Bio-Inspired Systems and Electrically Conductive Pattern Fabrication through Laser-Direct Writing by Koo, Sangmo

    Published in Nanomaterials (Basel, Switzerland) (05-02-2022)
    “…Systems existing in nature have evolved to operate efficiently over a long period of time, enabling efficient material transformation and processing. These…”
    Get full text
    Journal Article
  4. 4

    Directing cell migration and organization via nanocrater-patterned cell-repellent interfaces by Jeon, Hojeong, Koo, Sangmo, Reese, Willie Mae, Loskill, Peter, Grigoropoulos, Costas P., Healy, Kevin E.

    Published in Nature materials (01-09-2015)
    “…Surfaces patterned lithographically with nanoscale craters can alter the morphology, migration and localization of cells, and can be designed to create…”
    Get full text
    Journal Article
  5. 5

    Laser digital patterning of conductive electrodes using metal oxide nanomaterials by Nam, Vu Binh, Giang, Trinh Thi, Koo, Sangmo, Rho, Junsuk, Lee, Daeho

    Published in Nano convergence (06-07-2020)
    “…As an alternative approach to the conventional deposition and photolithographic processes, the laser digital patterning (LDP) process, which is also known as…”
    Get full text
    Journal Article
  6. 6

    Contractile deficits in engineered cardiac microtissues as a result of MYBPC3 deficiency and mechanical overload by Ma, Zhen, Huebsch, Nathaniel, Koo, Sangmo, Mandegar, Mohammad A., Siemons, Brian, Boggess, Steven, Conklin, Bruce R., Grigoropoulos, Costas P., Healy, Kevin E.

    Published in Nature biomedical engineering (01-12-2018)
    “…The integration of in vitro cardiac tissue models, human induced pluripotent stem cells (hiPSCs) and genome-editing tools allows for the enhanced interrogation…”
    Get full text
    Journal Article
  7. 7

    Anti-fouling performance of chevron plate heat exchanger by the surface modification by Ahn, Ho Seon, Kim, Koung Moon, Lim, Sun Taek, Lee, Chang Hun, Han, Seok Won, Choi, Hong, Koo, Sangmo, Kim, Namkeun, Jerng, Dong-Wook, Wongwises, Somchai

    “…•The stainless steel modified surface was fabricated for chevron plate heat exchanger.•The anti-fouling performance would be estimated on bare, modified, PMMA…”
    Get full text
    Journal Article
  8. 8
  9. 9

    Surface Al doping of 4H-SiC via low temperature annealing by Park, Junbo, Kim, Ki-hwan, Park, Young-rak, Kim, Minki, Lee, Hyungseok, Jun, Chi-Hoon, Koo, Sangmo, Ko, Sang Choon

    Published in Applied physics letters (18-07-2016)
    “…We present a method of forming shallow p-doping on a 4H-SiC surface by depositing a thin Al layer (d = 5 nm) and then thermally annealing it at 1000 °C for 10…”
    Get full text
    Journal Article
  10. 10

    Control of pn-junction turn-on voltage in 4H-SiC merged PiN Schottky diode by Park, Junbo, Park, Kun-Sik, Won, Jong-il, Kim, Ki-hwan, Koo, Sangmo, Kim, Sang-gi, Mun, Jae-Kyoung

    Published in Applied physics letters (03-04-2017)
    “…We present numerical simulation results and experimental measurements that explain the physical mechanism behind the high critical voltage, Vcrit , required to…”
    Get full text
    Journal Article
  11. 11

    Selective epitaxial growth of stepwise SiGe:B at the recessed sources and drains: A growth kinetics and strain distribution study by Koo, Sangmo, Jang, Hyunchul, Kim, Sun-Wook, Ko, Dae-Hong

    Published in AIP advances (01-09-2016)
    “…The selective epitaxial growth of Si1-xGex and the related strain properties were studied. Epitaxial Si1-xGex films were deposited on (100) and (110)…”
    Get full text
    Journal Article
  12. 12

    Selective epitaxial growth properties and strain characterization of Si1−x Ge x in SiO2 trench arrays by Koo, Sangmo, Jang, Hyunchul, Ko, Dae-Hong

    Published in Journal of the Korean Physical Society (01-04-2017)
    “…In this study, we investigated the formation of a Si1−xGex fin structure in SiO2 trench arrays via an ultra-high-vacuum chemical-vapor deposition (UHV-CVD)…”
    Get full text
    Journal Article
  13. 13

    Selective epitaxial growth of compressively strained Ge layers on Si in 40-nm trench arrays by Kim, Byongju, Kim, Sun-Wook, Jang, Hyunchul, Kim, Jeong-Hoon, Koo, Sangmo, Kim, Dae-Hyun, Min, Byoung-Gi, Ko, Dae-Hong

    Published in Thin solid films (30-04-2014)
    “…We investigated the growth of the epitaxial Ge layers in a 40nm wide SiO2 trench array on Si by ultra-high vacuum chemical vapor deposition. If the thickness…”
    Get full text
    Journal Article Conference Proceeding
  14. 14
  15. 15

    Strain evolution during the growth of epitaxial Ge layers between narrow oxide trenches by Kim, Byongju, Kim, Sun-Wook, Jang, Hyunchul, Kim, Jeong-Hoon, Koo, Sangmo, Kim, Dae-Hyun, Min, Byoung-Gi, Park, Se-Jeong, Song, Jason S., Ko, Dae-Hong

    Published in Journal of crystal growth (01-09-2014)
    “…We have grown the high quality and compressively strained Ge epilayers on a Si substrate with 40-nm width SiO2 trench patterns at a growth temperature of…”
    Get full text
    Journal Article Conference Proceeding
  16. 16

    Quantitative analysis of single bacterial chemotaxis using a linear concentration gradient microchannel by Jeon, Hojeong, Lee, Yongku, Jin, Songwan, Koo, Sangmo, Lee, Chang-Soo, Yoo, Jung Yul

    Published in Biomedical microdevices (01-10-2009)
    “…A microfluidic device to quantify bacterial chemotaxis has been proposed, which generates a linear concentration gradient of chemoattractant in the main…”
    Get full text
    Journal Article
  17. 17

    Quantification of the cell-substratum contact and cell lift-off under different intra/extracellular conditions by Lee, Yongku, Sangmo, Koo, Jin, Songwan, Yoo, Jung Yul

    Published in Cell communication & adhesion (2009)
    “…Analyses of images of the cell-to-substratum region of contact have been carried out by the means of total internal reflection fluorescence (TIRF) microscopy…”
    Get more information
    Journal Article
  18. 18

    Local Heat Dissipation of Ag Nanowire Networks Examined with Scanning Thermal Microscopy by Koo, Seunghoe, Park, Jaehee, Koo, Sangmo, Kim, Kyeongtae

    Published in Journal of physical chemistry. C (25-03-2021)
    “…Silver nanowires (AgNWs) have shown remarkable potential as materials for transparent conductive electrodes in next-generation flexible devices because of…”
    Get full text
    Journal Article
  19. 19

    Abstract 713: Engineering Complex Tissue Mechanical Environment for Cardiac Microtissues Derived From Human Induced Pluripotent Stem Cells by Ma, Zhen, Wang, Chenyan, Koo, Sangmo, Grigoropoulos, Costas

    Published in Circulation research (02-08-2019)
    “…Abstract only Previous studies of hiPSC-based cardiac tissue models mainly focused on uniform tissue mechanical environment, which is not sufficient to…”
    Get full text
    Journal Article
  20. 20

    Self-organizing human cardiac microchambers mediated by geometric confinement by Ma, Zhen, Wang, Jason, Loskill, Peter, Huebsch, Nathaniel, Koo, Sangmo, Svedlund, Felicia L., Marks, Natalie C., Hua, Ethan W., Grigoropoulos, Costas P., Conklin, Bruce R., Healy, Kevin E.

    Published in Nature communications (14-07-2015)
    “…Tissue morphogenesis and organ formation are the consequences of biochemical and biophysical cues that lead to cellular spatial patterning in development. To…”
    Get full text
    Journal Article