Zobrazeno 1 - 10
of 79
pro vyhledávání: '"Hyun-U Ko"'
Publikováno v:
Polymers, Vol 16, Iss 2, p 188 (2024)
Transparent and flexible vibrotactile actuators play an essential role in human–machine interaction applications by providing mechanical stimulations that can effectively convey haptic sensations. In the present study, we fabricated an electroactiv
Externí odkaz:
https://doaj.org/article/0568795dd5454e84b559433d35921c7d
Publikováno v:
Frontiers in Bioengineering and Biotechnology, Vol 9 (2021)
A tunable optical lens can tune or reconfigure the lens material itself such that it can eliminate the moving part of the lens, which brings broad technological impacts. Many tunable optical lenses have been implemented using electroactive polymers t
Externí odkaz:
https://doaj.org/article/ad3f3e34703f41e99a0ef10664fc8dfa
Publikováno v:
Science and Technology of Advanced Materials, Vol 18, Iss 1, Pp 437-446 (2017)
This paper reports the synthesis and UV sensing characteristics of a cellulose and ZnO hybrid nanocomposite (CEZOHN) prepared by exploiting the synergetic effects of ZnO functionality and the renewability of cellulose. Vertically aligned ZnO nanorods
Externí odkaz:
https://doaj.org/article/6e442987d73448678535d964f0dedcba
Publikováno v:
International Journal of Smart and Nano Materials, Vol 8, Iss 2-3, Pp 80-94 (2017)
In this paper, poly(vinyl alcohol)-poly(acrylic acid) based transparent semi-interpenetrating network (semi-IPN) hydrogels were synthesized by using a solvent mixture of dimethyl sulfoxide and deionized water via free radical polymerization and subse
Externí odkaz:
https://doaj.org/article/a32e8b05ebea4847a6fe4e2095b866dd
Publikováno v:
Materials, Vol 7, Iss 10, Pp 7000-7009 (2014)
This paper reports a hybrid nanocomposite of well-aligned zinc oxide (ZnO) nanorods on cellulose and its strain sensing behavior. ZnO nanorods are chemically grown on a cellulose film by using a hydrothermal process, termed as cellulose ZnO hybrid na
Externí odkaz:
https://doaj.org/article/b1950d296632496ba27dc3ce54c5dd9e
Publikováno v:
Materials, Vol 12, Iss 13, p 2080 (2019)
This paper reports swelling behavior of cellulose nanocrystal (CNC)-based polyacrylamide hydrogels prepared by a radical polymerization. The CNC acts as a nanofiller through the formation of complexation and intermolecular interaction. FTIR spectrosc
Externí odkaz:
https://doaj.org/article/257658046f0047f1b7f81e5306f11449
Autor:
Tippabattini Jayaramudu, Hyun-U Ko, Hyun Chan Kim, Jung Woong Kim, Ruth M. Muthoka, Jaehwan Kim
Publikováno v:
Materials, Vol 11, Iss 9, p 1615 (2018)
This paper reports a nontoxic, soft and electroactive hydrogel made with polyvinyl alcohol (PVA) and cellulose nanocrystal (CNC). The CNC incorporating PVA-CNC hydrogels were prepared using a freeze–thaw technique with different CNC concentrations.
Externí odkaz:
https://doaj.org/article/d0463ea63f224cedb1f9a90a5371a8d1
Publikováno v:
Smart Materials and Structures.
This study proposes a small haptic knob that provides kinesthetic torque feedback and vibrotactile feelings using magnetorheological fluids (MRF). A novel rotation shaft structure, including blades, is introduced into the haptic knob to simultaneousl
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::99dceba0a58047b78fa8a480e6ce0c17
https://doi.org/10.1088/1361-665x/acd971
https://doi.org/10.1088/1361-665x/acd971
Autor:
Pattan-Siddappa Ganesh, Mani Govindasamy, Sang-Youn Kim, Dong-Soo Choi, Hyun-U. Ko, Razan Abdullah Alshgari, Chi-Hsien Huang
Publikováno v:
Ecotoxicology and Environmental Safety. 253:114694
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::e7ce239a4a136831eebef75cf7b3d810
https://doi.org/10.1016/j.ecoenv.2023.114694
https://doi.org/10.1016/j.ecoenv.2023.114694
Publikováno v:
Journal of Korea Robotics Society. 16:41-48
Externí odkaz:
https://explore.openaire.eu/search/publication?articleId=doi_________::cfed4f5456fd0c088028010b1ec3efbf
https://doi.org/10.7746/jkros.2021.16.1.041
https://doi.org/10.7746/jkros.2021.16.1.041