Zobrazeno 1 - 10
of 17
pro vyhledávání: '"Yeonggeun Kim"'
Autor:
Seonghee Cho, Minsu Kim, Joongho Ahn, Yeonggeun Kim, Junha Lim, Jeongwoo Park, Hyung Ham Kim, Won Jong Kim, Chulhong Kim
Publikováno v:
Nature Communications, Vol 15, Iss 1, Pp 1-15 (2024)
Abstract Transparent ultrasound transducers (TUTs) can seamlessly integrate optical and ultrasound components, but acoustic impedance mismatch prohibits existing TUTs from being practical substitutes for conventional opaque ultrasound transducers. He
Externí odkaz:
https://doaj.org/article/7af8be23c6434c9eade36a951ea6f564
Autor:
Jongbeom Kim, Dongyoon Lee, Hyokyung Lim, Hyekyeong Yang, Jaewoo Kim, Jeesu Kim, Yeonggeun Kim, Hyung Ham Kim, Chulhong Kim
Publikováno v:
Scientific Reports, Vol 12, Iss 1, Pp 1-10 (2022)
Abstract Simultaneous point-by-point raster scanning of optical and acoustic beams has been widely adapted to high-speed photoacoustic microscopy (PAM) using a water-immersible microelectromechanical system or galvanometer scanner. However, when usin
Externí odkaz:
https://doaj.org/article/e4da6ad1bb24438a99765fbaf0db258e
Autor:
Jongbeom Kim, Gyuwon Kim, Lei Li, Pengfei Zhang, Jin Young Kim, Yeonggeun Kim, Hyung Ham Kim, Lihong V. Wang, Seungchul Lee, Chulhong Kim
Publikováno v:
Light: Science & Applications, Vol 11, Iss 1, Pp 1-12 (2022)
Computational strategy based on deep neural networks enables to reconstruct high-density superresolution localization photoacoustic images from far fewer raw image frames.
Externí odkaz:
https://doaj.org/article/92c278f7f42d4544b06097a3702e4d7c
Autor:
Yeonggeun Kim, Jongbeom Kim, Joongho Ahn, Moongyu Han, Hae Gyun Lim, Ki Jong Lee, Juseung Lee, Chulhong Kim, Hyung Ham Kim
Publikováno v:
Scientific Reports, Vol 11, Iss 1, Pp 1-12 (2021)
Abstract With the increasing need for steel sheet quality assurance, the detection of micro-scaled inclusions in steel sheets has become critical. Many techniques have been explored to detect inclusions, e.g., visual inspection, radiography, magnetic
Externí odkaz:
https://doaj.org/article/423ef17087644824a8ce19ba8a780a92
Publikováno v:
Ultrasonics Sonochemistry, Vol 82, Iss , Pp 105844- (2022)
Microbubbles are widely used in medical ultrasound imaging and drug delivery. Many studies have attempted to quantify the collapse pressure of microbubbles using methods that vary depending on the type and population of bubbles and the frequency band
Externí odkaz:
https://doaj.org/article/61968d0b34e64eafb00562dcbe940752
Autor:
Hae Gyun Lim, Hyunhee Kim, Kyungmin Kim, Jeongwoo Park, Yeonggeun Kim, Jinhee Yoo, Dasom Heo, Jinhwan Baik, Sung-Min Park, Hyung Ham Kim
Publikováno v:
Sensors, Vol 21, Iss 5, p 1580 (2021)
We present a back-to-back (BTB) structured, dual-mode ultrasonic device that incorporates a single-element 5.3 MHz transducer for high-intensity focused ultrasound (HIFU) treatment and a single-element 20.0 MHz transducer for high-resolution ultrasou
Externí odkaz:
https://doaj.org/article/075d325e29484d49a1481bc40be3b531
Autor:
Hyojin Kim, Jin Young Kim, Seonghee Cho, Joongho Ahn, Yeonggeun Kim, Hyungham Kim, Chulhong Kim
Publikováno v:
Biomed Eng Lett
Photoacoustic microscopy (PAM) embedded with a 532 nm pulse laser is widely used to visualize the microvascular structures in both small animals and humans in vivo. An opto-ultrasound combiner (OUC) is often utilized in high-speed PAM to confocally a
Autor:
Joongho Ahn, Jinwoo Baik, Hyojin Kim, Yeonggeun Kim, Jin Young Kim, Hyung Ham Kim, Chulhong Kim
Publikováno v:
Photons Plus Ultrasound: Imaging and Sensing 2022.
Publikováno v:
IEEE Sensors Journal. :1-1
Publikováno v:
Ultrasonics Sonochemistry
Ultrasonics Sonochemistry, Vol 82, Iss, Pp 105844-(2022)
Ultrasonics Sonochemistry, Vol 82, Iss, Pp 105844-(2022)
Graphical abstract
Highlights • Single-microsphere collapse pressure was obtained using focused ultrasound. • Use of single-beam acoustic tweezer eliminates the influence of additional factors. • The relationship between collapse pressure
Highlights • Single-microsphere collapse pressure was obtained using focused ultrasound. • Use of single-beam acoustic tweezer eliminates the influence of additional factors. • The relationship between collapse pressure