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X-WR-CALNAME:Department of Electrical and Computer Engineering (HKUECE) 電機與計算機工程系
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X-WR-CALDESC:Events for Department of Electrical and Computer Engineering (HKUECE) 電機與計算機工程系
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TZID:Asia/Hong_Kong
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DTSTART:20240101T000000
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DTSTART;TZID=Asia/Hong_Kong:20250901T140000
DTEND;TZID=Asia/Hong_Kong:20250901T150000
DTSTAMP:20260511T191726
CREATED:20250828T031638Z
LAST-MODIFIED:20250828T031638Z
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SUMMARY:RPG Seminar – Water-Soluble Tape-Driven Conformal Transfer of Nanodiamond Arrays to 3D Curvilinear Biointerfaces
DESCRIPTION:Zoom Link: https://hku.zoom.us/j/94773711550  \nAbstract\nNanodiamonds (NDs) with nitrogen-vacancy (NV) centers\, play a pivotal role in biological sensing due to their stable fluorescence\, high sensitivity to magnetic fields and temperature\, exceptional chemical stability\, and remarkable biocompatibility\, enabling advanced applications in real-time cellular monitoring and tissue imaging. However\, precisely positioning and patterning NDs onto biological interfaces remains a significant challenge\, hindered by complex physicochemical microenvironments characterized by high hydration\, uneven surfaces\, and chemical diversity\, which often lead to low transfer efficiency. To address these obstacles\, this study introduces an innovative transfer method for large-area ND patterning across diverse substrates\, demonstrating its adaptability to a wide range of nanoparticles. Rigorous evaluations showcase its performance on substrates with varying stiffness\, curvature\, and surface chemistry. Successful transfers onto silicone hydrogel contact lenses\, human hair\, Polydimethylsiloxane (PDMS) micropillars\, Polyethylene Terephthalate (PET) films\, gold probes\, and prosthetic hands exhibit high pattern fidelity. The method also supports a dual-information application for anti-counterfeiting and data storage on contact lenses. Highlighted applications in biosensing\, quantum sensing\, and biomedical devices underscore its ability to overcome limitations of traditional techniques like photolithography and thermal transfer\, positioning it as a promising\, residue-free approach for integrating NDs and other nanoparticles into advanced biomedical and flexible electronic systems. \nSpeaker\nSpeaker: Miss Zhang Luyao\nDepartment of Electrical and Electronic Engineering\nThe University of Hong Kong \nBiography of the Speaker\nLuyao Zhang earned her B.S. degree in Advanced Materials Science and Engineering from Sungkyunkwan University\, followed by an M.S. degree in Materials Science and Engineering from the National University of Singapore. She is currently a Ph.D. candidate under the supervision of Prof. Zhiqin Chu at the Department of Electrical and Electronic Engineering\, The University of Hong Kong (HKU). Her research interests center on micro-nano fabrication\, nanopatterning\, and nanodiamond sensing\, where she explores innovative techniques to advance biomedical and quantum sensing technologies. \nOrganiser\nProf. Zhiqin CHU \nAll are welcome.
URL:https://ece.hku.hk/events/20250901-1/
LOCATION:Online via Zoom
CATEGORIES:Seminar
ATTACH;FMTTYPE=image/jpeg:https://ece.hku.hk/wp-content/uploads/2024/11/rpg-seminar.jpg
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