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journal article·2025-01Open access

Shortwave Infrared Imaging of a Quantum Dot‐Based Magnetic Guidewire Toward Non‐Fluoroscopic Peripheral Vascular Interventions (Small 3/2025)

Junsun Hwang, Beomjoo Kim, Chaewon Jin, Gyudong Lee, Hwajun Jeong, Hyunki Lee, Jonggu Noh, Sung Jun Lim, Jin‐young Kim, Hongsoo Choi

Small· Volume 21· Issue 3
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Source abstract

Abstract

Peripheral Vascular Interventions In article number 2404251, Jin-young Kim, Hongsoo Choi, and co-workers investigate a quantum dot (QD) magnetic guidewire and system for non-fluoroscopic peripheral vascular interventions. By leveraging HgCdSe/HgS/CdS/CdZnS/ZnS/SiO2 core/multi-shell QD-embedded elastomeric composites with real-time short-wave infrared (SWIR) imaging and magnetic manipulation, the guidewire enables SWIR detection upon near-infrared excitation for X-ray-free imaging and can be precisely guided through complex blood vessels using an external magnetic field.
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Research context

PolymersComposites

OpenAlex topics: Cerebrovascular and Carotid Artery Diseases · Advanced MRI Techniques and Applications · Cardiovascular Health and Disease Prevention

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Affiliations

Department of Robotics and Mechatronics Engineering Daegu Gyeongbuk Institute of Science and Technology (DGIST) Daegu 42988 Republic of Korea

DGIST‐ETH Microrobotics Research Center DGIST Daegu 42988 Republic of Korea

Robotics and Mechatronics Engineering Research Center DGIST Daegu 42988 Republic of Korea

Institute of Mechanical Engineering École polytechnique fédérale de Lausanne (EPFL) Lausanne 1015 Switzerland

Division of Biotechnology DGIST Daegu 42988 Republic of Korea

Division of Nanotechnology DGIST Daegu 42988 Republic of Korea

Division of Intelligent Robotics DGIST Daegu 42988 Republic of Korea

Department of Interdisciplinary Engineering DGIST Daegu 42988 Republic of Korea

References

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