Results 11 to 20 of about 771 (112)

Modular Capsules with Assembly and Separation Mechanism: Proof of Concept

Actuators, 2021
As wireless capsule endoscope (WCE) technology has advanced, various studies were published on WCEs with functional modules for the diagnosis and treatment of problems in the digestive system.
Zhenyu Li, Manh Cuong Hoang, Chang-Sei Kim, Eunpyo Choi, Doyeon Bang, Jong-Oh Park, Byungjeon Kang   +6 more
doaj   +1 more source

Locomotion and disaggregation control of paramagnetic nanoclusters using wireless electromagnetic fields for enhanced targeted drug delivery

Scientific Reports, 2021
Magnetic nanorobots (MNRs) based on paramagnetic nanoparticles/nanoclusters for the targeted therapeutics of anticancer drugs have been highlighted for their efficiency potential.
Kim Tien Nguyen, Gwangjun Go, Jin Zhen, Manh Cuong Hoang, Byungjeon Kang, Eunpyo Choi, Jong-Oh Park, Chang-Sei Kim   +7 more
doaj   +1 more source

Battery-Free Tattooing Mechanism-Based Functional Active Capsule Endoscopy

Micromachines, 2022
This paper presents a novel tattooing capsule endoscope (TCE) for delivering a certain amount of ink to the submucosal layer of digestive tract organs. A dual-function permanent magnet is used for locomotion and injection activation.
Manh-Cuong Hoang, Jong-Oh Park, Jayoung Kim   +2 more
doaj   +1 more source

Review of Bubble Applications in Microrobotics: Propulsion, Manipulation, and Assembly

Micromachines, 2022
In recent years, microbubbles have been widely used in the field of microrobots due to their unique properties. Microbubbles can be easily produced and used as power sources or tools of microrobots, and the bubbles can even serve as microrobots ...
Yuting Zhou, Liguo Dai, Niandong Jiao
doaj   +1 more source

Wearable Localized Surface Plasmon Resonance-Based Biosensor with Highly Sensitive and Direct Detection of Cortisol in Human Sweat

Biosensors, 2023
Wearable biosensors have the potential for developing individualized health evaluation and detection systems owing to their ability to provide continuous real-time physiological data. Among various wearable biosensors, localized surface plasmon resonance
Minghui Nan, Bobby Aditya Darmawan, Gwangjun Go, Shirong Zheng, Junhyeok Lee, Seokjae Kim, Taeksu Lee, Eunpyo Choi, Jong-Oh Park, Doyeon Bang   +9 more
doaj   +1 more source

Functional enhancement of exosomes derived from NK cells by IL-15 and IL-21 synergy against hepatocellular carcinoma cells: The cytotoxicity and apoptosis in vitro study

Heliyon, 2023
Exosomes are released by various cells, including natural killer (NK) cells and transport signaling molecules for the intercellular communication. Hepatocellular carcinoma (HCC), also known as primary liver cancer, is often inoperable and difficult to ...
In-Young Kim, Ho Yong Kim, Hyeong-woo Song, Jong-Oh Park, You Hee Choi, Eunpyo Choi   +5 more
doaj   +1 more source

Delivery of human natural killer cell-derived exosomes for liver cancer therapy: an in vivo study in subcutaneous and orthotopic animal models

Drug Delivery, 2022
Exosomes are nanosized extracellular vesicles secreted by various cell types, including those of the immune system, such as natural killer (NK) cells.
Ho Yong Kim, Hyun-Ki Min, Hyeong-Woo Song, Ami Yoo, Seonmin Lee, Kyu-Pyo Kim, Jong-Oh Park, You Hee Choi, Eunpyo Choi   +8 more
doaj   +1 more source

Four-Dimensional-Printed Microrobots and Their Applications: A Review

Micromachines, 2023
Owing to their small size, microrobots have many potential applications. In addition, four-dimensional (4D) printing facilitates reversible shape transformation over time or upon the application of stimuli.
Bobby Aditya Darmawan, Jong-Oh Park, Gwangjun Go, Eunpyo Choi   +3 more
doaj   +1 more source

Ultrasonic Manipulation of Hydrodynamically Driven Microparticles in Vessel Bifurcation: Simulation, Optimization, Experimental Validation, and Potential for Targeted Drug Delivery

Micromachines, 2023
Microrobots driven by multiple external power sources have emerged as promising tools for targeted drug and stem cell delivery in tissue regeneration. However, navigating and imaging these devices within a complex colloidal vascular system at a clinical ...
Saqib Sharif, Daewon Jung, Hiep Xuan Cao, Jong-Oh Park, Byungjeon Kang, Eunpyo Choi   +5 more
doaj   +1 more source

Automated Bowel Polyp Detection Based on Actively Controlled Capsule Endoscopy: Feasibility Study

Diagnostics, 2021
This paper presents an active locomotion capsule endoscope system with 5D position sensing and real-time automated polyp detection for small-bowel and colon applications.
Manh Cuong Hoang, Kim Tien Nguyen, Jayoung Kim, Jong-Oh Park, Chang-Sei Kim   +4 more
doaj   +1 more source