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  1. Article

    Open Access

    Low-frequency dual-frequency ultrasound-mediated microbubble cavitation for transdermal minoxidil delivery and hair growth enhancement

    Ultrasound (US) has been found to rejuvenate and invigorate the hair follicles, increase the size of hair shafts, and promote new hair growth. Our present study found that dual-frequency US-mediated microbubbl...

    Ai-Ho Liao, Keng-Hsien Lin, Ho-Chiao Chuang, Chih-Hung Tsai in Scientific Reports (2020)

  2. Article

    Open Access

    Safety evaluation of frequent application of microbubble-enhanced focused ultrasound blood-brain-barrier opening

    Focused ultrasound (FUS) with the presence of microbubbles induces blood brain barrier (BBB) opening in targeted areas and facilitates drug delivery. However, recent studies have indicated that FUS-BBB opening...

    Hong-Chieh Tsai, Chih-Hung Tsai, Wen-Shiang Chen, Claude Inserra in Scientific Reports (2018)

  3. Article

    Open Access

    Image-Guided Focused-Ultrasound CNS Molecular Delivery: An Implementation via Dynamic Contrast-Enhanced Magnetic-Resonance Imaging

    Focused ultrasound (FUS) exposure with microbubbles can transiently open the blood-brain barrier (BBB) to deliver therapeutic molecules into CNS tissues. However, delivered molecular distribution/concentration...

    Wen-Yen Chai, Po-Chun Chu, Chih-Hung Tsai, Chung-Yin Lin in Scientific Reports (2018)

  4. Article

    Open Access

    Improved thrombolytic effect with focused ultrasound and neuroprotective agent against acute carotid artery thrombosis in rat

    Combination therapy with focused ultrasound (FUS) and a neuroprotective agent, BNG-1, was examined in an acute carotid thrombotic occlusion model using LED irradiation in rat to improve the thrombolytic effect...

    Tsong-Hai Lee, Jih-Chao Yeh, Chih-Hung Tsai, Jen-Tsung Yang in Scientific Reports (2017)

  5. Article

    Open Access

    Characterization of Different Microbubbles in Assisting Focused Ultrasound-Induced Blood-Brain Barrier Opening

    Microbubbles (MBs) serve as a critical catalyst to amplify local cavitation in CNS capillary lumen to facilitate focused ultrasound (FUS) to transiently open the blood-brain barrier (BBB). However, limited und...

    Sheng-Kai Wu, Po-Chun Chu, Wen-Yen Chai, Shih-Tsung Kang in Scientific Reports (2017)

  6. Article

    Open Access

    Focused Ultrasound-Induced Blood-Brain Barrier Opening: Association with Mechanical Index and Cavitation Index Analyzed by Dynamic Contrast-Enhanced Magnetic-Resonance Imaging

    Focused ultrasound (FUS) with microbubbles can temporally open the blood-brain barrier (BBB), and the cavitation activities of microbubbles play a key role in the BBB-opening process. Previous attempts used co...

    Po-Chun Chu, Wen-Yen Chai, Chih-Hung Tsai, Shih-Tsung Kang in Scientific Reports (2016)