Dear Colleagues,

A variety of imaging techniques have been investigated for biomedical applications. Among them, photoacoustic and ultrasound imaging techniques showed great potential by providing structural and functional information of biological tissues. For the last few decades, many studies have been explored to expand the biomedical applications of photoacoustic, ultrasound, or combined imaging for various studies, including drug delivery monitoring, the biodistribution of nanomaterials, and treatment assessment. Recently, clinical attempts of photoacoustic imaging have been made to expand the applications to the clinical world by combining conventional ultrasound imaging machines. The objective of this Special Issue is to demonstrate advances in sensing, imaging, and analysis of photoacoustic and ultrasound imaging techniques for biomedical applications.

For this Special Issue, the topics of interest include but are not limited to:

• Photoacoustic/ultrasound imaging system;
• Sensors for photoacoustic/ultrasound imaging;
• Contrast agents for photoacoustic/ultrasound imaging;
• Contrast-enhanced photoacoustic/ultrasound imaging;
• Photoacoustic/ultrasound signal processing techniques;
• Photoacoustic/ultrasound image processing techniques;
• Light sources for photoacoustic imaging;
• Clinical photoacoustic/ultrasound imaging.

Dr. Jeesu Kim
Dr. Hae Gyun Lim
Guest Editors

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