Dr. Janggun Jo Profile

Dr. Janggun Jo

Research Assistant Professor at Univ of Michigan

SPIE Involvement:

Author

Publications (23)

Proceedings Article | 13 March 2024 Presentation

Presentation

Automatic photoacoustic and ultrasound Doppler imaging of human hand rheumatoid arthritis: a longitudinal study

Xiaorui Peng, Grigorios Karageorgos, Jianwei Qiu, Soumya Ghose, Zhanpeng Xu, Zhaoyuan Yang, Aaron Dentinger, Siddarth Ragupathi, Janggun Jo, Nada Abdulaziz, Girish Gandikota, Guan Xu, David Mills, Xueding Wang

Proceedings Volume PC12842, PC1284203 (2024) https://doi.org/10.1117/12.3000365

KEYWORDS: Doppler effect, Photoacoustic imaging, Arthritis, Ultrasonography, Diseases and disorders, Photoacoustic spectroscopy, Tunable lasers, Imaging systems, 3D acquisition, Target acquisition

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Proceedings Article | 13 March 2024 Presentation

Presentation

Multispectral photoacoustic tomography of tumor with cancer cell targeting hypoxia probe

Tianqu Zhai, Jiho Song, Xueding Wang, Janggun Jo, Jae Won Chang

Proceedings Volume PC12842, PC1284214 (2024) https://doi.org/10.1117/12.2692391

KEYWORDS: Tumors, Hypoxia, Photoacoustic tomography, Cancer, Tissues, Tissue optics, Photoacoustic spectroscopy, Muscles, Mouse models, In vivo imaging

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Proceedings Article | 13 March 2024 Poster

Poster

Oxygen quantification using photoacoustic lifetime oxygen imaging after radiation therapy

Janggun Jo, Jeff Folz, Tianqu Zhai, Raoul Kopelman, Celina Kleer, Xueding Wang

Proceedings Volume PC12842, PC128421S (2024) https://doi.org/10.1117/12.3001054

KEYWORDS: Oxygen, Radiotherapy, Tumors, Photoacoustic spectroscopy, Photoacoustic imaging, Biological imaging, Oxygenation, Tissues, Oncology, Nanoprobes

Proceedings Article | 9 March 2023 Presentation

Presentation

Longitudinal study of rheumatoid arthritis development in rodent model by photoacoustic and Doppler ultrasound

Xiaorui Peng, Zhanpeng Xu, Aaron Dentinger, Steven Gray, Soumya Ghose, Shivangi Kewalramani, Janggun Jo, Nada Abdulaziz, Guan Xu, Girish Gandikota, David Mills, Xueding Wang

Proceedings Volume PC12379, PC123791D (2023) https://doi.org/10.1117/12.2650248

KEYWORDS: Arthritis, Ultrasonography, Photoacoustic spectroscopy, Doppler effect, 3D modeling, Tunable lasers, Inflammation, Imaging systems, Image segmentation, Bone

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Proceedings Article | 9 March 2023 Presentation

Presentation

Photoacoustic oxygen imaging for prediction of radiation therapy efficacy

Janggun Jo, Jeff Folz, Raoul Kopelman, Celina Kleer, Xueding Wang

Proceedings Volume PC12379, PC123790N (2023) https://doi.org/10.1117/12.2649303

KEYWORDS: Radiotherapy, Oxygen, Tumors, Photoacoustic spectroscopy, Photoacoustic imaging, Imaging spectroscopy, Tumor growth modeling, Signal generators, In vivo imaging, Chemical analysis

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SPIE Journal Paper | 18 May 2021 Open Access

Open Access

Detecting joint inflammation by an LED-based photoacoustic imaging system: a feasibility study (Erratum)

Janggun Jo, Guan Xu, Yunhao Zhu, Mary Burton, Jeffrey Sarazin, Elena Schiopu, Girish Gandikota, Xueding Wang

JBO, Vol. 26, Issue 05, 059802, (May 2021) https://doi.org/10.1117/12.10.1117/1.JBO.26.5.059802

KEYWORDS: Photoacoustic imaging, Inflammation, Imaging systems, Rheumatology, Radiology, Internal medicine, Biomedical engineering

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SPIE Journal Paper | 17 May 2021 Open Access

Open Access

Imaging of enthesitis by an LED-based photoacoustic system (Erratum)

Janggun Jo, Guan Xu, Elena Schiopu, David Chamberland, Girish Gandikota, Xueding Wang

JBO, Vol. 26, Issue 05, 059801, (May 2021) https://doi.org/10.1117/12.10.1117/1.JBO.26.5.059801

KEYWORDS: Imaging systems, Photoacoustic spectroscopy, Visualization, Rheumatology, Radiology, Ophthalmology, Internal medicine, Biomedical engineering

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Proceedings Article | 5 March 2021 Presentation

Presentation

Photoacoustic lifetime based oxygen imaging with G2 polyacrylamide nanosonophores for in vivo tumor models

Janggun Jo, Chang Lee, Raoul Kopelman, Xueding Wang

Proceedings Volume 11642, 116422P (2021) https://doi.org/10.1117/12.2577259

KEYWORDS: Tumors, Oxygen, Photoacoustic spectroscopy, In vivo imaging, Nanoparticles, Tumor growth modeling, Toxicity, Tissues, Tissue optics, Phosphorescence

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SPIE Journal Paper | 17 December 2020 Open Access

Open Access

Imaging of enthesitis by an LED-based photoacoustic system

Janggun Jo, Guan Xu, Elena Schiopu, David Chamberland, Girish Gandikota, Xueding Wang

JBO, Vol. 25, Issue 12, 126005, (December 2020) https://doi.org/10.1117/12.10.1117/1.JBO.25.12.126005

KEYWORDS: Imaging systems, Doppler effect, Inflammation, Light emitting diodes, Photoacoustic spectroscopy, Arthritis, Ultrasonography, Statistical analysis, Signal processing, Rheumatology

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Proceedings Article | 4 March 2019 Presentation

Presentation

LED based photoacoustic imaging with enhanced sensitivity for human inflammatory arthritis (Conference Presentation)

Janggun Jo, Guan Xu, Yunhao Zhu, Girish Gandikota, Elena Schiopu, Xueding Wang

Proceedings Volume 10878, 1087808 (2019) https://doi.org/10.1117/12.2509799

KEYWORDS: Arthritis, Light emitting diodes, Photoacoustic imaging, Doppler effect, Imaging systems, Rheumatology, Inflammation, Photoacoustic spectroscopy, Light sources, Microchannel plates

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SPIE Journal Paper | 29 November 2018 Open Access

Open Access

Detecting joint inflammation by an LED-based photoacoustic imaging system: a feasibility study

Janggun Jo, Guan Xu, Yunhao Zhu, Mary Burton, Jeffrey Sarazin, Elena Schiopu, Girish Gandikota, Xueding Wang

JBO, Vol. 23, Issue 11, 110501, (November 2018) https://doi.org/10.1117/12.10.1117/1.JBO.23.11.110501

KEYWORDS: Arthritis, Doppler effect, Light emitting diodes, Imaging systems, Inflammation, Photoacoustic imaging, Light sources, Signal to noise ratio, Microchannel plates, Blood

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Proceedings Article | 14 March 2018 Presentation

Presentation

LED based photoacoustic imaging of human inflammatory arthritis (Conference Presentation)

Janggun Jo, Guan Xu, Yunhao Zhu, Gandikota Girish, Elena Schiopu, Xueding Wang

Proceedings Volume 10494, 1049402 (2018) https://doi.org/10.1117/12.2290054

KEYWORDS: Ultrasonography, Imaging systems, Light emitting diodes, Photoacoustic imaging, Photoacoustic spectroscopy, Inflammation, Imaging arrays, Transducers, Tissue optics, Spatial resolution

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Proceedings Article | 3 March 2017 Presentation + Paper

Presentation + Paper

Photoacoustic evaluation of human inflammatory arthritis in human joints

Janggun Jo, Guan Xu, April Marquardt, Gandikota Girish, Xueding Wang

Proceedings Volume 10064, 1006409 (2017) https://doi.org/10.1117/12.2252342

KEYWORDS: Ultrasonography, Photoacoustic imaging, Inflammation, Hypoxia, Human subjects, Doppler effect, Tissues, Imaging systems, Bone, Microchannel plates, Blood circulation

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Proceedings Article | 22 February 2017 Presentation + Paper

Presentation + Paper

Towards biological ion imaging in vivo: potassium selective photoacoustic nanosensor

Chang Heon Lee, Jeffrey Folz, Wuliang Zhang, Janggun Jo, Xueding Wang, Raoul Kopelman

Proceedings Volume 10077, 1007705 (2017) https://doi.org/10.1117/12.2252708

KEYWORDS: Potassium, In vivo imaging, Nanosensors, Biomedical optics, Sensors, Photoacoustic spectroscopy, Photoacoustic imaging, Imaging spectroscopy, Nanoprobes, Ions, Magnesium, Spectroscopy

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Proceedings Article | 15 March 2016 Presentation + Paper

Presentation + Paper

Lifetime-resolved photoacoustic (LPA) spectroscopy for monitoring oxygen change and photodynamic therapy (PDT)

Janggun Jo, Chang Heon Lee, Raoul Kopelman, Xueding Wang

Proceedings Volume 9708, 97081L (2016) https://doi.org/10.1117/12.2213083

KEYWORDS: Oxygen, Photodynamic therapy, Photoacoustic spectroscopy, Spectroscopy, Nanoparticles, Biomedical optics, Light sources, Laser beam diagnostics, Tumors, Luminescence, Cell death, Molecules

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Proceedings Article | 29 February 2016 Presentation + Paper

Presentation + Paper

Photoacoustic imaging of inflammatory arthritis in human joints

Janggun Jo, Guan Xu, April Marquardt, Sheeja Francis, Jie Yuan, Dhanuj Girish, Gandikota Girish, Xueding Wang

Proceedings Volume 9689, 96894H (2016) https://doi.org/10.1117/12.2213151

KEYWORDS: Imaging systems, Photoacoustic imaging, Biomedical optics, Soft tissue optics, Tissue optics, Tissues, Inflammation, Ultrasonography, Microchannel plates, Photoacoustic spectroscopy, Blood, Doppler effect, Bone, Transducers

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Proceedings Article | 11 March 2015 Paper

Paper

Optimizing the optical wavelength for the photoacoustic imaging of inflammatory arthritis

Janggun Jo, Guan Xu, Jack Hu, Sheeja‎ Francis, April Marquardt, Jie Yuan, Gandikota Girish, Xueding Wang

Proceedings Volume 9323, 93230B (2015) https://doi.org/10.1117/12.2077530

KEYWORDS: Tissues, Tissue optics, Doppler effect, Soft tissue optics, Imaging systems, Ultrasonography, Microchannel plates, Biomedical optics, Bone, Absorption

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Proceedings Article | 3 March 2014 Paper

Paper

The propagation of photoacoustic shock waves

Janggun Jo, Xinmai Yang

Proceedings Volume 8943, 89434S (2014) https://doi.org/10.1117/12.2040338

KEYWORDS: Wave propagation, Spherical lenses, Photoacoustic spectroscopy, Acoustics, Signal detection, Tissue optics, Optical spheres, Distortion, Absorption, Photons

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Proceedings Article | 20 September 2013 Paper

Paper

In vivo photoacoustic imaging of breast cancer tumor with HER2-targeted nanodiamonds

Ti Zhang, Huizhong Cui, Chia-Yi Fang, Janggun Jo, Xinmai Yang, Huan-Cheng Chang, M. Laird Forrest

Proceedings Volume 8815, 881504 (2013) https://doi.org/10.1117/12.2027253

KEYWORDS: Neodymium, Tumors, Breast cancer, Tissues, Particles, Biomedical optics, Photoacoustic imaging, Tissue optics, Absorption, Nanoparticles

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SPIE Journal Paper | 22 October 2012 Open Access

Open Access

Photoacoustic detection of functional responses in the motor cortex of awake behaving monkey during forelimb movement

Janggun Jo, Hongyu Zhang, Paul Cheney, Xinmai Yang

JBO, Vol. 17, Issue 11, 110503, (October 2012) https://doi.org/10.1117/12.10.1117/1.JBO.17.11.110503

KEYWORDS: Brain, Signal detection, Neuroimaging, Photoacoustic spectroscopy, Magnetic resonance imaging, Ultrasonography, Sensors, Photoacoustic imaging, Brain activation, Head

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Proceedings Article | 23 February 2012 Paper

Paper

Photoacoustic imaging of functional domains in primary motor cortex in rhesus macaques

Janggun Jo, Hongyu Zhang, Paul Cheney, Xinmai Yang

Proceedings Volume 8223, 822308 (2012) https://doi.org/10.1117/12.909191

KEYWORDS: Photoacoustic imaging, Brain, Photoacoustic spectroscopy, Neuroimaging, Imaging systems, 3D acquisition, Ultrasonography, Head, Fiber lasers, Brain activation

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SPIE Journal Paper | 1 September 2011 Open Access

Open Access

Functional photoacoustic imaging to observe regional brain activation induced by cocaine hydrochloride

Janggun Jo, Xinmai Yang

JBO, Vol. 16, Issue 09, 090506, (September 2011) https://doi.org/10.1117/12.10.1117/1.3626576

KEYWORDS: Brain, Blood, Neuroimaging, Brain activation, Signal detection, Photoacoustic imaging, Photoacoustic spectroscopy, Hemodynamics, Photoacoustic microscopy, Veins

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Proceedings Article | 23 February 2011 Paper

Paper

Photoacoustic imaging to detect rat brain activation after cocaine hydrochloride injection

Janggun Jo, Xinmai Yang

Proceedings Volume 7899, 78993W (2011) https://doi.org/10.1117/12.875670

KEYWORDS: Brain, Acquisition tracking and pointing, Blood, Signal detection, Neuroimaging, Brain activation, Photoacoustic spectroscopy, Photoacoustic imaging, Ultrasonics, Imaging systems

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Showing 5 of 23 publications

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