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Jeunghwan Choi
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Journal Articles

The Role of Protein Loss and Denaturation in Determining Outcomes of Heating, Cryotherapy, and Irreversible Electroporation on Cardiomyocytes

Feng Liu, Priyatanu Roy, Qi Shao, Chunlan Jiang, Jeunghwan Choi, Connie Chung, Dushyant Mehra, John C. Bischof
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. June 2018, 140(6): 061007.
Paper No: BIO-17-1226
https://doi.org/10.1115/1.4039375
Published Online: April 2, 2018
View Article titled, The Role of Protein Loss and Denaturation in Determining Outcomes of Heating, Cryotherapy, and Irreversible Electroporation on Cardiomyocytes
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Topics: Heating, Proteins, Temperature, Electroporation
Includes: Supplementary data
Proceedings Papers

Measurements of the Thermal Conductivity of Sub-Millimeter Biological Tissues

Sean D. Lubner, Jeunghwan Choi, Yasuhiro Hasegawa, Anthony Fong, John C. Bischof, Chris Dames
Proc. ASME. IMECE2012, Volume 7: Fluids and Heat Transfer, Parts A, B, C, and D, 1397-1404, November 9–15, 2012
Publisher: American Society of Mechanical Engineers
Paper No: IMECE2012-89706
https://doi.org/10.1115/IMECE2012-89706
View Paper titled, Measurements of the Thermal Conductivity of Sub-Millimeter Biological Tissues
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Topics: Biological tissues, Thermal conductivity, Heat losses, Agar, Bioengineering, Biomaterials, Cryonics, Errors, Flow (Dynamics), Heat
Proceedings Papers

An Improved Cryosurgical Probe Testbed Based on Convective Exchange Boundary Conditions

Michael L. Etheridge, Jeunghwan Choi, Stephanie Zastrow, Satish Ramadhyani, John C. Bischof
Proc. ASME. SBC2012, ASME 2012 Summer Bioengineering Conference, Parts A and B, 815-816, June 20–23, 2012
Publisher: American Society of Mechanical Engineers
Paper No: SBC2012-80776
https://doi.org/10.1115/SBC2012-80776
View Paper titled, An Improved Cryosurgical Probe Testbed Based on Convective Exchange Boundary Conditions
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Topics: Boundary-value problems, Probes, Freezing, Modeling, Biological tissues, Cancer, Damage, Performance, Temperature, Thermal properties
Proceedings Papers

Measurement of Intracellular Ice Formation and Water Transport During Freezing of Human Dermal Fibroblasts Using Differential Scanning Calorimetry

Shoji Mori, Jeunghwan Choi, John Bischof
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 1065-1066, June 22–25, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SBC2011-53945
https://doi.org/10.1115/SBC2011-53945
View Paper titled, Measurement of Intracellular Ice Formation and Water Transport During Freezing of Human Dermal Fibroblasts Using Differential Scanning Calorimetry
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Topics: Differential scanning calorimetry, Fibroblasts, Freezing, Ice, Water, Cooling, Cryonics, Damage, Temperature, Wounds
Proceedings Papers

Importance of Protein Denaturation to Thermochemical Ablation of Liver Tumors

Shoji Mori, Rajagopal Aravalli, Jeunghwan Choi, Erik Cressman, John Bischof
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 119-120, June 22–25, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SBC2011-53950
https://doi.org/10.1115/SBC2011-53950
View Paper titled, Importance of Protein Denaturation to Thermochemical Ablation of Liver Tumors
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Topics: Ablation (Vaporization technology), Liver, Proteins, Tumors, Lasers, Microwaves, Patient treatment, Surgery
Proceedings Papers

Attachment State Shifts Viability Versus Cooling Rate (Inverted U Curve) During Freezing for Human Dermal Fibroblasts

Jeunghwan Choi, John C. Bischof
Proc. ASME. SBC2011, ASME 2011 Summer Bioengineering Conference, Parts A and B, 39-40, June 22–25, 2011
Publisher: American Society of Mechanical Engineers
Paper No: SBC2011-53156
https://doi.org/10.1115/SBC2011-53156
View Paper titled, Attachment State Shifts Viability Versus Cooling Rate (Inverted U Curve) During Freezing for Human Dermal Fibroblasts
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Topics: Cooling, Fibroblasts, Freezing, Biological tissues, Biophysics, Cryobiology, Cryonics, Performance
Journal Articles

Thermal Conductivity Measurements of Thin Biological Tissues Using a Microfabricated 3-Omega Sensor

Jeunghwan Choi, Sean D. Lubner, Harishankar Natesan, Yasuhiro Hasegawa, Anthony Fong, Chris Dames, John C. Bischof
Journal: Journal of Medical Devices
Publisher: ASME
Article Type: Technical Briefs
J. Med. Devices. June 2013, 7(2): 020944.
Paper No: MED-13-1051
https://doi.org/10.1115/1.4024322
Published Online: June 11, 2013
View Article titled, Thermal Conductivity Measurements of Thin Biological Tissues Using a Microfabricated 3-Omega Sensor
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Topics: Biological tissues, Sensors, Thermal conductivity, Temperature
Journal Articles

Thermal Processing of Biological Tissue at High Temperatures: Impact of Protein Denaturation and Water Loss on the Thermal Properties of Human and Porcine Liver in the Range 25–80 °C

Jeunghwan Choi, Michael Morrissey, John C. Bischof
Journal: ASME Journal of Heat and Mass Transfer
Publisher: ASME
Article Type: Research-Article
J. Heat Mass Transfer. June 2013, 135(6): 061302.
Paper No: HT-12-1566
https://doi.org/10.1115/1.4023570
Published Online: May 16, 2013
View Article titled, Thermal Processing of Biological Tissue at High Temperatures: Impact of Protein Denaturation and Water Loss on the Thermal Properties of Human and Porcine Liver in the Range 25–80 °C
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Topics: Biological tissues, Heating, Liver, Proteins, Specific heat, Thermal conductivity, Thermal properties, Water, Temperature
Journal Articles

Methods for Characterizing Convective Cryoprobe Heat Transfer in Ultrasound Gel Phantoms

Michael L. Etheridge, Jeunghwan Choi, Satish Ramadhyani, John C. Bischof
Journal: Journal of Biomechanical Engineering
Publisher: ASME
Article Type: Research-Article
J Biomech Eng. February 2013, 135(2): 021002.
Paper No: BIO-12-1391
https://doi.org/10.1115/1.4023237
Published Online: February 7, 2013
View Article titled, Methods for Characterizing Convective Cryoprobe Heat Transfer in Ultrasound Gel Phantoms
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Topics: Freezing, Heat transfer, Modeling, Probes, Temperature, Thermal properties, Ultrasound, Fittings, Phantoms, Specific heat