Research Topics
| Wangcun JiaSummaryAffiliation: University of California Country: USA Publications
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Detail Information
Publications
Photocoagulation of dermal blood vessels with multiple laser pulses in an in vivo microvascular modelWangcun Jia
Beckman Laser Institute and Medical Clinic, Department of Surgery, University of California, Irvine, California 92617 3010, USA
Lasers Surg Med 44:144-51. 2012..To improve PWS therapeutic efficacy, we evaluated the performance of an approach based on multiple laser pulses (MLP) to enhance blood vessel photocoagulation...
Heat-transfer dynamics during cryogen spray cooling of substrate at different initial temperaturesWangcun Jia
Beckman Laser Institute, University of California, Irvine, CA 92612 1475, USA
Phys Med Biol 49:5295-308. 2004..It is concluded that heat transfer between the cryogen spray and skin phantom remains in the nucleate boiling region even if T0 is 80 degrees C...
Dynamic skin cooling with an environmentally compatible alternative cryogen during laser surgeryWangcun Jia
Beckman Laser Institute, University of California Irvine, 1002 Health Sciences Road East, Irvine, CA 92612, USA
Lasers Surg Med 39:776-81. 2007..However, R134a has a very high global warming potential (GWP = 1300). Our objective was to evaluate the cooling effectiveness of an alternative cryogen with a much lower GWP, namely liquid carbon dioxide (CO(2), GWP = 1)...
Treatment of cutaneous vascular lesions using multiple-intermittent cryogen spurts and two-wavelength laser pulses: numerical and animal studiesWangcun Jia
Beckman Laser Institute, University of California, Irvine, California 92612 1475, USA
Lasers Surg Med 39:494-503. 2007..In this study, the feasibility of applying multiple cryogen spurts intermittently with multiple two-wavelength laser pulses (MCS-MTWLP) was studied using numerical and animal models...
Improvement of port wine stain laser therapy by skin preheating prior to cryogen spray cooling: a numerical simulationWangcun Jia
Beckman Laser Institute, University of California, Irvine, 92612, USA 92612, USA
Lasers Surg Med 38:155-62. 2006....
Long-term blood vessel removal with combined laser and topical rapamycin antiangiogenic therapy: implications for effective port wine stain treatmentWangcun Jia
Beckman Laser Institute, University of California, Irvine, California 92617 3010, USA
Lasers Surg Med 42:105-12. 2010..Our objectives were to (1) investigate whether topical RPM can inhibit reperfusion of photocoagulated blood vessels in an animal model and (2) determine the effective RPM concentration required to achieve this objective...
Thermal responses of ex vivo human skin during multiple cryogen spurts and 1,450 nm laser pulsesRong Zhang
Beckman Laser Institute, University of California, Irvine, 92612, USA
Lasers Surg Med 38:137-41. 2006..The objective of this study is to measure temperature variations at the epidermal-dermal junction in ex vivo human skin during three clinically relevant multiple cryogen spurt-laser pulse sequences (MCS-LPS)...
High-resolution imaging of microvasculature in human skin in-vivo with optical coherence tomographyGangjun Liu
Beckman Laser Institute, University of California, Irvine, Irvine, California 92612, USA
Opt Express 20:7694-705. 2012..2 mm in human skin. These results collectively demonstrated the potential of the method to monitor the microvasculature during disease progression and in response to therapeutic intervention...
Extent of lateral epidermal protection afforded by a cryogen spray against laser irradiationWalfre Franco
Department of Mechanical Engineering, University of California, Riverside, California 92521, USA
Lasers Surg Med 39:414-21. 2007..The objective of the present study is to investigate the extent of lateral epidermal protection afforded by a cryogen spray during laser irradiation...
Infrared measurement of human skin temperature to predict the individual maximum safe radiant exposure (IMSRE)Wim Verkruysse
Beckman Laser Institute and Medical Clinic, University of California Irvine, 1002 Health Sciences Road East, Irvine, CA 92612, USA
Lasers Surg Med 39:757-66. 2007..An objective and quantitative method to assess the individual maximum safe radiant exposure (IMSRE) would help clinicians optimize LHR while at the same time providing the safest possible laser therapy...
Fluid and thermal dynamics of cryogen sprays impinging on a human tissue phantomWalfre Franco
Beckman Laser Institute, University of California, Irvine, CA 92612, USA
J Biomech Eng 130:051005. 2008..Temperatures in human tissue during CSC for the spray system and parameters used herein are estimated to be approximately -19 degrees C at the stratum corneum surface and >0 degrees C across the epidermis...
Topical rapamycin suppresses the angiogenesis pathways induced by pulsed dye laser: Molecular mechanisms of inhibition of regeneration and revascularization of photocoagulated cutaneous blood vesselsWenbin Tan
Departments of Surgery and Biomedical Engineering, Beckman Laser Institute and Medical Clinic, University of California, Irvine, Irvine, California 92617
Lasers Surg Med 44:796-804. 2012..Herein, we attempt to further elucidate the molecular pathophysiology on the inhibition of the regeneration and revascularization of photocoagulated blood vessels by topical RPM in an animal model...
Wide-field functional imaging of blood flow and hemoglobin oxygen saturation in the rodent dorsal window chamberAustin J Moy
Beckman Laser Institute, University of California, Irvine, 1002 Health Sciences Road East, Irvine, CA 92612, USA
Microvasc Res 82:199-209. 2011..Compared with intravital microscopy, wide-field functional imaging requires simple instrumentation, is inexpensive, and can give detailed metabolic information over a wide field of view...
Intensity-based modified Doppler variance algorithm: application to phase instable and phase stable optical coherence tomography systemsGangjun Liu
Beckman Laser Institute, University of California, Irvine, Irvine, California 92612, USA
Opt Express 19:11429-40. 2011..In-vivo imaging of the human choroidal blood vessel network is demonstrated with the proposed method under the phase stable situation. Depth-resolved fine choroidal blood vessel networks are shown...
The importance of long-term monitoring to evaluate the microvascular response to light-based therapiesBernard Choi
J Invest Dermatol 128:485-8. 2008
Can the wound healing response of human skin be modulated after laser treatment and the effects of exposure extended? Implications on the combined use of the pulsed dye laser and a topical angiogenesis inhibitor for treatment of port wine stain birthmarksThuy L Phung
Department of Pathology, Beth Israel Deaconess Medical Center, Harvard Medical School, Boston, Massachusetts, USA
Lasers Surg Med 40:1-5. 2008
