Electrothermally excited plasma droplet evolution on the laser-patterned surface
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作者:
Li, Kaikai
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South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R ChinaSouth China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R China
Li, Kaikai
[1
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Xie, Yingxi
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South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R ChinaSouth China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R China
Xie, Yingxi
[1
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Yu, Min
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Guangdong Acad Med Sci, Guangdong Prov Peoples Hosp, Dept Gen Surg, Guangzhou 510080, Peoples R ChinaSouth China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R China
Yu, Min
[2
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Gao, Jiao
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South China Univ Technol, Shien Ming Wu Sch Intelligent Engn, Guangzhou 511442, Peoples R ChinaSouth China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R China
Gao, Jiao
[3
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Tang, Biao
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South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R ChinaSouth China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R China
Tang, Biao
[1
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Lu, Longsheng
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South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R ChinaSouth China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R China
Lu, Longsheng
[1
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机构:
[1] South China Univ Technol, Sch Mech & Automot Engn, Guangzhou 510641, Peoples R China
[2] Guangdong Acad Med Sci, Guangdong Prov Peoples Hosp, Dept Gen Surg, Guangzhou 510080, Peoples R China
[3] South China Univ Technol, Shien Ming Wu Sch Intelligent Engn, Guangzhou 511442, Peoples R China
Droplet behavior involving electrothermal coupling fields has gradually attracted the attention of researchers, one of which includes electrosurgical scalpels that often contact biofluids. However, the evolution of bio-droplets exposed to the surface of electrosurgical scalpels is not yet well understood. Here, we experimentally studied the effect of different heating temperatures on plasma droplets on the laser-patterned surface (LPS) and the original surface (OS) under defined direct-current (DC) or alternating-current (AC) electric fields. The results show that at a lower heating temperature, the evolution of plasma droplets was dominated by electrolysis. Oxygen bubbles generated on the papillae on the LPS in the DC field inhibited the targeted adsorption of plasma proteins on this surface. In contrast, in the AC field, only a small number of bubbles was generated, which is not sufficient to inhibit protein adsorption, leading to the formation of coagulation on the papillae after heating. At higher heating temperatures, the rapid formation of coagulation resulted in the suppression of electrolysis. The plasma proteins were then transported by the Marangoni flow causing coagulation to reach a thickness of stress mutation. Stress release over the entire coagulation caused its edges to bend and then detach from the papillae. Thus, the LPS exhibited excellent anti-adhesive properties to plasma droplets under electrothermal excitations compared to the OS. This study provides valuable information for understanding the mechanisms of contact behavior between biofluids and electrosurgical scalpels and demonstrates great promise for their anti-adhesive performance.
机构:
Ewha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South KoreaEwha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea
Lim, Eunji
Lee, Ha Heun
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Ewha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South KoreaEwha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea
Lee, Ha Heun
Hong, Seungho
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Sogang Univ, Dept Phys, Seoul 04107, South Korea
Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 08826, South KoreaEwha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea
Hong, Seungho
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Lee, Seungyeon
Cho, Woohyun
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Korea Adv Inst Sci & Technol KAIST, Dept Phys, Daejeon 34141, South KoreaEwha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea
Cho, Woohyun
Baik, Jaeyoon
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Pohang Accelerator Lab PAL, Beamline Div, Pohang 37673, South KoreaEwha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea
Baik, Jaeyoon
Yang, Heejun
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Korea Adv Inst Sci & Technol KAIST, Dept Phys, Daejeon 34141, South KoreaEwha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea
Yang, Heejun
Yoo, Hyobin
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Seoul Natl Univ, Dept Mat Sci & Engn, Seoul 08826, South KoreaEwha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea
Yoo, Hyobin
Chiang, Ching-Yu
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Natl Synchrotron Radiat Res Ctr, Mat Sci Grp, Hsinchu 30076, TaiwanEwha Womans Univ, Coll Engn, Dept Chem Engn & Mat Sci, Seoul 03760, South Korea