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سی امین کنفرانس بین المللی مهندسی برق
ZnO-based Acoustofluidics: Droplet-based Particle Manipulation
نویسندگان :
Sara Abbasi
1
Behdad Barahimi
2
Sara Darbari
3
Mohammad Kazem Moravvej-Farshi
4
Mohammad Zabetian
5
1- دانشگاه تربیت مدرس
2- دانشگاه تربیت مدرس
3- دانشگاه تربیت مدرس
4- دانشگاه تربیت مدرس
5- دانشگاه تربیت مدرس
کلمات کلیدی :
acoustofluidics, particle manipulation, zinc oxide, travelling surface acoustic wave, standing surface acoustic wave
چکیده :
Droplet microfluidics as a cost effective and precise branch of microfluidics provides shorter time analyses than continuous-flow branch. This feature, along with smaller amount of sample has attracted a large number of researchers. Here, a droplet-based Acoustofluidics platform is developed to investigate the imposed travelling surface acoustic wave (TSAW) and standing surface acoustic wave (SSAW) influence on polystyrene (PS) microbeads that are dispersed in a deionized water droplet. Aluminum interdigital transducers (IDTs) are patterned through lift-off process over the zinc oxide (ZnO) thin film; the ZnO thin film serves as the piezoelectric layer which is RF sputtered on silicon oxide- silicon substrate. By tracing the PS microparticles motion, the effect of interacting forces in both TSAW and SSAW regimes is investigated and the formation of acoustic streaming vortices is shown.
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بیشتر
ثمین همایش، سامانه مدیریت کنفرانس ها و جشنواره ها - نگارش 44.7.2
