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|a (DE-627)NLM175175039
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|a (NLM)18019253
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|a DE-627
|b ger
|c DE-627
|e rakwb
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|a eng
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|a Bennès, Jonathan
|e verfasserin
|4 aut
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|a Detection and high-precision positioning of liquid droplets using SAW systems
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|c 2007
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|a Text
|b txt
|2 rdacontent
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|a ohne Hilfsmittel zu benutzen
|b n
|2 rdamedia
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|a Band
|b nc
|2 rdacarrier
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|a Date Completed 13.12.2007
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|a Date Revised 17.09.2019
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|a published: Print
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|a Citation Status PubMed-not-MEDLINE
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|a The capability to accurately handle liquids in small volumes is a key point for the development of lab-on-chip devices. In this paper, we investigate an application of surface acoustic waves (SAW) for positioning micro-droplets. A SAW device based on a 2 x 2 matrix of inter-digital transducers (IDTs) has been fabricated on a (YXI)/128 degrees LiNbO3 substrate, which implies displacement and detection in two dimensions of droplets atop a flat surface. Each IDT operates at a given frequency, allowing for an easy addressing of the active channel. Furthermore, very low cross-talk effects were observed as no frequency mixing arose in our device. Continuous as well as pulsed excitations of the IDTs have been studied, yielding, respectively, continuous and step-by-step droplet displacement modes. In addition, we also have used these two excitation types to control the velocity and the position of the droplets. We also have developed a theoretical analysis of the detection mode, which has been validated by experimental assessment
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|a Journal Article
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|a Alzuaga, Sébastien
|e verfasserin
|4 aut
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|a Chérioux, Frédŕic
|e verfasserin
|4 aut
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|a Ballandras, Sylvain
|e verfasserin
|4 aut
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|a Vairac, Pascal
|e verfasserin
|4 aut
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|a Manceau, Jean-Francois
|e verfasserin
|4 aut
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|a Bastien, Francois
|e verfasserin
|4 aut
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| 773 |
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|i Enthalten in
|t IEEE transactions on ultrasonics, ferroelectrics, and frequency control
|d 1986
|g 54(2007), 10 vom: 27. Okt., Seite 2146-51
|w (DE-627)NLM098181017
|x 1525-8955
|7 nnns
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| 773 |
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|g volume:54
|g year:2007
|g number:10
|g day:27
|g month:10
|g pages:2146-51
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