One- and two-particle dynamics in microfluidic T-junctions

S.T.T. Ollila, C. Denniston, T. Ala-Nissilä

Tutkimustuotos: LehtiartikkeliArticleScientificvertaisarvioitu

6 Sitaatiot (Scopus)
92 Lataukset (Pure)

Abstrakti

Advances in precise focusing of colloidal particles in microfluidic systems open up the possibility of using microfluidic junctions for particle separation and filtering applications. We present a comprehensive numerical study of the dynamics of solid and porous microparticles in T-shaped junctions. Good agreement with experimental data is obtained on the location of particle-separating streamlines for single solid particles with realistic parameters corresponding to the experiments. We quantify the changes in the position of the separating line for porous, partially penetrable colloids. A prediction of the full phase diagram for particle separation is presented in the case of two successive particles entering a T-junction. Our results suggest the intriguing possibility of using the one- and two-particle T-junctions as logic gates.
AlkuperäiskieliEnglanti
Artikkeli050302
Sivut1-5
JulkaisuPhysical Review E
Vuosikerta87
Numero5
DOI - pysyväislinkit
TilaJulkaistu - 2013
OKM-julkaisutyyppiA1 Julkaistu artikkeli, soviteltu

Tutkimusalat

  • colloid
  • colloidal computer
  • complex fluid
  • controlled delivery

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