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Träfflista för sökning "WFRF:(Beech Jason P.) srt2:(2006-2009)"

Sökning: WFRF:(Beech Jason P.) > (2006-2009)

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1.
  • Beech, Jason P., et al. (författare)
  • Capillary driven separation on patterned surfaces
  • 2009
  • Ingår i: Proceedings of Conference, MicroTAS 2009 - The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences. - 9780979806421 ; , s. 785-787
  • Konferensbidrag (refereegranskat)abstract
    • Deterministic lateral displacement (DLD) is a powerful bimodal separation scheme [1] based on fluid flow through regular obstacle arrays that in its basic embodiment sends suspended particles in two different directions as a function of size. We show that without the need to seal devices and without the need for fluidic connections or pumps, particle separation can be achieved by the passive flow of a sample over a patterned surface. Risk of clogging is minimized by the movement of large particles above the obstacle array. Suitable application areas include blood fractionation and analysis of drinking water. 0
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2.
  • Beech, Jason P., et al. (författare)
  • Gravitationally driven deterministic lateral displacement devices
  • 2009
  • Ingår i: Proceedings of Conference, MicroTAS 2009 - The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences. - 9780979806421 ; , s. 779-781
  • Konferensbidrag (refereegranskat)abstract
    • Deterministic lateral displacement (DLD) is a powerful bimodal separation scheme [1] based on regular obstacle arrays that in its basic embodiment sends particles in two different directions as a function of size. We add functionality to the technique by including gravitational forces, as a perturbation to particles transported by fluid flow, and as a way of transporting the particles through a stationary fluid.
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3.
  • Beech, Jason P., et al. (författare)
  • Shape-based particle sorting - A new paradigm in microfluidics
  • 2009
  • Ingår i: Proceedings of Conference, MicroTAS 2009 - The 13th International Conference on Miniaturized Systems for Chemistry and Life Sciences. - 9780979806421 ; , s. 800-802
  • Konferensbidrag (refereegranskat)abstract
    • Conventional fractionation techniques fail to fully benefit from the variety in morphology and shape that is found among biological particles. Although light scattering in conventional FACS gives some information on the size and morphology of a particle, it is generally not capable of giving a definite number on specified dimensions of a small object. We demonstrate an approach where we select which dimension of a particular object is used to determine its trajectory through an obstacle course and thereby sort not merely with respect to hydrodynamic radius but rather with respect to e.g. thickness, length or width.
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4.
  • Beech, Jason P., et al. (författare)
  • Throughput through thin-film fluidics
  • 2008
  • Ingår i: ; , s. 1492-1494
  • Konferensbidrag (refereegranskat)abstract
    • We demonstrate fluidics realized in thin film plastic foils patterned using roll-toroll nanoimprinting lithography (rrNIL). Realizing fluidics devices in thin plastic foils opens up for parallel operation in stacked devices. It also provides a convenient format for storage and distribution of the devices.
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5.
  • Beech, Jason P., et al. (författare)
  • Tipping the balance with dielectrophoretic forces - An electric deterministic lateral displacement device
  • 2008
  • Ingår i: ; , s. 95-97
  • Konferensbidrag (refereegranskat)abstract
    • We present experimental results and simulations on a simple method for tunable particle separation based on a combination of Deterministic Lateral Displacement (DLD) and Insulator Based Dielectrophoresis (I-DEP). Rather than deriving its tunability from its elastic properties[1], our present device uses an applied AC field to perturb the particle trajectories in the pressure-driven flow and is thereby capable of scanning the critical size over a range of factor two. Potential benefits include: extended dynamic range, facilitated fabrication and less clogging for given particle sizes, and combination of the precision afforded by DLD with the versatility of DEP.
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  • Resultat 1-5 av 5
Typ av publikation
konferensbidrag (5)
Typ av innehåll
refereegranskat (5)
Författare/redaktör
Beech, Jason P. (5)
Tegenfeldt, Jonas O. (5)
Jönsson, Peter (1)
Mäkelä, Tapio (1)
Majander, Päivi (1)
Lärosäte
Lunds universitet (5)
Språk
Engelska (5)

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