A highly efficient extraction protocol for magnetic particles on a digital microfluidic chip
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Finite element numerical simulations were carried out in 2D geometries to map the magnetic field and force distribution produced by rectangular permanent magnets as a function of their size and position with respect to a microchannel. A single magnet, two ...
The ever increasing demand for large quantities of bio-engineered pharmaceuticals and the tendency for doses to become larger stimulate the development of more productive and reliable mammalian cell culture technologies. In this context, perfusion bioreact ...
Simultaneous washing and concentration of magnetic microparticles was demonstrated using a rotational magnetic system under a continuous-flow condition. The rotation of periodically arranged permanent magnets close to a fluidic channel carrying a suspensio ...
The optical adhesive NOA81 (Norland Products Inc.) is a promising UV-curable material for low-cost microfluidic applications. We demonstrated that its surface energy can be adjusted by different surface treatments or by mixing an additive in the uncured bu ...
Elsevier Science, Reg Sales Off, Customer Support Dept, 655 Ave Of The Americas, New York, Ny 10010 Usa2010
We report on the magnetic actuation of superparamagnetic particles in a microfluidic channel. The formation of a highly confined and dynamic plug of particles extending over the cross section of the microchannel is enabled by superposing a static and a tim ...
In a rotary magnetic refrigerator a porous ring is turning in and out of a magnetic field region. The adiabatic demagnetization of the magnetocaloric material produces the "cold energy". This is described by a discontinuous temperature decrease, known as a ...
This paper shows the generation of monodisperse PLGA micro-droplets in MFFD made of NOA 81. We also present a theory coupled to the MFFD design capable of predicting the size and frequency of the polymer-droplet formation. Chang. et al. have encapsulated n ...
A device for transporting magnetic or magnetisable microbeads ( 25 ) in a capillary chamber ( 14 ) comprises a permanent magnet ( 10 ) or an electromagnet ( 11 ) for subjecting the capillary chamber to a substantially uniform magnetic field, to apply a per ...
We present techniques and methodologies for the manipulation of magnetic micro- and nanoparticles ('beads') in microfluidic systems. We first introduce the most important forces that act on magnetic particles in a microfluidic system. Starting with the mag ...
Springer, 101 Philip Drive, Norwell, Ma 02061 Usa2010
We present a method for magneto-microfluidic three-dimensional focusing of magnetic microparticles from a dense plug into a single streamline with longitudinal inter-particle spacing. Plug formation on-chip is induced by a high-gradient magnetic field gene ...