Magnetophoretic Velocity Determined by Space-and Time-Resolved Extinction Profiles

Olga Mykhaylyk, Dietmar Lerche, Dialechti Vlaskou, Veronika Schoemig, Torsten Detloff, Daniel Krause, Markus Wolff, Timo Joas, Sonja Berensmeier, Christian Plank

Research output: Contribution to journalArticlepeer-review

11 Scopus citations

Abstract

Magnetophoretic velocity of magnetic nano-objects for biomedical applications was characterized by measuring space-and time-resolved extinction profiles (STEP-Technology) using a customized LUMiReader device equipped with a set of permanent magnets (STEP-MAG). The resulting magnetic fields and gradients in a sample volume enable the operator to choose measurement conditions for magnetic micro-and nanoparticles and their assemblies. The dependence of magnetophoretic velocity on concentration and optical wavelengths indicated assembly of the nano-objects upon magnetophoresis. The method has potential applications in biomedicine to develop advanced materials and protocols for cell separation, tissue engineering, and drug/nucleic acid targeting.

Original languageEnglish
Article number7229292
JournalIEEE Magnetics Letters
Volume6
DOIs
StatePublished - 2015

Keywords

  • Extinction profiles
  • Magnetophoretic velocity
  • Nano-object suspension
  • Nanomagnetics

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