Dielectrophoretic dynamic light-scattering (DDLS) spectroscopy | Zendy

Folim G. Halaka | Zendy

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Dielectrophoretic dynamic light-scattering (DDLS) spectroscopy

Author(s) -

Folim G. Halaka

Publication year - 2003

Publication title -

proceedings of the national academy of sciences

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 5.011

H-Index - 771

eISSN - 1091-6490

pISSN - 0027-8424

DOI - 10.1073/pnas.1233790100

Subject(s) - dynamic light scattering , light scattering , spectroscopy , materials science , macromolecule , electric field , polarizability , scattering , optics , molecular physics , physics , chemistry , nanotechnology , biochemistry , quantum mechanics , molecule , nanoparticle

Dielectrophoretic dynamic light-scattering (DDLS) spectroscopy is presented. DDLS identifies macromolecules based on their dielectric, or polarizability, properties. DDLS measurements are carried out in an oscillating, nonuniform electric field. The field induces macromolecules to undergo dielectrophoretic motion, which is detected by the modulation in the dynamic light-scattering autocorrelation function. The DDLS experimental setup, data analysis, and data on latex particles and yeast cells are presented.

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