Dielectric monitoring of rouleaux formation in human whole blood: a feasibility study.
In search of a method for detecting rouleaux formation in vitro, we studied the dielectric behavior of human blood under both agitated and stationary conditions. Among the parameters examined, relative permittivity ('dielectric constant') at 50-100 kHz was found to be a suitable measure of rouleaux growth, which has been difficult to quantify through conventional optical approaches. The electrical method presented here appears applicable to the kinetic analysis of rouleaux formation in undiluted whole blood.
Irimajiri
A
A
Department of Physiology, Kochi Medical School, Nankoku, Japan.
Ando
M
M
Matsuoka
R
R
Ichinowatari
T
T
Takeuchi
S
S
D004553:Electric Conductivity; D004594:Electrophysiology / Q000379:methods*; D004903:Erythrocyte Aggregation; D004912:Erythrocytes / Q000166:cytology; D006801:Humans; D008857:Microscopy, Interference