A cooperative effort with the UALR Department of Physics is actively
pursuing several new techniques of improving ultrasound delivery to targets
within various parts of the human body. This is not the usual
diagnostic ultrasound technology using 2-10 mHz frequencies; rather, it is
centered on lower frequencies ranging from 20 kHz to 1 mHz. This
allows much improved range and much improved penetration of energy through
various soft tissues and bony structures. The object here is to
develop simple application techniques that can deliver therapeutic levels
of low-frequency ultrasound within the calvarium, within the base of the
skull, and within the neck, for treatment of stroke in conjunction with
either tPA or microbubbles or both. It will also have applications in
other areas that are easier to reach. These efforts have been
performed in both UALR and UAMS laboratories and are ongoing.
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