Ultrasound

[email hidden] (doe) wrote in news:20031231105828.14410.00002006
@mb-m28.aol.com:

Quoted message said:

Ultrasound Med Biol. 2003 Dec;29(12):1799-1803. Links

Ultrasound-mediated release of iron from ferritin.

Morrissey JM, Taylor KD, Gilman SD.

Cavalier Discovery Incorporated, Mason, OH, USA

We investigated the release of iron from ferritin in aqueous solutions

exposed

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to high-frequency ultrasound (US). Our data suggests that superoxide

produced

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as a result of ultrasonic cavitation acts as a reducing agent, enabling

the

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release of iron from ferritin. We also found that the release of

ferritin iron

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during US exposure is enhanced by the addition of 5-hydroxy-1,4-

naphthoquinone.

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We hypothesize that this quinone is ultrasonically transformed into a
semiquinone radical capable of directly and indirectly reducing Fe(3+)

in

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ferritin to soluble Fe(2+). Our proposed mechanism for the release of

iron from

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ferritin adds new insight to the synergistic effect of quinone-

containing

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cancer drugs with US. (E-mail: [email hidden])

PMID: 14698347 [PubMed - as supplied by publisher]

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IIRC, cavitation would be quite harmful if done within the human body.
The sound energy involved is quite high and would cause severe tissue
damage.

r

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Nothing beats the bandwidth of a station wagon filled with DLT tapes.