Evidence map›Paper›PMID 21980224›Full record

ArticleJournal of clinical biochemistry and nutrition2011

Free radical formation from sonolysis of water in the presence of different gases.

Masahiro Kohno, Takayuki Mokudai, Toshihiko Ozawa, Yoshimi Niwano

Abstract read
In one paragraph

Article in Journal of clinical biochemistry and nutrition, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 20 papers.

0numbers the graph read from it
0cells of the map it votes in
20citing papers in PubMed
–field-weighted citation impact
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

20 citing papers in PubMed.

  1. Article
  2. Article
  3. Article
  4. Progress of researches on synergetic mechanism of micro-nano-bubble-assisted ozonation.Water science and technology : a journal of the International Association on Water Pollution Research · 2025
    Review
  5. Review
  6. Mechanochemical Degradation of Biopolymers.Molecules (Basel, Switzerland) · 2023
    Review
  7. Article
  8. Article
  9. Article
  10. Review
  11. Article
  12. Article
  13. Review
  14. Article
  15. Article
  16. Article
  17. Article
  18. Article
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

4 authors.

Masahiro KohnoNew Industry Creation Hatchery Center, Tohoku University, 6-6-10 Aoba, Aramaki, Aoba-ku, Sendai, Miyagi 980-8579, Japan.
Takayuki Mokudai
Toshihiko Ozawa
Yoshimi Niwano

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

In the present study by applying electron spin resonance-spin trapping method, when a high frequency (1650 kHz) ultrasound was irradiated to water dissolved with different gas molecules (O(2), N(2), Ar, Ne, He, and H(2)) at 25°C of water bulk temperature, free radical generation pattern differed dependently on the dissolved gas molecules. Only (•)OH was detected in the O(2)-dissolved water sample, and the amount of the radical was much greater than that determined in any of other gas-dissolved water samples. One of the possible reasons to explain why the (•)H radical was not detected in the O(2)-dissolved water is that the (•)H reacts with O(2) to form (•)OOH. However, no electron spin resonance signals related to the adduct of not only 5,5-dimethyl-1-pyrroline-N-oxide but 5-(2,2-Dimethyl-1,3-propoxy cyclophosphoryl)-5-methyl-1-pyrroline N-oxide and (•)OOH were observed. In the H(2)-dissolved water, only (•)H was detected, suggesting that H(2) reduces or neutralizes (•)OH. In the N(2)-disolved water, both (•)OH and (•)H were detected at comparable level. In the water samples dissolved with rare gases (Ar, Ne, and He), the amount of (•)H was almost double as compared with that of (•)OH, and both (•)OH and (•)H yields increased in the order Ar > Ne > He.

Indexed as

electron spin resonanceradical formationwater sonolysis

Identifiers

PMID21980224
PMCPMC3171683

What OpenQuestion holds

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Registered trials

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.