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Light-Driven Monodirectional Molecular Rotor

Nature, 1999 · paper · Chemistry

Describes a synthetic molecule that rotates continuously in one direction when driven by light and heat. The shown text covers only a related chemically driven rotation (via carbonyl dichloride) and references, so the light-driven result is not detailed.

1 finding

Reference or label Ref. 10 title is printed as "Directed observation of the rotation of F1-ATPase"; the same Noji et al. Nature 386 paper is cited on p. 2 as "Direct observation of the rotation of F1-ATPase".
  • p. 4 Reference list, ref. 10
    Directed observation of the rotation of F1-
  • p. 2 Kelly et al. ref. 5 (same paper)
    Direct observation of the rotation of F1-ATPase

Judge's note: The p. 4 image shows 'Directed'. The p. 2 image (Kelly et al. ref. 5) shows 'Direct' for the same authors and journal. This is a misquoted title within the same file.

Second check: another model agreed

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9 minor (typos and the like; most checked by the judge only)
Typo Stray 'k' in author name: "Rousselet, J., Salome, L., Ajdari,k A. & Prost, J." (ref. 16 of the preceding Kelly et al. letter, PDF p. 2).
  • p. 2
    Ajdari,k A. & Prost, J.

Judge's note: The page-2 image shows 'Ajdari,k A.' in ref. 16. This entry belongs to the preceding Kelly et al. letter printed on the same PDF page, not to the Feringa rotor letter, but the page is within the in-scope range. Cosmetic typo.

Second check: none (judge only)

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Typo Subject-verb disagreement: "why the thermal M,M to P,P double helix reversal for both the trans-isomer 1 and the cis-isomer 2 are irreversible".
  • p. 3 main text, 'The main question'
    why the thermal M,M to P,P double helix reversal for both the trans-isomer 1 and the cis-isomer 2 are irreversible

Judge's note: The p. 3 image confirms the wording. The grammatical subject is the singular 'reversal', yet the verb is 'are'. Calling a helix reversal irreversible is not contradictory in meaning, so this is grammar only.

Second check: none (judge only)

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Typo Ref. 1 publisher printed as "(Reinbold, New York, 1961)".
  • p. 4 Reference list, ref. 1
    (Reinbold, New York, 1961)

Only the authors can say what is right here.

Judge's note: Rests on outside knowledge: the publisher of Miniaturization (ed. Gilbert, 1961) is Reinhold, New York. The p. 4 image shows 'Reinbold'.

Second check: none (judge only)

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Typo Ref. 2 book title misspelled: "Nanosysterns: Molecular Machinery, Manufacturing and Computation".
  • p. 4 Reference list, ref. 2
    Nanosysterns: Molecular Machinery, Manufacturing and Computation
  • p. 4 reference 2
    Nanosysterns: Molecular Machinery

Judge's note: The p. 4 image shows 'Nanosysterns', an 'rn'-for-'m' misspelling of 'Nanosystems'.

Second check: none (judge only)

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Typo Ref. 11 spells the author "Stoddard, J. F.", while ref. 6 of the same list spells him "Stoddart, J. F.".
  • p. 4 Reference list, ref. 11
    Balzani, V., Gómez-López, M. & Stoddard, J. F.
  • p. 4 Reference list, ref. 6
    Kaifer, A. E. & Stoddart, J. F.
  • p. 4 Reference 6
    Stoddart, J. F.
  • p. 4 Reference 11
    Gómez-López, M. & Stoddard, J. F.

Judge's note: The p. 4 image confirms 'Stoddard' in ref. 11 and 'Stoddart' in ref. 6. This is an inconsistent spelling of the same author within one reference list.

Second check: none (judge only)

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Typo Fig. 3 caption is missing words: "Circular dichroism (CD) spectra system in each of four stages of switching".
  • p. 4 Figure 3 caption
    Circular dichroism (CD) spectra system in each of four stages of switching
  • p. 4 Figure 3 caption
    Circular dichroism (CD) spectra system in each of four stages

Judge's note: The p. 4 image confirms the wording. It presumably should read 'CD spectra of the system in each of the four stages'. The meaning is recoverable.

Second check: none (judge only)

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Typo Nonstandard spelling "photochemically interconvertable cis and trans" (usually 'interconvertible').
  • p. 4 Final paragraph
    photochemically interconvertable cis and trans

Judge's note: The p. 4 image confirms 'interconvertable'. This is a rare variant spelling; cosmetic only.

Second check: none (judge only)

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Typo Ref. 17 journal abbreviation misprinted: "Angew. Chem. Int Edn Bngl. 37, 909-910".
  • p. 5 Reference list, ref. 17
    Angew. Chem. Int Edn Bngl. 37, 909-910
  • p. 5 reference 17
    Int Edn Bngl. 37
  • p. 5
    Int Edn Bngl. 37, 909-910

Judge's note: The p. 5 image shows 'Int Edn Bngl.'. Refs 4 and 9 of the same list use 'Angew. Chem. Int. Edn Engl.'. 'Bngl.' should be 'Engl.', and the full stop after 'Int' is missing.

Second check: none (judge only)

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Typo E-mail address contains a stray space: "B.L.Feringa@chem. rug.nl".
  • p. 5 correspondence line
    B.L.Feringa@chem. rug.nl

Judge's note: The p. 5 image shows the space inside the address, mid-line. It is not at a line break, so it is not an extraction artefact.

Second check: none (judge only)

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