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Dual Roles of Dissolved Organic Matter as Sensitizer and Quencher in the Photooxidation of Tryptophan

https://doi.org/10.1021/es500535a
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Every reference with a DOI in the deposited reference list resolved to a known work in Crossref or DataCite at the dated check, and none carried a retraction, withdrawal, or removal notice.

2 without a DOI — not checked. A reference deposited without a DOI is never matched by title or guessed at; it stays outside the checked set, and this line discloses that.

The 36 checked references that resolve
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resolves10.1039/b719982a
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resolves10.1021/es102212t
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Electrochemical Properties of Natural Organic Matter (NOM), Fractions of NOM, and Model Biogeochemical Electron Shuttles
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resolves10.1021/es800349b
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Aqueous Oxidation of Phenylurea Herbicides by Triplet Aromatic Ketones
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The 2 references without a DOI — listed, not checked
no DOI — not checkedref8/cit8
no DOI — not checkedref33/cit33
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