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Effect of structural modifications on photosensitizing activities of hypocrellin dyes: EPR and spectrophotometric studies

https://doi.org/10.1016/s0891-5849(98)00310-4
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40/40 checkable references clean · checked 2026-07-23

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.

7 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 40 checked references that resolve
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PHOTOSENSITIZERS: THERAPY AND DETECTION OF MALIGNANT TUMORS
resolves10.1111/j.1751-1097.1992.tb04222.x
HOW DOES PHOTODYNAMIC THERAPY WORK?
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DEFINITION OF TYPE I and TYPE II PHOTOSENSITIZED OXIDATION
resolves10.1016/0959-8049(92)90080-L
Photodynamic therapy
resolves10.1016/0163-7258(94)90054-X
Phototherapeutic potential of alternative photosensitizers to porphyrins
resolves10.1111/j.1751-1097.1997.tb01915.x
Preclinical Assessment of Hypocrellin B and Hypocrellin B Derivatives as Sensitizers for Photodynamic Therapy of Cancer: Progress Update
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NOVEL THERAPEUTIC AND DIAGNOSTIC APPLICATIONS OF HYPOCRELLINS AND HYPERICINS
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HYPOCRELLIN, FROM <i>HYPOCRELLA BAMBUASE</i>, IS PHOTOTOXIC TO HUMAN IMMUNODEFICIENCY VIRUS
resolves10.1021/bi00048a030
Roles of Oxygen and Photoinduced Acidification in the Light-Dependent Antiviral Activity of Hypocrellin A
resolves10.1111/j.1751-1097.1997.tb08570.x
Antiviral Activities of Photoactive Perylenequinones
resolves10.1111/j.1751-1097.1997.tb03209.x
Photoinactivation of Virus Infectivity by Hypocrellin A
resolves10.1016/1011-1344(95)07214-4
Damage to pBR322 DNA photosensitized by hypocrellin A in liposomes and its derivative in solution
resolves10.1016/1011-1344(92)85099-G
Relationship between photosensitizing activities and chemical structure of hypocrellin a and b
resolves10.1016/0891-5849(93)90503-M
EPR studies of singlet oxygen (1O2) and free radicals (O2.-, .OH, HB.-) generated during photosensitization of hypocrellin B
resolves10.1016/1011-1344(93)80013-Y
Studies of the sulfonation of hypocrellin A and the photodynamic actions of the product
resolves10.1016/1011-1344(95)07227-6
Generation of semiquinone radical anion and reactive oxygen (1O2, O2•− and •OH) during the photosensitization of a water-soluble perylenequinone derivative
resolves10.1016/S1010-6030(98)00273-1
Photodynamic action of a water-soluble hypocrellin derivative with enhanced absorptivity in the phototherapeutic window I: ESR and UV-Vis studies on the photogeneration of the semiquinone anion radical and hydroquinone
resolves10.1016/S1010-6030(98)00436-5
Photodynamic action of a water-soluble hypocrellin derivative with enhanced absorptivity in the phototherapeutic window II. Photosensitized generation of active oxygen species
resolves10.1080/095530098141230
EPR and spectrophotometric studies on free radicals (O2-, Cysa-HB-) and singlet oxygen (1O) generated by irradiation of cysteamine substituted hypocrellin B
resolves10.1016/1010-6030(92)85123-C
Photosensitization with anticancer agents 13. The production of singlet oxygen by halogenated and metal-ion-chelated perylenequinones
resolves10.1016/1011-1344(93)06973-7
Studies on the chelation of hypocrellin A with aluminium ion and the photodynamic action of the resulting complex
resolves10.1016/S1011-1344(98)00116-X
Photoreactions of hypocrellin B with thiol compounds
resolves10.1021/j100501a015
Detection of superoxide ions in nonaqueous media. Generation by photolysis of pigment dispersions
resolves10.1038/263442a0
New method of detecting singlet oxygen production
resolves10.1016/1011-1344(94)85037-2
Photosensitization by hypericin: Electron spin resonance (ESR) evidence for the formation of singlet oxygen and superoxide anion radicals in an in vitro model
resolves10.1016/1010-6030(92)85002-C
Photosensitization by anticancer agents 12. Perylene quinonoid pigments, a novel type of singlet oxygen sensitizer
resolves10.1016/1010-6030(95)04042-E
Spectroscopic study on the photoreduction of hypocrellin A: generation of semiquinone radical anion and hydroquinone
resolves10.1039/ft9918702943
Absorption spectra of the radical ions of quinones: a pulse radiolysis study
resolves10.1111/j.1751-1097.1997.tb01929.x
EPR and Spectrophotometric Studies of Free Radicals (O<sub>2</sub>°<sup>−</sup>, °OH, BPD‐MA°<sup>−</sup>) and Singlet Oxygen (<sup>1</sup>O<sub>2</sub>) Generated by Irradiation of Benzoporphyrin Derivative Monoacid Ring A
resolves10.1016/S1011-1344(96)07440-4
Production of the free radicals O.-2 and .OH by irradiation of the photosensitizer zinc(II) phthalocyanine
resolves10.1039/p29920001439
EPR studies of hypericin. Photogeneration of free radicals and superoxide
resolves10.1021/cr00018a004
Singlet oxygen O2(1.DELTA.g) bimolecular processes. Solvent and compartmentalization effects
resolves10.1016/1011-1344(95)07199-7
Electron paramagnetic resonance evidence of the generation of superoxide (O2.− and hydroxyl (.OH) radicals by irradiation of a new photodynamic therapy photosensitizer, Victoria Blue BO
resolves10.1016/0003-9861(80)90323-9
Spin trapping of superoxide and hydroxyl radical: Practical aspects
resolves10.1016/0006-291X(78)90398-4
Considerations in the spin trapping of superoxide and hydroxyl radical in aqueous systems using 5,5-dimethyl-1-pyrroline-1-oxide
resolves10.1016/0003-9861(86)90305-X
Oxygen free radicals and iron in relation to biology and medicine: Some problems and concepts
resolves10.1016/0003-9861(91)90103-P
Production of singlet oxygen-derived hydroxyl radical adducts during merocyanine-540-mediated photosensitization: Analysis by ESR-spin trapping and HPLC with electrochemical detection
resolves10.1016/1010-6030(91)90032-O
Photoinduced electron transfer reactions of rose bengal and selected electron donors
resolves10.1111/j.1751-1097.1989.tb04163.x
PHOTOSENSITIZATION OF ANTICANCER AGENTS‐8. ONE‐ELECTRON REDUCTION OF MITOXANTRONE: AN EPR AND SPECTROPHOTOMETRIC STUDY
resolves10.1016/1010-6030(93)85055-D
Studies on the photoinduced sulfonation of hypocrellins
The 7 references without a DOI — listed, not checked
no DOI — not checkedModified porphyrins, chlorins and purpurins
no DOI — not checkedNew photosensitizers for photodynamic therapy
no DOI — not checkedThe structures, properties, photochemical reactions and reaction mechanisms of hypocrellin (I)
no DOI — not checkedPhotosensitization with anticancer agents. 18. Perylenequinonoid pigments as new potential photodynamic therapeutic agents: the preparation and photodynamic activities of amino-substituted perylenequinonoid pigments
no DOI — not checkedPhotodynamic action of brominated hypocrellin B
no DOI — not checkedEPR evidence of superoxide anion radicals by irradiation of a PDT photosensitizer
no DOI — not checkedSpectroscopic studies of a water-soluble derivative of hypocrellin A and its one- and two-electron reduction products
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