OOIR: Observatory of International Research

Papers

(The TQCC of Photochemistry and Photobiology is 5. The table below lists those papers that are above that threshold based on CrossRef citation counts [max. 250 papers]. The publications cover those that have been published in the past four years, i.e., from 2021-05-01 to 2025-05-01.)

Article	Citations
Transcriptome analysis in mouse skin after exposure to ultraviolet radiation from a canopy sunbed	161
Survey of Home‐Use UV Disinfection Products^†	124
Deprotonation Dynamics of Guanine Radical Cations^†	61
Serial Cross‐Sectional Observations of Sun‐Protective Behaviors at an Annual Outdoor Motorsport Event in Tropical Queensland, Australia	55
Optical Attenuators Extend Dynamic Range but Alter Angular Response of Planar Ultraviolet‐C Dosimeters	54
Caged Oxime Reactivators Designed for the Light Control of Acetylcholinesterase Reactivation^†	42
Effects of photobiomodulation therapy (660‐nm laser) on median nerve function in Wistar rats	40
Biological Impact of Shorter Wavelength Ultraviolet Radiation‐C^†	35
Homeophasic Adaptation in Response to UVA Radiation in Pseudomonas aeruginosa: Changes of Membrane Fatty Acid Composition and Induction of desA and desB Expression	32
Inoculation of methylotrophs mitigates heat and UV stress in mung bean (Vigna radiata L.) and enhances growth, antioxidant, and functional diversity	32
Application of TNB in dual photo‐controlled release of phenamacril, imidacloprid, and imidacloprid synergist	31
A single photodynamic priming protocol augments delivery of ⍺‐PD‐L1 mAbs and induces immunogenic cell death in head and neck tumors	30
Molecular Mechanisms of UVR8‐Mediated Photomorphogenesis Derived from Revaluation of Action Spectra	28
Investigation of TNBC metastatic potential following synergistic photodynamic therapy and chemotherapy	27
Spectral comparison between diffuse PAR irradiance received under the shade of nine trees in different heights and a cloudy day in summer	27
An important step towards the comprehensive sun protection: Blue‐light exposure inhibits DNA repair in reconstituted human skin and a broadband sunscreen avoids this inhibition	27
Assessing Photosensitized Membrane Damage: Available Tools and Comprehensive Mechanisms^†	27
Characterization of UVB and UVA‐340 Lamps and Determination of Their Effects on ER Stress and DNA Damage	25
Methylene Blue/Carbon Dots Composite with Photothermal and Photodynamic Properties: Synthesis, Characterization, and Antibacterial Application	24
Synergistic effects of covalently coupled eosin‐Y with B_en‐graphitic carbon nitride framework for improved photocatalytic activity in solar light‐driven Biginelli product generation and NAD	22
Pyridinium Alkynylanthracenes as Sensitizers for Photodynamic Therapy	22
Re‐Evaluation of Rat Corneal Damage by Short‐Wavelength UV Revealed Extremely Less Hazardous Property of Far‐UV‐C^†	21
Infrared, Electronic Absorption and Emission Spectra of Tris (4‐methyl‐1‐(1‐ methyl‐1H‐benzo [d] imidazol‐2‐yl)‐4H‐benzo [d]imidazo[1,5‐a]imidazol‐3‐yl) methyl: Roles of Molecular Electronic States an	20
UV‐B Irradiation Results in Inhibition of Hypocotyl Elongation, Cell Cycle Arrest, and Decreased Endoreduplication Mediated by miR5642	20
Issue Information	19

Photolysis of 3‐Azido‐3‐phenyl‐3H‐isobenzofuran‐1‐one at Ambient and Cryogenic Temperatures^†	18
Issue Information	17
Effect of Photobiomodulation on Structure and Function of Extracellular Vesicle Secreted from Mesenchymal Stem Cells	17
Photoinduced Electron Transfer in Encapsulated Heterocycles by Cavitands	17
The Biochemical Mechanisms of Antimicrobial Photodynamic Therapy^†	17
The photobiomodulation effects of continuous and pulsed blue diode laser on proliferation and osteogenic differentiation of periodontal ligament stem cells	17
Photophysical Insights of Halogenated Dipyrrolonaphthyridine‐Diones as Potential Photodynamic Therapy Agents^†	17
The acid sphingomyelinase inhibitor imipramine enhances the release of UV photoproduct‐containing DNA in small extracellular vesicles in UVB‐irradiated human skin	17
Ultraviolet radiation thin film dosimetry: A review of properties and applications	16
Spectral characteristics of the flavones and anthocyanins present in passionflower (Passiflora incarnata)	16
Solar Ultraviolet Radiation, Skin Cancer and Photoprotective Strategies in South Africa^†	15
Correction to “Effects of HPV Status on Responsiveness to Ionizing Radiation vs Photodynamic Therapy in Head and Neck Cancer Cell lines”	15
Chemoselective light‐induced reactivity of β‐enaminones	15
Toluidine blue O demethylated photoproducts as type II photosensitizers	15
Photobiomodulation of Na,K‐ATPase in native membrane fraction and reconstituted in DPPC:DPPE‐liposome	14
Photodynamic priming overcomes platinum resistance from short‐term exposure to select perfluoroalkyl substances in endometrial cancer cell lines	14
Evaluating the effect of strontium ranelate and photobiomodulation on cementogenic and osteogenic differentiation of buccal fat pad‐derived stem cells: An in vitro study	14
Evaluation of Photobiogoverning Role of Blue Light Irradiation on Viral Replication	14
Influence of Functional Groups on the Ene Reaction of Singlet Oxygen with 1,4‐Cyclohexadienes^†	13
The Effect of Low‐level Laser Therapy on VEGF, IL‐6 Expression and Viability of Oral Squamous Cell Carcinoma Cells	13
Detection and Quantification of UV‐irradiation‐induced DNA Damages by Liquid Chromatography–Mass Spectrometry and Immunoassay^†	13
Enhancing PDT efficacy in NMIBC: Efflux inhibitor mediated improvement of PpIX levels and efficacy of the combination of PpIX‐PDT and SO‐cleavable prodrugs	13
Multi‐omics approach to understand the impact of sun exposure on an in vitro skin ecosystem and evaluate a new broad‐spectrum sunscreen	13
Photodynamic Therapy for Bladder Cancers, A Focused Review^†	13
TAZ Reduces UVA‐mediated Photoaging through Regulates Cell Proliferation in Skin Fibroblasts	13
In vitro Effect of 810 nm and 940 nm Diode Laser Irradiation on Proliferation of Human Gingival Fibroblasts and Expression of Procollagen Gene	12
Identification by methods of steady‐state and kinetic spectrofluorimetry of endogenous porphyrins and flavins sensitizing the formation of reactive oxygen species in cancer cells	12
Probing skin photoallergens in reconstructed human epidermis: An EPR spin trapping investigation	12
Insights into the Ultrafast Dynamics of CH₂OO and CH₃CHOO Following Excitation to the Bright ¹ππ* State: The Role of Singlet and Triplet States	12
Improved Spectral Purity of 222‐nm Irradiation Eliminates Detectable Cyclobutylpyrimidine Dimers Formation in Skin Reconstructs even at High and Repetitive Disinfecting Doses	12
Histopathological Changes in Liver and Heart Tissue Associated with Experimental Ultraviolet Radiation A and B Exposure on Wistar Albino Rats	12
Competition Between C_α‐S and C_α‐C_β Bond Cleavage in β‐Hydroxysulfoxides Cation Radicals Generated by Photoinduced Electron Transfer^†	12
Light‐emitting Diode Can Enhance the Metabolism and Paracrine Action of Mesenchymal Stem Cells	12
Exposed Body Surface Area—A Determinate for UV Radiant Energy in Human UV Exposure Studies	11
Site‐specific Heterogeneity of Multi‐domain Human Serum Albumin and its Origin: A Red Edge Excitation Shift Study^†	11
Flavonoid Nobiletin Exhibits Differential Effects on Cell Viability in Keratinocytes Exposed to UVA versus UVB Radiation	11
In vitro and in vivo protective effects of a phytochemical mixture (Posoqueria latifolia extract + Kaempferol) against UVB‐induced radiation damage^*	11
	11
Initial Excited State Dynamics of Lumichrome upon Ultraviolet Excitation	11
Antitumoral photoinduced effects of crude extract, fractions, and naphthoquinones from Sinningia magnifica (Otto & A. Dietr.) Wiehler (Gesneriaceae) in a bioguided study	11
New insight into highly efficient CSA@g‐C₃N₄ for photocatalytic oxidation of benzyl alcohol and thioanisole: NAEDS as a promoter of photoactivity under blue LED irradiation	11
Synthesis and Self‐Aggregation of Chlorophyll‐a Derivatives Possessing a Hydroxymethyl Group in the C20‐Substituent with Ethynylene and/or Phenylene Linkers	11
Spectrofluorometric Insights into the Application of PAM Fluorometry in Photosynthetic Research	10
Blue light impairs the repair of UVB‐induced pyrimidine dimers in a human skin model	10
Issue Information	10
Photodynamic Stromal Depletion Enhances Therapeutic Nanoparticle Delivery in 3D Pancreatic Ductal Adenocarcinoma Tumor Models	10
Modulation of excited state intramolecular proton transfer and intramolecular charge transfer pathways of symmetrical azines through micellar medium	10
Integrin targeted photodynamic therapy in patient‐derived glioblastoma spheroids	10
Ozone as a method for decontamination of dissolving microneedles for clinical use	10
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Turn Up the Lights, Leave them On and Shine them All Around—Numerical Simulations Point the Way to more Efficient Use of Far‐UVC Lights for the Inactivation of Airborne Coronavirus	10
Diiodinated Mono‐ and Dipyridylvinyl BODIPY Dyes: Photophysicochemical Properties, in vitro Antibacterial Studies, Molecular Docking and Theoretical Calculations	10
Withdrawal	10
Role of curvature in acridone for ¹O₂ oxidation of a natural product homoallylic alcohol: A novel iso‐hydroperoxide intermediate	9
Issue Information	9
Polymerase iota plays a key role during translesion synthesis of UV‐induced lesions in the absence of polymerase eta	9
Violet‐blue 405‐nm Light‐based Photoinactivation for Pathogen Reduction of Human Plasma Provides Broad Antibacterial Efficacy Without Visible Degradation of Plasma Proteins	9
Model Studies on the Photoreduction of the 5‐Hydroxy‐5,6‐dihydrothymine and 5‐Methyl‐2‐pyrimidone Moieties of (6‐4) Photoproducts by Photolyase^†	9
Reactive oxygen species are involved in inhibition of photoreactivation of Staphylococcus aureus irradiated with 222‐nm Far ultraviolet C	9
Controllable Synthesis of BiOCl with Z‐Scheme (001)/(110) Facet Homojunction and their Photocatalytic Killing Effect on HePG2 Cells in vitro	9
Evaluation of epigenetic (HDAC, DNMT) and pain (Gad65, TGF) factors following photobiomodulation therapy in a neuropathic pain model	9
The Damage Mechanisms of Dark Hypoxic Stress on Photosystem II of Cymodocea rotundata	9
Efficacy of Adjunctive Antimicrobial Photodynamic Therapy to Mechanical Debridement in the Treatment of Peri‐implantitis or Peri‐implant Mucositis in Smokers: A Systematic Review and Meta‐analysis	9
Electronic relaxation mechanism of 9‐methyl‐2,6‐diaminopurine and 2,6‐diaminopurine‐2′‐deoxyribose in solution	9
Self‐reported Side‐effects ofUltraviolet‐CDisinfection Devices	9
Self‐aggregation of zinc bacteriochlorophyll‐d analogs with an acylhydrazone moiety as the 13‐keto‐carbonyl alternative	8
Chemiexcitation: Mammalian Photochemistry in the Dark^†	8
Ring buckling and C=N isomerization pathways for efficient photoprotection in two nature‐inspired UVA sunscreens revealed through ultrafast dynamics and high‐level calculations	8
Identification of potential cell surface targets in patient‐derived cultures toward photoimmunotherapy of high‐grade serous ovarian cancer	8
Coupling of NAD(P)H:FMN‐oxidoreductase and luciferase from luminous bacteria in a viscous medium: Finding the weakest link in the chain	8
Polydopamine‐curcumin coating of titanium for remarkable antibacterial activity via synergistic photodynamic and photothermal properties	8
Photocontrolled Release of Carbendazim from Photocaged Molecule	8
Theoretical Study on Storage and Release of Firefly Luciferin	8
Editorial (2025, issue 2, March/April)	8
Photodynamic Therapy‐Induced Cyclooxygenase 2 Expression in Tumor‐Draining Lymph Nodes Regulates B‐Cell Expression of Interleukin 17 and Neutrophil Infiltration	8
Rose bengal–encapsulated chitosan nanoparticles for the photodynamic treatment of Trichophyton species	7
Making the sunshine vitamin – How much sun exposure is needed to maintain 25‐hydroxy vitamin D concentration?	7
Photophobotaxis in the filamentous cyanobacterium Phormidium lacuna: Mechanisms and implications for photosynthesis‐based light direction sensing	7
Absorption Spectra for Firefly Bioluminescence Substrate Analog: TokeOni in Various pH Solutions	7
Photocleavage‐based Photoresponsive Drug Delivery^†	7
A Pyrazolo Imine‐based Colorimetric and Turn‐on Fluorescent Sensor Probe for Determination of Hg²⁺ Ion and its Application in Test Paper Strips	7
Photochemistry of Nitrate Ion: Reduction by Formic Acid under UV Irradiation	7
Modification of traditional composite nonwovens with stable storage of light absorption transients and photodynamic antibacterial effect	7
Prodrugs of paclitaxel improve in situ photo‐vaccination	7
Triplet states nurture the long‐lived emission at room temperature of a chlorine‐containing tetraphenylimidazole derivative when aggregation occurs in water/acetonitrile mixtures	7
Issue Information	7
Mitigating Visible Light and Long Wavelength UVA1‐induced Effects with Topical Antioxidants	7
Effect of the Steric Hindrance and Branched Substituents on Visible Phenylamine Oxime Ester Photoinitiators: Photopolymerization Kinetics Investigation through Photo‐DSC Experiments	7
Issue Information	7
Ultraviolet irradiation benefits left ventricular hypertrophy and mitochondrial morphology of cardiomyocytes in hypertensive rats	7
Exploring Unusual Effects of the Ring Substituents in the Type II Reaction with TD‐DFT and DFT	7
Characterization and Quantification of Tryptophan‐ and Tyrosine‐derived Hydroperoxides^†	7
Long Non‐coding RNA H19‐Overexpressing Exosomes Ameliorate UVB‐Induced Photoaging by Upregulating SIRT1Via Sponging miR‐138	7
The Playground Shade Index: A New Design Metric for Measuring Shade and Seasonal Ultraviolet Protection Characteristics of Parks and Playgrounds	7
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Perspectives on Cyclobutane Pyrimidine Dimers—Rise of the Dark Dimers^†	7
Electronic Absorption Spectroscopy and Photochemistry of Criegee Intermediates	7
Dose–Response Relationship of Photobiomodulation Therapy on Matrix Metalloproteinase in Healing Dynamics of Diabetic Neuropathic Ulcers—An in vivo Study	6
Could Light‐Based Technologies Improve Stem Cell Therapy for Skin Wounds? A Systematic Review and Meta‐Analysis of Preclinical Studies^†	6
Substituent and Surfactant Effects on the Photochemical Reaction of Some Aryl Benzoates in Micellar Green Environment^†	6
	6
Unveiling the Mechanism of Photodamage to Sphingolipid Molecules via Laser Flash Photolysis and EPR	6
Potential of using medicinal plant extracts as photosensitizers for antimicrobial photodynamic therapy	6
Warming exacerbates the impacts of ultraviolet radiation in temperate diatoms but alleviates the effect on polar species	6
Photodynamic Therapy of Inorganic Complexes for the Treatment of Cancer^†	6
Carbon nitride quantum dots‐modified cobalt phosphate for enhanced photocatalytic H₂ evolution	6
	6
Impact of green and blue‐green light on the growth, pigment concentration, and fatty acid unsaturation in the microalga Monoraphidium braunii	6
Amount of Melanin Granules in Human Hair Defines the Absorption and Conversion to Heat of Light Energy in the Visible Spectrum	6
Time‐resolved fluorescence anisotropy with Atto 488‐labeled phytochrome Agp1 from Agrobacterium fabrum	6
Photoprotective efficacy of Sunset Yellow via inhibition of type‐I and type‐II pathway under exposure of sunlight	6
Sensitive and Selective Detection of Enterococcus faecalis Using a New Turn‐on Fluorogenic β‐glucosidase Substrate Combined with a Modified Selective Broth	6
Insights into biomimetic system–ligand interaction of substituted isophthalic acid: A functionality induced photophysical study	6
Simultaneous irradiation of 660 and 808 nm on gingival epithelial cells and fibroblasts induces different patterns of oxidative/antioxidative activities: What is the role of the cell type and irradiat	6
	6
Charles J. Gomer: PDT and beyond	6
Eosin Y‐catalyzed reductive homocoupling of para‐quinone methides under visible‐light	6
Moderate Low UVB Irradiation Modulates Tumor‐associated Macrophages and Dendritic Cells and Promotes Antitumor Immunity in Tumor‐bearing Mice^†	6
Effect of the naphthylene linker on the J‐aggregation abilities of chlorophyll‐a derivatives	6
222 nm Far‐UVC from filtered Krypton‐Chloride excimer lamps does not cause eye irritation when deployed in a simulated office environment	6
Tetraacetyl riboflavin derivative mediates caspase 3/7 activation via MAPK in A431 cells upon blue light influence	6
Recent Photosensitizer Developments, Delivery Strategies and Combination‐based Approaches for Photodynamic Therapy^†	6
The fusion of light and immunity: Advancements in photoimmunotherapy for melanoma	6
Modulation of the fluorescence of graphene oxide micro‐flakes with addition of peripheral benzimidazole group	6
Effect of Photobiomodulation on the Incidence of Alveolar Osteitis and Postoperative Pain following Mandibular Third Molar Surgery: A Double‐Blind Randomized Clinical Trial	6
Synthesis and Photophysics of Water‐Soluble Psoralens with Red‐Shifted Absorption	6
In Situ Prepared NRCPFs as Highly Active Photo Platforms for in Situ Bond Formation Between Aryldiazonium Salts and Heteroarenes	6
Unlocking the Potential of Ru(II) Dual‐action Compounds with the Power of the Heavy‐atom Effect^†	5
Exploring the synergy between copper electrolytes and molecularly engineered thiocyanate‐free cyclometalated ruthenium sensitizers for dye‐sensitized solar cells	5
Photobiomodulation Therapy Minimizes the DNA Damage in 5FU‐Treated Gingival Fibroblasts	5

Pyrroloquinolines, a New Platform for Developing Organic Photosensitizers: When Synthetic Methodology Meets Photophysics^†	5
Water Effect on Peroxyoxalate Kinetics and Mechanism for Oxalic Esters with Distinct Reactivities	5
Singlet Oxygen: Discovery, Chemistry, C₆₀‐Sensitization^†	5
From molecular mechanisms to clinical applications: A comprehensive review of photobiomodulation in cancer treatment	5
Synthesis and characterization of novel BODIPYs and their antioxidant, antimicrobial, photodynamic antimicrobial, antibiofilm and DNA interaction activities	5
Editorial (2024, issue 1)	5
Squaraine Dyes Derived from Indolenine and Benzo[e]indole as Potential Fluorescent Probes for HSA Detection and Antifungal Agents	5
Reversal of allodynia and enhanced tendon repair in rats via 660 and 808 nm photobiomodulation	5
Efficient chemiluminescence of luminol in the presence of hemin without added hydrogen peroxide†	5
No Evidence of Induced Skin Cancer or Other Skin Abnormalities after Long‐Term (66 week) Chronic Exposure to 222‐nm Far‐UVC Radiation	5
Nanoformulation of Lipophilic Osmium Photosensitizers in Liposomes and Micelles as a General Strategy for Improving Reproducibility and Reducing Quenching^†	5
Preface: 50^th American Society for Photobiology Anniversary Issue^†	5
Multiple Cypridina Luciferase Genes in the Genome of Individual Ostracods, Vargula hilgendorfii (Cypridina hilgendorfii)	5
Role of Visible Light on Skin Melanocytes: A Systematic Review	5
Visible‐Light Photocatalytic Oxidation of DMSO for RAFT Polymerization^†	5
Hydroalcoholic Extract of Encholirium spectabile Mart. (Bromeliaceae) in O/W Emulsions as an Additive against the UVB Radiation	5
Comparison of Phosphorescent Pt(II) Complexes with C^N^N vs N^N^N Chelators and Caffeine‐Based NHC‐co‐ligands^†	5
Comparison of red and green light for treating non‐muscle invasive bladder cancer in rats using singlet oxygen‐cleavable prodrugs with PPIX‐PDT	5
Photochemical Valence Isomerization to High Energy Products—Bicyclobutanes and Oxabicyclobutanes^†	5
Photosensitized Protein Damage by DiethyleneglycoxyP(V)tetrakis(p‐n‐butoxyphenyl)porphyrin Through Electron Transfer: Activity Control Through Self‐aggregation and Dissociation	5
Erythema and Acclimatization Following Repeated Sun Exposure: A Modeling Study	5
Comparative study of ergosterol and 7‐dehydrocholesterol and their endoperoxides: Generation, identification, and impact in phospholipid membranes and melanoma cells	5
Senolytic Drug Quercetin Rescues Survival from Blue Light Toxicity in Drosophila Model	5
Formation of Stilbene Azo‐Dimer by Direct Irradiation of p‐Azidostilbene^†	5
Editorial (2021, Issue 3)	5
A Lock‐and‐Kill Anticancer Photoactivated Chemotherapy Agent^†	5
Adjunctive photochemical therapy for management of inflammatory peri‐implant diseases: A systematic review and meta‐analysis	5
Heat‐KilledLactobacillus rhamnosusATCC7469 ImprovedUVB‐InducedPhotoagingViaAntiwrinkleandAntimelanogenesisImpacts	5
Stable Transfection of the Singlet Oxygen Photosensitizing Protein SOPP3: Examining Aspects of Intracellular Behavior^†	5
Photodynamic Therapy: Critical PDT Theory^†	5
Metal‐semiconductor heterojunction accelerates the plasmonically powered photoregeneration of biological cofactors	5
Involvement of Type‐I and Type‐II Photodynamic Reactions in Photosensitization of Fragrance Ingredient 2‐acetonaphthone	5
Photolabile Protecting Groups Based on the Excited State Meta Effect: Development and Application^†	5