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 2021-02-01 to 2025-02-01.)

Article	Citations
The tautomer‐specific excited state dynamics of 2,6‐diaminopurine using resonance‐enhanced multiphoton ionization and quantum chemical calculations	132
Reconciling TD‐DFT and CASPT2 electronic structure methods for describing the photophysics of DNA	105
The copious photochemistry of 2,6‐diaminopurine: Luminescence, triplet population, and ground state recovery*	75
Far‐UVC Light at 222 nm is Showing Significant Potential to Safely and Efficiently Inactivate Airborne Pathogens in Occupied Indoor Locations	59
Ability of the Putative Decomposition Products of 2,3‐dioxetanes of Indoles to Photosensitize Cyclobutane Pyrimidine Dimer (CPD) Formation and its Implications for the “Dark” (Chemisensitized) Pathway	53
Photosynthetic performance of the red algae Gracilariopsis lemaneiformis under high seawater pH: Excess reactive oxygen production due to carbon limitation	49
Efficient Synthesis and Evaluation of Novel Sulfonated Dihydropyrimidinthione Derivatives for the Treatment of UV‐B‐Induced Corneal Damage	49
Effects of photobiomodulation therapy (660‐nm laser) on median nerve function in Wistar rats	41
Spectral comparison between diffuse PAR irradiance received under the shade of nine trees in different heights and a cloudy day in summer	37
Comprehensive reanalysis of light fluence distribution in pleural photodynamic therapy using standardized anatomical coordinates	37
Nomen omen: Euglena gracilis possesses a rhodopsin‐based photoreceptor	35
Solar Light Responsive Graphitic Carbon Nitride Coupled Porphyrin Photocatalyst that Uses for Solar Fine Chemical Production	35
In VitroEffect of 445 nm Blue Laser and 660 nmLow‐LevelLaser on the Quantity and Quality of Human Gingival Fibroblasts	31
Characterization of Binding Properties of Cr(Phen)₃³⁺ and Ru(Phen)₃²⁺ Complexes with Human Lactoferrin	29
Serial Cross‐Sectional Observations of Sun‐Protective Behaviors at an Annual Outdoor Motorsport Event in Tropical Queensland, Australia	28
In Situ Prepared NRCPFs as Highly Active Photo Platforms for in Situ Bond Formation Between Aryldiazonium Salts and Heteroarenes	27
Exposure of Human Skin Models to KrCl Excimer Lamps: The Impact of Optical Filtering^†	24
Biological Impact of Shorter Wavelength Ultraviolet Radiation‐C^†	23
Molecular Mechanisms of UVR8‐Mediated Photomorphogenesis Derived from Revaluation of Action Spectra	22
Induction of A549 Nonsmall‐Cell Lung Cancer Cells Proliferation by Photoreleased Nicotine	22
Paul K Strudler: The Oracle of RAD	22
Effect of Photobiomodulation on the Incidence of Alveolar Osteitis and Postoperative Pain following Mandibular Third Molar Surgery: A Double‐Blind Randomized Clinical Trial	20
Issue Information	20
Reversible Photoisomerization of Norbornadiene‐Quadricyclane within a Confined Capsule^†	20
Issue Information	20

Visible Light and the Skin	19
Excited State Dynamics of Methylated Guanosine Derivatives Revealed by Femtosecond Time‐resolved Spectroscopy	17
Time‐resolved fluorescence anisotropy with Atto 488‐labeled phytochrome Agp1 from Agrobacterium fabrum	17
Pyridinium Alkynylanthracenes as Sensitizers for Photodynamic Therapy	16
Synthesis and Photophysics of Water‐Soluble Psoralens with Red‐Shifted Absorption	16
Editorial	15
Understanding How a New Hachimoji Nucleobase Alters Photodynamics of Genetic Building Blocks^†	15
Issue Information	15
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Moderate Low UVB Irradiation Modulates Tumor‐associated Macrophages and Dendritic Cells and Promotes Antitumor Immunity in Tumor‐bearing Mice^†	15
Anti Regiospecificity in the Photosensitized Cycloaddition of 4‐Tetrazolouracil Nucleoside^†	14
Editorial: Special Issue on Emerging Developments in Photocaging	14
Photocatalytic fixation and oxygenation of NAD⁺/NADP⁺ and sulfides using solar light: Exploring mechanistic investigations and their impact on synthetic applications	14
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Modification of traditional composite nonwovens with stable storage of light absorption transients and photodynamic antibacterial effect	14
Spectroscopic Analysis of Apoferritin Associates with the Water‐Soluble Porphyrins	14
Optical Attenuators Extend Dynamic Range but Alter Angular Response of Planar Ultraviolet‐C Dosimeters	14
Exploring Unusual Effects of the Ring Substituents in the Type II Reaction with TD‐DFT and DFT	14
Transcriptome analysis in mouse skin after exposure to ultraviolet radiation from a canopy sunbed	14
Mutagenicity assessment of high‐power 1.6‐THz pulse laser radiation	13
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	13
Photobiomodulation therapy at 632 nm wavelength ameliorates intrauterine adhesion via activation of cAMP/PKA/CREB pathway	13
Insights into the Ultrafast Photodissociation Dynamics of Isoprene‐Derived Criegee Intermediates	13
Specific Activities of Hydromedusan Ca²⁺‐Regulated Photoproteins	12
The role of solar photolysis in the atmospheric removal of methacrolein oxide and the methacrolein oxide—water van‐der Waals complex in pristine environments	12
Ultrafast Radical Photogeneration Pathways in Eumelanin^†	12
Dose–Response Relationship of Photobiomodulation Therapy on Matrix Metalloproteinase in Healing Dynamics of Diabetic Neuropathic Ulcers—An in vivo Study	12
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Prodrugs of paclitaxel improve in situ photo‐vaccination	11
The Protective Effect of Edible Bird's Nest against the Immune‐senescence Process of UVB‐irradiated Hairless Mice	11
On the mechanism of visible‐light sensitized photosulfoxidation of toluidine blue O	11
Highly stable, fluorescent, artificial lipoprotein nanoparticles	11
Acclimation Response of Green Microalgae Chlorella Sorokiniana to 2,3′,4,4′,6‐Pentachlorobiphenyl	11
Investigating the role of corrole as an excitation energy relay in light‐induced processes in closely connected N,N'‐bis(biphenyl‐4‐yl)aniline functionalized corrole donor–acceptor dyad	10
Molecular rotors of naphthalimide and benzodithiophene as effective solvent polarity probes, temperature sensors, and for g‐C₃N₄ sensitization	10
Photobiomodulation Effect of Different Diode Wavelengths on the Proliferation of Human Gingival Fibroblast Cells	10
Blue Light Deactivation of Catalase Suppresses Candida Hyphae Development Through Lipogenesis Inhibition	10
Effect of TEOA on the Process of Photopolymerization at 532 nm and Properties of Nanogels	10
Structure–property relationship in functionalized azobenzene photoswitches and their supramolecular behavior	10
Fine‐Feature Modifications to Strained Ruthenium Complexes Radically Alter Their Hypoxic Anticancer Activity^†	10
Synergistic or Antagonist Effects of Different UV Ranges Analyzed by the Combination Index: Application to DNA Photoproducts^†	10
Distribution of photoactive β‐carboline alkaloids across Passiflora caerulea floral organs	10
Survey of Home‐Use UV Disinfection Products^†	10
Eosin Y‐catalyzed reductive homocoupling of para‐quinone methides under visible‐light	10
Assessing Photosensitized Membrane Damage: Available Tools and Comprehensive Mechanisms^†	10
l‐Tryptophan Interactions with the Horseradish Peroxidase‐Catalyzed Generation of Triplet Acetone	10
Impact of low‐dose UV‐A in Caenorhabditis elegans during candidate bacterial infections	10
Photobiomodulation effects of pulsed and continuous wave near‐infrared laser on the proliferation and migration of human gingival fibroblasts: An in vitro study	10
Application of TNB in dual photo‐controlled release of phenamacril, imidacloprid, and imidacloprid synergist	9
Counterion Pairing Effects on a Flavylium Heptamethine Dye^†	9

Sun Light Responsive 2D Covalent‐Organic Frameworks Platform as a Catalysts Boost C–H Bond Arylation and Dopamine Regeneration	9
Sunscreens and Cosmetic Formulations Containing Ascorbyl Tetraisopalmitate and Rice Peptides for the Improvement of Skin Photoaging: A Double‐blind, Randomized Placebo‐controlled Clinical Study	9
Re‐Evaluation of Rat Corneal Damage by Short‐Wavelength UV Revealed Extremely Less Hazardous Property of Far‐UV‐C^†	9
Caged Oxime Reactivators Designed for the Light Control of Acetylcholinesterase Reactivation^†	9
Effects of Photobiomodulation Therapy (LED 630 nm) on Muscle and Nerve Histomorphometry after Axonotmesis	9
Optical Properties of New Terbium(III) Ternary Complexes Containing Anionic 6,6,7,7,8,8,8‐heptafluoro‐2,2‐dimethyl‐3,5‐octanedione and Neutral Sensitizers in Solution, Solid and PMMA Thin Films: Intra	9
Amount of Melanin Granules in Human Hair Defines the Absorption and Conversion to Heat of Light Energy in the Visible Spectrum	9
Comparison of Low‐Density Lipoprotein Oxidation by Hydrophilic O(³P)‐Precursors and Lipid‐O(³P)‐Precursor Conjugates	9
Photodynamic therapy as a potential approach for preventing fungal spread associated with the use of endotracheal tubes	9
Substituted Methylenation at the 13²‐Position of a Chlorophyll‐a Derivative via Mixed Aldol Condensation, Optical Properties of the Synthetic Bacteriochlorophyll‐d Anal	9
Critical PDT Theory IV: The Strange Case of “KillerRed”	9
Resolving Ultrafast Photoinitiated Dynamics of the Hachimoji 5‐aza‐7‐deazaguanine Nucleobase: Impact of Synthetically Expanding the Genetic Alphabet^†	9
Charles J. Gomer: PDT and beyond	9
Methylene Blue/Carbon Dots Composite with Photothermal and Photodynamic Properties: Synthesis, Characterization, and Antibacterial Application	9
Air Disinfection for Airborne Infection Control with a Focus on COVID‐19: Why Germicidal UV is Essential^†	9
Deprotonation Dynamics of Guanine Radical Cations^†	9
Multiple in vivo Effects of Cadmium on Photosynthetic Electron Transport in Pea Plants	8
Photosensitized Dimerization of Tyrosine: The Oxygen Paradox^†	8
Analysis of Renal Cell Carcinoma Cell Response to the Enhancement of 5‐aminolevulinic Acid‐mediated Protoporphyrin IX Fluorescence by Iron Chelator Deferoxamine^†	8
Highways and detours in the realm of photodynamic therapy for cancer control	8
Multi‐targets of antimicrobial photodynamic therapy mediated by erythrosine against Staphylococcus aureus identified by proteomic approach	8
The Inhibitory Effect of Blue Light on Phagocytic Activity by ARPE‐19 Cells	8
Aromatic Endoperoxides^†	8
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	8
Highly effective decontamination in a hospital environment: An easy‐to‐operate, low‐cost prototype	8
Dual Functions of Riboflavin‐functionalized Poly(lactic‐co‐glycolic acid) Nanoparticles for Enhanced Drug Delivery Efficiency and Photodynamic Therapy in Triple‐negative Breast Cancer Cells	8
Caged luciferins enable rapid multicomponent bioluminescence imaging	8
Can l‐ascorbic acid and trans‐resveratrol protect HaCaT cells from fine particulate matter toxicity?	8
A single photodynamic priming protocol augments delivery of ⍺‐PD‐L1 mAbs and induces immunogenic cell death in head and neck tumors	8
Preclinical evaluation of singlet oxygen‐cleavable prodrugs in combination with protoporphyrin IX‐photodynamic therapy in an orthotopic rat model of non‐muscle‐invasive bladder cancer	8
Nitrogen Limitation Decreases the Repair Capacity and Enhances Photoinhibition of Photosystem II in a Diatom	8
Photodynamic Therapy of Inorganic Complexes for the Treatment of Cancer^†	7
Characterization of UVB and UVA‐340 Lamps and Determination of Their Effects on ER Stress and DNA Damage	7
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Editorial	7
The effect of photobiomodulation therapy on implant stability: A systematic review and meta‐analysis	7
Photophysical Insights of Halogenated Dipyrrolonaphthyridine‐Diones as Potential Photodynamic Therapy Agents^†	7
Photosensitization Reactions of Biomolecules: Definition, Targets and Mechanisms	7
Homeophasic Adaptation in Response to UVA Radiation in Pseudomonas aeruginosa: Changes of Membrane Fatty Acid Composition and Induction of desA and desB Expression	7
Correction to “A new method to easily assess bacteriostatic and bactericidal activity of ultraviolet radiation using quantitative image analysis”	7
Spectral Photoluminescent Parameters of Barley Seeds (Hordéum vulgáre) Infected with Fusarium ssp	7
Application of a Reflectance Confocal Microscopy Imaging Analysis Score for the Evaluation of Non‐Melanogenic Changes in Male Photoaged Skin	7
Antimicrobial Photodynamic Therapy (aPDT) as a Disinfection and Biomodulation Approach in Implant Dentistry	7
520 nm and 660 nm light‐emitting diodes modulates pancreatic development and beta cell functions in zebrafish embryos	7
Spectroscopic analysis of bacterial photoreactivation	7
Carbon nitride quantum dots‐modified cobalt phosphate for enhanced photocatalytic H₂ evolution	7
Far‐UVC (222 nm) irradiation effectively inactivates ssRNA, dsRNA, ssDNA, and dsDNA viruses as compared to germicidal UVC (254 nm)	7
Photoprotection Effects of Red Seaweed Meal (Grateloupia cf. Turuturu) as Feed Ingredient in Prawn Artemesia Longinaris	7
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Probing the Ni²⁺‐selective Response of Fluorescent Probe NiSensor‐1 with the NiCast Photocaged Complex^†^‡	7
A Case Study of UV Exposure Risk in Sydney during the 2019/2020 New South Wales Bushfires	6
Impact of green and blue‐green light on the growth, pigment concentration, and fatty acid unsaturation in the microalga Monoraphidium braunii	6
Evaluation of Antifungal Activity and Potential Application as Fluorescent Probes of Indolenine and Benzo[e]Indole‐Based Squarylium Dyes	6
Light exposure of tetra‐cationic porphyrins containing peripheral Pd(II)‐bipyridyl complexes and the induced effects on purified DNA molecule, fibroblast and melanoma cell lines	6
Air Disinfection with Germicidal Ultraviolet: For this Pandemic and the Next	6
Comparison of Bovine and Carp Fish Visual Pigment Photo‐Intermediates at Room Temperature	6
A Need to Revise Human Exposure Limits for Ultraviolet UV‐C Radiation^†	6
Issue Information	6
Optical Switching Between Long‐lived States of Opsin Transmembrane Voltage Sensors	6
Effect of Different Energy Densities of 915 nm Low Power Laser on the Biological Behavior of Human Gingival Fibroblast Cells In Vitro	6
Evaluating the effect of strontium ranelate and photobiomodulation on cementogenic and osteogenic differentiation of buccal fat pad‐derived stem cells: An in vitro 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
Comparison of Pulsed and Continuous Wave Diode Laser at 940 nm on the Viability and Migration of Gingival Fibroblasts	6
Protective effect of isoquercitrin on UVB‐induced injury in HaCaT cells and mice skin through anti‐inflammatory, antioxidant, and regulation of MAPK and JAK2‐STAT	6
Ozone Generation by Ultraviolet Lamps^†	6
Toxic Interaction Between Solar Radiation and Cigarette Smoke on Primary Human Keratinocytes	6
The Effect of Low‐level Laser Therapy on VEGF, IL‐6 Expression and Viability of Oral Squamous Cell Carcinoma Cells	6
Molecular evolution of Cypridina noctiluca secretory luciferase for production of spectrum‐shifted luminescence‐emitting mutants and their application in nuclear receptor–reporter assays	6
Issue Information	6
Recent Photosensitizer Developments, Delivery Strategies and Combination‐based Approaches for Photodynamic Therapy^†	6
The public‐health significance of far‐UVC‐induced indoor ozone and its associated secondary chemistry	6
The Behavior of Triplet Thymine in a Model B‐DNA Strand. Energetics and Spin Density Localization Revealed by ab initio Molecular Dynamics Simulations^†*	6
Combined Transcriptomic and Proteomic Analyses Reveal the Different Responses to UVA and UVB Radiation in Human Keratinocytes	6
The Glycolysis‐derived α‐Dicarbonyl Metabolite Methylglyoxal is a UVA‐photosensitizer Causing the Photooxidative Elimination of HaCaT Keratinocytes with Induction of Oxidative an	6
The Effect of Laser Bio‐modulation on Dysplastic Lesions, an Animal Study	5
Issue Information	5
Could Light‐Based Technologies Improve Stem Cell Therapy for Skin Wounds? A Systematic Review and Meta‐Analysis of Preclinical Studies^†	5
Insights into biomimetic system–ligand interaction of substituted isophthalic acid: A functionality induced photophysical study	5
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Ultraviolet Radiation Exposure and its Impacts on Cutaneous Phosphorylation Signaling in Carcinogenesis: Focusing on Protein Tyrosine Phosphatases^†	5

Penetration of Singlet Oxygen into Films with Oxygen Permeability Coefficient Close to that of Skin	5
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Ruthenium‐based Photoactive Metalloantibiotics^†	5
Ultrafast excited state dynamics of isocytosine unveiled by femtosecond broadband time‐resolved spectroscopy combined with density functional theoretical study	5
Photoisomerization Kinetics of Photoswitchable Thin Films Based on Nanostructure/Molecular Layers of AlN‐AO7	5
Photochemistry of N‐aryl and N‐alkyl dibenzothiophene sulfoximines	5
Photobiomodulation of Na,K‐ATPase in native membrane fraction and reconstituted in DPPC:DPPE‐liposome	5
A comparative evaluation of the effects of 635 nm laser on cell proliferation and osteogenic differentiation of buccal fat pad mesenchymal stem cells	5
Synthesis, Characterization and Photocleavage of Bis‐decyl Pteroic Acid: A Folate Derivative with Affinity to Biomembranes^†	5
Effect of Photobiomodulation on Structure and Function of Extracellular Vesicle Secreted from Mesenchymal Stem Cells	5
Interventional human ocular safety experiments for 222‐nm far‐ultraviolet‐C lamp irradiation	5
Special issue on nucleic acid photophysics	5
UV‐B Irradiation Results in Inhibition of Hypocotyl Elongation, Cell Cycle Arrest, and Decreased Endoreduplication Mediated by miR5642	5
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Boosting porphyrin synthesis and ALA‐mediated photoinactivation through near‐infrared therapy	5
Editorial (2025, issue 1, January/February)	5
Film dosimetry for occupant exposure monitoring within Far‐UVC installations	5
Issue Information	5
Exposure of Brassica to Red Light Antagonizes Low Production of Indole‐3‐Acetic Acid in Leaf Through Root Signaling Under Stress Conditions	5
Issue Information	5
Warming exacerbates the impacts of ultraviolet radiation in temperate diatoms but alleviates the effect on polar species	5
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	5
Photodynamic Therapy: Deaths in the Family	5
Correction to Efficacy of a 365 nm Ultraviolet A1 light Emitting Diode (UVA1‐LED) in in vitro Extracorporeal Photopheresis	5
How long does the biological effect of a red light‐emitting diode last on adipose‐derived mesenchymal stem cells?	5