Results 11 to 20 of about 4,569 (148)

Peters Anomaly in a Miniature Schnauzer Documented by Spectral-Domain Optical Coherence Tomography: A Case Report. [PDF]

open access: yesClin Case Rep
ABSTRACT A 10‐month‐old intact male Miniature Schnauzer was presented for evaluation of a unilateral corneal opacity in the right eye. Ophthalmic examination revealed a broad paraxial corneal opacity involving the posterior stroma to the Descemet's membrane, with multiple strands of tissue extending from the iris collarette to the posterior cornea ...
Miwa Y, Lee D, Inukai Y.
europepmc   +2 more sources

Database of low-temperature absorption and fluorescence spectra of native photosynthetic tetrapyrrole macrocycles. [PDF]

open access: yesPhotochem Photobiol
The absorption and fluorescence spectra at 77 K (frozen glass) and room temperature (fluid solution) are provided for 12 native photosynthetic macrocycles encompassing one porphyrin, eight chlorins, and 3 bacteriochlorins. Abstract Low‐temperature (77 K) absorption and fluorescence spectra of 12 naturally occurring photosynthetic tetrapyrrole ...
Niedzwiedzki DM   +2 more
europepmc   +2 more sources

Constitutive nitric oxide synthases deficiency impairs cyclobutane pyrimidine dimer repair following solar UV exposure in cells and mice. [PDF]

open access: yesPhotochem Photobiol
Proposed model for the dual role of cNOS in DNA damage and repair upon UV radiation. Abstract Solar ultraviolet (sUV) radiation is a major environmental factor that induces DNA damage, promoting skin aging and carcinogenesis. The formation of cyclobutane pyrimidine dimers (CPDs) is one of the most prevalent forms of UV‐induced DNA lesions, playing a ...
Bahamondes Lorca V   +8 more
europepmc   +2 more sources

Fenofibrate Protects against Retinal Dysfunction in a Murine Model of Common Carotid Artery Occlusion-Induced Ocular Ischemia

open access: yesPharmaceuticals, 2021
Ocular ischemia is a common cause of blindness and plays a detrimental role in various diseases such as diabetic retinopathy, occlusion of central retinal arteries, and ocular ischemic syndrome. Abnormalities of neuronal activities in the eye occur under
Deokho Lee   +6 more
doaj   +1 more source

Structural insights into photosystem II supercomplex and trimeric FCP antennae of a centric diatom Cyclotella meneghiniana

open access: yesNature Communications, 2023
Diatoms are dominant marine algae and contribute around a quarter of global primary productivity, the success of which is largely attributed to their photosynthetic capacity aided by specific fucoxanthin chlorophyll-binding proteins (FCPs) to enhance the
Songhao Zhao   +13 more
doaj   +1 more source

Photochemical and Photobiological Activity of Zn, Cu, Ni, Co, Fe and Mn Unsubstituted Phthalocyanines

open access: yesChemistry Proceedings, 2023
Phthalocyanines are a group of porphyrin synthetic molecules. These compounds show outstanding photodynamic properties. This is due to their high ability to photogenerate free radicals, such as 1O2 and O.−2.
Franklin Vargas   +4 more
doaj   +1 more source

Fluoxetine induces photochemistry-derived oxidative stress on Ulva lactuca

open access: yesFrontiers in Environmental Science, 2022
Emerging pollutants impose a high degree of stress on marine ecosystems, compromising valuable resources, the planet and human health. Pharmaceutical residues often reach marine ecosystems, and their input is directly related to human activities ...
Eduardo Feijão   +21 more
doaj   +1 more source

Absence of Light Exposure Increases Pathogenicity of Pseudomonas aeruginosa Pneumonia-Associated Clinical Isolates

open access: yesBiology, 2021
Pseudomonas aeruginosa can alter its lifestyle in response to changes in environmental conditions. The switch to a pathogenic host-associated lifestyle can be triggered by the luminosity settings, resorting to at least one photoreceptor which senses ...
Cristina S. Mesquita   +3 more
doaj   +1 more source

DNA-Interactive and Damage Study with meso-Tetra(2-thienyl)porphyrins Coordinated with Polypyridyl Pd(II) and Pt(II) Complexes

open access: yesMolecules, 2023
We report the DNA-binding properties of three porphyrins with peripheral thienyl substituents (TThPor, PdTThPor and PtTThPor). The binding capacity of each porphyrin with DNA was determined by UV-Vis and steady-state fluorescence emission spectroscopy ...
Bernardo Almeida Iglesias   +8 more
doaj   +1 more source

Management of Tinea Capitis in children under 10 kg : Results from a French multicentre study. [PDF]

open access: yesJ Eur Acad Dermatol Venereol
Journal of the European Academy of Dermatology and Venereology, Volume 40, Issue 2, Page e146-e150, February 2026.
Cornillault A   +39 more
europepmc   +2 more sources

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