Results 241 to 250 of about 30,561 (295)
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PHOTOSENSITIZATION IN BIOPOLYMERS*
Photochemistry and Photobiology, 2008— The energetics of photodynamic action is discussed in terms of oxidation potentials of sensitizing dye intermediates. The results are compared with rate constants and quantum yields for photodynamic oxidation of iodide ion, aromatic amino acids, and lysozyme in the presence of eosin Y.
L I, Grossweiner, A G, Kepka
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Photosensitivity in the elderly
British Journal of Dermatology, 1990Photosensitivity to drugs and chemicals in the elderly is more prevalent due to more frequent use of medications. Phototoxic reactions to common, orally administered drugs such as diuretics, cardiac agents and antidiabetics may occur and the reactions may be remedied by discontinuing drug therapy.
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PHOTOSENSITIZERS IN DERMATOLOGY*
Photochemistry and Photobiology, 1987Abstract Systemic injection of hematoporphyrin derivative (HpD) in combination with visible light (red or blue‐green) delivered by laser was used to treat a patient with psoriasis. The psoriatic lesions responded vigorously to laser treatments, forming eschars by 1 week post irradiation.
J L, McCullough +3 more
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Archives of Pediatrics & Adolescent Medicine, 1962
This is a report of the occurrence of seizures or their equivalents induced by photic stimuli in a family of 5, one of whom, a 14-year-old girl, was the first to suggest the proper etiological common denominator for her own convulsive manifestations and for the less overt incidents in other members of the family.
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This is a report of the occurrence of seizures or their equivalents induced by photic stimuli in a family of 5, one of whom, a 14-year-old girl, was the first to suggest the proper etiological common denominator for her own convulsive manifestations and for the less overt incidents in other members of the family.
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Journal of Neuroscience Nursing, 1985
Although epilepsy remains an unsolved medical problem, there is a type of epilepsy known as 'photosensitive epilepsy' described in the medical literature that could serve as the window to understanding the pathophysiology of all epilepsies. Photosensitive epilepsy is a seizure phenomenon caused by exposure to bright and/or flickering light.
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Although epilepsy remains an unsolved medical problem, there is a type of epilepsy known as 'photosensitive epilepsy' described in the medical literature that could serve as the window to understanding the pathophysiology of all epilepsies. Photosensitive epilepsy is a seizure phenomenon caused by exposure to bright and/or flickering light.
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Photochemistry and Photobiology, 1976
Abstract—The chemical modification of rabbit muscle aldolase by coupling with diazotized p‐amino benzoate results in the preparation of a photosensitive enzyme. The photosensitivity is realized with the presence of arene diazothioether chromophores, due to the substitution on cysteine residues (eight groups per enzyme molecule).
G, Montagnoli +3 more
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Abstract—The chemical modification of rabbit muscle aldolase by coupling with diazotized p‐amino benzoate results in the preparation of a photosensitive enzyme. The photosensitivity is realized with the presence of arene diazothioether chromophores, due to the substitution on cysteine residues (eight groups per enzyme molecule).
G, Montagnoli +3 more
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The Diagnosis of Photosensitivity
Archives of Dermatology, 2000Many photosensitive patients are seen for consultation when they have no lesions, so a detailed history is important. The differential diagnosis is based on the age at which the symptoms first occurred. The striking symptoms and signs are discussed, and advice is given on which additional investigations are necessary and when phototesting must be ...
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2014
The Drosophila "transient receptor potential" channel is the prototypical TRP channel, belonging to and defining the TRPC subfamily. Together with a second TRPC channel, trp-like (TRPL), TRP mediates the transducer current in the fly's photoreceptors. TRP and TRPL are also implicated in olfaction and Malpighian tubule function.
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The Drosophila "transient receptor potential" channel is the prototypical TRP channel, belonging to and defining the TRPC subfamily. Together with a second TRPC channel, trp-like (TRPL), TRP mediates the transducer current in the fly's photoreceptors. TRP and TRPL are also implicated in olfaction and Malpighian tubule function.
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Journal of Pharmaceutical Sciences, 1977
UV irradiation (365 nm) of air-saturated methanol solutions of 20 drugs absorbing in the 300--400 nm region gave rise to oxygen uptake, as determined with a polarographic oxygen electrode. The drugs were tested for photosensitizing capability by either a Type I (free radical) or a Type II (single molecular oxygen) mechanism.
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UV irradiation (365 nm) of air-saturated methanol solutions of 20 drugs absorbing in the 300--400 nm region gave rise to oxygen uptake, as determined with a polarographic oxygen electrode. The drugs were tested for photosensitizing capability by either a Type I (free radical) or a Type II (single molecular oxygen) mechanism.
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Inheritance of Photosensitivity
Neuropediatrics, 2000To investigate the mode of inheritance of the photoparoxysmal response (PPR) and to obtain more information about the influence of photosensitivity on the seizure risk in siblings of patients with epilepsy.Examination of the records of families with one photosensitive parent (Group I, n = 54) and of families with a photosensitive proband, neither of ...
S, Waltz, U, Stephani
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