Results 141 to 150 of about 49,161 (194)
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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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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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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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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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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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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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PHOTOSENSITIZATION WITH BACTERIOCHLORINS
Photochemistry and Photobiology, 1993Abstract— Biophysical and photobiological properties of a group of bacteriochlorins were compared with efficacy of these products for photodynamic therapy of murine tumors. Predictive factors for selective photosensitization in vivo include affinity binding to lipoproteins greater than albumin, extinction coefficient at the wavelength of irradiation ...
D, Kessel +4 more
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Pediatric Dermatology, 1983
When photosensitivity presents in children, it frequently signifies a serious or potentially serious condition. Both disorders with genetic bases and idiopathic disorders are discussed.
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When photosensitivity presents in children, it frequently signifies a serious or potentially serious condition. Both disorders with genetic bases and idiopathic disorders are discussed.
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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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JAMA: The Journal of the American Medical Association, 1966
To the Editor:— Dr. Stephan Epstein's contribution, "Photoallergic Contact Dermatitis" ( 194 :1016, 1965) establishes the photosensitizing properties of Lifebuoy soap. A similar study has been conducted in the Louisville, Ky, area, with different conclusions regarding the photosensitizing agent in the soap. There are three different Lifebuoys: white,
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To the Editor:— Dr. Stephan Epstein's contribution, "Photoallergic Contact Dermatitis" ( 194 :1016, 1965) establishes the photosensitizing properties of Lifebuoy soap. A similar study has been conducted in the Louisville, Ky, area, with different conclusions regarding the photosensitizing agent in the soap. There are three different Lifebuoys: white,
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