questionsmedicales.fr
Produits chimiques inorganiques
Oxygène singulet
Oxygène singulet : Questions médicales fréquentes
Termes MeSH sélectionnés :
Diagnostic
5
Oxygène singulet
Spectroscopie
Fluorescence
Chimiluminescence
Spectroscopie
Oxygène singulet
Oxygène singulet
Sang
Effets biologiques
Stress oxydatif
Oxygène singulet
Marqueurs biologiques
Imagerie médicale
Oxygène singulet
Tissus
Symptômes
5
Oxygène singulet
Inflammation
Douleur
Oxygène singulet
Cancer
Maladies neurodégénératives
Lésions oxydatives
Oxygène singulet
Fonction cellulaire
Vieillissement cutané
Oxygène singulet
Dommages cellulaires
Tissus pulmonaires
Oxygène singulet
Symptômes respiratoires
Prévention
5
Pollution
Oxygène singulet
Antioxydants
Alimentation
Oxygène singulet
Antioxydants
Tabagisme
Oxygène singulet
Radicaux libres
Stress oxydatif
Oxygène singulet
Hygiène de vie
Exercice
Oxygène singulet
Défense antioxydante
Traitements
5
Antioxydants
Oxygène singulet
Traitement
Médicaments
Oxygène singulet
Antioxydants
Thérapie photodynamique
Oxygène singulet
Cellules cancéreuses
Prévention
Oxygène singulet
Antioxydants
Suppléments
Oxygène singulet
Antioxydants
Complications
5
Complications
Oxygène singulet
Maladies cardiovasculaires
Cancer
Oxygène singulet
Radicaux libres
Vieillissement cellulaire
Oxygène singulet
Maladies chroniques
Système immunitaire
Oxygène singulet
Infections
Troubles respiratoires
Oxygène singulet
Lésions pulmonaires
Facteurs de risque
5
Facteurs de risque
Oxygène singulet
Pollution
Âge
Oxygène singulet
Dommages cellulaires
Stress oxydatif
Oxygène singulet
Effets nocifs
Maladies préexistantes
Oxygène singulet
Diabète
Produits chimiques
Oxygène singulet
Toxiques
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"@type": "Question",
"name": "Comment détecter l'oxygène singulet ?",
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"text": "L'oxygène singulet peut être détecté par des méthodes spectroscopiques comme la fluorescence."
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{
"@type": "Question",
"name": "Quels tests mesurent l'oxygène singulet ?",
"position": 2,
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{
"@type": "Question",
"name": "L'oxygène singulet est-il mesurable dans le sang ?",
"position": 3,
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"@type": "Question",
"name": "Quels indicateurs biologiques sont liés à l'oxygène singulet ?",
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"text": "Les marqueurs de stress oxydatif, comme les produits de peroxydation, peuvent indiquer sa présence."
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{
"@type": "Question",
"name": "Peut-on évaluer l'oxygène singulet par imagerie ?",
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"@type": "Question",
"name": "Quels symptômes sont associés à l'oxygène singulet ?",
"position": 6,
"acceptedAnswer": {
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"text": "L'oxygène singulet peut causer des dommages cellulaires, entraînant inflammation et douleur."
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{
"@type": "Question",
"name": "L'oxygène singulet provoque-t-il des maladies ?",
"position": 7,
"acceptedAnswer": {
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"text": "Oui, il est impliqué dans des maladies comme le cancer et les maladies neurodégénératives."
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{
"@type": "Question",
"name": "Quels effets l'oxygène singulet a-t-il sur les cellules ?",
"position": 8,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il peut induire des lésions oxydatives, affectant la fonction cellulaire et la survie."
}
},
{
"@type": "Question",
"name": "L'oxygène singulet affecte-t-il la peau ?",
"position": 9,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, il peut provoquer un vieillissement cutané prématuré et des dommages aux cellules de la peau."
}
},
{
"@type": "Question",
"name": "Y a-t-il des symptômes respiratoires liés à l'oxygène singulet ?",
"position": 10,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des dommages aux tissus pulmonaires peuvent survenir, entraînant des symptômes respiratoires."
}
},
{
"@type": "Question",
"name": "Comment réduire l'exposition à l'oxygène singulet ?",
"position": 11,
"acceptedAnswer": {
"@type": "Answer",
"text": "Éviter les environnements pollués et utiliser des antioxydants peut aider à réduire l'exposition."
}
},
{
"@type": "Question",
"name": "L'alimentation peut-elle prévenir les effets de l'oxygène singulet ?",
"position": 12,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, une alimentation riche en fruits et légumes antioxydants peut aider à prévenir les dommages."
}
},
{
"@type": "Question",
"name": "Le tabagisme augmente-t-il les risques liés à l'oxygène singulet ?",
"position": 13,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le tabagisme génère des radicaux libres, augmentant les effets nocifs de l'oxygène singulet."
}
},
{
"@type": "Question",
"name": "Le stress oxydatif peut-il être évité ?",
"position": 14,
"acceptedAnswer": {
"@type": "Answer",
"text": "Réduire le stress, avoir une bonne hygiène de vie et consommer des antioxydants aide à prévenir."
}
},
{
"@type": "Question",
"name": "Les exercices physiques aident-ils à prévenir les effets de l'oxygène singulet ?",
"position": 15,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exercice régulier peut améliorer la défense antioxydante de l'organisme."
}
},
{
"@type": "Question",
"name": "Comment traiter les effets de l'oxygène singulet ?",
"position": 16,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des antioxydants peuvent être utilisés pour neutraliser les effets nocifs de l'oxygène singulet."
}
},
{
"@type": "Question",
"name": "Y a-t-il des médicaments spécifiques pour l'oxygène singulet ?",
"position": 17,
"acceptedAnswer": {
"@type": "Answer",
"text": "Il n'existe pas de médicaments spécifiques, mais des traitements antioxydants sont recommandés."
}
},
{
"@type": "Question",
"name": "Les thérapies photodynamiques utilisent-elles l'oxygène singulet ?",
"position": 18,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, elles exploitent l'oxygène singulet pour détruire les cellules cancéreuses."
}
},
{
"@type": "Question",
"name": "Comment prévenir les dommages causés par l'oxygène singulet ?",
"position": 19,
"acceptedAnswer": {
"@type": "Answer",
"text": "L'utilisation d'antioxydants et la réduction de l'exposition aux polluants peuvent aider."
}
},
{
"@type": "Question",
"name": "Les suppléments antioxydants sont-ils efficaces ?",
"position": 20,
"acceptedAnswer": {
"@type": "Answer",
"text": "Ils peuvent réduire les effets de l'oxygène singulet, mais leur efficacité varie selon les individus."
}
},
{
"@type": "Question",
"name": "Quelles complications peuvent survenir avec l'oxygène singulet ?",
"position": 21,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des complications incluent des maladies cardiovasculaires et des troubles neurodégénératifs."
}
},
{
"@type": "Question",
"name": "L'oxygène singulet peut-il causer des cancers ?",
"position": 22,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, il est impliqué dans la formation de radicaux libres, augmentant le risque de cancer."
}
},
{
"@type": "Question",
"name": "Y a-t-il des effets à long terme de l'oxygène singulet ?",
"position": 23,
"acceptedAnswer": {
"@type": "Answer",
"text": "Des effets à long terme incluent le vieillissement cellulaire et des maladies chroniques."
}
},
{
"@type": "Question",
"name": "L'oxygène singulet affecte-t-il le système immunitaire ?",
"position": 24,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, il peut altérer la fonction immunitaire, rendant l'organisme plus vulnérable aux infections."
}
},
{
"@type": "Question",
"name": "Des troubles respiratoires peuvent-ils être causés par l'oxygène singulet ?",
"position": 25,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, il peut provoquer des lésions pulmonaires, entraînant des troubles respiratoires."
}
},
{
"@type": "Question",
"name": "Quels sont les facteurs de risque liés à l'oxygène singulet ?",
"position": 26,
"acceptedAnswer": {
"@type": "Answer",
"text": "Les facteurs incluent le tabagisme, la pollution, et une alimentation pauvre en antioxydants."
}
},
{
"@type": "Question",
"name": "L'âge est-il un facteur de risque pour l'oxygène singulet ?",
"position": 27,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, le vieillissement augmente la susceptibilité aux dommages causés par l'oxygène singulet."
}
},
{
"@type": "Question",
"name": "Le stress oxydatif est-il un facteur de risque ?",
"position": 28,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, un stress oxydatif accru peut augmenter les effets nocifs de l'oxygène singulet."
}
},
{
"@type": "Question",
"name": "Les maladies préexistantes augmentent-elles les risques ?",
"position": 29,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, des maladies comme le diabète et les maladies cardiovasculaires augmentent les risques."
}
},
{
"@type": "Question",
"name": "L'exposition à des produits chimiques est-elle un risque ?",
"position": 30,
"acceptedAnswer": {
"@type": "Answer",
"text": "Oui, l'exposition à des produits chimiques toxiques peut augmenter la production d'oxygène singulet."
}
}
]
}
]
}
Expert en Médecine, Optimisation des Parcours de Soins et Révision Médicale
Validation scientifique effectuée le 30/03/2025
Contenu vérifié selon les dernières recommandations médicales
4 publications dans cette catégorie
Affiliations :
State Key Laboratory of Fine Chemicals, Department of Pharmacy, Dalian University of Technology 2 Linggong Road 116024 Dalian China.
Publications dans "Oxygène singulet" :
3 publications dans cette catégorie
Affiliations :
State Key Laboratory of Fine Chemicals, and Department of Pharmaceutical Science, Dalian University of Technology, 2 Linggong Road, 116024, Dalian, China.
Publications dans "Oxygène singulet" :
3 publications dans cette catégorie
Affiliations :
Department of Biophysics, Faculty of Science, P. J. Šafárik University in Košice, Jesenná 5, 041 54 Košice, Slovakia.
Publications dans "Oxygène singulet" :
3 publications dans cette catégorie
Affiliations :
Department of Biophysics, Faculty of Science, P. J. Šafárik University in Košice, Jesenná 5, 041 54 Košice, Slovakia.
Publications dans "Oxygène singulet" :
3 publications dans cette catégorie
Affiliations :
Institute of Biogeochemistry and Pollutant Dynamics (IBP), Department of Environmental Systems Science, ETH Zurich, 8092 Zurich, Switzerland.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
Institute of Physics, Photobiophysics, Humboldt University of Berlin, Newtonstr. 15, 12489 Berlin, Germany.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 16200 Prague, Czech Republic.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
Institute of Macromolecular Chemistry, Czech Academy of Sciences, Heyrovského nám. 2, 16200 Prague, Czech Republic.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
Laboratory of Microbiology and Oncology, Faculty of Pharmaceutical Sciences, Sojo University, Kumamoto 860-0082, Japan.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
State Key Laboratory of Fine Chemicals, and Department of Pharmaceutical Science, Dalian University of Technology, 2 Linggong Road, 116024, Dalian, China.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
State Key Laboratory of Fine Chemicals, and Department of Pharmaceutical Science, Dalian University of Technology, 2 Linggong Road, 116024, Dalian, China.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
State Key Laboratory of Fine Chemicals, and Department of Pharmaceutical Science, Dalian University of Technology, 2 Linggong Road, 116024, Dalian, China.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
School of Physics, Harbin Institute of Technology, Harbin, 150001, China.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China. Electronic address: qinfeng@hit.edu.cn.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
School of Physics, Harbin Institute of Technology, Harbin, 150001, China; School of Instrumentation Science and Engineering, Harbin Institute of Technology, Harbin, 150001, China. Electronic address: zhangzhiguo@hit.edu.cn.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry and Biochemistry, California State University, Los Angeles, CA, USA.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry and Biochemistry, California State University, Los Angeles, CA, USA.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
Department of Chemistry and Biochemistry, California State University, Los Angeles, CA, USA.
Publications dans "Oxygène singulet" :
2 publications dans cette catégorie
Affiliations :
Department of Environmental Science Systems, ETH Zurich, Zurich 8092, Switzerland.
Department of Chemistry, University of British Columbia, Vancouver V6T 1Z1, Canada.
Publications dans "Oxygène singulet" :
Myopia is the most common cause of visual impairment in children and young adults. In order to assess the consequences for society, it is necessary to know temporal trends in prevalence, incidence and...
High myopia is a leading cause of blindness worldwide. However, the exact etiology and mechanism of high myopia remain unclear. Previous genome-wide association study has demonstrated that nine single...
Seven SNPs were genotyped by the MassARRAY iPLEX Gold method in a Han Chinese cohort with the majority from Henan region (central China), which included 361 patients with high myopia and 749 healthy c...
In terms of genotyped SNPs, the allele frequency of rs698047 locus of the HIVEP3 gene were statistically different between myopia and control groups initially, but the difference disappeared after Bon...
There was no demonstrated association between the occurrence of high myopia in the Chinese Han population and polymorphisms in the following loci: HIVEP3 (rs698047), NFASC/CNTN2 (rs2246661), ZC3H11B (...
To explore the association between two single-nucleotide polymorphisms (SNPs) in the SOX2 gene and high and extreme myopia in the Han Chinese population....
A genetic association study using a case-control method was performed with 139 high myopia, 318 extreme myopia, and 918 healthy participants from the Chinese Han population. Two SNPs (rs4459940 and rs...
The mean ages of the extreme myopia and control subjects were 47.44 ± 15.59 and 44.15 ± 14.08 years, respectively. The rs4575941 SNP of the SOX2 gene and the GG and AG genotypes showed no significant ...
The SOX2 rs4575941 polymorphism, in Chinese Han population, contributes to the susceptibility of extreme myopia. SOX2 may thus be implicated in extreme myopia rather than in high myopia....
To explore the prevalence and risk factors for myopia and uncorrected myopia in schoolchildren in southern China....
The government-led Shantou Myopia Study was conducted from September 2020 to June 2021. Non-cycloplegic refraction was performed. Uncorrected visual acuity (UCVA) was measured along with presenting vi...
This study enrolled 724 828 schoolchildren (77.8% of all schoolchildren in Shantou) from 901 schools. Data from 721 032 schoolchildren (99.5%) were analysed (mean age 11.53±3.13 years, 6-20 years, 373...
The overall prevalence of myopia among schoolchildren in Shantou was 51.8%, higher than the national average in China. The proportion of uncorrected myopia is high, especially in primary schools. Our ...
Intraocular lens implantation in phakic eyes for the correction of refractive error is currently a widespread procedure. The EVO and EVO+ Visian Implantable Collamer Lenses (ICL) are two of the most p...
During the last decade, more than 100 scientific papers analyzing the performance of EVO and EVO+ lenses have been published. This review describes the objective visual performance achieved with the i...
Refractive surgeons and candidates to undergo ICL implantation should be aware of the excellent safety and visual outcomes provided by the implantation of central hole ICL lenses. However, future rese...
Initial studies have suggested that multiple segment (MS) spectacle lenses can reduce the progression rate of childhood myopia and axial eye growth. This paper aimed to compare the effectiveness of tw...
Published data from the only two clinical trials in which changes in mean spherical equivalent refraction (SER) and axial length (AL) for matched groups of myopic children wearing either MS or single-...
Absolute changes in SER and AL differed over time during the two trials. However, if the results were expressed in terms of efficacy over successive 6-month periods, then the two MS lenses produced br...
Myopia control may be due to either the additional myopic defocus induced by the MS lenses (i.e., asymmetry of the through-focus image changes about the distance focus) or to the general reduction in ...
Multiple segment spectacle lenses offer a valuable new approach to the control of myopia progression in children. Further work is required to clarify their mechanism of action and to optimise their de...
This study is a retrospective analysis to compare ocular biometry measurements of axial length in children with myopia using Myopia Master (OCULUS, Wetzlar, Germany) and Lenstar LS900 (HAAG-STREIT AG,...
Axial length measurements obtained with both instruments within a 3-week period were collected retrospectively. Measurements were visualized with a Bland-Altman plot. For statistical evaluation, a pai...
Sixty-one eyes from 31 myopic patients (59% male, 41% female) with a mean age of 11.34 ± 3.25 years (range: 6 - 18 years) were identified. Mean axial length was 24.7 mm (SD 1.29) with the Myopia Maste...
The axial length measured by Myopia Master and Lenstar LS900 did not differ significantly. Thus, previous values obtained with the Lenstar LS900 can be applied to assess myopia progression....
The META-Analysis of Pathologic Myopia Study group proposed a new classification system for myopic maculopathy (MM) with pathologic myopia (PM) defined as MM equal to/more serious than diffuse atrophy...
This study examined the optical impact of a DF contact lens during near viewing in a sample of habitual DF lens wearing children....
Seventeen myopic children aged 14 to 18 years who had completed 3 or 6 years of treatment with a DF contact lens (MiSight 1 Day; CooperVision, Inc., San Ramon, CA) were recruited and fit bilaterally w...
During near viewing, children wearing single-vision lenses accommodated on average to achieve approximate focus in the pupil center but, because of combined accommodative lag and negative spherical ab...
The DF contact lens did not alter the accommodative behavior of children. The treatment optics introduced myopic defocus and decreased the amount of hyperopically defocused light in the retinal image....
The rising prevalence of myopia among children and adolescents necessitates effective interventions to mitigate long-term risks, such as retinal detachment and macular degeneration. Traditional approa...