| dbo:abstract |
Autofluorescence is the natural emission of light by biological structures such as mitochondria and lysosomes when they have absorbed light, and is used to distinguish the light originating from artificially added fluorescent markers (fluorophores). The most commonly observed autofluorescencing molecules are NADPH and flavins; the extracellular matrix can also contribute to autofluorescence because of the intrinsic properties of collagen and elastin. Generally, proteins containing an increased amount of the amino acids tryptophan, tyrosine, and phenylalanine show some degree of autofluorescence. Autofluorescence also occurs in non-biological materials found in many papers and textiles. Autofluorescence from U.S. paper money has been demonstrated as a means for discerning counterfeit currency from authentic currency. (en) L'autofluorescence est l'émission naturelle de lumière (de fluorescence) par des structures biologiques telles que les mitochondries et les lysosomes lorsqu'ils ont absorbé de la lumière, et est souvent utilisée pour distinguer la lumière provenant de marqueurs fluorescents ajoutés artificiellement (fluorophores) . Les molécules d'autofluorescence les plus couramment observées sont le NADPH et les flavines ; la matrice extracellulaire (ECM) peut également contribuer à l'autofluorescence en raison des propriétés intrinsèques du collagène et de l'élastine. En général, les protéines contenant une quantité accrue en acides aminés tryptophane, tyrosine et phénylalanine présentent un certain degré d'autofluorescence. L'autofluorescence se produit également dans les matériaux non biologiques, présents dans de nombreux papiers et textiles. L'autofluorescence à partir de monnaie papier américaine a été démontrée comme pouvant discerner la fausse monnaie de l'authentique. (fr) 自家蛍光（じかけいこう、英: autofluorescence）は、ミトコンドリアやリソソームといった生物学的構造が光を吸収した際に起こる光の自然放出（フォトルミネセンス）であり、人工的に加えられた蛍光マーカー（）由来の光を区別するために用いられる。 (ja) 自体荧光是生物结构（例如线粒体和溶酶体）在它们吸收光时自然发射的光，并且被用于区分源自人工添加的荧光标记（荧光团）的光。 最常见的自体荧光分子是NADPH和黄素; 细胞外基质也可以有助于自发荧光，因为胶原蛋白和弹性蛋白的固有特性。 通常，含有增加数量的氨基酸色氨酸，酪氨酸和苯丙氨酸的蛋白质显示一定程度的自发荧光。 在醫學上，有運用或激光引發人體內的自體熒光，用以診斷癌症等疾病的方式。 (zh) |
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自家蛍光（じかけいこう、英: autofluorescence）は、ミトコンドリアやリソソームといった生物学的構造が光を吸収した際に起こる光の自然放出（フォトルミネセンス）であり、人工的に加えられた蛍光マーカー（）由来の光を区別するために用いられる。 (ja) 自体荧光是生物结构（例如线粒体和溶酶体）在它们吸收光时自然发射的光，并且被用于区分源自人工添加的荧光标记（荧光团）的光。 最常见的自体荧光分子是NADPH和黄素; 细胞外基质也可以有助于自发荧光，因为胶原蛋白和弹性蛋白的固有特性。 通常，含有增加数量的氨基酸色氨酸，酪氨酸和苯丙氨酸的蛋白质显示一定程度的自发荧光。 在醫學上，有運用或激光引發人體內的自體熒光，用以診斷癌症等疾病的方式。 (zh) Autofluorescence is the natural emission of light by biological structures such as mitochondria and lysosomes when they have absorbed light, and is used to distinguish the light originating from artificially added fluorescent markers (fluorophores). The most commonly observed autofluorescencing molecules are NADPH and flavins; the extracellular matrix can also contribute to autofluorescence because of the intrinsic properties of collagen and elastin. (en) L'autofluorescence est l'émission naturelle de lumière (de fluorescence) par des structures biologiques telles que les mitochondries et les lysosomes lorsqu'ils ont absorbé de la lumière, et est souvent utilisée pour distinguer la lumière provenant de marqueurs fluorescents ajoutés artificiellement (fluorophores) . Les molécules d'autofluorescence les plus couramment observées sont le NADPH et les flavines ; la matrice extracellulaire (ECM) peut également contribuer à l'autofluorescence en raison des propriétés intrinsèques du collagène et de l'élastine. (fr) |
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Autofluorescence (en) Autofluorescence (fr) 自家蛍光 (ja) 自体荧光 (zh) |
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