Photodimerization of urocanic acid in vitro and in vivo

J.H. Anglin Jr., Mark Allen Everett
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引用次数: 11

Abstract

  • 1.

    1. Irradition of urocanic acid or urocanate frozen in aqueous solution with 280–320-mμ light produced a photodimer which was isolated by gradient elution from an anion-exchange resin.

  • 2.

    2. A similar substance was shown to be present in dilute acid extracts of guinea-pig epidermis after irradiation with 280–320-mμ light.

  • 3.

    3. The photodimer formed with 280–320-mμ light when irradiated in solution with 254-mμ light was converted to urocanic acid and smaller amounts of several other products.

  • 4.

    4. Irradiation of crystalline urocanic acid or its solutions does not produce an accumulation of the photodimer.

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尿尿酸在体外和体内的光二聚化
1.1. 用280 - 320 μ m的光照射冷冻在水溶液中的尿毒酸或尿毒酸盐,产生光二聚体,通过梯度洗脱从阴离子交换树脂中分离得到。在280 ~ 320 μ m的光照射下,豚鼠表皮的稀酸提取物中也存在类似的物质。280 ~ 320 μ m光形成的光二聚体在254 μ m光的照射下转化为尿尿酸和少量其他几种产物。照射结晶尿酸或其溶液不会产生光二聚体的积累。
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Subject index Author index Photoreduction of nicotinamide-adenine dinucleotide by a cell-free system from Chromatium Chlorophylls of photosynthetic bacteria Photodimerization of urocanic acid in vitro and in vivo
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