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Pelagia noctiluca is considered the most important stinging jellyfish in the Mediterranean Sea. Both its tentacles and—unusual among jellyfish—the bell are covered in cnidocytes (stinging cells), and even recently dead, stranded individuals can sting.
Very colorful, this jellyfish phosphoresces when disturbed and can leave a luminous mucous behind if handled. It is called the "mauve jelly" by the British. Also known as the oceanic jelly, this species is adapted to life in the open water.
We now have jellyfish proteins that span an 80-nanometer portion visible spectrum from deep blue to yellow-green, providing a wide choice of genetically encoded markers for studies in cell biology.
Jellyfish, also known as sea jellies, are the medusa-phase of certain gelatinous members of the subphylum Medusozoa, which is a major part of the phylum Cnidaria. Jellyfish are mainly free-swimming marine animals with umbrella-shaped bells and trailing tentacles, although a
18 de dic. de 2020 · Decades after the discovery of its green fluorescent protein (GFP), the jellyfish Aequorea victoria and its relatives continue to glow.
La emisión de un fotón desde un estado excitado singlete al estado de tierra singlete, o entre dos niveles de energía cualesquiera con la misma espina, se llama fluorescencia. La probabilidad de fluorescencia es muy alta y la vida media de un electrón en estado excitado es de solo 10 —5 —10 —8 s.
La fosforescencia es el fenómeno en el cual ciertas sustancias tienen la propiedad de absorber energía y almacenarla, para emitirla posteriormente en forma de radiación.
