{"id":185437,"date":"2026-05-21T16:18:05","date_gmt":"2026-05-21T16:18:05","guid":{"rendered":"https:\/\/raed.academy\/?p=185437"},"modified":"2026-05-21T16:18:05","modified_gmt":"2026-05-21T16:18:05","slug":"lastat-nou-element-dimportancia-tecnologica","status":"publish","type":"post","link":"https:\/\/raed.academy\/ca\/lastat-nou-element-dimportancia-tecnologica\/","title":{"rendered":"L’\u00e0stat, nou element d’import\u00e0ncia tecnol\u00f2gica"},"content":{"rendered":"
\"August

Dr. August Corominas<\/p><\/div>\n

August Corominas<\/strong><\/em><\/a>, professor de Fisiologia Humana de la Universitat de M\u00farcia<\/strong> i de la Universitat Aut\u00f2noma de Barcelona<\/strong> i acad\u00e8mic em\u00e8rit de la Reial Acad\u00e8mia Europea de Doctors<\/strong> (RAED), comparteix amb la comunitat acad\u00e8mica l’article “L’\u00e0stat, nou element d\u2019import\u00e0ncia tecnol\u00f2gica”<\/strong>, en el qual aborda la import\u00e0ncia d’aquest material, considerat el m\u00e9s esc\u00e0s i radioactiu de la Terra. L’acad\u00e8mic ha compartit recentment en aquesta publicaci\u00f3 els articles Els secrets de la longevitat i les ‘zones blaves’<\/strong><\/a>, “Atenci\u00f3 a les caigudes, de nit i de dia”<\/strong><\/a>,\u00a0“La bona vida i la vida bona”<\/strong><\/a>, “Vida biol\u00f2gica i Vida Qu\u00e0ntica”<\/strong><\/a>, “Hospitals intel\u00b7ligents”<\/strong><\/a>, “Cosmon\u00e0utica i medicina espacial”<\/strong><\/a>, “El maltractament i la seva gesti\u00f3”<\/strong><\/a>, “Biologia qu\u00e0ntica”<\/strong><\/a>, “El negre de Banyoles (boixim\u00e0 o hotentot)”<\/strong><\/a>, “Polidact\u00edlia”<\/strong><\/a>, “Adolesc\u00e8ncia, edat cr\u00edtica de la vida humana”<\/strong><\/a>, “Les sirenes, il\u00b7lusi\u00f3 de navegants i homes de mar”<\/strong><\/a>, “Alimentaci\u00f3 b\u00edblica: aliments purs i aliments impurs”<\/strong><\/a>,\u00a0“Els fam\u00e8lics de Gaza”<\/strong><\/a>, “Sexologia a l’adolesc\u00e8ncia i a la somatopausa: (andropausa i menopausa)<\/strong><\/a>, “Ciberatacs, ciberguerra i ciberseguretat”<\/strong><\/a>, “Refugiats”<\/strong><\/a>, “La maldat humana”<\/strong><\/a>, “Geoestrat\u00e8gia de les terres rares”<\/strong><\/a>, “Consci\u00e8ncia i omissi\u00f3: la mis\u00e8ria del governant”<\/strong><\/a>, “Plasticosi”<\/strong><\/a>, “Humanitzaci\u00f3”<\/strong><\/a>\u00a0i “L’illa del doctor Moreau i els ‘therians'”<\/strong><\/a>. A m\u00e9s \u00e9s autor d’un dels cap\u00edtols del llibre “Vitalidad al envejecer. Si lo deseas, puedes vivir m\u00e1s a\u00f1os con salud”<\/strong>, editat per la Reial Corporaci\u00f3 amb el suport de Vichy Catal\u00e1n<\/strong>.<\/p>\n

L’\u00e0stat, nou element d\u2019import\u00e0ncia tecnol\u00f2gica<\/h2>\n

\"\"La taula peri\u00f2dica no \u00e9s nom\u00e9s un inventari d’elements qu\u00edmics, sin\u00f3 un mapa dels l\u00edmits de la mat\u00e8ria, del temps i de l’estabilitat. Entre tots els seus components, l’\u00e0stat (At) ocupa un lloc singular: \u00e9s l’element natural m\u00e9s rar de l’escor\u00e7a terrestre i, alhora, un dels m\u00e9s inestables. Paradoxalment, aquesta extrema fugacitat no el condemna a la irrellev\u00e0ncia cient\u00edfica, sin\u00f3 que el situa a la frontera entre la finitud f\u00edsica i l’esperan\u00e7a terap\u00e8utica, especialment en l\u2019\u00e0mbit de la medicina nuclear.<\/p>\n

1. L’\u00e0stat a la taula peri\u00f2dica: un element l\u00edmit.<\/h3>\n

L’\u00e0stat \u00e9s un halogen amb nombre at\u00f2mic 85. A difer\u00e8ncia d’altres elements del seu grup, no posseeix is\u00f2tops estables. Tots els seus nuclis es desintegren r\u00e0pidament mitjan\u00e7ant processos radioactius, la qual cosa impedeix la seva acumulaci\u00f3 natural en quantitats macrosc\u00f2piques.<\/p>\n

S’estima que a tota l’escor\u00e7a terrestre hi ha, en un moment donat, menys d’unes desenes de grams d’\u00e0stat, formats transit\u00f2riament per la desintegraci\u00f3 de l’urani i el tori. Aquesta condici\u00f3 el converteix en un cas extrem de finitud material, amb una exist\u00e8ncia breu, fragment\u00e0ria i sempre a punt de la desaparici\u00f3.<\/p>\n

Des del punt de vista qu\u00edmic i nuclear, l’\u00e0stat desafia els models cl\u00e0ssics de comportament peri\u00f2dic, obligant a revisar conceptes d’enlla\u00e7, electronegativitat i estabilitat en elements pesants.<\/p>\n

2. Inestabilitat nuclear i coneixement cient\u00edfic.<\/h3>\n

La import\u00e0ncia de l’\u00e0stat no rau en la seva abund\u00e0ncia, sin\u00f3 en la seva capacitat per il\u00b7luminar els l\u00edmits del coneixement. Estudiar l’\u00e0stat implica enfrontar-se a:<\/p>\n

    \n
  • La fragilitat del nucli at\u00f2mic.<\/li>\n
  • L’equilibri entre forces nuclears.<\/li>\n
  • El tr\u00e0nsit entre mat\u00e8ria i radiaci\u00f3.<\/li>\n<\/ul>\n

    En aquest sentit, l’\u00e0stat funciona com un laboratori natural de la inestabilitat, essencial per comprendre com i per qu\u00e8 la mat\u00e8ria es desintegra. \u00c9s un recordatori que la natura no est\u00e0 dissenyada per a la perman\u00e8ncia, sin\u00f3 per al canvi continu.<\/p>\n

    3. L’\u00e0stato-211 i la medicina nuclear.<\/h3>\n

    L’aspecte m\u00e9s prometedor de l’\u00e0stat emergeix a l’\u00e0mbit m\u00e8dic, concretament amb l’is\u00f2top \u00e0stat-211. Aquest radion\u00faclid emet part\u00edcules alfa, caracteritzades per:<\/p>\n

      \n
    • Alt\u00edssima energia destructiva.<\/li>\n
    • Abast extremadament curt (micr\u00f2metres).<\/li>\n<\/ul>\n

      Aquestes propietats el converteixen en un candidat ideal per a la ter\u00e0pia alfa dirigida, una t\u00e8cnica avan\u00e7ada d’oncologia de precisi\u00f3. En unir-se a mol\u00e8cules que reconeixen c\u00e8l\u00b7lules tumorals, l’\u00e0stat-211 pot destruir-les efica\u00e7ment sense fer malb\u00e9 el teixit sa circumdant.<\/p>\n

      Aqu\u00ed es manifesta una paradoxa profunda: un element que no pot sostenir-se a si mateix en el temps pot, tot i aix\u00f2, sostenir la vida d’altres.<\/p>\n

      4. Finitud,\u00a0medicina\u00a0i \u00e8tica.<\/h3>\n

      Des d’una perspectiva medicoexistencial, l’\u00e0stat simbolitza la converg\u00e8ncia entre finitud i compte. El seu \u00fas terap\u00e8utic planteja preguntes \u00e8tiques i filos\u00f2fiques rellevants:<\/p>\n

        \n
      • Pot l’ef\u00edmer ser m\u00e9s valu\u00f3s que el permanent?<\/li>\n
      • \u00c9s la inestabilitat una debilitat o una eina?<\/li>\n
      • Fins a quin punt la\u00a0medicina\u00a0moderna es\u00a0basa\u00a0en processos de destrucci\u00f3 controlada per preservar la vida?<\/li>\n<\/ul>\n

        La ter\u00e0pia amb \u00e0stat-211 il\u00b7lustra una \u00e8tica de la precisi\u00f3 i la responsabilitat, on el poder destructiu es canalitza amb una finalitat reparadora. Aquesta l\u00f2gica s’alinea amb els principis de la salut planet\u00e0ria, que exigeixen intervencions m\u00ednimes, espec\u00edfiques i sostenibles.<\/p>\n

        5. L’\u00e0stat com a met\u00e0fora de la condici\u00f3 humana.<\/h3>\n

        M\u00e9s enll\u00e0 del seu valor t\u00e8cnic, l’\u00e0stat pot interpretar-se com una met\u00e0fora de la condici\u00f3 humana:<\/p>\n

          \n
        • Som finits, inestables i vulnerables.<\/li>\n
        • La nostra exist\u00e8ncia \u00e9s breu en termes c\u00f2smics.<\/li>\n<\/ul>\n

          Tot i aix\u00f2, fins i tot en aquella brevetat, podem generar impacte, sentit i cura. Aix\u00ed com l’\u00e0stat amb prou feina existeix i, tot i aix\u00ed, \u00e9s crucial en contextos extrems, la vida humana troba la seva dignitat no en la durada, sin\u00f3 en la capacitat de transformar i protegir.<\/p>\n

          Conclusi\u00f3.<\/h3>\n

          L’\u00e0stat representa un dels exemples m\u00e9s clars de com la ci\u00e8ncia moderna explora els l\u00edmits de la mat\u00e8ria per respondre als desafiaments de la vida. Element gaireb\u00e9 inexistent, inestable i condemnat a desapar\u00e8ixer, esdev\u00e9 paradoxalment una eina d’alta precisi\u00f3 contra el c\u00e0ncer i en un s\u00edmbol potent de la finitud creadora.<\/p>\n

          En un m\u00f3n marcat per la fragilitat biol\u00f2gica i planet\u00e0ria, l’\u00e0stat ens recorda que fins i tot el m\u00e9s rar i ef\u00edmer pot ser essencial. Comprendre-ho \u00e9s, en \u00faltima inst\u00e0ncia, comprendre que la ci\u00e8ncia, la medicina i l’\u00e8tica convergeixen all\u00e0 on la finitud es transforma en cura.<\/p>\n","protected":false},"excerpt":{"rendered":"

          August Corominas aborda la import\u00e0ncia de l’\u00e0stat, element qu\u00edmic considerat el m\u00e9s esc\u00e0s i radioactiu de la Terra, a l’article “El \u00e1stato, nuevo elemento de importancia tecnol\u00f3gica”<\/p>\n","protected":false},"author":12,"featured_media":185412,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[455,298,344,213],"tags":[],"class_list":["post-185437","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-ciencies-de-la-salut","category-fisica-ca","category-fisica-de-particules","category-medicina-i-cirurgia","et-has-post-format-content","et_post_format-et-post-format-standard"],"yoast_head":"\nL'\u00e0stat, nou element d'import\u00e0ncia tecnol\u00f2gica - Reial Acad\u00e8mia Europea de Doctors<\/title>\n<meta name=\"description\" content=\"El Dr. 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