{"id":13294,"date":"2019-03-23T21:00:12","date_gmt":"2019-03-23T20:00:12","guid":{"rendered":"http:\/\/serveiseducatius.xtec.cat\/tarragones\/?p=13294"},"modified":"2019-04-28T07:35:53","modified_gmt":"2019-04-28T05:35:53","slug":"trics13_grosello","status":"publish","type":"post","link":"https:\/\/serveiseducatius.xtec.cat\/tarragones\/dinamitzacio\/trics\/trics13_grosello\/","title":{"rendered":"Les radiacions ionitzants"},"content":{"rendered":"<p><img loading=\"lazy\" decoding=\"async\" class=\"alignright wp-image-5353\" title=\"Gemma Rosell\u00f3 Fontanals\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_nofoto.jpg\" alt=\"Gemma Rosell\u00f3 Fontanals\" width=\"150\" height=\"200\" \/><strong><span style=\"color: #808080;\"><em>T\u00edtol:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/em><\/span><\/strong><strong>La doble cara de les radiacions ionitzants<\/strong><br \/>\n<strong><em><span style=\"color: #808080;\">Autor\/a:\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong><strong> Gemma Rosell\u00f3 Fontanals<\/strong><br \/>\n<strong><em><span style=\"color: #808080;\">Tutor\/a:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Elena Palmero Blasco<br \/>\n<strong><em><span style=\"color: #808080;\">Modalitat:\u00a0\u00a0<\/span><\/em><\/strong>Ci\u00e8ncies i tecnologia: Cientificot\u00e8cnic<br \/>\n<strong><em><span style=\"color: #808080;\">\u00c0rea:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Biomedicina<br \/>\n<strong><em><span style=\"color: #808080;\">Centre:\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Ins Tarragona<br \/>\n<strong><em><span style=\"color: #808080;\">Localitat:\u00a0\u00a0\u00a0<\/span><\/em><\/strong>Tarragona<\/p>\n<h6><strong>Objectius:<\/strong><\/h6>\n<ol>\n<li>con\u00e8ixer qu\u00e8 s\u00f3n les radiacions<\/li>\n<li>estudiar com afecten les radiacions ionitzants sobre les c\u00e8l\u2022lules humanes<\/li>\n<li>saber qu\u00e8 \u00e9s el tractament de la radioter\u00e0pia<\/li>\n<li>analitzar quins efectes produeixen els raigs X a c\u00e8l\u2022lules dels llevats.<\/li>\n<\/ol>\n<h6><strong>Hip\u00f2tesi:<\/strong><\/h6>\n<p style=\"text-align: justify;\">per quin motiu podem utilitzar les radiacions que ens provoquen c\u00e0ncer per curar-lo?<\/p>\n<h6><strong>El proc\u00e9s:<\/strong><\/h6>\n<p style=\"text-align: justify;\">Per fer la part te\u00f2rica s\u2019han fet servir b\u00e0sicament p\u00e0gines webs sobre radiaci\u00f3 i sobre c\u00e0ncer, a part d\u2019alguns llibres tamb\u00e9 relacionats amb el tema. La part pr\u00e0ctica consisteix en l\u2019irradiaci\u00f3 de llevats, de la qual s\u2019han derivat de dues proves, una de microbiol\u00f2gica i una altra de bioqu\u00edmica, que s\u2019han fet amb l\u2019ajuda de la Universitat Rovira i Virgili, la Facultat d\u2019Enologia de Tarragona i la Facultat de Medecina de Reus, i de l\u2019Hospital Universitari Sant Joan de Reus, el Servei d\u2019Oncologia Radioter\u00e0pica. Va costar molt trobar una font de radiaci\u00f3 ionitzant que es pogu\u00e9s utilitzar per dur a terme la part pr\u00e0ctica, per\u00f2 al final va ser possible fer-ho.<\/p>\n<h6><strong>Conclusions:<\/strong><\/h6>\n<p style=\"text-align: justify;\">Quan les radiacions interaccionen amb les nostres c\u00e8l\u2022lules, les danyen de manera que afecten al material gen\u00e8tic d\u2019aquestes. El fet de que el DNA estigui danyat, fa que la c\u00e8l\u2022lula presenti mutacions i no dugui a terme el seu funcionament correctament. Aquestes c\u00e8l\u2022lules poden esdevenir c\u00e8l\u2022lules canceroses i, per tant, formar tumors. El que fa el tractament de la radioter\u00e0pia \u00e9s aplicar radiaci\u00f3 en aquestes c\u00e8l\u2022lules canceroses. Com que la radiaci\u00f3 danya el DNA, al tumor se li aplica una dosi de radiaci\u00f3 que provoqui cert dany a la c\u00e8l\u2022lula cancerosa, \u00e9s a dir, fer que presenti tantes mutacions que final la c\u00e8l\u2022lula no podr\u00e0 funcionar, i, per tant, morir\u00e0.<br \/>\nDe la recerca experimental podem concloure que la radiaci\u00f3 fa que les c\u00e8l\u2022lules dels llevats proliferin de manera m\u00e9s descontrolada quan aquests han rebut una dosi de radiaci\u00f3 alta, que \u00e9s la mateixa caracter\u00edstica que tenen les c\u00e8l\u2022lules canceroses humanes, una gran capacitat de proliferaci\u00f3.<\/p>\n<h6><strong>Bibliografia:<\/strong><\/h6>\n<ul>\n<li>Joan Mercad\u00e9 i d&#8217;altres. <span style=\"color: #808080;\"><strong>F\u00edsica Batxillerat 2<\/strong><\/span>. Mc Graw Hill<\/li>\n<li>M. D. Torres Lobej\u00f3n i d&#8217;altres. <span style=\"color: #808080;\"><strong>Biologia B1<\/strong><\/span>. Vicens Vives<\/li>\n<li>. <span style=\"color: #808080;\"><strong>Enciclop\u00e8dia de Medicina i Salut<\/strong><\/span>. Enciclop\u00e8dia catalana<\/li>\n<\/ul>\n<h6><strong>Llocs Web:<\/strong><\/h6>\n<ul>\n<li><a href=\"https:\/\/www.cancer.gov\/espanol\/cancer\/causas-prevencion\/riesgo\/radiacion\" target=\"_blank\" rel=\"noopener noreferrer\">Factores de riesgo de c\u00e0ncer<\/a><\/li>\n<li><a href=\"http:\/\/cancer.gencat.cat\/ca\/ciutadans\/prevencio\/codi_europeu\/radiacio\/\" target=\"_blank\" rel=\"noopener noreferrer\">Radiaci\u00f3<\/a><\/li>\n<li><a href=\"http:\/\/mejorsincancer.org\/2015\/06\/11\/radiacion-y-cancer\/\" target=\"_blank\" rel=\"noopener noreferrer\">Radiaci\u00f3n y c\u00e1ncer<\/a><\/li>\n<li><a href=\"https:\/\/sites.google.com\/site\/elscucsinfinits\/introduccio\/ii-3-marc-teoric\/7\" target=\"_blank\" rel=\"noopener noreferrer\">Qu\u00e8 \u00e9s la radiaci\u00f3 i quins tipus hi ha?<\/a><\/li>\n<li><a href=\"http:\/\/www.academia.edu\/29329017\/Radiosensibilizadores\" target=\"_blank\" rel=\"noopener noreferrer\">Radiosensibilizadores y radioprotectores<\/a><\/li>\n<li><a href=\"http:\/\/ca.termwiki.com\/CA\/stochastic_effects_%E2%82%81\" target=\"_blank\" rel=\"noopener noreferrer\">Efectes estoc\u00e0stics<\/a><\/li>\n<li><a href=\"https:\/\/www.ffis.es\/ups\/proteccion_radiologica_radiologia_intervencionista\/TEMA%209%20radiobiologia%20general.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Estudio de los efectos de las radiaciones ionizantes en tejidos biol\u00f3gicos<\/a><\/li>\n<li><a href=\"http:\/\/ioc.xtec.cat\/materials\/G_MC2\/apunts\/materia_per_dins.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">Com \u00e9s la mat\u00e8ria per dins?.<\/a><\/li>\n<li><a href=\"https:\/\/publicacions.iec.cat\/repository\/pdf\/00000177\/00000084.pdf\" target=\"_blank\" rel=\"noopener noreferrer\">]. Els llevats com a organisme model de recerca en biologia<\/a><\/li>\n<li><a href=\"https:\/\/www.raco.cat\/index.php\/Ciencies\/article\/viewFile\/305743\/395655\" target=\"_blank\" rel=\"noopener noreferrer\">Per\u00f2xid d\u2019hidrogen, catalasa i cin\u00e8tica qu\u00edmica<\/a><\/li>\n<\/ul>\n<h6><strong>Presentaci\u00f3:<\/strong><\/h6>\n<p><iframe loading=\"lazy\" style=\"border: 1px solid #CCC; border-width: 1px; margin-bottom: 5px; max-width: 100%;\" src=\"\/\/www.slideshare.net\/slideshow\/embed_code\/key\/hiq4AWLoGTYyOi\" width=\"595\" height=\"485\" frameborder=\"0\" marginwidth=\"0\" marginheight=\"0\" scrolling=\"no\" allowfullscreen=\"allowfullscreen\"> <\/iframe><\/p>\n<h6><strong>Fotos:<\/strong><\/h6>\n<div id=\"1234\" style=\"width: 600px; height: 400px; display: none;\"><img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge1_grosello.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge1_grosello.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge2_grosello.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge2_grosello.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge3_grosello.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge3_grosello.jpg\" \/><br \/>\n<img decoding=\"async\" src=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge4_grosello.jpg\" data-link=\"https:\/\/serveiseducatius.xtec.cat\/tarragones\/wp-content\/uploads\/usu549\/2019\/03\/trics13_imatge4_grosello.jpg\" \/><br \/>\n<script type=\"text\/javascript\" src=\"https:\/\/cdn.jsdelivr.net\/jquery\/1.12.3\/jquery.min.js\"><\/script><br \/>\n<script>\n (MyGalleries=(typeof MyGalleries === 'undefined' ? [] : MyGalleries)).push({gallId:'#1234',autoplay:true,lightbox:true,debug:false,popupLinks:true});\n if(typeof GalleryLoaded === 'undefined'){\n  GalleryLoaded = jQuery(function(){\n   jQuery.ajax({url:'https:\/\/cdn.jsdelivr.net\/galleria\/1.4.2\/galleria.min.js',dataType:'script',cache:true}).done(function(){\n    Galleria.loadTheme('https:\/\/cdn.jsdelivr.net\/galleria\/1.4.2\/themes\/classic\/galleria.classic.js');\n    for(var n in MyGalleries){\n     Galleria.run(MyGalleries[n].gallId, MyGalleries[n]);\n     jQuery(MyGalleries[n].gallId).css('display','block');\n    }\n   });\n  });\n }\n<\/script><\/div>\n<p>&nbsp;<\/p>\n<div><sup><em>Foto 1.- \u00c9s el s\u00edmbol que avisa de perill de radioactivitat. La radioactivitat est\u00e0 relacionada amb les radiacions ionitzants.<\/em><\/sup><br \/>\n<sup><em>Foto 2.- esquema de la part pr\u00e0ctica del treball <\/em><\/sup><br \/>\n<sup><em>Foto 3.- proc\u00e9s per fer els cultius de llevats<\/em><\/sup><br \/>\n<sup><em>Foto 4.- accelerador de part\u00edcules on es van irradiar els llevats<\/em><\/sup><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Gemma Rosell\u00f3 Fontanals<\/p>\n","protected":false},"author":1,"featured_media":13295,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"site-sidebar-layout":"default","site-content-layout":"","ast-site-content-layout":"","site-content-style":"default","site-sidebar-style":"default","ast-global-header-display":"","ast-banner-title-visibility":"","ast-main-header-display":"","ast-hfb-above-header-display":"","ast-hfb-below-header-display":"","ast-hfb-mobile-header-display":"","site-post-title":"","ast-breadcrumbs-content":"","ast-featured-img":"","footer-sml-layout":"","theme-transparent-header-meta":"","adv-header-id-meta":"","stick-header-meta":"","header-above-stick-meta":"","header-main-stick-meta":"","header-below-stick-meta":"","astra-migrate-meta-layouts":"default","ast-page-background-enabled":"default","ast-page-background-meta":{"desktop":{"background-color":"var(--ast-global-color-4)","background-image":"","background-repeat":"repeat","background-position":"center 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