{"id":2320,"date":"2024-07-14T22:37:45","date_gmt":"2024-07-14T21:37:45","guid":{"rendered":"https:\/\/szent-erzsebet.hu\/gimnazium\/?page_id=2320"},"modified":"2024-07-15T10:01:29","modified_gmt":"2024-07-15T09:01:29","slug":"szabo-istvan","status":"publish","type":"page","link":"https:\/\/szent-erzsebet.hu\/gimnazium\/szabo-istvan\/","title":{"rendered":""},"content":{"rendered":"\n<p class=\"has-large-font-size\"><strong>Dr. Szab\u00f3 Istv\u00e1n el\u0151ad\u00e1sa<\/strong><\/p>\n\n\n\n<p class=\"has-medium-font-size\"><strong>Az el\u0151ad\u00e1s t\u00e9m\u00e1ja: Bakt\u00e9riumok a m\u0171anyagok fed\u00e9lzet\u00e9n, avagy a m\u0171anyag tr\u00f3jai fal\u00f3<\/strong><\/p>\n\n\n\n<p>Dr. Szab\u00f3 Istv\u00e1n, a Magyar Agr\u00e1r- \u00e9s \u00c9lettudom\u00e1nyi Egyetem K\u00f6rnyezettoxikol\u00f3giai Tansz\u00e9k\u00e9nek tansz\u00e9kvezet\u0151je tartott el\u0151ad\u00e1st iskol\u00e1nkban \u201eBakt\u00e9riumok a m\u0171anyagok fed\u00e9lzet\u00e9n, avagy a m\u0171anyag tr\u00f3jai fal\u00f3\u201d c\u00edmmel. Az el\u0151ad\u00e1s a D\u00edszteremben zajlott 2024. j\u00fanius 14-\u00e9n \u00e9s a 11. \u00e9vfolyam tanul\u00f3i vettek r\u00e9szt rajta.<\/p>\n\n\n\n<p>A m\u0171anyagok gy\u00e1rt\u00e1sa a II. vil\u00e1gh\u00e1bor\u00fat\u00f3l kezd\u0151dik, az 50-es \u00e9vekt\u0151l exponenci\u00e1lisan n\u00f6vekszik a m\u0171anyaggy\u00e1rt\u00e1s. Minden egyszer haszn\u00e1latos, belecsomagolunk valamit, azt\u00e1n kidobjuk. Ma m\u00e1r minden term\u00e9kben megtal\u00e1lhat\u00f3 a m\u0171anyag, jelenleg 450 milli\u00f3 tonna m\u0171anyagot \u00e1ll\u00edtunk el\u0151 \u00e9vente.<\/p>\n\n\n\n<p>Mikrom\u0171anyag = 5 millim\u00e9tern\u00e9l kisebb m\u0171anyagok, melyek beker\u00fclhetnek az emberi szervezetbe is. Ma m\u00e1r t\u00f6bb emberi szervb\u0151l is mutattak is mikrom\u0171anyagot \u2013 v\u00e9rb\u0151l, t\u00fcd\u0151b\u0151l, m\u00e1jb\u00f3l, placent\u00e1b\u00f3l, anyatejb\u0151l. Az \u00e1llatok sz\u00e1m\u00e1ra a m\u0171anyag, mint pr\u00e9da jelenik meg. Az el\u0151ad\u00f3 kit\u00e9rt arra a jelens\u00e9gre, hogy a vizekben, tengerekben l\u00e9v\u0151 m\u0171anyag hullad\u00e9kra fel tudnak kapaszkodni k\u00fcl\u00f6nb\u00f6z\u0151 invaz\u00edv bakt\u00e9riumok, elsodr\u00f3dnak nagyon messzire \u00e9s megtelepedhetnek \u00faj helysz\u00edneken.<\/p>\n\n\n\n<p>PET Kupa \u2013 mepr\u00f3b\u00e1lj\u00e1k megtiszt\u00edtani a Tisz\u00e1t a m\u0171anyag hullad\u00e9kt\u00f3l, melynek a l\u00e9nyege az is, hogy felh\u00edvj\u00e1k a figyelmet a probl\u00e9m\u00e1ra. P\u00e9ldak\u00e9nt l\u00e1ttuk, hogy 2022-ben egy nap alatt n\u00e9h\u00e1ny haj\u00f3val 8 tonna hullad\u00e9kot szedtek \u00f6ssze a Tisz\u00e1n.<\/p>\n\n\n\n<p>Plasztiszf\u00e9ra fogalma \u2013 a m\u0171anyag fel\u00fcleteken megl\u00e9v\u0151 \u00e9s n\u00f6veked\u0151 \u00e9letk\u00f6z\u00f6ss\u00e9gek, amik k\u00e9pesek ben\u00e9pes\u00edteni ezeket a m\u0171anyagokat \u00e9s k\u00e9pesek ezeket \u00e9lett\u00e9rk\u00e9nt haszn\u00e1lni.<\/p>\n\n\n\n<p>Az el\u0151ad\u00f3 egy szem\u00e9lyes \u00e9lm\u00e9ny\u00e9t felhaszn\u00e1lva elmes\u00e9lte, hogy egy tengerparti nyaral\u00e1s sor\u00e1n megpr\u00f3b\u00e1lt\u00e1k \u00f6sszegy\u0171jteni a parton eldob\u00e1lt sz\u00edv\u00f3sz\u00e1lakat, majd megvizsg\u00e1lt\u00e1k, milyen bakt\u00e9riumokat tartalmaznak. Ekkor j\u00f6ttek r\u00e1, hogy egy \u00faj bakt\u00e9riumfajt tal\u00e1ltak, melynek felfedez\u00e9s\u00e9b\u0151l tudom\u00e1nyos szakcikk is k\u00e9sz\u00fclt, valamint a m\u00e9dia is tud\u00f3s\u00edtott a felfedez\u00e9sr\u0151l. Ebb\u0151l saj\u00e1t kutat\u00e1si m\u00f3dszer sz\u00fcletett: a vizek m\u00e9ly\u00e9re leengednek egy sz\u00edv\u00f3sz\u00e1lakat tartalmaz\u00f3 ed\u00e9nyt, \u00e9s p\u00e1r h\u00f3nap ut\u00e1n megvizsg\u00e1lj\u00e1k, milyen bakt\u00e9riumok telepedtek meg benn\u00fck. A bakt\u00e9riumok vizsg\u00e1lata elvezet ahhoz a kutat\u00e1shoz, melynek c\u00e9lja, hogy kisz\u0171rj\u00e9k a \u201ej\u00f3\u201d bakt\u00e9riumokat, melyek seg\u00edthetnek a m\u0171anyagok lebont\u00e1s\u00e1ban.<\/p>\n\n\n\n<p>Lez\u00e1r\u00e1sk\u00e9nt hallhattuk, hogy a bakt\u00e9riumcsapda ki\u00e1llta a pr\u00f3b\u00e1t, a bakt\u00e9riumok seg\u00edthetnek a megold\u00e1sban. V\u00e9g\u00fcl tippeket kaptunk, hogyan cs\u00f6kkents\u00fck a m\u0171anyag hullad\u00e9kok mennyis\u00e9g\u00e9t.<\/p>\n\n\n\n<p><\/p>\n\n\n    <div id=\"69f8a98b538f8\" rel=\"2321\" data-gg-autoplay=\"auto\" class=\"gg_galleria_slider_wrap gg_galleria_slider_light gg_galleria_slider_show_thumbs  gg_galleria_responsive ggs_2321\" style=\"width: 100%; \" data-asp-ratio=\"0.55\"><a href=\"http:\/\/szent-erzsebet.hu\/gimnazium\/wp-content\/uploads\/sites\/5\/2024\/07\/DSC_0194-scaled.jpg\"><img decoding=\"async\" src=\"\/\/szent-erzsebet.hu\/gimnazium\/wp-content\/uploads\/sites\/5\/ewpt_cache\/60x40_90_1_c_FFFFFF_0b8219b1094ff648070753d08ae365f8.jpg\" data-big=\"http:\/\/szent-erzsebet.hu\/gimnazium\/wp-content\/uploads\/sites\/5\/2024\/07\/DSC_0194-scaled.jpg\" data-description=\"\" alt=\"DSC_0194\" \/><\/a><a href=\"http:\/\/szent-erzsebet.hu\/gimnazium\/wp-content\/uploads\/sites\/5\/2024\/07\/vlcsnap-2024-07-14-23h31m06s230.png\"><img decoding=\"async\" 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src=\"\/\/szent-erzsebet.hu\/gimnazium\/wp-content\/uploads\/sites\/5\/ewpt_cache\/60x40_90_1_c_FFFFFF_fec5f09c437b767278856e824260ccf7.png\" data-big=\"http:\/\/szent-erzsebet.hu\/gimnazium\/wp-content\/uploads\/sites\/5\/2024\/07\/vlcsnap-2024-07-14-23h27m56s103.png\" data-description=\"\" alt=\"vlcsnap-2024-07-14-23h27m56s103\" \/><\/a>        <div style=\"clear: both;\"><\/div><\/div>    <script type=\"text\/javascript\"> (function() {         \"use strict\";                 const intval = setInterval(() => {            if(typeof(jQuery) == \"undefined\" || typeof(gg_galleria_init) == \"undefined\") {                return true;            }            else {                clearTimeout(intval);                            gg_galleria_show(\"#69f8a98b538f8\");                gg_galleria_init(\"#69f8a98b538f8\");            }        }, 50);    })();   <\/script>\n\n\n<figure class=\"wp-block-embed is-type-video is-provider-youtube wp-block-embed-youtube wp-embed-aspect-16-9 wp-has-aspect-ratio\"><div class=\"wp-block-embed__wrapper\">\n<div class=\"video-container\"><iframe loading=\"lazy\" title=\"MTA Alumni program - megh\u00edvott el\u0151ad\u00f3\" width=\"500\" height=\"281\" src=\"https:\/\/www.youtube.com\/embed\/fe1dMBeMtbw?feature=oembed&#038;wmode=opaque\" frameborder=\"0\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" referrerpolicy=\"strict-origin-when-cross-origin\" allowfullscreen><\/iframe><\/div>\n<\/div><\/figure>\n","protected":false},"excerpt":{"rendered":"<p>Dr. Szab\u00f3 Istv\u00e1n el\u0151ad\u00e1sa Az el\u0151ad\u00e1s t\u00e9m\u00e1ja: Bakt\u00e9riumok a m\u0171anyagok fed\u00e9lzet\u00e9n, avagy a m\u0171anyag tr\u00f3jai fal\u00f3 Dr. Szab\u00f3 Istv\u00e1n, a Magyar Agr\u00e1r- \u00e9s \u00c9lettudom\u00e1nyi Egyetem K\u00f6rnyezettoxikol\u00f3giai Tansz\u00e9k\u00e9nek tansz\u00e9kvezet\u0151je tartott el\u0151ad\u00e1st iskol\u00e1nkban \u201eBakt\u00e9riumok a m\u0171anyagok&#46;&#46;&#46;<\/p>\n","protected":false},"author":1,"featured_media":0,"parent":0,"menu_order":0,"comment_status":"closed","ping_status":"closed","template":"","meta":{"footnotes":"","_links_to":"","_links_to_target":""},"class_list":["post-2320","page","type-page","status-publish","hentry"],"_links":{"self":[{"href":"https:\/\/szent-erzsebet.hu\/gimnazium\/wp-json\/wp\/v2\/pages\/2320","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/szent-erzsebet.hu\/gimnazium\/wp-json\/wp\/v2\/pages"}],"about":[{"href":"https:\/\/szent-erzsebet.hu\/gimnazium\/wp-json\/wp\/v2\/types\/page"}],"author":[{"embeddable":true,"href":"https:\/\/szent-erzsebet.hu\/gimnazium\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/szent-erzsebet.hu\/gimnazium\/wp-json\/wp\/v2\/comments?post=2320"}],"version-history":[{"count":2,"href":"https:\/\/szent-erzsebet.hu\/gimnazium\/wp-json\/wp\/v2\/pages\/2320\/revisions"}],"predecessor-version":[{"id":2346,"href":"https:\/\/szent-erzsebet.hu\/gimnazium\/wp-json\/wp\/v2\/pages\/2320\/revisions\/2346"}],"wp:attachment":[{"href":"https:\/\/szent-erzsebet.hu\/gimnazium\/wp-json\/wp\/v2\/media?parent=2320"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}