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      <title>Aspirin by Mateja Vuradin</title>
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      <language>en-us</language>
      <pubDate>2020-02-12 19:16:30 UTC</pubDate>
      <lastBuildDate>2024-04-21 22:16:44 UTC</lastBuildDate>
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         <title>POVIJEST</title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444594999</link>
         <description><![CDATA[<div>Stari Rimljani koristili su sok vrbe kako bi ublažili bolove. Taj sok je sadržavao <strong><mark>salicilnu kiselinu</mark></strong>( lat. <em>salix </em>= vrba).<br>1828. farmakolog J.A. Buchner izolirao se ekstrakt salicina iz kore vrbe i lijek se počeo sve više upotrebljavati.<br>1874. kemičari su u laboratoriju dobili salicilnu kiselinu. Proizvedeni lijekovi su često izazivali povraćanje i oštećenje sluznice želuca. <br>1897. <strong>Felix Hoffman</strong> je acetiliranjem salicilne kiseline dobio stabilnu djelotvornu tvar koja se počela upotrebljavati kao lijek.<br>1899. acetilsalicilna kiselina pojavljuje se na tržištu pod nazivom <strong><mark>"aspirin"</mark></strong>. U početku se proizvod prodavao kao prah, a ubrzo se počeo u obliku tableta.<br>1982. J.R. Vane dobio je Nobelovu nagradu za otkrivanje djelovanja aspirina.</div>]]></description>
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         <pubDate>2020-02-12 19:22:57 UTC</pubDate>
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      <item>
         <title>ACETILSALICILNA KISELINA</title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444615012</link>
         <description><![CDATA[<div>Acetilsalicilna kiselina je <mark>ester </mark>salicilne kiseline i octene kiseline.  Esterska se veza dobiva reakcijom -OH skupine salicilne kiseline i -COOH skupine octene kiseline.  Zbog nemogućnosti odvijanje reakcije do kraja, koristi se zapravo anhidrid octene kiseline u suvišku, i zagrijava, a kao katalizator se koristi sumporna ili fosforna kiselina. Nakon hlađenja, dobiveni kristali se pročišćavaju prekristalizacijom.<br>Jedan od novijih postupaka za dobivanje kiseline jest reakcija salicilne kiseline i anhidrida octene kiseline, uz dodatak kalcijevog ili cinkovog oksida.</div>]]></description>
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         <pubDate>2020-02-12 19:46:44 UTC</pubDate>
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         <title></title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444620797</link>
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         <pubDate>2020-02-12 19:53:43 UTC</pubDate>
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      <item>
         <title></title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444623877</link>
         <description><![CDATA[<div>Acetilsalicilna kiselina</div>]]></description>
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         <pubDate>2020-02-12 19:57:59 UTC</pubDate>
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      <item>
         <title></title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444643029</link>
         <description><![CDATA[<div>Dobivanje acetilsalicilne kiseline</div>]]></description>
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         <pubDate>2020-02-12 20:26:05 UTC</pubDate>
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      <item>
         <title>UPOTREBA ASPIRINA</title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444644652</link>
         <description><![CDATA[<div>Aspirin je <strong><mark>analgetik, antipiretik i antiinflamatorik</mark></strong>, tj. ublažava bolove, snižava vrućicu i ima protuupalna svojstva.<br>Aspirin se upotrebljava za ublažavanje glavobolje, zubobolje, grlobolje uslijed prehlade, menstrualnih bolova, bolova u mišićima i zglobovima, bolova u leđima, blagih artritičnih bolova te za simptomatsko ublažavanje bolova i sniženje vrućice kod prehlade ili gripe.</div>]]></description>
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         <pubDate>2020-02-12 20:28:18 UTC</pubDate>
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      <item>
         <title>DJELOVANJE ASPIRINA</title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444651270</link>
         <description><![CDATA[<div><strong><mark>Prostaglandin</mark></strong><strong> </strong>je tvari koja uzrokuje bol, povišenu tjelesnu temperaturu i upalu. Enzim koji je neophodan za njezinu proizvodnju jest <strong><mark>ciklooksigenaza</mark></strong>. <br>Aspirin, nakon što se acetil skupina poveže na aktivno mjesto enzima, ireverzibilno<strong> </strong><strong><mark>inhibira enzime</mark></strong>. Time se ublažava bol, temperatura, upala...</div>]]></description>
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         <pubDate>2020-02-12 20:39:13 UTC</pubDate>
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      <item>
         <title></title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444659149</link>
         <description><![CDATA[<div>Stanična reakcija</div>]]></description>
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         <pubDate>2020-02-12 20:53:24 UTC</pubDate>
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      <item>
         <title></title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444659539</link>
         <description><![CDATA[<div>Prostaglandini</div>]]></description>
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         <pubDate>2020-02-12 20:54:06 UTC</pubDate>
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      <item>
         <title></title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444661286</link>
         <description><![CDATA[<div>Uloga Aspirina</div>]]></description>
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         <pubDate>2020-02-12 20:56:57 UTC</pubDate>
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      <item>
         <title></title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/444665339</link>
         <description><![CDATA[<div>Aspirin tablete tvrtke Bayer</div>]]></description>
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         <pubDate>2020-02-12 21:03:17 UTC</pubDate>
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      <item>
         <title>DODATNA UPOTREBA ASPIRINA</title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/445070232</link>
         <description><![CDATA[<div>Krvne pločice- trombociti se ponekad mogu slijepiti i dovesti do stvaranja krvnog ugruška koji pak može uzrokovati srčani udar. <br>Aspirin onemogućuje stvaranje tromboksana A<sub>2</sub> u <strong>krvnim ugrušcima</strong>. Anikoagulantsko svojstvo aspirina omogućava smanjenje rizika od <strong><mark>srčanih udara</mark></strong>. <br>Novija istraživanja pokazala su da je aspirin koristan i u kontroli dijabetesa, prevenciji kolorektalnog karcinoma i raka prostate.</div>]]></description>
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         <pubDate>2020-02-13 15:47:14 UTC</pubDate>
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      <item>
         <title>NUSPOJAVE ASPIRINA</title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/445095364</link>
         <description><![CDATA[<div>Upotreba aspirina može izazvati neželjene nuspojave kod astmatičara, bubrežnih bolesnika i bolesnika sa gastrointestinalnim problemima. Korištenje se ne preporuča u djece mlađe od 16 godina.<br>Česte nuspojave su <strong><mark>šum u ušima, loša probava, bol u probavnom sustavu, bol u trbuhu</mark></strong>, a rjeđe preosjetljivost na lijek, krvarenje u mozgu i lubanji, simptomi astme, curenje iz nosa, začepljenost nosa, upala, čir, osip, svrbež...</div>]]></description>
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         <pubDate>2020-02-13 16:17:17 UTC</pubDate>
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         <title></title>
         <author>ivaivic121</author>
         <link>https://padlet.com/ivaivic121/ycn5m0fimdxe/wish/445106442</link>
         <description><![CDATA[<div>Tablete aspirina</div>]]></description>
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         <pubDate>2020-02-13 16:31:01 UTC</pubDate>
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