{"id":49884,"date":"2023-12-14T09:15:32","date_gmt":"2023-12-14T12:15:32","guid":{"rendered":"https:\/\/mindthegraph.com\/blog\/phd-interview-questions-copy\/"},"modified":"2023-12-15T09:41:03","modified_gmt":"2023-12-15T12:41:03","slug":"types-of-nanomaterials","status":"publish","type":"post","link":"https:\/\/mindthegraph.com\/blog\/lt\/nanomedziagu-tipai\/","title":{"rendered":"Nanomed\u017eiag\u0173 tipai: I\u0161sami ap\u017evalga"},"content":{"rendered":"

Nanomed\u017eiagos yra nauja mokslo ir technologij\u0173 sritis, o j\u0173 nepaprastos savyb\u0117s \u017eada naujovi\u0173 daugelyje sri\u010di\u0173. Gilindamiesi \u012f \u012fvairias nanomed\u017eiag\u0173 r\u016b\u0161is, j\u0173 optines ir chemines savybes bei s\u0105veik\u0105 su biologin\u0117mis sistemomis, tyr\u0117jai ir mokslininkai atveria keli\u0105 novatori\u0161kiems pasiekimams. Kadangi pasaulyje nanotechnologijos<\/a> ir toliau ple\u010diasi, \u0161ie nano stebuklai neabejotinai nulems m\u016bs\u0173 ateit\u012f, pakeisdami pramon\u0117s \u0161akas ir ne\u012fsivaizduojamais b\u016bdais pagerindami gyvenim\u0105. Taigi, pasinerkime \u012f nanomed\u017eiag\u0173 srit\u012f ir atskleiskime j\u0173 potencial\u0105, kad mums visiems b\u016bt\u0173 geriau.<\/p>\n\n\n\n

Taip pat skaitykite: Nuo nanomokslo iki nanotechnologij\u0173: Poveikis ir skirtumai<\/strong><\/a><\/p>\n\n\n\n

Nanomed\u017eiagos: Apibr\u0117\u017eimas ir istorija<\/strong><\/h2>\n\n\n\n

Nanomed\u017eiagos<\/a>kaip rodo pavadinimas, tai med\u017eiagos, kuri\u0173 bent vienas matmuo yra nano dyd\u017eio (1-100 nanometr\u0173). \u0160io mastelio med\u017eiagos pasi\u017eymi savitomis savyb\u0117mis, palyginti su j\u0173 t\u016brin\u0117mis analogi\u0161komis med\u017eiagomis, d\u0117l kvantini\u0173 ir pavir\u0161iaus efekt\u0173. <\/p>\n\n\n\n

Nanomed\u017eiag\u0173 tipai<\/strong><\/h2>\n\n\n\n

S\u0105voka \"nanomed\u017eiagos\" i\u0161populiar\u0117jo devintajame de\u0161imtmetyje, kai mokslininkai prad\u0117jo tyrin\u0117ti \u0161ias nanomed\u017eiagas.<\/p>\n\n\n\n

    \n
  1. Anglies pagrindo nanomed\u017eiagos - <\/strong>Anglies pagrindo nanomed\u017eiagos yra vienos i\u0161 pla\u010diausiai i\u0161tirt\u0173 ir pla\u010diai naudojam\u0173 nanotechnologijose. Grafenas - vienas anglies atom\u0173 sluoksnis, i\u0161d\u0117stytas 2D gardel\u0117je, pasi\u017eymi ypatingu mechaniniu tvirtumu, elektriniu laidumu ir \u0161ilumos laidumu. Anglies nanovamzdeliai (CNT) - cilindrin\u0117s nanostrukt\u016bros, pagamintos i\u0161 susukt\u0173 grafeno lak\u0161t\u0173, pasi\u017eymi ypatingu atsparumu tempimui ir yra vertingos \u012fvairiose srityse, \u012fskaitant elektronik\u0105 ir aviacij\u0105.<\/li>\n\n\n\n
  2. Metalo pagrindo nanomed\u017eiagos <\/strong>– <\/strong>Metal\u0173 pagrindo nanomed\u017eiagos apima \u012fvairias nanodaleles, pavyzd\u017eiui, aukso, sidabro, gele\u017eies oksido ir kitas. \u0160ios med\u017eiagos pasi\u017eymi intriguojan\u010diomis optin\u0117mis, elektronin\u0117mis ir katalizin\u0117mis savyb\u0117mis. Pavyzd\u017eiui, aukso nanodalel\u0117s pasi\u017eymi unikaliu pavir\u0161iaus plazmon\u0173 rezonansu, tod\u0117l yra vertingos jutimo ir medicinos srityse. Sidabro nanodalel\u0117s, pasi\u017eymin\u010dios antimikrobin\u0117mis savyb\u0117mis, naudojamos sveikatos prie\u017ei\u016bros produktuose.<\/li>\n\n\n\n
  3. Puslaidininkin\u0117s nanomed\u017eiagos <\/strong>- Puslaidininkin\u0117s nanomed\u017eiagos u\u017epildo tarp\u0105 tarp laidinink\u0173 ir izoliatori\u0173 ir pasi\u017eymi vertingomis elektronin\u0117mis savyb\u0117mis. Kvantiniai ta\u0161kai - ma\u017ei puslaidininkiniai kristalai, pasi\u017eymintys i\u0161skirtin\u0117mis \u0161viesos spinduliavimo savyb\u0117mis - naudojami ekranuose, vaizdo gavimo ir net v\u0117\u017eio gydymo srityse. Kitos puslaidininkin\u0117s nanomed\u017eiagos, pavyzd\u017eiui, nanovamzdeliai ir nanolaidai, tiriamos d\u0117l galimo pritaikymo elektronikoje ir saul\u0117s elementuose.<\/li>\n\n\n\n
  4. Keramin\u0117s nanomed\u017eiagos<\/strong> - Keramin\u0117s nanomed\u017eiagos pasi\u017eymi unikaliomis mechanin\u0117mis, \u0161ilumin\u0117mis ir elektrin\u0117mis savyb\u0117mis. Pavyzd\u017eiui, titano nanodalel\u0117s pasi\u017eymi fotokatalitin\u0117mis savyb\u0117mis ir yra naudojamos savaime i\u0161sivalan\u010diuose pavir\u0161iuose ir oro valymo sistemose. Be to, keramikos nanokompozitai garantuoja didelio atsparumo med\u017eiagas, naudojamas aviacijos ir automobili\u0173 pramon\u0117je.<\/li>\n\n\n\n
  5. Polimer\u0173 pagrindu pagamintos nanomed\u017eiagos <\/strong>- Polimer\u0173 pagrindu pagamintos nanomed\u017eiagos pasi\u017eymi geresn\u0117mis mechanin\u0117mis savyb\u0117mis, didesniu pavir\u0161iaus plotu ir geresniu biologiniu suderinamumu. Nanodalel\u0117s, sudarytos i\u0161 polimer\u0173, pavyzd\u017eiui, polilaktato r\u016bg\u0161ties (PLA) ir polietilenglikolio (PEG), naudojamos vaist\u0173 tiekimo sistemose, audini\u0173 in\u017einerijoje ir nanomedicinoje.<\/li>\n<\/ol>\n\n\n\n

    Nanomed\u017eiag\u0173 optin\u0117s savyb\u0117s<\/strong><\/h2>\n\n\n\n

    Optin\u0117s nanomed\u017eiag\u0173 savyb\u0117s kelia didel\u012f susidom\u0117jim\u0105 nanotechnologij\u0173 srityje, nes jos svarbios \u012fvairiose srityse, \u012fskaitant fotonik\u0105, vaizdavim\u0105 ir jutiklius.<\/p>\n\n\n\n

    Nanomed\u017eiag\u0173 l\u016b\u017eio rodiklis ir Abbe'o skai\u010dius<\/strong><\/h3>\n\n\n\n

    L\u016b\u017eio rodiklis parodo, kaip stipriai \u0161viesa sulinksta, kai praeina pro med\u017eiag\u0105, o Abbe'o skai\u010dius apib\u016bdina \u0161viesos sklaid\u0105 med\u017eiagoje. Nanomed\u017eiagose \u0161ios savyb\u0117s padeda pasiekti pageidaujam\u0173 optini\u0173 efekt\u0173, tod\u0117l jas galima pritaikyti l\u0119\u0161iuose ir optiniuose prietaisuose.<\/p>\n\n\n\n

    Optin\u0117s juostos tarpas ir spalv\u0173 derinimas<\/strong><\/h3>\n\n\n\n

    Puslaidininkin\u0117s nanomed\u017eiagos pasi\u017eymi optiniu juostos tarpu, t. y. energijos diapazonu, kuriame jos sugeria arba i\u0161spinduliuoja \u0161vies\u0105. Keisdami nanomed\u017eiag\u0173 dyd\u012f ir sud\u0117t\u012f, tyr\u0117jai gali reguliuoti juostos tarp\u0105 ir taip pritaikyti spalv\u0173 derinim\u0105 ekranuose ir vaizdo technologijose.<\/p>\n\n\n\n

    Pavir\u0161iaus plazmon\u0173 rezonansas (SPR) nanomed\u017eiagose<\/strong><\/h3>\n\n\n\n

    Pavir\u0161iaus plazmon\u0173 rezonansas (SPR) - tai rei\u0161kinys, stebimas metalo nanodalel\u0117se, kai d\u0117l kolektyvini\u0173 laidumo elektron\u0173 svyravim\u0173 sustipr\u0117ja \u0161viesos ir med\u017eiagos s\u0105veika. SPR taikomas jutikliams, vaizdams gauti ir medicininei diagnostikai.<\/p>\n\n\n\n

    Metalo pagrindo nanodaleli\u0173 fotoluminescencija<\/strong><\/h3>\n\n\n\n

    Kai kurios metalo pagrindo nanomed\u017eiagos pasi\u017eymi fotoluminescencija - su\u017eadintos foton\u0173 jos skleid\u017eia \u0161vies\u0105. \u0160i savyb\u0117 naudojama optoelektroniniuose prietaisuose ir biologiniame vaizdavime.<\/p>\n\n\n\n

    Nanomed\u017eiag\u0173 chemin\u0117s savyb\u0117s<\/strong><\/h2>\n\n\n\n

    Be optini\u0173 savybi\u0173, nanomed\u017eiagos pasi\u017eymi intriguojan\u010diomis chemin\u0117mis savyb\u0117mis, kurios daro didel\u0119 \u012ftak\u0105 j\u0173 taikymui ir s\u0105veikai su biologin\u0117mis sistemomis.<\/p>\n\n\n\n

      \n
    1. Nanomed\u017eiag\u0173 stabilumas ir reaktyvumas<\/strong><\/li>\n<\/ol>\n\n\n\n

      Nanomed\u017eiag\u0173 stabilumas ir reaktyvumas gali skirtis priklausomai nuo j\u0173 sud\u0117ties ir pavir\u0161iaus savybi\u0173. \u0160i\u0173 aspekt\u0173 supratimas yra labai svarbus siekiant u\u017etikrinti patikim\u0105 j\u0173 veikim\u0105 tokiose srityse kaip kataliz\u0117 ir vaist\u0173 tiekimas.<\/p>\n\n\n\n

        \n
      1. S\u0105veika su biologin\u0117mis sistemomis - Biologinis suderinamumas ir toksikologija<\/strong><\/li>\n<\/ol>\n\n\n\n

        Kai nanomed\u017eiagos patenka \u012f gyv\u0173 organizm\u0173 akirat\u012f, j\u0173 biologinis suderinamumas ir toksi\u0161kumas tampa itin svarbiais klausimais. Mokslininkai tiria nanomed\u017eiag\u0173 poveik\u012f l\u0105stel\u0117ms, audiniams ir organams, kad gal\u0117t\u0173 kurti saugias biomedicinos priemones.<\/p>\n\n\n\n

          \n
        1. Adsorbcija, \u012fsisavinimas ir perne\u0161imas gyvuosiuose organizmuose<\/strong><\/li>\n<\/ol>\n\n\n\n

          Ma\u017eas nanomed\u017eiag\u0173 dydis ir unikalios pavir\u0161iaus savyb\u0117s daro \u012ftak\u0105 j\u0173 s\u0105veikai su gyvaisiais organizmais, veikia j\u0173 \u012fsisavinim\u0105, pasiskirstym\u0105 ir \u0161alinim\u0105 biologin\u0117se sistemose.<\/p>\n\n\n\n

            \n
          1. Pavir\u0161iaus cheminis modifikavimas funkcionalizavimo metodais<\/strong><\/li>\n<\/ol>\n\n\n\n

            Funkcionalizavimas leid\u017eia mokslininkams keisti nanomed\u017eiag\u0173 pavir\u0161iaus chemin\u0119 sud\u0117t\u012f ir pritaikyti j\u0173 savybes konkre\u010dioms reikm\u0117ms, pavyzd\u017eiui, tiksliniam vaist\u0173 pristatymui ir geresnei l\u0105steli\u0173 s\u0105veikai.<\/p>\n\n\n\n

            Birios med\u017eiagos savyb\u0117s<\/strong><\/h2>\n\n\n\n

            Nors nanomed\u017eiagos pasi\u017eymi \u012fdomiomis savyb\u0117mis nanomastelyje, j\u0173 t\u016brin\u0117s analogi\u0161kos med\u017eiagos taip pat turi esmini\u0173 savybi\u0173, kurios lemia j\u0173 bendr\u0105 veikim\u0105.<\/p>\n\n\n\n

            Daleli\u0173 dyd\u017eio pasiskirstymas (PSD) ir morfologija<\/strong><\/h3>\n\n\n\n

            Suprasti nanomed\u017eiag\u0173 daleli\u0173 dyd\u017eio pasiskirstym\u0105 ir morfologij\u0105 yra labai svarbu kokyb\u0117s kontrolei ir j\u0173 savybi\u0173 optimizavimui \u012fvairioms reikm\u0117ms.<\/p>\n\n\n\n

            Didel\u012f poveik\u012f ir didesn\u012f j\u016bs\u0173 darbo matomum\u0105<\/strong><\/h2>\n\n\n\n

            Mind the Graph<\/a> mokslininkams, studentams ir tyr\u0117jams suteikiama galimyb\u0117 kurti profesionalias ir vizualiai patrauklias vizualizacijas, pvz., mokslines iliustracijas, grafikus, diagramas ir infografik\u0105. \u0160ie vizualiniai vaizdai pagerina mokslini\u0173 tyrim\u0173 rezultat\u0173 pateikim\u0105, tod\u0117l sud\u0117tingi duomenys tampa prieinamesni tiek mokslinink\u0173, tiek nemokslinink\u0173 auditorijai.<\/p>\n\n\n\n

            Naudodami interaktyvius ir vizualiai patrauklius elementus, jie gali kurti \u012ftikinamus pristatymus, kurie konferencijose, simpoziumuose ar internetiniuose seminaruose prikausto auditorijos d\u0117mes\u012f, padeda geriau i\u0161saugoti \u017einias ir veiksmingai prane\u0161ti apie mokslini\u0173 tyrim\u0173 rezultatus. U\u017esiregistruokite nemokamai!<\/p>\n\n\n\n

            <\/div>\n\n\n
            \n
            \"iliustracijos-baneriai\"<\/a><\/figure><\/div>\n\n\n
            <\/div>\n\n\n\n
            \n
            Prad\u0117kite kurti su Mind the Graph<\/a><\/div>\n<\/div>\n\n\n\n
            <\/div>","protected":false},"excerpt":{"rendered":"

            Atraskite \u012fvairialyp\u012f nanomed\u017eiag\u0173 r\u016b\u0161i\u0173 pasaul\u012f! Tyrin\u0117kite j\u0173 savybes ir s\u0105veik\u0105, atskleisdami j\u0173 nepaprastas galimybes.<\/p>","protected":false},"author":38,"featured_media":49888,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":[],"categories":[959,28],"tags":[],"yoast_head":"\nTypes Of Nanomaterials: A Comprehensive Overview<\/title>\n<meta name=\"description\" content=\"Discover the diverse world of types of nanomaterials! Explore the properties and interactions, shedding light on their remarkable potential.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/mindthegraph.com\/blog\/lt\/nanomedziagu-tipai\/\" \/>\n<meta property=\"og:locale\" content=\"lt_LT\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Types Of Nanomaterials: A Comprehensive Overview\" \/>\n<meta property=\"og:description\" content=\"Discover the diverse world of types of nanomaterials! Explore the properties and interactions, shedding light on their remarkable potential.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/mindthegraph.com\/blog\/lt\/nanomedziagu-tipai\/\" \/>\n<meta property=\"og:site_name\" content=\"Mind the Graph Blog\" \/>\n<meta property=\"article:published_time\" content=\"2023-12-14T12:15:32+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2023-12-15T12:41:03+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/12\/types-of-nanomaterials-blog.jpg\" \/>\n\t<meta property=\"og:image:width\" content=\"1123\" \/>\n\t<meta property=\"og:image:height\" content=\"612\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/jpeg\" \/>\n<meta name=\"author\" content=\"Gilberto de Abreu\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:title\" content=\"Types Of Nanomaterials: A Comprehensive Overview\" \/>\n<meta name=\"twitter:description\" content=\"Discover the diverse world of types of nanomaterials! Explore the properties and interactions, shedding light on their remarkable potential.\" \/>\n<meta name=\"twitter:image\" content=\"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/12\/types-of-nanomaterials-blog.jpg\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"Gilberto de Abreu\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"5 minutes\" \/>\n<!-- \/ Yoast SEO plugin. -->","yoast_head_json":{"title":"Types Of Nanomaterials: A Comprehensive Overview","description":"Discover the diverse world of types of nanomaterials! Explore the properties and interactions, shedding light on their remarkable potential.","robots":{"index":"index","follow":"follow","max-snippet":"max-snippet:-1","max-image-preview":"max-image-preview:large","max-video-preview":"max-video-preview:-1"},"canonical":"https:\/\/mindthegraph.com\/blog\/lt\/nanomedziagu-tipai\/","og_locale":"lt_LT","og_type":"article","og_title":"Types Of Nanomaterials: A Comprehensive Overview","og_description":"Discover the diverse world of types of nanomaterials! Explore the properties and interactions, shedding light on their remarkable potential.","og_url":"https:\/\/mindthegraph.com\/blog\/lt\/nanomedziagu-tipai\/","og_site_name":"Mind the Graph Blog","article_published_time":"2023-12-14T12:15:32+00:00","article_modified_time":"2023-12-15T12:41:03+00:00","og_image":[{"width":1123,"height":612,"url":"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/12\/types-of-nanomaterials-blog.jpg","type":"image\/jpeg"}],"author":"Gilberto de Abreu","twitter_card":"summary_large_image","twitter_title":"Types Of Nanomaterials: A Comprehensive Overview","twitter_description":"Discover the diverse world of types of nanomaterials! Explore the properties and interactions, shedding light on their remarkable potential.","twitter_image":"https:\/\/mindthegraph.com\/blog\/wp-content\/uploads\/2023\/12\/types-of-nanomaterials-blog.jpg","twitter_misc":{"Written by":"Gilberto de Abreu","Est. reading time":"5 minutes"},"schema":{"@context":"https:\/\/schema.org","@graph":[{"@type":"WebPage","@id":"https:\/\/mindthegraph.com\/blog\/types-of-nanomaterials\/","url":"https:\/\/mindthegraph.com\/blog\/types-of-nanomaterials\/","name":"Types Of Nanomaterials: A Comprehensive Overview","isPartOf":{"@id":"https:\/\/mindthegraph.com\/blog\/#website"},"datePublished":"2023-12-14T12:15:32+00:00","dateModified":"2023-12-15T12:41:03+00:00","author":{"@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/b28781b05825270dad9cba59503a9321"},"description":"Discover the diverse world of types of nanomaterials! Explore the properties and interactions, shedding light on their remarkable potential.","breadcrumb":{"@id":"https:\/\/mindthegraph.com\/blog\/types-of-nanomaterials\/#breadcrumb"},"inLanguage":"lt-LT","potentialAction":[{"@type":"ReadAction","target":["https:\/\/mindthegraph.com\/blog\/types-of-nanomaterials\/"]}]},{"@type":"BreadcrumbList","@id":"https:\/\/mindthegraph.com\/blog\/types-of-nanomaterials\/#breadcrumb","itemListElement":[{"@type":"ListItem","position":1,"name":"Home","item":"https:\/\/mindthegraph.com\/blog\/"},{"@type":"ListItem","position":2,"name":"Types Of Nanomaterials: A Comprehensive Overview"}]},{"@type":"WebSite","@id":"https:\/\/mindthegraph.com\/blog\/#website","url":"https:\/\/mindthegraph.com\/blog\/","name":"Mind the Graph Blog","description":"Your science can be beautiful!","potentialAction":[{"@type":"SearchAction","target":{"@type":"EntryPoint","urlTemplate":"https:\/\/mindthegraph.com\/blog\/?s={search_term_string}"},"query-input":"required name=search_term_string"}],"inLanguage":"lt-LT"},{"@type":"Person","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/b28781b05825270dad9cba59503a9321","name":"Gilberto de Abreu","image":{"@type":"ImageObject","inLanguage":"lt-LT","@id":"https:\/\/mindthegraph.com\/blog\/#\/schema\/person\/image\/","url":"https:\/\/secure.gravatar.com\/avatar\/cc861028818e8a4fffa388f920fbdae9?s=96&d=mm&r=g","contentUrl":"https:\/\/secure.gravatar.com\/avatar\/cc861028818e8a4fffa388f920fbdae9?s=96&d=mm&r=g","caption":"Gilberto de Abreu"},"url":"https:\/\/mindthegraph.com\/blog\/lt\/author\/giba\/"}]}},"_links":{"self":[{"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/posts\/49884"}],"collection":[{"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/users\/38"}],"replies":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/comments?post=49884"}],"version-history":[{"count":5,"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/posts\/49884\/revisions"}],"predecessor-version":[{"id":49898,"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/posts\/49884\/revisions\/49898"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/media\/49888"}],"wp:attachment":[{"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/media?parent=49884"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/categories?post=49884"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/mindthegraph.com\/blog\/lt\/wp-json\/wp\/v2\/tags?post=49884"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}