"V" . "Mikroelementy 2012" . "Ing. V\u00E1clav Hel\u00E1n - 2 THETA" . . "150130" . . . . . "2"^^ . "978-80-86380-63-6" . "RIV/70883521:28110/12:43869337!RIV13-MSM-28110___" . . "The work is focused on various iodine determination methods in biological materials. Generally, indirect methods are used in clinical praxis of biological materials. The most widely used is Sandell-Kolthoff method [1,2]. In the case of direct determination, more suitable are emissive spectrometry (ICP-OES), electrochemical methods, mass spectrometry (ICP-MS) and nuclear active analysis (NAA) [3,4]. ICP-MS and NAA are expensive, but iodine is determinate directly, regardless of its forms, oxidative state and isotope representation [5]."@en . "Valtice" . "Metody stanoven\u00ED j\u00F3du v biologick\u00FDch materi\u00E1lech"@cs . "Val\u00E1\u0161ek, Pavel" . "\u010Cesk\u00FD T\u011B\u0161\u00EDn" . . "2"^^ . . . . . . "28110" . "Metody stanoven\u00ED j\u00F3du v biologick\u00FDch materi\u00E1lech"@cs . . "Metody stanoven\u00ED j\u00F3du v biologick\u00FDch materi\u00E1lech" . "[F042C66B8465]" . "Tato pr\u00E1ce se zab\u00FDv\u00E1 r\u016Fzn\u00FDmi metodami stanoven\u00ED obsahu j\u00F3du v biologick\u00FDch vzorc\u00EDch. Nej\u010Dast\u011Bji se pou\u017E\u00EDvaj\u00ED nep\u0159\u00EDm\u00E9 metody stanoven\u00ED jodu, kter\u00E9 se pou\u017E\u00EDvaj\u00ED v klinick\u00E9 praxi pro posouzen\u00ED obsahu j\u00F3du v biologick\u00FDch materi\u00E1lech. Spektrofotometrick\u00E1 metoda stanoven\u00ED j\u00F3du podle Sandell-Kolthoffa [1,2] je jedna z neroz\u0161\u00ED\u0159en\u011Bj\u0161\u00EDch a pou\u017E\u00EDv\u00E1 se i v r\u016Fzn\u00FDch modifikac\u00EDch. Pokud jde o p\u0159\u00EDm\u00E9 stanoven\u00ED, jsou pova\u017Eov\u00E1ny za vhodn\u011Bj\u0161\u00ED metody emisn\u00ED spektrometrie s induk\u010Dn\u011B v\u00E1zan\u00FDm plazmatem (ICP-OES), r\u016Fzn\u00E9 varianty elektrochemick\u00FDch metod, hmotnostn\u00ED spektrometrie s induk\u010Dn\u011B v\u00E1zan\u00FDm plazmatem (ICP-MS) a jadern\u00E1 aktiva\u010Dn\u00ED anal\u00FDza (NAA) [3,4]. ICP-MS a NAA jsou n\u00E1kladn\u00E9, ale j\u00F3d je stanoven p\u0159\u00EDmo s dostate\u010Dnou citlivost\u00ED a bez ohledu na jeho formy, oxida\u010Dn\u00ED stav a zastoupen\u00ED izotop\u016F j\u00F3du [5]. Na rozd\u00EDl od elektrochemick\u00FDch metod a ICP-OES kde jsou stanoven\u00ED komplikovan\u00E1 v\u00FDznamn\u00FDmi spektr\u00E1ln\u00EDmi interferencemi a tak\u00E9 z\u00E1vislost\u00ED m\u011B\u0159en\u00E9ho sign\u00E1lu na r\u016Fzn\u00FDch form\u00E1ch a oxida\u010Dn\u00EDm stavu j\u00F3du ve vzorc\u00EDch [6]. Byly porovn\u00E1ny n\u00E1sleduj\u00EDc\u00ED t\u0159i nej\u010Dast\u011Bji pou\u017E\u00EDvan\u00E9 metody pro stanoven\u00ED obsahu j\u00F3du ve vybran\u00FDch biologick\u00FDch materi\u00E1lech. Spektrofotometrick\u00E9 stanoven\u00ED podle Sandell-Kolthoffa, ICP-OES a ICP-MS metody [7]. Vzorky biologick\u00FDch materi\u00E1l\u016F byly voleny jako r\u016Fzn\u00E9 druhy potravin a potravinov\u00FDch dopl\u0148k\u016F s obsahem j\u00F3du a takt\u00E9\u017E byly analyzov\u00E1ny vzorky mo\u010Di [8]. Pro verifikaci pou\u017Eit\u00FDch metod byl pou\u017Eit certifikovan\u00FD referen\u010Dn\u00ED materi\u00E1l NIST-SRM-1549 odst\u0159ed\u011Bn\u00E9 ml\u00E9ko s certifikovan\u00FDm obsahem j\u00F3du 3,38 + 0,6 mg/kg, kter\u00FD byl pou\u017Eit pro kontrolu spr\u00E1vnosti stanoven\u00ED celkov\u00E9ho j\u00F3du. Nejm\u00E9n\u011B spr\u00E1vn\u00E9 v\u00FDsledky jsme z\u00EDskali metodou ICP-OES, kde byly nam\u011B\u0159eny hodnoty pro uveden\u00FD CRM 5,64 + 0,39 mg/kg, lep\u0161\u00EDch v\u00FDsledk\u016F bylo dosa\u017Eeno spektrofotometrickou metodou a to 4,53 + 0,23 mg/kg a nejspr\u00E1vn\u011Bj\u0161\u00ED v\u00FDsledky byly z\u00EDsk\u00E1ny metodou ICP-MS 3,36 + 0,12 mg/kg j\u00F3du." . "Fi\u0161era, Miroslav" . "RIV/70883521:28110/12:43869337" . . "12"^^ . . "Metody stanoven\u00ED j\u00F3du v biologick\u00FDch materi\u00E1lech" . "Tato pr\u00E1ce se zab\u00FDv\u00E1 r\u016Fzn\u00FDmi metodami stanoven\u00ED obsahu j\u00F3du v biologick\u00FDch vzorc\u00EDch. Nej\u010Dast\u011Bji se pou\u017E\u00EDvaj\u00ED nep\u0159\u00EDm\u00E9 metody stanoven\u00ED jodu, kter\u00E9 se pou\u017E\u00EDvaj\u00ED v klinick\u00E9 praxi pro posouzen\u00ED obsahu j\u00F3du v biologick\u00FDch materi\u00E1lech. Spektrofotometrick\u00E1 metoda stanoven\u00ED j\u00F3du podle Sandell-Kolthoffa [1,2] je jedna z neroz\u0161\u00ED\u0159en\u011Bj\u0161\u00EDch a pou\u017E\u00EDv\u00E1 se i v r\u016Fzn\u00FDch modifikac\u00EDch. Pokud jde o p\u0159\u00EDm\u00E9 stanoven\u00ED, jsou pova\u017Eov\u00E1ny za vhodn\u011Bj\u0161\u00ED metody emisn\u00ED spektrometrie s induk\u010Dn\u011B v\u00E1zan\u00FDm plazmatem (ICP-OES), r\u016Fzn\u00E9 varianty elektrochemick\u00FDch metod, hmotnostn\u00ED spektrometrie s induk\u010Dn\u011B v\u00E1zan\u00FDm plazmatem (ICP-MS) a jadern\u00E1 aktiva\u010Dn\u00ED anal\u00FDza (NAA) [3,4]. ICP-MS a NAA jsou n\u00E1kladn\u00E9, ale j\u00F3d je stanoven p\u0159\u00EDmo s dostate\u010Dnou citlivost\u00ED a bez ohledu na jeho formy, oxida\u010Dn\u00ED stav a zastoupen\u00ED izotop\u016F j\u00F3du [5]. Na rozd\u00EDl od elektrochemick\u00FDch metod a ICP-OES kde jsou stanoven\u00ED komplikovan\u00E1 v\u00FDznamn\u00FDmi spektr\u00E1ln\u00EDmi interferencemi a tak\u00E9 z\u00E1vislost\u00ED m\u011B\u0159en\u00E9ho sign\u00E1lu na r\u016Fzn\u00FDch form\u00E1ch a oxida\u010Dn\u00EDm stavu j\u00F3du ve vzorc\u00EDch [6]. Byly porovn\u00E1ny n\u00E1sleduj\u00EDc\u00ED t\u0159i nej\u010Dast\u011Bji pou\u017E\u00EDvan\u00E9 metody pro stanoven\u00ED obsahu j\u00F3du ve vybran\u00FDch biologick\u00FDch materi\u00E1lech. Spektrofotometrick\u00E9 stanoven\u00ED podle Sandell-Kolthoffa, ICP-OES a ICP-MS metody [7]. Vzorky biologick\u00FDch materi\u00E1l\u016F byly voleny jako r\u016Fzn\u00E9 druhy potravin a potravinov\u00FDch dopl\u0148k\u016F s obsahem j\u00F3du a takt\u00E9\u017E byly analyzov\u00E1ny vzorky mo\u010Di [8]. Pro verifikaci pou\u017Eit\u00FDch metod byl pou\u017Eit certifikovan\u00FD referen\u010Dn\u00ED materi\u00E1l NIST-SRM-1549 odst\u0159ed\u011Bn\u00E9 ml\u00E9ko s certifikovan\u00FDm obsahem j\u00F3du 3,38 + 0,6 mg/kg, kter\u00FD byl pou\u017Eit pro kontrolu spr\u00E1vnosti stanoven\u00ED celkov\u00E9ho j\u00F3du. Nejm\u00E9n\u011B spr\u00E1vn\u00E9 v\u00FDsledky jsme z\u00EDskali metodou ICP-OES, kde byly nam\u011B\u0159eny hodnoty pro uveden\u00FD CRM 5,64 + 0,39 mg/kg, lep\u0161\u00EDch v\u00FDsledk\u016F bylo dosa\u017Eeno spektrofotometrickou metodou a to 4,53 + 0,23 mg/kg a nejspr\u00E1vn\u011Bj\u0161\u00ED v\u00FDsledky byly z\u00EDsk\u00E1ny metodou ICP-MS 3,36 + 0,12 mg/kg j\u00F3du."@cs . . . . "Iodine determination methods in biological materials"@en . "2012-05-14+02:00"^^ . . "iodine, biological samples, Sandell-Kolthoff, ICP-OES, ICP-MS"@en . "Iodine determination methods in biological materials"@en .