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2014 | 12 | 5 | 568-576
Tytuł artykułu

TOF-SIMS surface analysis of L-Tryptophan self assembled monolayer

Treść / Zawartość
Warianty tytułu
Języki publikacji
EN
Abstrakty
EN
This paper dealt with the preparation and characterization of self - assembled monolayersSAM-s of 1-hexadecanethiole and mercapto acetic acid on the silver nanostructure and subsequently the immobilization with amino acid L-Tryptophane. In order to achieve it, we used the electrodeposition of silver onto nanostructured surface of paraffin impregnated graphite electrode (PIGE). Subsequently, we assembled SAM by choosing the 1-hexadecanethiole and mercaptoacetic acid. These two kinds of SAM underwent the functionalization by L-Tryptophan. The observations of silver on PIGE surfaces were performed by scanning electron microscope (SEM). For surface analysis of the SAM functionalized by L-tryphophan, the TOF-SIMS technique was chosen. Finally, the fragmented ions of the immobilized-L-Tryptophan SAM were determined on the basis of suggested residues and three-dimensional structure. The residues show that the ability of L-Tryptophan to build homogeneous structure is better by mercaptoacetic acid SAM structure than by 1-hexadecanethiol. It was observed that L-Tryptophan built compact surface, which, due its chemical properties, can represent very interesting side regarding biocompatibility, homochirality and robustness in the area of life science.
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Wydawca

Czasopismo
Rocznik
Tom
12
Numer
5
Strony
568-576
Opis fizyczny
Daty
wydano
2014-05-01
online
2014-02-21
Twórcy
autor
  • University of Pavol Jozef Safarik, Trieda SNP1
  • University of Pavol Jozer Safarik
  • University of Pavol Jozer Safarik
autor
Bibliografia
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Typ dokumentu
Bibliografia
Identyfikatory
Identyfikator YADDA
bwmeta1.element.-psjd-doi-10_2478_s11532-014-0515-5
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