Formation of nanometal particles in the dialdehyde starch matrix
Karen Khachatryan , Gohar Khachatryan , Maciej Fiedorowicz , Andrzej Para , Piotr Tomasik
AbstractEnvironmentally friendly method of the preparation of dialdehyde starch (DAS) based composites containing nanosilver (DAS/Ag) and nanogold (DAS/Au) as reducing and protecting agents was developed. UV-vis spectroscopy, transmission electron microscopy (TEM) and X-ray diffraction (XRD) confirmed formation of about 10nm ball shaped Ag and Au nanoparticles situated within the polysaccharide template. Thermal properties of the composites were characterized involving differential scanning calorimetry (DSC), whereas molecular weights of polysaccharide chains of the matrix were estimated with the size exclusion chromatography coupled with multiangle laser light scattering and refractometric detectors (HPSEC-MALLS-RI). Formation of nanosilver and nanogold containing composites led to induction of the polymerization and/or crosslinking reactions of DAS molecules, resulting in a significant rise of molecular weight of polysaccharide chains constituting DAS/Ag and DAS/Au composite templates.
|Journal series||Carbohydrate Polymers, ISSN 0144-8617, (A 40 pkt)|
|Publication size in sheets||0.5|
|Keywords in English||Biocomposites, Nanogold, Nanometals, Nanosilver|
|Score|| = 40.0, 17-06-2019, ArticleFromJournal|
= 40.0, 17-06-2019, ArticleFromJournal
|Publication indicators||= 13|
|Citation count*||9 (2016-03-26)|
|Finansowanie||NCBiR (Narodowe Centrum Badań i Rozwoju) - N R12 0015 06|
* presented citation count is obtained through Internet information analysis and it is close to the number calculated by the Publish or Perish system.