Investigation of the hydrophobic and hydrophilic interactions in polymer - water systems by ATR FTIR and Raman spectroscopy

0044032 - ÚMCH 2007 RIV NL eng J - Journal Article
Schmidt, Pavel - Dybal, Jiří - Trchová, Miroslava
Investigation of the hydrophobic and hydrophilic interactions in polymer - water systems by ATR FTIR and Raman spectroscopy.
[Výzkum hydrofobních a hydrofilních interakcí v systémech polymer – voda pomocí ATR FTIR a Ramanovy spektroskopie.]
Vibrational Spectroscopy. Roč. 42, č. 2 (2006), s. 278-283. ISSN 0924-2031. E-ISSN 1873-3697.
[International Conference on Advanced Vibrational Spectroscopy /3./. Delavan, 14.08.2005-19.08.2005]
R&D Projects: GA ČR GA203/05/0425; GA AV ČR IAA4050208
Institutional research plan: CEZ:AV0Z40500505
Keywords : infrared and Raman spectra * polymers with amide groups * amide model compounds
Subject RIV: CD - Macromolecular Chemistry
Impact factor: 1.880, year: 2006

ATR FTIR and Raman spectra of polymers containing amide groups in the main chain and in the side chain and of the amide low-molecular-weight model compounds in water media were measured. The hydrophobic and hydrophilic interactions of the dissolved compounds with the neighboring water molecules are reflected in the wavenumbers of the CH3 stretching and of the Amide I and II vibrations. The possibility of the existence of .beta.-sheet-like structures in polypeptides surrounded by water molecules is also discussed.

Byla měřena ATR FTIR a Ramanova spektra polymerů obsahujících amidové skupiny v hlavních nebo vedlejších řetězcích a spektra nízkomolekulárních modelů ve vodném prostředí. Hydrofobní a hydrofilní interakce rozpuštěných sloučenin se sousedními molekulami vody se odrážejí ve vlnočtech vibrací CH3 stretching a vibrací Amide I a II. Je také diskutována možnost existence struktur podobných typu .beta.-sheet pro polypeptidy obklopené molekulami vody.
Permanent Link: http://hdl.handle.net/11104/0136906