Topic
Fourier transform infrared spectroscopy
About: Fourier transform infrared spectroscopy is a research topic. Over the lifetime, 48250 publications have been published within this topic receiving 1134369 citations.
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TL;DR: In this paper, magnetic poly epsilon-caprolactone (PCL) nanoparticles were prepared in a well shaped spherical form by the o/w emulsion method.
205 citations
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TL;DR: It was found that when cellulose is dissolved in DMAc/LiCl cosolvent system, the hydroxyl protons of cellulose form strong hydrogen bonds with the Cl(-), during which the intermolecular hydrogen bonding networks of cellulOSE is broken with simultaneous splitting of the Li(+)-Cl(-) ion pairs.
Abstract: Understanding the interactions between solvent molecules and cellulose at a molecular level is still not fully achieved in cellulose/N,N-dimethylacetamide (DMAc)/LiCl system. In this paper, cellobiose was used as the model compound of cellulose to investigate the interactions in cellulose/DMAc/LiCl solution by using Fourier transform infrared spectroscopy (FTIR), 13C, 35Cl, and 7Li nuclear magnetic resonance (NMR) spectroscopy and conductivity measurements. It was found that when cellulose is dissolved in DMAc/LiCl cosolvent system, the hydroxyl protons of cellulose form strong hydrogen bonds with the Cl–, during which the intermolecular hydrogen bonding networks of cellulose is broken with simultaneous splitting of the Li+–Cl– ion pairs. Simultaneously, the Li+ cations are further solvated by free DMAc molecules, which accompany the hydrogen-bonded Cl– to meet electric balance. Thereafter, the cellulose chains are dispersed in molecular level in the solvent system to form homogeneous solution. This work ...
205 citations
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TL;DR: In this paper, a new and simple method to directly synthesize stable and crystalline pure phase CeO 2 nanoparticles has been developed using cationic surfactant (cetyltrimethylammonium bromide, CTAB) and cerium chloride (CeCl 3 ) at room temperature.
205 citations
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TL;DR: The adsorption isotherm was better explained by the Freundlich rather than by the Langmuir model, as the high correlation coefficients were obtained at a higher confidence level.
205 citations
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TL;DR: In this paper , a carbon paste electrode modified with ZIF-8/g-C3N4/Co nanocomposite and 1-methyl-3-butylimidazolium bromide as an ionic liquid was employed as a highly sensitive reproducible electrochemical sensor for the simultaneous determination of these common dyes.
204 citations