Femtosecond proton transfer in urea solutions probed by X-ray spectroscopy

Z Yin, YP Chang, T Balčiūnas, Y Shakya, A Djorović… - Nature, 2023 - nature.com
Proton transfer is one of the most fundamental events in aqueous-phase chemistry and an
emblematic case of coupled ultrafast electronic and structural dynamics,. Disentangling …

Elucidating the role of hydrogen bonds for improved mechanical properties in a high-performance semiconducting polymer

LA Galuska, MU Ocheje, ZC Ahmad… - Chemistry of …, 2022 - ACS Publications
Incorporation of hydrogen bond moieties into the backbone or side chain of conjugated
polymers is an effective strategy to enhance mechanical performance, facilitate …

Vibrational analysis of urea

R Keuleers, HO Desseyn, B Rousseau… - The Journal of …, 1999 - ACS Publications
Although a lot of work has been done on the vibrational analysis of urea, there still remain
some contradictions and uncertainties, mainly due to interpretation of the vibrational …

Investigation of hydrogen bonded structure of urea-water mixtures through Infra-red spectroscopy and non-covalent interaction (NCI) theoretical approach

F Hammami, N Issaoui, S Nasr - Computational and Theoretical Chemistry, 2021 - Elsevier
In the current work, an experimental and theoretical study is performed on the urea-water
mixtures by using non-covalent interactions (NCI) and reduced density gradient (RDG) …

Effect of urea on the structural dynamics of water

YLA Rezus, HJ Bakker - Proceedings of the National …, 2006 - National Acad Sciences
We use polarization-resolved mid-infrared pump-probe spectroscopy to study the effect of
urea on the structure and dynamics of water. Surprisingly, we find that, even at high …

Superprotonic conductivity in metal–organic framework via solvent-free coordinative urea insertion

MK Sarango-Ramírez, DW Lim… - Journal of the …, 2020 - ACS Publications
Highly stable superprotonic conductivity (> 10–2 S cm–1) has been achieved through the
unprecedented solvent-free-coordinative urea insertion in MOF-74 [M2 (dobdc), M= Ni2+ …

Zinc-and magnesium-doped hydroxyapatite nanoparticles modified with urea as smart nitrogen fertilizers

B Sharma, M Shrivastava, LOB Afonso… - ACS Applied Nano …, 2022 - ACS Publications
Excess urea fertilizer application to the agricultural fields causes severe environmental
deterioration. Researchers actively seek safer alternatives, such as nanoparticles with …

Urea and urea–water solutions—an infrared study

J Grdadolnik, Y Maréchal - Journal of Molecular Structure, 2002 - Elsevier
Infrared studies of urea both in crystal and in water solution are presented. On the basis of
temperature and concentration measurements of urea–water solutions, as well as from the …

Detailed modeling of the evaporation and thermal decomposition of urea‐water solution in SCR systems

V Ebrahimian, A Nicolle, C Habchi - AIChE Journal, 2012 - Wiley Online Library
This work is aimed to develop a multicomponent evaporation model for droplets of urea‐
water solution (UWS) and a thermal decomposition model of urea for automotive exhausts …

Bacteria-induced internal carbonation of reactive magnesia cement

X Xiao, LX Goh, C Unluer, EH Yang - Construction and Building Materials, 2021 - Elsevier
With lower calcination temperature, reactive magnesia cement (RMC) can be a potential
alternative to the Portland cement. However, RMC concrete requires accelerated …