Deep eutectic solvents: A review of fundamentals and applications

BB Hansen, S Spittle, B Chen, D Poe, Y Zhang… - Chemical …, 2020 - ACS Publications
Deep eutectic solvents (DESs) are an emerging class of mixtures characterized by
significant depressions in melting points compared to those of the neat constituent …

Current research trends in dielectric relaxation studies of amorphous pharmaceuticals: Physical stability, tautomerism, and the role of hydrogen bonding

J Knapik-Kowalczuk, M Rams-Baron… - TrAC Trends in Analytical …, 2021 - Elsevier
Alarming statistics showing the continuous increase in the number of drugs and drug
candidates with insufficient water-solubility focus scientist's efforts on finding optimal strategy …

Slow rheological mode in glycerol and glycerol–water mixtures

MH Jensen, C Gainaru, C Alba-Simionesco… - Physical Chemistry …, 2018 - pubs.rsc.org
Glycerol–water mixtures were studied at molar concentrations ranging from xgly= 1 (neat
glycerol) to xgly= 0.3 using shear mechanical spectroscopy. We observed a low frequency …

Impact of hydrogen bonding on dynamics of hydroxyl-terminated polydimethylsiloxane

K **ng, S Chatterjee, T Saito, C Gainaru… - …, 2016 - ACS Publications
Dielectric spectroscopy, rheology, and differential scanning calorimetry were employed to
study the effect of chain-end hydrogen bonding on the dynamics of hydroxyl-terminated …

Effect of polymer chain length on the physical stability of amorphous drug–polymer blends at ambient pressure

J Pacułt, M Rams-Baron, B Chrząszcz… - Molecular …, 2018 - ACS Publications
Rational selection of polymers for amorphous drug stabilization is necessary for further
successful development of solid dispersion technology. In this paper, we investigate the …

Molecular mobility of amorphous N-acetyl-α-methylbenzylamine and Debye relaxation evidenced by dielectric relaxation spectroscopy and molecular dynamics …

B Atawa, NT Correia, N Couvrat, F Affouard… - Physical Chemistry …, 2019 - pubs.rsc.org
The present work focusses on the molecular mobility characterization of amorphous N-acetyl-
α-methylbenzylamine (Nac-MBA) by Broadband Dielectric Relaxation Spectroscopy (DRS) …

Changes in physical stability of supercooled etoricoxib after compression

M Rams-Baron, J Pacułt, A Jedrzejowska… - Molecular …, 2018 - ACS Publications
In the case of formulations with amorphous active pharmaceutical ingredients the risk of
pressure-induced recrystallization should be carefully considered. We reported here that …

[HTML][HTML] Study of thermal properties, molecular dynamics, and physical stability of etoricoxib mixtures with octaacetylmaltose near the glass transition

K Grzybowska, M Rams-Baron, K Łucak… - International Journal of …, 2022 - mdpi.com
In this paper, we thoroughly investigated the physical stability of the anti-inflammatory drug
etoricoxib, which has been reported earlier to be resistant to recrystallization in its glassy …

Dynamics in supercooled secondary amide mixtures: dielectric and hydrogen bond specific spectroscopies

C Gainaru, S Bauer, E Vynokur… - The Journal of …, 2015 - ACS Publications
Alkylacetamide-based model peptides display an intense Debye-type dielectric relaxation.
In order to explore the extent to which this feature has to be regarded analogous to that in …

Studies on the internal medium-range ordering and high pressure dynamics in modified ibuprofens

A Minecka, E Kamińska, K Jurkiewicz… - Physical Chemistry …, 2020 - pubs.rsc.org
Broadband dielectric spectroscopy (BDS), combined with the X-ray diffraction (XRD) and
Fourier transform infrared (FTIR) techniques, was used to study the dynamics of the primary …