Continuum vs. atomistic approaches to computational spectroscopy of solvated systems

T Giovannini, C Cappelli - Chemical Communications, 2023 - pubs.rsc.org
Molecular spectral signals can be significantly altered by solvent effects. Among the many
theoretical approaches to this problem, continuum and atomistic solvation models have …

Multiple facets of modeling electronic absorption spectra of systems in solution

S Gómez, T Giovannini, C Cappelli - ACS Physical Chemistry Au, 2022 - ACS Publications
In this Perspective, we outline the essential physicochemical aspects that need to be
considered when building a reliable approach to describe absorption properties of solvated …

Ring Vibrations to Sense Anionic Ibuprofen in Aqueous Solution as Revealed by Resonance Raman

S Gómez, N Rojas-Valencia, T Giovannini, A Restrepo… - Molecules, 2022 - mdpi.com
We unravel the potentialities of resonance Raman spectroscopy to detect ibuprofen in
diluted aqueous solutions. In particular, we exploit a fully polarizable quantum …

Synthesis, characterization, and application of starch-based adhesives modified with itaconic acid and N-hydroxyethyl acrylamide

J **, L Cheng, C Chen, Z Li, Y Hong, C Li… - Industrial Crops and …, 2023 - Elsevier
A renewable, biodegradable, formaldehyde-free starch-based adhesive was prepared by
grafting itaconic acid (IA) and N-hydroxyethyl acrylamide (HEAA) onto corn starch. The …

Effect of different initiators on the properties of diacetone acrylamide grafted starch-based adhesive

D Wu, L Cheng, P Ma, Y Hong, Z Li, C Li, X Ban… - International Journal of …, 2024 - Elsevier
Environmentally friendly and non-toxic bio-based adhesives are emerging as the most
promising substitutes for petroleum-based adhesives, attracting increasing attention. This …

Amide Spectral Fingerprints are Hydrogen Bonding-Mediated

S Gómez, C Bottari, F Egidi, T Giovannini… - The Journal of …, 2022 - ACS Publications
The origin of the peculiar amide spectral features of proteins in aqueous solution is
investigated, by exploiting a combined theoretical and experimental approach to study UV …

Nonadiabatic vibrational resonance Raman spectra from quantum dynamics propagations with LVC models. Application to thymine

Q Xu, D Aranda, M Yaghoubi Jouybari… - The Journal of …, 2022 - ACS Publications
We present a viable protocol to compute vibrational resonance Raman (vRR) spectra for
systems with several close-lying and potentially coupled electronic states. It is based on the …

Absorption properties of large complex molecular systems: the DFTB/fluctuating charge approach

P Lafiosca, S Gómez, T Giovannini… - Journal of Chemical …, 2022 - ACS Publications
We report on the first formulation of a novel polarizable QM/MM approach, where the density
functional tight binding (DFTB) is coupled to the fluctuating charge (FQ) force field. The …

Theoretical sum frequency generation spectra of protein amide with surface-specific velocity–velocity correlation functions

K Strunge, F Madzharova, F Jensen… - The Journal of …, 2022 - ACS Publications
Vibrational sum frequency generation (vSFG) spectroscopy is widely used to probe the
protein structure at interfaces. Because protein vSFG spectra are complex, they can only …

Uv-resonance Raman spectra of systems in complex environments: A multiscale modeling applied to doxorubicin intercalated into dna

S Gómez, P Lafiosca, F Egidi… - Journal of Chemical …, 2023 - ACS Publications
UV-Resonance Raman (RR) spectroscopy is a valuable tool to study the binding of drugs to
biomolecular receptors. The extraction of information at the molecular level from …