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Showing 58 results for "caroline pascal" in Chemistry
Chemistry Preprint PDF DOI

SITH: A Quantum-Chemical Framework for Predicting Bond Destabilization in Stretched Molecules

Daniel Sucerquia, Mikaela Farrugia, Andreas Dreuw, Frauke Grater · 2026

Mechanical forces can selectively destabilize chemical bonds of molecular systems, particularly in biological and synthetic polymers. While experimental and theoretical methods have advanced our under…

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Chemistry Preprint PDF DOI

How special are the dynamics of deep eutectic solvents? A Look at the Prototypical Case of Ethaline

Mohammad Nadim Kamar (IPR), Armin Mozhdehei (IPR), Basma Dupont (IPR), Ronan Lefort (IPR), Alain Moreac (IPR), Jacques Ollivier (ILL), Markus Appel (ILL), Denis Morineau (IPR) · 2025

We investigated the molecular dynamics of the prototypical deep eutectic solvent (DES) ethaline. We disentangled the different motions of its two constituents, namely choline chloride and ethylene gly…

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Chemistry Preprint PDF DOI

Label-free SERS Discrimination of Proline from Hydroxylated Proline at Single-molecule Level Assisted by a Deep Learning Model

Yingqi Zhao, Kuo Zhan, Pei-Lin Xin, Zuyan Chen, Shuai Li, Francesco De Angelis, Jianan Huang · 2024

Discriminating the low-abundance hydroxylated proline from hydroxylated proline is crucial for monitoring diseases and eval-uating therapeutic outcomes that require single-molecule sensors. While the …

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Chemistry Preprint PDF DOI

Room-temperature decomposition of the ethaline deep eutectic solvent

Julia H. Yang, Amanda Whai Shin Ooi, Zachary A. H. Goodwin, Yu Xie, Jingxuan Ding, Stefano Falletta, Ah-Hyung Alissa Park, Boris Kozinsky · 2024

Environmentally-benign, non-toxic electrolytes with combinatorial design spaces are excellent candidates for green solvents, green leaching agents, and carbon capture sources. Here, we examine one par…

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Chemistry Preprint PDF DOI

Rank-reduced equation-of-motion coupled cluster triples: an accurate and affordable way of calculating electronic excitation energies

Piotr Michalak, Micha{l} Lesiuk · 2024

In the present work we report an implementation of the rank-reduced equation-of-motion coupled cluster method with approximate triple excitations (RR-EOM-CC3). The proposed variant relies on tensor de…

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Chemistry Preprint PDF DOI

Amino Acids Stabilizing Effect on Protein and Colloidal Dispersions

Ting Mao, Xufeng Xu, Pamina M. Winkler, Cecilia Siri, Ekaterina Poliukhina, Paulo Jacob Silva, Zhi Luo, Quy Ong, Alfredo-Alexander Katz, Francesco Stellacci · 2024

Despite being used for decades as stabilizers, amino acids (AAs) remain mysterious components of many medical and biological formulations. Hypotheses on their role vary ranging from hydrotropic to pro…

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Chemistry Preprint PDF DOI

Modulating weak protein-protein cross-interactions by addition of free amino acids at millimolar concentrations

Pamina M. Winkler, Cecilia Siri, Johann Buczkowski, Juliana V. C. Silva, Lionel Bovetto, Christophe Schmitt, Francesco Stellacci · 2024

In this paper, we quantify weak protein protein interactions in solution using Cross-Interaction Chromatography (CIC) and Surface Plasmon Resonance (SPR) and demonstrate that they can be modulated by …

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Chemistry Preprint PDF DOI

Simulation of ab initio optical absorption spectrum of \beta-carotene with fully resolved S_{0} and S_{2} vibrational normal modes

Mantas Jakucionis, Ignas Gaiziunas, Juozas Sulskus, Darius Abramavicius · 2023

Electronic absorption spectrum of beta-carotene (b-Car) is studied using quantum chemistry and quantum dynamics simulations. Vibrational normal modes were computed in optimized geometries of the elect…

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Chemistry Preprint PDF DOI

Concentration-Flux-Steered Mechanism Exploration with an Organocatalysis Application

Moritz Bensberg, Markus Reiher · 2022

Investigating a reactive chemical system with automated reaction network exploration algorithms provides a more detailed picture of its chemical mechanism than what would be accessible by manual inves…

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Chemistry Preprint PDF DOI

Total lineshape analysis of {\alpha}-tetrahydrofuroic acid $^{1}$H NMR spectra

Artemiy I. Nichugovskiy, Dmitry A. Cheshkov · 2022

The 1H NMR spectra of L-proline oxygen analogous, alpha-tetrahydrofuroic acid, 7-spins nonsymmetric spin system with strongly pronounced non-first order effects were analyzed by ANATOLIA total linesha…

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Chemistry Preprint PDF DOI

Correlating research octane numbers of gasoline surrogates with high temperature oxidation characteristics

Ruijie Zhu · 2022

Due to the rapid combustion nature of gasolines, most of the experimental measurements of research octane number (RON) could only yield macroscopic quantities such as ignition delay time and pressure …

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Chemistry Preprint PDF DOI

Experimental and numerical study on the effect of oxymethylene ether-3 (OME3) on soot particle formation

Federica Ferraro, Carmela Russo, Robert Schmitz, Christian Hasse, Mariano Sirignano · 2021

The reduction and control of particulate matter generated by fossil fuel combustion are among the main issues for actual and future combustion devices due to the increasingly stringent emission regula…

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Chemistry Preprint PDF DOI

Unambiguous tracking of protein phosphorylation by fast, high-resolution FOSY NMR

Dmitry M. Lesovoy, Panagiota S. Georgoulia, Tammo Diercks, Irena Matecko-Burmann, Bjorn M. Burmann, Eduard V. Bocharov, Wolfgang Bermel, Vladislav Y. Orekhov · 2021

Phosphorylation is a prototypical example of post-translational modifications (PTMs) that dynamically modulate protein func-tion, where dysregulation is often implicated in disease. NMR provides infor…

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Chemistry Preprint PDF DOI

A new and efficient implementation of CC3

Alexander C. Paul, Rolf H. Myhre, Henrik Koch · 2020

We present a new and efficient implementation of the closed shell coupled cluster singles and doubles with perturbative triples method (CC3) in the electronic structure program $e^T$. Asymptotically, …

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Chemistry Preprint PDF DOI

Predicting the Right Mechanism for Hypervalent Iodine Reagents by Applying Two Types of Hypervalent Twist Models: Apical Twist and Equatorial Twist

Tian-Yu Sun, Kai Chen, Tingting You, Penggang Yina · 2020

Since the hypervalent twist followed by reductive elimination is a general reaction pattern for hypervalent iodine reagents, mechanistic studies about the hypervalent twist step provide significant gu…

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Chemistry Preprint PDF DOI

Electrodialytic removal of tungsten and arsenic from secondary mine resources: Deep eutectic solvents enhancement

Joana Almeida, Rita Craveiro, Paulina Faria, Antonio Santos Silva, Eduardo Mateus, Susana Barreiros, Alexandre Paiva, Alexandra Branco Ribeiro · 2020

Tungsten is a critical raw material for European and U.S. economies. Tungsten mine residues, usually considered an environmental burden due to e.g. arsenic content, are also secondary tungsten resourc…

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Chemistry Preprint PDF DOI

A skeletal mechanism for premixed flames of isooctane/2-methylfuran blends

Atmadeep Bhattacharya · 2019

A skeletal chemical kinetic mechanism containing 252 species and 1288 reactions for the simulation of premixed flames involving isooctane (representing gasoline) and 2MF blends has been proposed in th…

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Chemistry Preprint PDF DOI

Natural Deep Eutectic Solvents as Agents for Improving Solubility, Stability and Delivery of Curcumin

Tomasz Jelinski, Maciej Przyby{l}ek, Piotr Cysewski · 2019

Purpose Study on curcumin dissolved in natural deep eutectic solvents (NADES) was aimed at exploiting their beneficial properties as drug carriers. Methods The concentration of dissolved curcumin in N…

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Chemistry Preprint PDF DOI

Catalytic upgrading of hydrothermal liquefaction biocrudes: Different challenges for different feedstocks

Daniele Castello, Muhammad Salman Haider, Lasse Aistrup Rosendahl · 2019

Hydrothermal liquefaction (HTL) followed by catalytic hydrotreating of the produced biocrude is increasingly gaining ground as an effective technology for the conversion of biomass into liquid biofuel…

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Chemistry Preprint PDF DOI

Band-edge Excitation of Carotenoids Removes S* Revealing Triplet-pair Contributions to the S1 Absorption Spectrum

Daniel W Polak, Andrew J Musser, George A Sutherland, Alexander Auty, Federico Branchi, Branislav Dzurnak, Jack Chidgey, Giulio Cerullo, C Neil Hunter, Jenny Clark · 2019

The nature of the low-lying electronic states in carotenoids has been debated for decades. We use excitation-dependent transient absorption spectroscopy and comparison with published results on \b{eta…

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