New frontiers in the catalytic synthesis of levulinic acid: from sugars to raw and waste biomass as starting feedstock

C Antonetti, D Licursi, S Fulignati, G Valentini… - Catalysts, 2016 - mdpi.com
Levulinic acid (LA) is one of the top bio-based platform molecules that can be converted into
many valuable chemicals. It can be produced by acid catalysis from renewable resources …

A microporous hydrogen bonded organic framework for highly selective separation of carbon dioxide over acetylene

Y Li, X Wang, H Zhang, L He, J Huang… - Angewandte Chemie …, 2023 - Wiley Online Library
The separation of acetylene (C2H2) from carbon dioxide (CO2) is a very important but
challenging task due to their similar molecular dimensions and physical properties. In terms …

CHARMM general force field: A force field for drug‐like molecules compatible with the CHARMM all‐atom additive biological force fields

K Vanommeslaeghe, E Hatcher… - Journal of …, 2010 - Wiley Online Library
The widely used CHARMM additive all‐atom force field includes parameters for proteins,
nucleic acids, lipids, and carbohydrates. In the present article, an extension of the CHARMM …

Force field benchmark of organic liquids: density, enthalpy of vaporization, heat capacities, surface tension, isothermal compressibility, volumetric expansion …

C Caleman, PJ Van Maaren, M Hong… - Journal of chemical …, 2012 - ACS Publications
The chemical composition of small organic molecules is often very similar to amino acid side
chains or the bases in nucleic acids, and hence there is no a priori reason why a molecular …

Flammability of Li-ion battery electrolytes: flash point and self-extinguishing time measurements

S Hess, M Wohlfahrt-Mehrens… - Journal of The …, 2015 - iopscience.iop.org
The flammability of electrolytes is an important aspect of the thermal safety behavior of Li-ion
batteries. Flash points (FPs) and self-extinguishing times (SETs) of 25 solvents (including …

Gas-assisted focused electron beam and ion beam processing and fabrication

I Utke, P Hoffmann, J Melngailis - … of Vacuum Science & Technology B …, 2008 - pubs.aip.org
Beams of electrons and ions are now fairly routinely focused to dimensions in the nanometer
range. Since the beams can be used to locally alter material at the point where they are …

An extension and further validation of an all-atomistic force field for biological membranes

JPM Jambeck, AP Lyubartsev - Journal of chemical theory and …, 2012 - ACS Publications
Biological membranes are versatile in composition and host intriguing molecular processes.
In order to be able to study these systems, an accurate model Hamiltonian or force field (FF) …

Parametrization of halogen bonds in the CHARMM general force field: Improved treatment of ligand–protein interactions

IS Gutiérrez, FY Lin, K Vanommeslaeghe… - Bioorganic & medicinal …, 2016 - Elsevier
A halogen bond is a highly directional, non-covalent interaction between a halogen atom
and another electronegative atom. It arises due to the formation of a small region of positive …

Rationally tuned micropores within enantiopure metal-organic frameworks for highly selective separation of acetylene and ethylene

SC **ang, Z Zhang, CG Zhao, K Hong, X Zhao… - Nature …, 2011 - nature.com
Separation of acetylene and ethylene is an important industrial process because both
compounds are essential reagents for a range of chemical products and materials. Current …

Production of levulinic acid from cellulose by hydrothermal decomposition combined with aqueous phase dehydration with a solid acid catalyst

R Weingarten, WC Conner, GW Huber - Energy & Environmental …, 2012 - pubs.rsc.org
In this paper we introduce a process to produce levulinic acid from cellulose without the use
of a homogeneous acid catalyst. The process consists of 2 reaction steps:(1) non-catalytic …