Bernd Zimmermann,1 Kristina Chadova,2 Diemo Ködderitzsch,2 Stefan Blügel,1 Hubert Ebert,2 Dmitry V. Fedorov,3,4 Nguyen H. Long,1 Phivos Mavropoulos,1 Ingrid Mertig,3,4 Yuriy Mokrousov,1,* and Martin Gradhand5,† 1Peter Grünberg Institut and Institute for Advanced Simulation, Forschungszentrum Jülich and JARA, Germany 2Department of Chemistry, Physical Chemistry, Ludwig-Maximilians University Mun...

The cutting, lay-up and bagging of out-of-autoclave (OOA) prepregs for composite part fabrication can take from several days to weeks, depending on the desired part size. This period of ambient temperature “out-time” induces resin polymerization/cross-linking, and affects critical physicochemical phenomena such as minimum viscosity, gelation, and vitrification. Therefore, the capability to moni...

introduction: the purpose of this study was to compare the setting time and post-setting solubility, flow, film thickness and dimensional changes of ah26 root canal sealer with ah26-antibiotic combination. materials and methods: this study was performed according to british standard bs 6876 (2001) which tests the physicochemical properties of endodontic sealers. three samples of each of tested ...

The approaches range from theoretical studies – including statistical physics of non-equilibrium systems – to the organic synthesis of molecules and macromolecules, and they include many experimental studies on biological and biomimetic systems in which the parameters can be changed. A variety of microscopical techniques are used such as optical, multiphoton, electron and atomic force microscop...

Many old paintings suffer from the effects of certain physicochemical phenomena, that can seriously degrade their overall visual appearance.Digital image processing techniques can be utilized for the purpose of restoring the original appearance of a painting, with minimal physical interaction with the painting surface. In this paper, a number of methods are presented which can yield satisfactor...

Although many sequences and linear IgE epitopes of allergenic proteins have been identified and archived in databases, structural and physicochemical discriminators that define their specific properties are lacking. Current bioinformatics tools for predicting the potential allergenicity of a novel protein use methods that were not designed to compare peptides. Novel tools to determine the quant...

Which intrinsic biomaterial parameter governs and, if quantitatively monitored, could reveal to us the actual lifetime potential of advanced hip joint bearing materials? An answer to this crucial question is searched for in this paper, which identifies ceramic bearings as the most innovative biomaterials in hip arthroplasty. It is shown that, if in vivo exposures comparable to human lifetimes a...

We describe the molecular dynamics (MD)-aided engineering design of mutant peptides based on the alpha-helical coiled-coil GCN4 leucine zipper peptide (GCN4-p1) in order to obtain environmentally-responsive nanotweezers. The actuation mechanism of the nanotweezers depends on the modification of electrostatic charges on the residues along the length of the coiled coil. Modulating the solution pH...

The quality of cocoa depends on both the origin cacao and processing stages. roasting process is critical because it develops aroma flavor, changing beans’ chemical composition significantly by reactions induced thermal energy. Aspects have been identified as main differences between bulk fine cocoa, effect time temperature formation flavor aroma, conductive heating in an oven, convective with ...

The development of the thermodynamics of irreversible processes is outlined with a review of recent work and a discussion of the application of these concepts to physicochemical, biological and hydrodynamic phenomena. The extension of local thermodynamics to include a theory of stability and of fluctuations receives attention. The author concludes with remarks on the stability properties of che...