9 articles in this issue
Anatoly N. Boyandin,Ljublyana M. Dvoinina,Aleksey G. Sukovatyi,Anna A. Sukhanova,Natalya L. Ertiletskaya
Oligomers of poly-3-hydroxybutyrate (PHB) were prepared by aminolysis of high molecular weight PHB with ethylenediamine and 1,4-diaminobutane. Polymer-oligomer blends (10, 30, and 50% content of the oligomers) were prepared as films by solution casting. A... see more
Nadezhda Kochetova,Veronika Cherepanova,Alyona Pikalova,Artem Gilev
The Ba3InGa2O7.5 complex oxide, possessing the perovskite-related structure with structural oxygen vacancies, was first synthesized by the solid state method. The phase was found to be characterized by monoclinic symmetry (sp. gr. P2/c) with the following... see more
Pavel A. Shcheglov,Dmitry A. Samsonov,Anatoly B. Pavlenkov,Tatiana L. Kulova,Alexey Yu. Rychagov,Alexander M. Skundin,Evgeniya Yu. Postnova
The purpose of this research is to improve the performance and reduce the activation time of reserve power sources based on lead-acid systems at lower temperatures, down to –50 °C. Physico-chemical factors affecting the activation speed of reserve power s... see more
Konstantin L. Obydennov,Tatiana A. Kalinina,Tatiana V. Glukhareva,Vasiliy A. Bakulev
An approach to developing a docking protocol using free software such as KNIME, DataWarrior, AutoDock Vina, AutoDockTools, OpenBabel and the SWISS-MODEL service was described. In particular, the process of generating possible isomeric structures using KNI... see more
Selvin P. Thomas
Composites of polystyrene with different loading of silica were prepared by melt mixing in a Brabender Plasticorder at a rotor speed of 60 rpm. The mechanical properties of the composites such as tensile behavior, impact strength, and flexural properties ... see more
Nataliia Tarasova,Maxim Mashkovtsev,Maxim Domashenkov,Denis Khionin,Roman Bastrikov,Anzhelika Bedarkova
Perovskite or perovskite-related structural materials are widely studied for their many functional properties. They can be used as components of electrochemical devices such as solid oxide fuel cells and electrolyzers. Layered perovskites can also be cons... see more
Mary Stephanie Carranza,Neil Andrew D. Bascos,Maria Carmen Tan,Francisco Franco Jr.
Silk fibroin (SF) has been continuously explored as a biomaterial due to its biocompatibility, tunability, and self-healing properties. In this work, we present a novel approach to the modification of bacterial cellulose (BC) with SF ß-sheet dominant stru... see more
M. Karunakaran,Ravi Subban,A. Thangamani,Chinnaswamy Vijayakumar Thangavel
It is well known that many polymers are insulators with poor mechanical properties, which limit their use in fuel cell applications. Physicochemical properties of the polymers can be improved by adding conductive fillers. Carbon-based materials like graph... see more
E. A. Zauer
The modern instrumentation for flame atomic emission spectrometry (FAES) is overviewed: the main technical (composition of the fuel gas used, dispersing element, number of analytical channels, reference channel, detecting element, sampling method) and ana... see more