The UV photodegradability study of octadecaborane in polystyrene matrix thin films

Octadecaborane was announced in the literature as a new laser dye delivering blue luminescence with high quantum yield. To unlock the potential of this class of compounds in electronics, a representative of octadecaboranes, anti-B18H22, was preliminarily investigated as a dopant to polystyrene matrix. Polymer/borane thin films with thickness varying in the range of hundreds of nanometres were deposited onto quartz substrates by spin coating technique from solutions in organic solvents. The UV degradability of prepared samples was studied by fluorimetric observation. Effects of the surrounding atmosphere, the dopant concentrations and the molecular structure were observed, which has implications towards the reliability of studied materials in prospective applications in optoelectronic devices. © 2021 TANGER Ltd., Ostrava.Czech Science FoundationGrant Agency of the Czech Republic [19-23513S]; Operational Program Research and Development for InnovationsEuropean Commission; project CPS -strengthening research capacity [CZ.1.05/2.1.00/19.0409]Grantová Agentura České Republiky, GA ČR: 19-23513S; European Regional Development Fund, ERDF: CZ.1.05/2.1.00/19.040

WSES guidelines for management of Clostridium difficile infection in surgical patients

In the last two decades there have been dramatic changes in the epidemiology of Clostridium difficile infection (CDI), with increases in incidence and severity of disease in many countries worldwide. The incidence of CDI has also increased in surgical patients. Optimization of management of C difficile, has therefore become increasingly urgent. An international multidisciplinary panel of experts prepared evidenced-based World Society of Emergency Surgery (WSES) guidelines for management of CDI in surgical patients.Peer reviewe

The Use of Simulations for the Need of Environment Protection

Part 4: Environmental Applications in Risk and Crises ManagementInternational audienceThe environmental protection is currently a very hot topic. The article deals with the perspectives and possibilities for deployment of "new technologies" or already known technologies but in new ways in order to protect selected environment. In the first part, the paper is focused on education and technologies used in the educational process at the University of Defence, at the Department of Civil Protection. The second part outlines the possibilities of using this technology to protect specialized workplaces, which is also applicable to environmental protection