A facile synthesis process of GCN/ZnO-Cu nanocomposite and the evaluation of the performance for the photocatalytic degradation of organic pollutants and the disinfection of wastewater under visible light.

In this research, graphitic carbon nitride/zinc oxide-copper denoted as GCN/ZnO-Cu nanocomposite photocatalysts were synthesized using a novel facile synthesis process, the co-exfoliation method involving ultrasonic exfoliation of the mixture of GCN and ZnO-Cu in ethanol and then thermal exfoliation. Different characterization techniques such as X-ray diffraction (XRD), mean crystallite size (MCS), BET surface area, transmission electron microscopy (TEM), scanning electron microscopy (SEM), energy dispersive spectroscopy (EDS), particle size distribution (PSD), Fourier transform-infrared spectroscopy (FT-IR), photoluminescence (PL) spectra, and ultraviolet-visible diffuse reflectance spectroscopy (UV-Vis DRS) were conducted to study the crystallinity, morphology, elemental composition, chemical structure, and optoelectronic properties. The band gap was estimated using the UV-Vis DRS results and Tauc plots.

[THE HEALTH OF PARAMEDICAL PERSONNEL AND IMPACTING FACTORS].

The article presents results of sociological survey of 650 paramedical personnel. It is established that 37% out ofthem suffer from chronic diseases. The given indicator is reliably higher in patients of elder age having three and more children and low income.

[The role of motivation of medical personnel in system of medical care quality support].

The article considers causes of insufficient quality of medical care. The low motivation of paramedical personnel during medical services rendering is examined. The sociological survey data made it possible to analyze opinion of students of medical college as future paramedical personnel concerning attractiveness of this profession.

[The actual issues of personnel training in nursing care].

The article presents results of questionnaire survey and testing of students of medical college and faculty of higher nursing education. The causes of choosing the profession of medical nurse are enumerated. The opinions of students concerning professional image of nurse are analyzed.

[Influence of ionizing radiation on enzymatic activity and state of nucleus-nucleolar apparatus in rat hepatocytes].

The effects of a single exposure of rats to the whole-body roentgen irradiation at the doses of 3.5 Gy and 4.5 Gy on the activity of creatine kinase, purine nucleoside phosphorylase, alanine aminotransferase, aspartate aminotransferase, as well as on the state of the nuclear-nucleolar apparatus in rat hepatocytes on the 6th and 13th days after radiation exposure have been studied.