Existence of edge modes in periodic microstrip transmission line.

The microstrip of modulated width is a realization of a one-dimensional photonic crystal operating in the microwave regime. Like any photonic crystal, the periodic microstrip is characterised by the presence of frequency bands and band gaps that enable and prohibit wave propagation, respectively. The frequency bands for microstrip of the symmetric unit cell can be distinguished by 0 or Zak phase.

Clinical significance of laboratory diagnostics of coxyellosis in children.

The urgency of the problem of coxyellosis in children is determined by the endemic nature of this pathology for a number of regions of Russia. The purpose of the study: to evaluate the results of diagnosis of coxyellosis in children using the methods of complement binding reaction (RSC), enzyme immunoassay (ELISA), and polymerase chain reaction (PCR). Retrospective analysis of the survey on Coxiella in 3 groups of children aged 7 to 17 years: group 1 (n=30) method RSK; group 2 (n=34) - by ELISA; group 3 (n=35) - PCR, were hospitalized in GBUZ «Regional clinical infectious hospital named.

[The results of the diagnosis of giardiasis in children with the use of the method of microscopy, enzyme immunoassay, polymerase chain reaction.].

Giardiasis in children remains an urgent problem, the importance of which is determined by the endemicity for many countries and regions, polymorphism of the clinic, which causes difficulties in clinical diagnosis of this pathology. The report presents the results of the diagnostic significance of methods of laboratory diagnostics giardiase: microscopy of native and stained with Lugol solution preparation fecal enzyme-linked immunoassay (ELISA) for the presence of antibodies of class IgM and IgG antibodies to the antigens of Giardia in the serum and antigen of G. Lamblia in feces, polymerase chain reaction (PCR) - detection of Giardia DNA in feces obtained during the examination of 160 patients with giardiasis children aged 3 to 14 years.

[Immunotropic therapy of arbovirus infections in children].

Cytochemical indices of peripheral blood leukocytes were investigated. The results allowed to estimate the level of the disease severity and to control the immunotropic therapy efficacy. Dysbalance of the interleukocytic microbicidical systems (IMS) of neutrophils reflected the nonspecific resisistance and the state of the phagocytic system as an objective criterion of the adaptation syndrome.

[Clinical and epidemiological description of acute intestinal infections in children of the lower Volga region].

In accordance with the results of laboratory diagnostics, carried out by bacteriological, serological and PCR methods, the etiological structure of acute bacterial and viral intestinal infections, most frequently occurring in children of the Astrakhan region, is presented. An important role of viral diarrhea cases, prevailing among the total number of cases of intestinal infections in children, is emphasized. The data on the irregular distribution of morbidity by months, especially in viral intestinal infections and salmonellosis with the prevalent involvement of children aged up to 2 years into the epidemic process, are presented.