[Assessment of the possibility of application in laboratory practice of reagent kit for diagnosis of glanders and melioidosis by real-time polymerase chain reaction.].

The reagent kit AmpligenBurk-mallei/pseudomallei-RT PCR is designed for detecting in vitro diagnostics and differentiate the DNA of glanders and melioidosis pathogens by real-time multiplex PCR in biological (clinical) material and cultures of microorganisms, as well as environmental objects and solid food products (rice). During clinical testing diagnostic value of reagent kit AmpligenBurk-mallei/pseudomallei-RT PCR has been studied. Based on the results obtained, a high analytical sensitivity (1×10 microbe cells/ml) and specificity (100%) of PCR-RT with the developed reagent kit were established, regardless of the type of material being studied.

[Imperfect and Compound Microsatellites in the Genomes of Burkholderia pseudomallei Strains].

Evolution of microsatellites (or simple sequence repeats, SSRs) is a complex process that converts perfect repeats to novel structural elements with functions poorly understood, such as imperfect and compound microsatellites. An in silico analysis often Burkholderia pseudomallei genomes revealed 215683 micro-satellites, and more than 98% of them proved imperfect. The density of microsatellites in the genome ranged from 2922.

[The development and application of reagents kit for detection RNA of the causative agents of melioidosis and glanders by transcription-based amplification (NASBA) in real-time.].

The polymorphism of clinical manifestations of melioidosis and glanders and their high mortality require improvement of diagnostics for detection of this agents. The perspectivity of development of transcription-based amplification real-time NASBA diagnostic kits is determined by high analytical sensitivity and the opportunity to perfom the verification of the results of other methods for pathogenic Burkholderia species detection. The fragment of 23S rRNA gene was selected as the target for development of real-time NASBA kit.

Optical trapping with planar silicon metalenses.

Contactless manipulation of micron-scale objects in a microfluidic environment is a key ingredient for a range of applications in the biosciences, including sorting, guiding, and analysis of cells and bacteria. Optical forces are powerful for this purpose but, typically, require bulky focusing elements to achieve the appropriate optical field gradients. To this end, realizing the focusing optics in a planar format would be very attractive and conducive to the integration of such microscale devices, either individually or as arrays.