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  • Author: Dzintars Ozoliņš x
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Abstract

The current study explored the possibility to attach bacteria and yeasts to micro-silica particles. The aim of the study was to determine possible differences in the speed of rates of turbidity (or speed of adherence) between suspensions of bacteria and yeasts with and without silica micro-particles. Some important findings were demonstrated, which might be promising for developing of a new diagnostic approach to distinguish bacteria from yeasts. Addition of SiO2 beads to bacterial suspensions resulted in a significantly faster decrease of turbidity rates in comparison with corresponding suspensions without SiO2 beads. However, yeasts adhered to silica micro particles quicker in comparison with the speed of adherence of bacteria to silica.

Optimised Routines for Monitoring of Treated Late Latent Syphilis Patients

Highly sensitive and specific tests are needed in monitoring of the serological activity and efficacy of treatment of late latent syphilis. In a retrospective study, the data of 52 patients who had received treatment for late latent syphilis were analysed in the Clinical Centre of Skin and Sexually Transmitted Diseases, Latvia. The diagnostic sensitivity and specificity was calculated by Syphilis Immunoblot IgG, Treponema Pallidum Immobilisation Reaction (TPIR) and Syphilis Express Diagnosis (SED). The correlation between Treponema Pallidum Immobilisation Reaction (TPIR) and Syphilis Immunoblot IgG, SED and TPIR results were estimated. Syphilis Immunoblot IgG is useful for latent syphilis diagnostics. The values of the synthetic peptide TmpA, TmpN15 and TmpN47 on the Syphilis Immunoblot IgG strip are useful for monitoring of the treatment of late latent syphilis patients.