COVID-19 crisis impact on the stability between parties in crowdfunding and crowdsourcing.

This research reviews challenges in building sustainable relationships between the parties involved in the crowdfunding and crowdsourcing projects, which are running in extreme situations, such as the COVID-19 pandemic. This study aims to solve problems that generate the crowdsourcing concerns and to find better alternatives to increase trust for crowdfunding among donors, as this impacts their strategic sustainability in the conditions of turbulence and COVID-induced financial crisis. It was found that factors influence donor decisions in different ways, yet the common tendency for donor activity is non-monotonicity.

[Preparation of magnetic latexes and their use for the immunodetection of microbial antigens].

The possibility of detecting antigens of plague, tularemia, and brucellosis microbes with magnetic latex (ML)-based test systems has been demonstrated. MLs were prepared from latexes (polyacroleine microspheres, 1.2-1.

[Heterogeneity of Bacillus anthracis strains in terms of their adhesive capacity].

The homogeneity of colonies of two B. anthracis vaccine strains in R- and RS- forms (100 colonies of each strain) in terms of their adhesive capacity was studied. B.