Colorimetric biosensors of cholinesterase inhibitors are ideal for fast, reliable, and very simple detection of agents in air, in water, and on surfaces. This paper describes an innovation of the Czech Detehit biosensor, which is based on a biochemical enzymatic reaction visualized by using Ellman’s reagent as a chromogenic indicator. The modification basically consists of a much more distinct color response of the biosensor, attained through optimization of the reaction system by using Guinea Green B as the indicator. The performance of the modified biosensor was verified on the chemical warfare agents (sarin, soman, cyclosarin, and VX) in water. The detection limits ascertained visually (with the naked eye) were about 0.001 µg/mL in water (exposure time 60 s, inhibition efficiency 25%).
The article deals with a necessity of granting the general meeting’s consent with a division of business share in limited liability company in various situations. First, it discusses a need of granting the general meeting’s consent with a division of business share in connection with transfer or passing of business share. Although the Business Corporations Act requires the granting of the general meeting’s consent with a division of business share in connection with transfer or passing of business share, the authors conclude that such a consent is required by law only in cases when the business share is being divided in connection with transfer or passing of business share at the shareholder’s will. Additionally, they are of opinion that Section 43(3) of the Business Corporations Act, which requires granting the general meeting’s consent with a division of business share, is non-mandatory and thus shareholders may in the articles of association conclude that the general meeting’s consent with a division of business share is not necessary or that the consent shall be granted by another corporate body. Furthermore, the article discusses whether the general meeting’s consent is required when a business share is being divided in connection with cancellation of co-ownership or during the inheritance proceeding when the testator did not dispose with a business share mortis causa. In this regard, the authors conclude that the application of Section 43(3) of the Business Corporations Act, which requires granting the general meeting’s consent with a division of business share, is excluded by special regulation of co-ownership’s cancellation or division of the estate in the Civil Code, and thus the general meeting’s consent with a division of business share is not required in these cases.
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Professor Josef Bejček spent a large part of his academic career with PrF MU. We are honoured to be able to publish a publication on his birthday.
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