Nintendo.com > Support > Downloadable Manuals > Wii. The Nintendo Wi-Fi Connection service, which provides certain online functionality for many Wii, Nintendo DS, and Nintendo DSi software titles, was discontinued on 5/20/14. For more details, click here.
Principle of MacConkey Agar. MacConkey agar is used for the isolation of gram-negative enteric bacteria and the differentiation of lactose fermenting from lactose non-fermenting gram-negative bacteria.
Synonym(s): MacConkey medium. MacConkey medium - Synonym(s): MacConkey agar. a dried hydrophilic, colloidal substance extracted from various species of red algae. When suspended in a liquid medium and heated to 212Â°F (100Â°C), the agar dissolves. When it is allowed to cool to 110Â°F (43Â°C) the medium becomes a solid gel. It is used in culture media for bacteria and other microorganisms, in making emulsions, and as a supporting medium for immunodiffusion and immunoelectrophoresis.