روش دیسک
ابتدا دیسکهای حاوی بتا لیزین S.aureus را روی یک پلیت آگار خون قرار دهید.
سپس میکروارگانیسمها را در فاصله 2 تا 3 میلیمتری از لبه دیسک تلقیح کنید.
در نهایت پلیت را یک شب در دمای 35 درجه سانتیگراد در انکوباتور CO2 انکوبه کنید.
BY Lab_science
With the help of the Search Filters option, users can now filter search results by type. They can do that by using the new tabs: Media, Links, Files and others. Searches can be done based on the particular time period like by typing in the date or even “Yesterday”. If users type in the name of a person, group, channel or bot, an extra filter will be applied to the searches.
The Singapore stock market has alternated between positive and negative finishes through the last five trading days since the end of the two-day winning streak in which it had added more than a dozen points or 0.4 percent. The Straits Times Index now sits just above the 3,060-point plateau and it's likely to see a narrow trading range on Monday.
Lab_science from hk