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G418 disulfate (FW 692.7) is an antibiotic used to select transfected mammalian cells in tissue culture. The standard working concentration for selection is 400 µg/mL of active ingredient in culture medium. The bottle states that it contains 71% active ingredient. You need to make a 100x stock in medium and adjust the pH before you apply it to cells. How much powder should be added to make 10 mL of stock solution? How much do you add to a 2 mL culture dish?

G418 disulfate (FW 692.7) is an antibiotic used to select transfected mammalian cells in tissue culture. The standard working concentration for selection is 400 µg/mL of active ingredient in culture medium. The bottle states that it contains 71% active ingredient. You need to make a 100x stock in medium and adjust the pH before you apply it to cells. How much powder should be added to make 10 mL of stock solution? How much do you add to a 2 mL culture dish?

Human Anatomy & Physiology (11th Edition)
Human Anatomy & Physiology (11th Edition)
11th Edition
ISBN:9780134580999
Author:Elaine N. Marieb, Katja N. Hoehn
Publisher:Elaine N. Marieb, Katja N. Hoehn
Chapter1: The Human Body: An Orientation
Section: Chapter Questions
Problem 1RQ: The correct sequence of levels forming the structural hierarchy is A. (a) organ, organ system,...
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G418 disulfate (FW 692.7) is an antibiotic used to select transfected mammalian cells in tissue culture. The standard working concentration for selection is 400 µg/mL of active ingredient in culture medium. The bottle states that it contains 71% active ingredient. You need to make a 100x stock in medium and adjust the pH before you apply it to cells. How much powder should be added to make 10 mL of stock solution? How much do you add to a 2 mL culture dish?
Transcribed Image Text:G418 disulfate (FW 692.7) is an antibiotic used to select transfected mammalian cells in tissue culture. The standard working concentration for selection is 400 µg/mL of active ingredient in culture medium. The bottle states that it contains 71% active ingredient. You need to make a 100x stock in medium and adjust the pH before you apply it to cells. How much powder should be added to make 10 mL of stock solution? How much do you add to a 2 mL culture dish?
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