Quantitative strain of Staphylococcus aureus|361282 |BNCC

Essential Information Related Products

Quantitative strains of staphylococcus aureus

Culture medium	BNCC360795
Description	Nutrient Blood Agar
Composition	Beef Extract:3.0g, Peptone:10.0g, NaCl:5.0g, Agar:15.0g, pH:7.0(25℃)
Growth conditions	37 ℃, 18h, aerobic
Subculture procedure	① Cultivate the bacteria into a bacterial suspension according to the cultivation conditions first; ② Measure the absorbance of bacterial suspension and calculate the initial concentration of bacterial suspension according to the standard formula; ③ The actual concentration after freeze-drying is obtained by multiplying the initial concentration by the survival rate; ④ Dilute the bacterial suspension according to the actual concentration after freeze-drying to obtain the target concentration, and then divide and freeze dry it;
Storage conditions	-20 ℃
morphology	Round, with neat edges, opaque, golden yellow on the front, light color, raised in the middle, smooth and bright on the surface, moist texture, easy to pick up, non pigmented, G+(blue purple), cocci, purity: pure
Sharing mode	Public welfare sharing