羧苄青霉素试剂类:
性状:常用其钠盐。为白色结晶性粉末,易溶于水溶于乙醇、甲醇,不溶于其它有机溶剂。吸湿性强。在水溶液中逐渐分解,不宜配后存放。其游离酸的pka为2.6、2.7和3.3,本品10%水溶液的ph值为6.0—8.0。Application Recommended for antibacterial use in cell culture media at 100 μg/ml.
Biochem/physiol Actions Carboxypenicillin antibiotic that inhibits bacterial cell-wall synthesis (peptidoglycan cross-linking) by inactivating transpeptidases on the inner surface of the bacterial cell membrane. Analog to ampicillin.
Antimicrobial spectrum: Gram-positive and Gram-negative bacteria, Pseudomonas
羧苄青霉素(carbenicillin)(50mg/ml)
溶解0.5g羧苄青霉素二钠盐于足量的水中,最后定容至10ml。分装成小份于-20℃贮存。常以25ug/ml~50ug/ml的终浓度添加于生长培养基。storage temp. 2-8°C