Antibiotics

Compounds and substances that kill or slow the growth of bacteria; used as a means of preventing bacterial contamination in cell cultures; various formulations and volumes available.

Search Within Results

3,721 – 3,735 of 7,109 results

3,721

Medchemexpress LLC Gentamicin | 1403-66-3 | C24H53N7O73* | 5 MG

Gentamicin is an aminoglycoside antibiotic that inhibits the growth of both gram-positive and gram-negative bacteria, and it also inhibits several strains of mycoplasma in tissue culture. It inhibits DNase I with an IC50 of 0.57 mM.

More effective in vitro bacterial inhibitor than combined penicillin-streptomycin
Nontoxic to tissue culture monolayers
Does not inhibit virus replication
Has been successfully used as an additive in commercial mycology media to inhibit bacterial growth
Bactericidal for a wider range of organisms (Pseudomonas aeruginosa, Proteus sp., and Streptococcus faecalis) compared to penicillin and streptomycin
Does not interfere with the production of cytopathic effect by certain echoviruses and polioviruses in tissue culture
Nontoxic to Rhesus monkey kidney, HeLa, and human amnion cells
Stable at autoclave temperatures

Pricing & Availability

3,722

Medchemexpress LLC Penicillin V | 87-08-1 | 98.9% | 25 MG

Penicillin V is a potent and orally active antibiotic. It exhibits antibacterial activity against Streptococci, Clostridium difficile, and Staphylococcus aureus. It is being researched for its potential in treating otitis, sinusitis, pharyngitis, and tonsillitis.

Inhibits growth of Streptococci (0.002-8.0 mg/L), with MICs of 0.004-0.008 mg/L.
Active against Clostridium difficile (0.002-8.0 mg/L) with an MIC50 of 4.0 mg/L and MIC90 of 8.0 mg/L.
Inhibits growth of Staphylococcus aureus (0.004-0.063 mg/L; 18 h) with an MIC of 0.016 mg/L.
Inhibits outgrowth of S. aureus in mice thigh muscle at 0.063-0.25 mg/kg (s.c.).