QZN 34 is a small molecule pseudomonas aeruginosa PQS quorum-sensing system (PqsR) inhibitor with IC50 of 15 uM, kills planktonic Gram-positives (S. aureus, MIC 6.25 uM) but not Gram-negatives.QZN 34 prevented S. aureus biofilm formation, severely damaged established S. aureus biofilms, and perturbed P. aeruginosa biofilm development.QZN 34 killed planktonic Gram-positive pathogens including S. aureus, Staphylococcus epidermidis, Streptococcus pyogenes, and Clostridioides difficile but not Gram-negative bacteria such as P. aeruginosa and Escherichia. coli.QZN 34 eradicated the mixed-species biofilm against mixed S. aureus and P. aeruginosa biofilms when combined with aminoglycoside.

Providing storage is as stated on the product vial and the vial is kept tightly sealed, the product can be stored for up to 24 months.
Wherever possible, you should prepare and use solutions on the same day. However, if you need to make up stock solutions in advance, we recommend that you store the solution as aliquots in tightly sealed vials at -20°C. Generally, these will be useable for up to one month. Before use, and prior to opening the vial we recommend that you allow your product to equilibrate to room temperature for at least 1 hour.