Lipid and lipopolysaccharide composition of escherichia coli surface-altered mutants selected for resistance to levallorphan, tetracaine, and polymyxin.... The phospholipid metabolism of the lev and tec strains shows an abnormal response to growth in the selective agents levallorphan and tetracaine, respectively
A clinical trial of a mixture of levorphanol and levallorphan as an oral analgesic byThe effects of a mixture of 1 part levallorphan and 10 parts levorphanol taken by mouth were studied in subjects needing symptomatic control of intractable pain....
Use of polymyxin b, levallorphan, and tetracaine to isolate novel envelope mutants of escherichia coli.Mutants of Escherichia coli were isolated by their resistance to the bacteriocidal effects of the membrane-active drugs polymyxin B, levallorphan, and tetracaine....
Levallorphan-tolerant mutants of excherichia coli with altered morphologies.The penetration of levallorphan, a synthetic morphinan known to interact with the cytoplasmic membrane of E....
