Effect of ionic strength on polymyxin resistance ofpmrAmutants ofSalmonella
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چکیده
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15 صفحه اولEffect of Ionic Strength on Deprotonation of Salicylic Acid and its Derivative
The protonation constant values of salicylic and 5-nitrosalicylic acid werestudied by a combinationof spectrophotometric and potentiometric methods at 25 °C in wide range of ionic strength. The ionicstrength of solutions was kept constant by sodium perchlorate as background electrolyte at 0.10 to 3.0 moldm-3. Potentiometer was calibrated according to Gran method at each of ionic strength. The p...
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15 صفحه اولThe effect of polymyxin on plant roots.
Antibiotics are recognized and selected because of their inhibitory effects on the proliferation or activity of microorganisms. Only relatively recently have their effects on plant growth been studied, mostly in connection with the search for compounds which might be employed to suppress invading plant pathogens (l-5). In such cases the antibiotic should control the pathogen without adversely a...
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ژورنال
عنوان ژورنال: FEMS Microbiology Letters
سال: 1981
ISSN: 0378-1097,1574-6968
DOI: 10.1111/j.1574-6968.1981.tb06989.x