The subject of the present invention is a novel use of the antibiotic bacitracin, based on the use of heretofore unknown nucleolytic properties of this drug in the degradation of ribonucleic acids RNA. Bacitracin is a polypeptide complex of known antibacterial properties, produced by Bacillus subtilis var. Tracy and Bacillus licheniformis. This drug was discovered in the 's and has since been used frequently in antibacterial therapy Epperson, J.

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Naproxen membrane electrodes based on different plasticizers and the quaternary ammonium salts QASs dimethyldidecylammonium bromide, methyltrioctylammonium chloride, or tetraoctylammonium chloride, were prepared.

The electrode was utilized for determination of naproxen in tablets by the calibration curve method and the standard addition method. Cosofret, R. Buck, Crit. Stefan, G. Baiulescu, Y. Hassan, Crit.

Zhang, V. Cosofret, Selective Electrode Rev. Solich, P. Macheras, M. Koupparis, J. Whitehouse Station, NY, Podlewski, A. Dumkiewicz, K. Sykut, A. Kusak, Chem. Warsaw 37, 35 Dumkiewicz, C. Wardak, K. Pokrzywa, Chem. Warsaw 44, Grasu, H. Aboul-Enein, Anal. Lenik, C. Wardak, B. Marczewska, Acta Poloniae Pharmaceutica, 63, Stefan, H. Hopkala, G.

Misztal, Pharmazie 51, 96 Alcada, J. Lima, M. Montenegro, J. Lenik, R. Marczewska, Acta Polonia Pharmaceutica 59, Valsami, P. Santini, J. Oliveira, H.

Pezza, L. Pezza, J. Lenik, B. Marczewska, C. Gadzekpo, G. Christian, Anal. Camman, A. Smirnova, S. Levitchevm, V. Grekovich, Yu. Vlasov, Anal. Acta 19, Hofmeister, Arch. Dumkiewicz, J. Lenik, Chem. Warsaw 46, 31 Lindner, Y. Umezawa, Pure Appl. Open Access. About Us. English Deutsch. Sign In Create Profile. Advanced Search Help.

Subject Areas Subject Areas. Joanna Lenik j. Access Metrics. Keywords: Membrane sensor ; Naproxen determination ; Optimisation of membrane phase ; Quaternary ammonium salts. Whitehouse Station, NY, [7] J. Warsaw 37, 35 [11] R. Warsaw 44, [12] Bunaciu, A. Marczewska, Acta Poloniae Pharmaceutica, 63, [14] R. Misztal, Pharmazie 51, 96 [16] M.

Marczewska, Acta Polonia Pharmaceutica 59, [18] G. Acta 19, [23] F. Warsaw 46, 31 [25] E. Open Chemistry. Details Open Chemistry is a peer-reviewed, open access journal that publishes original research, reviews and short communications in the fields of chemistry in an ongoing way. Our central goal is to provide a hub for researchers working across all subjects to present their discoveries, and to be a forum for the discussion of the important issues in the field.

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Glutaminian argininy



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