A NEW CARBON PASTE SELECTIVE ELECTRODE FOR SENSITIVE AND SELECTIVE DETERMINATION OF ERYTHROMYCIN ETHYLSUCCINATE

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SOLEYMANPOUR A.; NADIMI N.; AGHAEI A.

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Seminar: IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY
Year:2014 | Issue:20

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Title

A NEW CARBON PASTE SELECTIVE ELECTRODE FOR SENSITIVE AND SELECTIVE DETERMINATION OF ERYTHROMYCIN ETHYLSUCCINATE

Author(s)

SOLEYMANPOUR A. | NADIMI N. | AGHAEI A. | Issue Writer Certificate

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Abstract

ERYTHROMYCIN ESTERS SUCH AS ETHYLSUCCINATEIS ANTIBACTERIALLY INACTIVE AND ONLY BECOMES EFFECTIVE AFTER IT IS HYDROLYZED TO ERYTHROMYCIN IN PLASMA AND OTHER BODY STUIDS.ERYTHROMYCIN PREVENTS PROTEIN SYNTHESIS AT BACTERIAL RIBOSOMES, RESULTING IN THE DEATH OF THE ORGANISM [1].DIFFERENT ANALYTICAL METHODS HAVE BEEN DEVELOPED FOR THE DETERMINATION OF ERYTHROMYCIN ETHYLSUCCINATE AND ITS METABOLITIES INCLUDING CHROMATOGRAPHY, SPECTROPHOTOMETRY AND VOLTAMMETRY [2, 3], THUS FOR EASY, FAST AND SELECTIVE DETERMINATION OF ERYTHROMYCIN ETHYLSUCCINATE, IN THIS STUDY A NEW CARBON PASTE ELECTRODE BASED ON THE USE OF ION ASSOCIATION COMPLEX OF ERYTHROMYCIN ETHYLSUCCINATE WITH PHOSPHOTUNGSTATE IS CONSTRUCTED.HOWEVER, NO ISE FOR THIS DRUG WAS REPORTED.THE MOST ADVANTAGES OF CPES ARE EASE OF PREPARATION, MODIFICATION AND REGENERATION AND SPECIALLY LOW COST.THE PROPOSED ELECTRODE EXHIBITS A NERNSTIAN SLOPE OF 59.0±0.2 MV/DECADE FOR ERYTHROMYCIN ETHYLSUCCINATE OVER A CONCENTRATION RANGE OF 7.4×10-8-1.0×10-3 M, WITH A DETECTION LIMIT OF 5.0×10-8 M. THE ELECTRODE HAS A FAST RESPONSE TIME (<5 S), SATISFACTORY REPRODUCIBILITY AND GOOD LIFE TIME (MORE THAN 2 MONTHS). THE POTENTIOMETRIC RESPONSE OF THE ELECTRODE WAS STUDIED IN BUFFERED SOLUTION. THE INFLUENCE OF THE TEMPERATURE ON THE RESPONSE OF THE ELECTRODE WAS INVESTIGATED AND THE TEMPERATURE COEFFICIENT OF THE ELECTRODE WAS CALCULATED BY RECORDING THE CALIBRATION GRAPHS AT DIFFERENT TEMPERATURES. THE ELECTRODE WAS APPLIED IN POTENTIOMETRIC TITRATION OF ERYTHROMYCIN ETHYLSUCCINATE SOLUTION ALSO AND DETERMINATION OF ERYTHROMYCIN ETHYLSUCCINATE IN TABLET AND BLOOD SERUM SAMPLES.

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APA: Copy

SOLEYMANPOUR, A., NADIMI, N., & AGHAEI, A.. (2014). A NEW CARBON PASTE SELECTIVE ELECTRODE FOR SENSITIVE AND SELECTIVE DETERMINATION OF ERYTHROMYCIN ETHYLSUCCINATE. IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. SID. https://sid.ir/paper/912030/en

Vancouver: Copy

SOLEYMANPOUR A., NADIMI N., AGHAEI A.. A NEW CARBON PASTE SELECTIVE ELECTRODE FOR SENSITIVE AND SELECTIVE DETERMINATION OF ERYTHROMYCIN ETHYLSUCCINATE. 2014. Available from: https://sid.ir/paper/912030/en

IEEE: Copy

A. SOLEYMANPOUR, N. NADIMI, and A. AGHAEI, “A NEW CARBON PASTE SELECTIVE ELECTRODE FOR SENSITIVE AND SELECTIVE DETERMINATION OF ERYTHROMYCIN ETHYLSUCCINATE,” presented at the IRANIAN SEMINAR OF ANALYTICAL CHEMISTRY. 2014, [Online]. Available: https://sid.ir/paper/912030/en

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