first order derivative
VALIDATED FIRST ORDER DERIVATIVE UV SPECTROPHOTOMETRIC VALLEY DETECTION METHOD FOR THE DETERMINATION OF PIOGLITAZONE
... From the standard stock solution of Pioglitazone, appropriate aliquots were pipette out into 25 ml volumetric flask and dilutions were made up with methanol to obtain working standard solution of Pioglitazone 15, 30,45, ...
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DEVELOPMENT OF FIRST ORDER DERIVATIVE ULTRAVIOLET SPECTROPHOTOMETRIC METHOD FOR SIMULTANEOUS ESTIMATION OF LEVOCETIRIZINE HYDROCHLORIDE AND PHENYLEPHRINE HYDROCHLORIDE IN BULK AND COMBINED DOSAGE FORM
... A fast, simple, accurate method was developed for the estimation of LEV and PHE in combination using first order derivative UV spectrophotometric technique. The developed method can be successfully ...
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Simultaneous spectrophotometric estimation of ambroxal hydrochloride and guaiphenesin by first order derivative method in combined dosage form
... overlain first order derivative spectra of ambroxal hydrochloride and guaiphenesin, the zero crossing points of both drugs were selected for analysis of other ...The first wave length selected ...
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Validated zero order and first order derivative spectrophotometric methods for the assay of cefpodoxime and cefprozil in tablet dosage form
... zero order (methods A & B) and first order derivative (methods C & D) spectrophotometric methods have been developed and validated for the individual assay of cefpodoxime (methods A ...
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FIRST ORDER DERIVATIVE SPECTROPHOTOMETRIC METHOD FOR SIMULTANEOUS ESTIMATION OF TELMISARTAN AND CHLORTHALIDONE IN BULK AND PHARMACEUTICAL DOSAGE FORM
... Standard TEL solutions of 8-48µg/ml were prepared by pipetting out 0.8, 1.6, 2.4, 3.2, 4.0, 4.8 ml of the working standard solution of TEL(100 µg/ml) into series of 10 ml volumetric flasks and the volume was adjusted to ...
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Development and Validation of First Order Derivative Spectrophotometric Method for Simultaneous Estimation of Atorvastatin Calcium and Aspirin in Capsules
... zero order (D 0 ) spectrum is shown in Figure 1. Zero order spectrums (D 0 ) were converted to first derivative spectra (D 1 ) using delta lambda ...Overlay first order ...
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DEVELOPMENT AND VALIDATION OF FIRST ORDER DERIVATIVE SPECTROPHOTOMETRIC METHOD FOR SIMULTANEOUS ESTIMATION OF LERCANIDIPINE AND VALSARTAN IN SYNTHETIC MIXTURE
... From the literature survey, it was observed that various methods are reported for analysis of Lercanidipine and Valsartan individually as well as in combination with other drugs But no other methods has been reported for ...
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Development and validation of first order derivative spectrophotometric and rp-hplc method for simultaneous estimation of aripiprazole and clozapine in synthetic mixture
... effective First order derivative Spectrophotometric method and RP-HPLC method for the simultaneous estimation of Aripiprazole and Clozapine in Synthetic ...The first order ...
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Improved ECG QRS Detection Using Combined MaMeMi Filter and First Order Derivative Filter
... In this paper, QRS detection based on combination of MaMeMi filter and first order derivative filter is presented. The method uses pre-processing stage and QRS detection stage. In pre-processing ...
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DEVELOPMENT AND VALIDATION OF FIRST ORDER DERIVATIVE METHOD FOR THE SIMULTANEOUS ESTIMATION OF TELMISARTAN AND NIFEDIPINE IN SYNTHETIC MIXTURE
... The first order derivative spectra were obtained by processing the Zero-order ...The derivative spectra showed absorbance at ...by first order derivative ...by ...
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DEVELOPMENT AND VALIDATION OF FIRST ORDER DERIVATIVE UV-SPECTROPHOTOMETRIC METHOD FOR DETERMINATION OF EMPAGLIFLOZIN AND LINAGLIPTIN
... reliable first order derivative spectro- photometric method was developed and validated for the simultaneous estimation of empagliflozin and linagliptin in combined dosage ...the first ...
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DETERMINATION OF FLURBIROFEN IN PHARMACEUTICAL PREPARATIONS BY FIRST- ORDER DERIVATIVE SPECTROPHOTOMETRY METHOD
... the first- order derivative spectrophotometric method and to study the interference of formulation additives, the recovery was checked at three different concentration levels (2, 6, 10 µg ml -1 ) and ...
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FIRST ORDER DERIVATIVE SPECTROPHOTOMETRIC METHOD FOR SIMULTANEOUS ESTIMATION OF ANAGLIPTIN AND METFORMIN HCl IN BULK AND SYNTHETIC MIXTURE
... using first order derivative spectroscopy at 233nm (ZCP of Metformin HCl) and 247nm (ZCP of Anagliptin) for determination of Anagliptin and Metformin HCl, ...
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First Order Derivative Spectrophotometric Method Develop and Validate for Estimation of Bifonazole in Bulk Drug and Pharmaceutical Formulation
... study first order derivative method for a direct determination of Bifonazole in bulk drug and pharmaceutical formulation like cream carried ...out. Derivative spectrophotometry is a useful ...
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DEVELOPMENT AND VALIDATION OF FIRST ORDER DERIVATIVE SPECTROPHOTOMETRIC METHOD FOR ESTIMATION OF VALSARTAN AND ROSUVASTATIN CALCIUM IN SYNTHETIC MIXTURE
... will give 1,2, 3, 4, 5 µg/ml respectively. Absorbance of each solution was measured at 223 nm (ZCP) using first order derivative Spectrophotometry. Graph of Absorbance vs. Concentration was plotted. ...
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SPECTROPHOTOMETRIC DETERMINATION OF EMBELIN IN BULK AND PHARMACEUTICAL FORMULATION BY FIRST ORDER DERIVATIVE METHOD
... An attempt was made to develop a simple and specific First order derivative method for the determination of embelin in bulk and its pharmaceutical dosage form. The obtained regression equation was, ...
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Multiple Positive Solutions for Singular Quasilinear Multipoint BVPs with the First-Order Derivative
... However, in the existing literature, few people considered the case where the nonlinear term is not only involved in the first-order derivative but also noncontinuous. Our paper will fill this gap in ...
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Simultaneous spectrophotometric determination of methyldopa and hydrochlorothiazide in pharmaceutical dosage form by AUC and first order derivative method
... A New, Simple, Accurate And Sensitive UV-Spectrophotometric Method has been developed for simultaneous determination of Methyldopa And Hydrochlorothiazide(HCTZ) in bulk And combined dosage form .Method A is AUC method, ...
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Positive solutions to second-order differential equations with dependence on the first-order derivative and nonlocal boundary conditions
... first-order derivative is not involved explicitly in nonlinear terms; see, for example, [, , –, , , –, ...first-order derivative; see, for example, [, , , , , , , , ...
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New uniqueness results for fractional differential equation with dependence on the first order derivative
... In this paper, we study the uniqueness of solutions for a fractional differential equation with dependence on the first order derivative. By means of Banach’s contraction mapping principle and a weighted norm ...
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