Novel eco-friendly spectrophotometric approaches for resolution of fixed dose formulation of phenylbutazone with minor component of dexamethasone: greenness …

MG Hagag, AM Hemdan, NM Fahmy, SS Abbas… - … Acta Part A: Molecular …, 2023 - Elsevier
Spectrophotometric resolution of severely overlapped binary mixtures with minor component
is challenging. Herein, coupling of mathematical manipulation steps with sample enrichment …

[HTML][HTML] Different applications of isosbestic points, normalized spectra and dual wavelength as powerful tools for resolution of multicomponent mixtures with severely …

EH Mohamed, HM Lotfy, MA Hegazy… - Chemistry Central …, 2017 - Springer
Background Analysis of complex mixture containing three or more components represented
a challenge for analysts. New smart spectrophotometric methods have been recently …

[HTML][HTML] Spectrum subtraction as a complementary method for six resolution techniques resolving overlapping spectra; application to multicomponent veterinary …

MG Hagag, AM Hemdan, AH Nadim, SS Abbas… - BMC chemistry, 2023 - Springer
Mathematical filtration is an efficient tool to resolve the overlapping spectra of binary
mixtures in zero or first order form. Herein, a comparative study was conducted between six …

Novel absorptivity centering method utilizing normalized and factorized spectra for analysis of mixtures with overlapping spectra in different matrices using built-in …

HM Lotfy, YR Omran - Spectrochimica Acta Part A: Molecular and …, 2018 - Elsevier
A novel, simple, rapid, accurate, and economical spectrophotometric method, namely
absorptivity centering (a-Centering) has been developed and validated for the simultaneous …

Two green UV-spectrophotometric techniques applying successive and progressive resolution with new concepts for simultaneous determination of completely …

M Hesham Ahmed, EF Elkady… - Analytical Chemistry …, 2024 - Taylor & Francis
A spectrophotometric platform based on two smart techniques namely Double Divisor ratio
difference spectra spectrophotometry (DDRD) and Derivative ratio amplitude difference …

Novel feature extraction approach for achieving potential spectral resolution: Green analytical application on zofenopril calcium and hydrochlorothiazide in their …

HM Lotfy, HH Monir, N Erk, Y Rostom - Spectrochimica Acta Part A …, 2020 - Elsevier
A novel and green spectrophotometric method, namely constant extraction, based on
extracting a spectral feature value (constant ratio) has been developed and validated for …

Different signal processing techniques of ratio spectra for spectrophotometric resolution of binary mixture of bisoprolol and hydrochlorothiazide; a comparative study

ES Elzanfaly, SA Hassan, MY Salem… - Spectrochimica Acta Part …, 2015 - Elsevier
Five signal processing techniques were applied to ratio spectra for quantitative
determination of bisoprolol (BIS) and hydrochlorothiazide (HCT) in their binary mixture. The …

A smart green spectrophotometric method for simultaneous determination of severely overlapped binary mixtures using normalized spectrum and isosbestic point as …

EH Mohamed, A Hamza, A Reda… - Current …, 2020 - ingentaconnect.com
Background: The ability of the normalized spectra when used as a divisor and in
combination with isosbestic point to resolve complex binary or ternary mixtures …

A comparative study of two novel validated spectrophotometric techniques for resolution of four-component mixtures with severely overlapping spectra

NS Abdelhamid - Spectrochimica Acta Part A: Molecular and …, 2020 - Elsevier
Two new smart spectrophotometric methods are developed and validated for the
determination of the quatertnary mixture of paracetamol (acetaminophen) …

Eco-friendly and smart spectrophotometric approaches for quality control analysis of one of β-blockers in their dosage

AA Sakur, M Karman - Spectrochimica Acta Part A: Molecular and …, 2024 - Elsevier
The pharmaceutical industry's rapid progress has spurred the demand for diverse analysis
approaches within quality control laboratories to investigate approved drug combinations …