Výsledky vyhledávání - "Spectrum subtraction"

Akademický článek

Analysis of binary mixture of oxytetracycline and bromohexine in their combined veterinary formulation by four simple spectrophotometric methods with greenness assessment

Autor: Marco M.Z. Sharkawi, Mark T. Safwat, Nada S. Abdelwahab

Publikováno v: BMC Chemistry, Vol 18, Iss 1, Pp 1-14 (2024)

Abstract Tetracyclines family is considered as the first-line antibiotic drugs for food animals. Formulating bromhexine (BR) with oxytetracycline (OTC) improved the antibacterial activity of OTC, besides it is considered as a mucolytic agent. Four pr

Externí odkaz: https://doaj.org/article/71398f9465f241d9b3494b105eae3f15

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Akademický článek

Risk assessment based on spectrophotometric signals used in eco-friendly analytical scenarios for estimation of carvedilol and hydrochlorothiazide in pharmaceutical formulation

Autor: Mona Nabil, Hoda M. Marzouk, Dina A. Ahmed, Samah S. Abbas, Hayam M. Lotfy

Publikováno v: Scientific Reports, Vol 14, Iss 1, Pp 1-18 (2024)

Abstract Special attention is given to the pharmacological treatment of combined medication of Carvedilol and hydrochlorothiazide which is the most effective and the most beneficial therapy for hypertensive patients with diabetes and various metaboli

Externí odkaz: https://doaj.org/article/4fcf0f839dd44811ab8b752b27bea13d

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Akademický článek

Various techniques for resolving overlapping ultraviolet spectra of combination pharmaceutical dosage forms containing hydroxychloroquine and paracetamol

Autor: Samar S. Elbaramawi, Sobhy M. El-Adl, Alaa Nafea, Amr A. Mattar, Mahmoud M. Sebaiy

Publikováno v: BMC Chemistry, Vol 18, Iss 1, Pp 1-17 (2024)

Abstract Ten novel spectrophotometric approaches were developed for the initial examination of the Hydroxychloroquine and Paracetamol medications. These procedures are straightforward, specific, easy to use, and provide exact and accurate results. Th

Externí odkaz: https://doaj.org/article/cf5da1f805fa49b2a6cc7d03cda24520

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Akademický článek

A unique revolutionary eco-friendly spectrophotometric technique for solving the spectral overlap in the determination of carvedilol and ivabradine in their binary combination: stability study

Autor: Haitham A. El Fiky, Maha F. Abd El Ghany, Amr M. Badawey, N. V. Fares, Dina A. Ahmed

Publikováno v: Future Journal of Pharmaceutical Sciences, Vol 10, Iss 1, Pp 1-14 (2024)

Abstract Background Carivalan® dosage form containing carvedilol and ivabradine is widely indicated for patients with stable angina. Three precise, eco-friendly and reproducible spectrophotometric techniques were created for resolving the researched

Externí odkaz: https://doaj.org/article/e65ba8f4bba7432084f795eeb2a288df

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Akademický článek

Different methods for resolving overlapping UV spectra of combination medicinal dose forms of ciprofloxacin and metronidazole

Autor: Mahmoud M. Sebaiy, Sobhy M. El-Adl, Alaa Nafea, Samar O. Aljazzar, Eslam B. Elkaeed, Amr A. Mattar, Samar S. Elbaramawi

Publikováno v: BMC Chemistry, Vol 17, Iss 1, Pp 1-13 (2023)

Abstract Four simple, specific, easy, precise and accurate spectrophotometric methods were developed for the first time to examine ciprofloxacin and metronidazole in combination, without having been separated beforehand by the developed methods. Cipr

Externí odkaz: https://doaj.org/article/3c31b759bc92467183a313aadaedf680

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Akademický článek

Spectrum subtraction as a complementary method for six resolution techniques resolving overlapping spectra; application to multicomponent veterinary formulation with greenness and whiteness assessment

Autor: Mahmoud G. Hagag, Ahmed M. Hemdan, Ahmed H. Nadim, Samah S. Abbas, Nesma M. Fahmy

Publikováno v: BMC Chemistry, Vol 17, Iss 1, Pp 1-19 (2023)

Abstract 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 economic, accurate and precise spectrophotometric methods f

Externí odkaz: https://doaj.org/article/637493cfcb2846baa0f2b1043ee2db76

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Akademický článek

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Akademický článek

Investigation of modified bitumen binders via Fourier-transform infrared spectroscopy

Autor: I. V. Gordeeva, D. A. Melnikov, V. N. Gorbatovа, D. S. Reznichenko, Yu. A. Naumova

Publikováno v: Тонкие химические технологии, Vol 15, Iss 2, Pp 56-66 (2020)

Objectives. This study evaluates the effect of the modification process on the group composition of bitumen and bitumen binders containing rubber powder and hybrid modifier that is based on styrene–butadiene thermoplastic elastomer and rubber crumb

Externí odkaz: https://doaj.org/article/c33424fd050840de9119a3f0cfb0c6f1

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