Results 21 to 30 of about 8,440 (203)

Preferential renal tubular injury and increased renal sympathetic activity occur during the early stages of DOCA-salt hypertension in male rats. [PDF]

open access: yesPhysiol Rep
Evaluation of cardiovascular parameters and renal mediators during the development of arterial hypertension in male DOCA‐Salt rats. Abstract Although renal dysfunction is present in arterial hypertension, the mechanisms underlying renal glomerular and tubular alterations remain incompletely understood.
Da Luz Abreu E   +9 more
europepmc   +2 more sources

Spectrophotometric Assay of Phenylephrine Hydrochloride Using 4-Aminoantipyrine and Copper (II) [PDF]

open access: yesPakistan Journal of Analytical & Environmental Chemistry, 2010
A new spectrophotometric method is proposed for determination of phenylephrine hydrochloride. The method is based on the coupling of 4-aminoantipyrine (4-AAP) with phenylephrine hydrochloride (PEH) to give a new ligand that reacts with copper (II) in the
Theia'a N. Al-Sabha
doaj   +1 more source

Simultaneous Determination of Paracetamol, Phenylephrine Hydrochloride, Oxolamine Citrate and Chlorpheniramine Maleate by HPLC in Pharmaceutical Dosage Forms

open access: yesE-Journal of Chemistry, 2011
A new high performance liquid chromatographic (HPLC) method was developed for the determination of paracetamol, phenylephrine hydrochloride, oxolamine citrate and chlorpheniramine maleate in combined pharmaceutical formulations and dosage forms.
Ozan Pirol   +2 more
doaj   +2 more sources

Anaphylaxis to dextromethorphan with positive skin testing: a case report [PDF]

open access: yesAllergy, Asthma & Clinical Immunology
Background Dextromethorphan (DM) is a cough suppressant that is widely available in many prescribed and over-the-counter medications. Both immediate and delayed hypersensitivity reactions have been reported following the ingestion of DM.
Eman Badawod, Jackie Campbell, Erika Lee
doaj   +2 more sources

Separation and simultaneous determination of paracetamol, phenylephrine hydrochloride and chlorpheniramine maleate in a commercial tablet by a rapid isocratic HPLC method [PDF]

open access: yesHuman, Health and Halal Metrics, 2020
Background and objective: Pharmaceutical formulations for relief of cold signs usually contain high concentration of acetaminophen and small concentration of phenylephrine hydrochloride and chlorpheniramine maleate.
Afsaneh Nabi   +3 more
doaj   +1 more source

AVAILABILITY OF PHENYLEPHRINE HYDROCHLORIDE FROM OPHTHALMIC MULTIPLE EMULSIONS [PDF]

open access: yesBulletin of Pharmaceutical Sciences. Assiut University, 1988
Phenylephrine hydrochloride was formulated in different emulsion systems with and without viscolizers (methylcellulose and tylose). The diffusion coefficient of phenylephrine hydrochloride in different formulation has been determined.
M. Attia   +3 more
doaj   +1 more source

Spectrophotometric Assay of Phenylephrine hydrochloride in Pharmaceutical Formulation with Alizarin Red sulphonate in Aqueous Solution [PDF]

open access: yesمجلة التربية والعلم, 2013
A simple, rapid and sensitive spectrophotometric method for the determination of phenylephrine hydrochloride was developed. The method is based on the proton transfer reaction with alizarin red sulphonate in aqueous neutral solution to form a violet ...
Thabit Al-Ghabsha, A. Al-Delymi
doaj   +1 more source

A quality-by-design eco-friendly UV-HPLC method for the determination of four drugs used to treat symptoms of common cold and COVID-19

open access: yesScientific Reports, 2023
An optimization approach based on full factorial design was employed for developing an HPLC–UV method for simultaneous determination of a quaternary mixture used for the treatment of symptoms related to common cold and COVID-19. The quaternary mixture is
Nora A. Abdallah   +4 more
doaj   +1 more source

Development and validation of spectrophotometric method for phenylephrine hydrochloride estimation in nasal drops formulations

open access: yesMacedonian Journal of Chemistry and Chemical Engineering, 2008
Simple, accurate and reproducible UV-spectrophotometric method was developed and validated for the estimation of phenylephrine hydrochloride in pharmaceutical nasal drops formulations.
Ivana Savić   +2 more
doaj   +1 more source

Combined drugs in the treatment of acute respiratory viral infections: a review of research results

open access: yesМедицинский совет, 2021
Acute respiratory infections are of the greatest economic significance among all infectious diseases in the Russian Federation. There are no drugs with a direct antiviral effect for most acute respiratory viral infections, which efficacy would have been ...
V. V. Tsvetkov
doaj   +1 more source

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