Results 11 to 20 of about 1,446 (139)

THERE ARE NO PERFECT ANALYTICAL METHODS - OPTIMIZATION STUDY OF A PHARMACOPOEIA METHOD FOR CLOPIDOGREL ANALYSIS [PDF]

open access: yes, 2022
Clopidogrel is a chiral compound, (+)-(S)-enantiomer has antiplatelet activity, while (-)-(R)-clopidogrel is considered an impurity of the active substance.
IMRE, Silvia   +3 more
core   +2 more sources

Xylose Acetals ‐ a New Class of Sustainable Solvents and Their Application in Enzymatic Polycondensation

open access: yesChemSusChem, Volume 18, Issue 6, March 15, 2025.
Novel organic solvents with an unmodified carbohydrate core were synthesised both from D‐xylose and directly from biomass and were successfully used as reaction media for lipase biocatalysts to synthesise aliphatic and aromatic polyesters. Abstract The use of organic solvents in academic research and industry applications is facing increasing ...
Anastasia O. Komarova   +8 more
wiley   +1 more source

Pharmacy, quina and quinine in Portugal (18th-20th centuries) [PDF]

open access: yes, 2015
We begin by a study case on the use of quina at Teaching Hospital of University the Coimbra at the turn of the 19th century. Next we discuss the isolation of cinchonine in Portugal and the polemics to which it gave rise among scientists from Coimbra and ...
Cabral, Célia   +2 more
core  

QUALITY EVALUATION OF BIOSIMILAR MEDICINES: AN OVERVIEW [PDF]

open access: yes, 2020
Biosimilar medicines are biotherapeutics that are similar in quality, safety and efficacy to previously licensed reference biotherapeutics. The slightest change in any stage of production can cause differences in the product. Among the factors, affecting
KORKMAZ, Emrah   +2 more
core   +2 more sources

Validated RP‐HPLC–UV Method for the Quantitative Analysis and Stability Evaluation of Amoxicillin in Paediatric Gummy Tablets

open access: yesELECTROPHORESIS, EarlyView.
A validated RP‐HPLC–UV method was successfully applied for amoxicillin determination in gummy tablets. The method is useful for an accurate amoxicillin content determination in paediatric gummies and was applied to study the stability profile of the drug, evaluated over 6 months under storage conditions.
Samuele Bonafè   +7 more
wiley   +1 more source

On the Decline of Pleonastic that in Late Middle English and Early Modern English [PDF]

open access: yes, 2016
The origin of pleonastic that can be traced back to Old English where it could appear in syntactic constructions consisting of a preposition + demonstrative pronoun (i.e. for þy þat, for þæm þe) or a subordinator (i.e. oþ þat).
Calle-Martin, Javier
core  

Conceptual graph-based knowledge representation for supporting reasoning in African traditional medicine [PDF]

open access: yes, 2013
Although African patients use both conventional or modern and traditional healthcare simultaneously, it has been proven that 80% of people rely on African traditional medicine (ATM).
Diallo, Gayo   +2 more
core   +3 more sources

Beyond Tradition: An Integrated Toxicological, Ecological, and Public Health Perspective on Aristolochic Acids

open access: yesJournal of Applied Toxicology, EarlyView.
ABSTRACT Aristolochia species have long been used in traditional medicine for their presumed anti‐inflammatory, analgesic and antimicrobial properties. However, extensive toxicological and epidemiological evidence now demonstrates that these plants contain aristolochic acids (AAs) I and II, highly potent nephrotoxic, genotoxic, and carcinogenic ...
Victor Ventura de Souza   +2 more
wiley   +1 more source

Adverbials and inversion in early english scientific writing [PDF]

open access: yes, 2015
From a historical perspective, the English language shifted from being basically verb final in the Old English period (Traugott 1992: 274) to verb non-final from the Middle English period onwards (Fischer 1992: 371), that is, from SOV to SVO.
Romero-Barranco, Jesús
core  

Therapeutic and prophylactic uses of invertebrates in contemporary Spanish ethnoveterinary medicine [PDF]

open access: yes, 2016
Zootherapeutic practices in ethnoveterinary medicine are important in many socio-cultural environments around the world, particularly in developing countries, and they have recently started to be inventoried and studied in Europe.
Francisco Amich   +3 more
core   +3 more sources

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