Results 11 to 20 of about 3,918,910 (289)

Simultaneous determination of Guaifenesin, codeine phosphate, phenylephrine hydrochloride, and sodium benzoate in syrup pharmaceutical form by RP-HPLC

Al-Kitab Journal for Pure Sciences, 2023
This work describes the development of the RP-HPLC method for the simultaneous estimation of Guaifenesin, codeine phosphate, phenylephrine, and sodium benzoate.
Muthana S. Ali, Ali E. Karim, Maiser Z. Mohye, Azza M. Al-metwali, Salah N. Ibrahim   +4 more
doaj   +1 more source

Pitfalls and Remedies for Cross Validation with Multi-trait Genomic Prediction Methods. [PDF]

, 2019
Incorporating measurements on correlated traits into genomic prediction models can increase prediction accuracy and selection gain. However, multi-trait genomic prediction models are complex and prone to overfitting which may result in a loss of ...
Cheng, Hao, Runcie, Daniel
core   +1 more source

Approximate inference of the bandwidth in multivariate kernel density estimation [PDF]

, 2011
Kernel density estimation is a popular and widely used non-parametric method for data-driven density estimation. Its appeal lies in its simplicity and ease of implementation, as well as its strong asymptotic results regarding its convergence to the true ...
Bishop, Bowman, Brewer, Calderhead, Cao, Chiu, de Lima, Duong, Duong, Ferguson, Filippone, Friel, Gangopadhyay, Gelman, Guido Sanguinetti, Hall, Hastings, Hazelton, Jones, Jones, Jones, Jones, Kass, Kass, Kulasekera, Loader, Marron, Maurizio Filippone, Metropolis, Minka, Opper, Rinaldo, Sheather, Silverman, Skilling, Terrell, Tran, van der Laan, Wand, Zhang, Zhang, Żychaluk   +41 more
core   +1 more source

Circulating choline and phosphocholine measurement by a hydrophilic interaction liquid chromatography–tandem mass spectrometry

Heliyon, 2023
Background: Given the growing interest in studying the role of choline and phosphocholine in the development and progression of tumor pathology, in this study we describe the development and validation of a fast and robust method for the simultaneous ...
Giulia Guerra, Francesco Segrado, Patrizia Pasanisi, Eleonora Bruno, Salvatore Lopez, Francesco Raspagliesi, Michela Bianchi, Elisabetta Venturelli   +7 more
doaj   +1 more source

Two Ways to Achieve the Same Goal—Two Validated Quantitative NMR Strategies for a Low-Abundance Natural Product in Standardized Extracts: The Case of Hepatodamianol in Turnera diffusa

Molecules, 2022
The quantification of low-abundance secondary metabolites in plant extracts is an analytical problem that can be addressed by different analytical platforms, the most common being those based on chromatographic methods coupled to a high-sensitivity ...
Aída Parra-Naranjo, Cecilia Delgado-Montemayor, Ricardo Salazar-Aranda, Rocío Castro-Ríos, Alma L. Saucedo, Noemí Waksman-Minsky   +5 more
doaj   +1 more source

Optimisation of pressurized liquid extraction using a multivariate chemometric approach for the determination of anticancer drugs in sludge by ultra high performance liquid chromatography–tandem mass spectrometry [PDF]

, 2013
The present paper describes an analytical method for the determination of 2 widely administered anticancer drugs, ifosfamide and cyclophosphamide, contained in sewage sludge. The method relies on the extraction from the solid matrix by pressurized liquid
Albasi, Claire, Claparols, Catherine, Joannis-Cassan, Claire, Sablayrolles, Caroline, Seira, Jordan, Vignoles-Montrejaud, Mireille   +5 more
core   +4 more sources

Application of Contemporary Extraction Techniques for Elements and Minerals Recovery from Stinging Nettle Leaves

Applied Sciences, 2020
Stinging nettle (Urtica dioica L.) is a perennial plant belonging to the Urticaceae family. Several studies have reported the presence of the different classes of chemical compounds, which expressed a beneficial effect on human health.
Saša Popov, Suzana Skeledžija, Saša Šorgić, Zoran Zeković, Darko Micić, Aleksandra Radulović, Saša Đurović   +6 more
doaj   +1 more source

A Validated RP-HPLC Method for the Simultaneous Detection and Quantification of Pyridoxine and Terizidone in Pharmaceutical Formulations

Analytica, 2021
Tuberculosis (TB) remains a life-threatening infection, and it is well-known that effective TB treatment is associated with multiple drugs administered to infected patients on a daily basis.
Ngabo Yves Musafili, Halima Samsodien, Marique Elizabeth Aucamp   +2 more
doaj   +1 more source

Imprinted Polymeric Beads-Based Screen-Printed Potentiometric Platforms Modified with Multi-Walled Carbon Nanotubes (MWCNTs) for Selective Recognition of Fluoxetine

Nanomaterials, 2020
Herein, we present a new validated potentiometric method for fluoxetine (FLX) drug monitoring. The method is based on the integration of molecular imprinting polymer (MIP) beads as sensory elements with modified screen-printed solid contact ion-selective
Saad S.M. Hassan, Ayman H. Kamel, Abd El-Galil E. Amr, Heba M. Hashem, E.M. Abdel Bary   +4 more
doaj   +1 more source

Intra-Laboratory Validation of Alpha-Galactosidase Activity Measurement in Dietary Supplements

Molecules, 2021
Introduction: Alpha-galactosidase (α-Gal) is an enzyme responsible for the hydrolyzation of glycolipids and glycoprotein commonly found in dietary sources.
Elena Fabris, Michela Bulfoni, Alessandro Nencioni, Emanuele Nencioni   +3 more
doaj   +1 more source