Results 21 to 30 of about 36,479 (161)

A Droplet Digital PCR Based Approach for Identification and Quantification of Porcine and Chicken Derivatives in Beef

Foods, 2022
Adulteration of high-value beef with lower-priced alternatives is a world-wide problem resulting in consumers’ distrust and market chaos. Therefore, effective methods for the identification and quantification of adulterated beef products are urgently ...
Huili Xu, Xiaoyu Ma, Zihong Ye, Xiaoping Yu, Guangfu Liu, Zhengliang Wang   +5 more
doaj   +1 more source

Control of levamisole residues in milk using a validated liquid chromatography-tandem mass spectrometry method

Mljekarstvo, 2016
Concentrations of the anthelmintic agent levamisole were measured in a total of 85 raw cow milk samples collected during 2014 from dairy farms across Croatia.
Nina Bilandžić, Đurđica Božić Luburić, Božica Solomun Kolanović, Ivana Varenina, Ines Varga   +4 more
doaj   +1 more source

Spectrofluorimetric Determination of Atenolol and Carvedilol in Pharmaceutical Preparations after Optimization of Parameters using Response Surface Methodology [PDF]

Pharmaceutical Sciences, 2019
Background: The present work is aimed to study the effect of different parameters on the fluorescence intensity of atenolol (ATE) and carvedilol (CAR) and optimization by response surface methodology (RSM) to provide a simple analytical method for ...
Ahad Bavili-Tabrizi, Faezeh Yousefzadeh
doaj   +1 more source

SIMULTANEOUS DETERMINATION OF CODEINE PHOSPHATE, EPHEDRINE HCL, CHLORPHENAMINE MALEATE, AND PHENYLEPHRINE HCL BY RP-HPLC METHOD [PDF]

Bulletin of Pharmaceutical Sciences. Assiut University
. A simple and sensitive HPLC method has been developed for the simultaneous determination of Codeine phosphate(CDPH), Ephedrine HCl(EPHD),Chlorphenamine Maleate(CPM) and Phenylphrine HCl(PHPH) by using of Phenyl groups column ( 250mm×4.6mm,5µm) (L11 ...
Ahmed Kareem Abbas, Imad Tarek Hanoon
doaj   +1 more source

Comparison of efficiency and limit of quantification in different PCR assays for all primer pairs.

, 2022
For each primer pair (Table 1) the efficiency, limit of quantification (LOQ) and limit of detection (LOD) were assessed using a 10-fold dilution series of a standard fragment (108−100 copies/μl).
Dieter Vancraeynest (14279328), Richard Ducatelle (149697), Evy Goossens (5572088), Jacques G. Mainil (11856041), Henrik Christensen (33868), Kirsten Leurs (14279325), Filip Van Immerseel (10719309)   +6 more
core   +1 more source

Development and validation of a GC-ECD method for pesticide residue detection in flour [PDF]

Makedonsko Farmacevtski Bilten
This study aimed to optimize and validate a rapid, reliable and accurate method for quantitative determination of pesticide residues in flour matrix.
Margarita Timofejeva, Anita Najdenkoska, Biljana Bauer   +2 more
doaj   +1 more source

Electroanalytical determination of metronidazole in tablet dosage form [PDF]

Journal of the Serbian Chemical Society, 2013
In this study, the electrochemical reduction and determination of metronidazole were easily realized in Britton-Robinson buffer (pH = 4.01) using UTGE by cyclic voltammetric (CV) and differential pulse voltammetric (DPV) techniques.
Yilmaz Selehattin, Baltaoglu Esra, Saglikoglu Gulsen, Yagmur Sultan, Polat Kamran, Sadikoglu Murat   +5 more
doaj   +1 more source

LC-MS analysis of phenolic compounds and oleraceins in aerial parts of Portulaca oleracea L.

Journal of Applied Botany and Food Quality, 2019
Portulaca oleracea L. (purslane) is a well-known edible and ethnomedicinal plant and it has been called “vegetable for long life” in the Chinese herbal medicine.
Yulian T Voynikov, Reneta Gevrenova, Vessela Balabanova, Irini Doytchinova, Paraskev Nedialkov, Dimitrina Zheleva-Dimitrova   +5 more
doaj   +1 more source

Detection and Quantification Limits for Polyethylene Particles Combining the Thermal Rock-Eval^® Method with a Mathematical Extrapolation Procedure

Microplastics
The main aim of this work is to define the limits of detection (LOD) and quantification (LOQ) for polyethylene (PE) particles using a pyrolysis and oxidation-based method, the thermal Rock-Eval® device, combined with a mathematical extrapolation ...
Maria-Fernanda Romero-Sarmiento, Daniela Bauer, Sébastien Rohais   +2 more
doaj   +1 more source

The limit of quantification (LOQ) by Eprobe RT-qPCR; CV%.

, 2018
The limit of quantification (LOQ) by Eprobe RT-qPCR; CV%.
Atsushi Kakimoto (5814560), Takashi Horii (4843131), Hiromichi Matsushita (405560), Yoshihide Hayashizaki (3101), Takahiro Ohkawa (3714004), Akimichi Ohsaka (382803), Haeun Yang (4843122), Kengo Usui (15723), Maiko Yuri (5814554), Yasunari Yamanaka (3577205), Takeshi Hanami (186392), Atsushi Okuzawa (5814563), Koji Tsuchiya (1604929), Yoko Tabe (427415), Shigeki Misawa (5814557), Tomoiku Takaku (3168282), Soji Morishita (382795), Tomohiko Ai (438896)   +17 more
core   +1 more source