chromatography: Methods of detection
Comparison of Signal-to-noise, Blank Determination, and Linear Regression Methods for the Estimation of Detection and Quantification Limits for Volatile Organic Compounds by Gas Chromatography
... of detection (LOD) and limit of quantification (LOQ) are two important performance characteristics in method ...three methods based on the International Conference of Harmonization (ICH) and EURACHEM ...
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Chemometric assisted RP-HPLC quantitative estimation and validation of hydrochlorothiazide and triamterene in tablet dosage form
... liquid chromatography (HPLC) with photodiode array (PDA) detection was implemented for the simultaneous determination of Hydrochlorothiazide and Triamterene in tablet dosage ...The detection was ...
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Detection Aristolochic Acids 1 and 2 in Costustoot via Electrochemical Method and Liquid Chromatography
... available methods, and the results were shown in Table ...that detection limit of presented system ...of chromatography based ...fluorescence detection [30] and high-performance liquid ...
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Simultaneous Determination of the Residues of Fourteen Quinolones and Fluoroquinolones in Fish Samples using Liquid Chromatography with Photometric and Fluorescence Detection
... tiresidue methods have been described for the analysis of these compounds in animal tissues or animal ...UV detection at 275 nm. Regarding the chromatographic methods for determination of these ...
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From functional food to medicinal product: Systematic approach in analysis of polyphenolics from propolis and wine
... the methods for identification and quantifica- tion of propolis samples using HPLC combined with mass spectrometry (MS) and nuclear magnetic resonance (NMR) have been developed and alternative was provided in ...
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Applications of coupled gas chromatography atomic emission detection
... The use of spectroscopy as an analytical tool rapidly declined after the initial interest generated by Kirchhoff and Bunsen's findings. The technique regained its popularity around the turn of the century, but progressed ...
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Analytical Methods of Six FDA Approved Molecular Entities Used for the Treatment of Non-Small Cell Lung Cancer: A Concise Review
... liquid chromatography, spectrophotometric with enzymatic inhibition, and electrochemical ...analytical methods described in the literature for the determination of methotrexate are shown in Table ...
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Optimized Method to Analyze Rose Plant Volatile Organic Compounds by HS SPME GC FID/MSD
... tical methods for the extraction of VOCs from rose plants has important com- mercial implications for the aroma ...HP-SPME methods, and analysis of VOCs from different rose tissues, and intact plants by gas ...
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Simultaneous determination of chloride, bromide and iodide in foodstuffs by low pressure ion exchange chromatography with visible light detection
... high accuracy of the results, and it is also easily operated in comparison to other methods; it pro- vides a simple and efficient procedure for analysing the above ions in foodstuffs. The Low Pressure Ion ...
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Employment of Electrochemical Methods for Assessment of the Maize (Zea mays L.) and Pea (Pisum sativum L.) Response to Treatment with Platinum(IV)
... electrochemical methods as such differential pulse voltammetry and high performance liquid chromatography with electrochemical detection for determination of Pt(IV) content, amino acids, reduced ...
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Separation of organophosphorus pesticides using micellar electrokinetic chromatography
... electrokinetic chromatography (MEKC) with on-column UV detection and the challenge of decreasing the limit of detections (LODs) was tried to meet by online concentration ...
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Determination of Glimepiride in Rat Serum by Rp Hplc Method
... different methods have been re- ported for qualitative and quantitative analysis of glime- piride in human plasma and biological samples; these include micellar electrokinetic capillary chromatography ...
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Overview of the Analytical Lifecycle of Supercritical Fluid Chromatography Methods
... Following the above discussion about SFC instrument qualification for GMP purposes, Sun reported another way to evaluate the SFC flow rate [81]. Indeed, due to its nature (compressible, dense, not viscous), SFC mobile ...
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Design and application of liquid chromatography dual electrode detection
... concentrations down to 20 pgml -1 have been measured in plasma by LC-DED in the redox mode [41]. The sensitivity of the DED system was found to be at least an order of magnitude greater than that gained by LC-EC, ...
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Multi-platform characterization of the human cerebrospinal fluid metabolome: a comprehensive and quantitative update
... 5975 GC/MS equipped with a DB-5 column. N-methyl-N- (trimethylsilyl) trifluoroacetamide (MSTFA) derivatized extracts were prepared from 200 μl of CSF using standard methods [2]. Samples were run using full scan at ...
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Performance of charged aerosol detection with hydrophilic interaction chromatography
... of detection (LOD) 4 times lower than ELSD for analysis of membrane phospholipids by normal phase HPLC ...[19]. Detection limits for an acid, neutral and basic solute in our experiments are shown in Table 2 ...
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Suppressed ion chromatography of organic acids with universal detection
... The first attempt at conductivity enhancement in this series of experiments was the conversion of suppressed analytes to base (as NaOH) through a sequential ion- exchange process [72], using the same sequential ...
104
Use of a Combination of Brushing Technique and the Loop Mediated Isothermal Amplification Method as a Novel, Rapid, and Safe System for Detection of Helicobacter pylori
... reaction mixture samples contained 1.6 M of the FIP and BIP primers, 0.8 M of each outer primer (F3 primer and B3 primer), 2 ⫻ reaction mix (12.5 l), Bst DNA polymerase (1 l), and a 5-l sample of bacterial DNA. The ...
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Rapid and sensitive methods for detection of Allorhizobium vitis, causal agent of grapevine crown gall
... For the determination of detection threshold, theprotocol 4 and 5 used for the extraction of DNA of A. vitis from plant material and based on the use of Triton X-100 and Tween 20 were selected due to the ...
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Food Additives in mozzarella Cheese: A Contribution for a Correct Analytical Determination
... This work is collocated in this contest. It may be considered as a contribution for a correct food additives determination in mozzarella cheese. 14 samples (7 with citric acid declared on the label and 7 without declared ...
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